// AddEtcdFlags adds flags related to etcd storage for a specific APIServer to the specified FlagSet
func (s *EtcdOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, ""+
"Per-resource etcd servers overrides, comma separated. The individual override "+
"format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type,
"The storage backend for persistence. Options: 'etcd3' (default), 'etcd2'.")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize,
"Number of deserialized json objects to cache in memory.")
fs.StringSliceVar(&s.StorageConfig.ServerList, "etcd-servers", s.StorageConfig.ServerList,
"List of etcd servers to connect with (scheme://ip:port), comma separated.")
fs.StringVar(&s.StorageConfig.Prefix, "etcd-prefix", s.StorageConfig.Prefix,
"The prefix to prepend to all resource paths in etcd.")
fs.StringVar(&s.StorageConfig.KeyFile, "etcd-keyfile", s.StorageConfig.KeyFile,
"SSL key file used to secure etcd communication.")
fs.StringVar(&s.StorageConfig.CertFile, "etcd-certfile", s.StorageConfig.CertFile,
"SSL certification file used to secure etcd communication.")
fs.StringVar(&s.StorageConfig.CAFile, "etcd-cafile", s.StorageConfig.CAFile,
"SSL Certificate Authority file used to secure etcd communication.")
fs.BoolVar(&s.StorageConfig.Quorum, "etcd-quorum-read", s.StorageConfig.Quorum,
"If true, enable quorum read.")
}
func (s *SchedulerServer) addCoreFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
fs.IPVar(&s.Address, "address", s.Address, "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringSliceVar(&s.APIServerList, "api-servers", s.APIServerList, "List of Kubernetes API servers for publishing events, and reading pods and services. (ip:port), comma separated.")
fs.StringVar(&s.AuthPath, "auth-path", s.AuthPath, "Path to .kubernetes_auth file, specifying how to authenticate to API server.")
fs.StringSliceVar(&s.EtcdServerList, "etcd-servers", s.EtcdServerList, "List of etcd servers to watch (http://ip:port), comma separated. Mutually exclusive with --etcd-config")
fs.StringVar(&s.EtcdConfigFile, "etcd-config", s.EtcdConfigFile, "The config file for the etcd client. Mutually exclusive with --etcd-servers.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.StringVar(&s.ClusterDomain, "cluster-domain", s.ClusterDomain, "Domain for this cluster. If set, kubelet will configure all containers to search this domain in addition to the host's search domains")
fs.IPVar(&s.ClusterDNS, "cluster-dns", s.ClusterDNS, "IP address for a cluster DNS server. If set, kubelet will configure all containers to use this for DNS resolution in addition to the host's DNS servers")
fs.StringVar(&s.StaticPodsConfigPath, "static-pods-config", s.StaticPodsConfigPath, "Path for specification of static pods. Path should point to dir containing the staticPods configuration files. Defaults to none.")
fs.StringVar(&s.MesosMaster, "mesos-master", s.MesosMaster, "Location of the Mesos master. The format is a comma-delimited list of of hosts like zk://host1:port,host2:port/mesos. If using ZooKeeper, pay particular attention to the leading zk:// and trailing /mesos! If not using ZooKeeper, standard URLs like http://localhost are also acceptable.")
fs.StringVar(&s.MesosUser, "mesos-user", s.MesosUser, "Mesos user for this framework, defaults to root.")
fs.StringVar(&s.MesosRole, "mesos-role", s.MesosRole, "Mesos role for this framework, defaults to none.")
fs.StringVar(&s.MesosAuthPrincipal, "mesos-authentication-principal", s.MesosAuthPrincipal, "Mesos authentication principal.")
fs.StringVar(&s.MesosAuthSecretFile, "mesos-authentication-secret-file", s.MesosAuthSecretFile, "Mesos authentication secret file.")
fs.StringVar(&s.MesosAuthProvider, "mesos-authentication-provider", s.MesosAuthProvider, fmt.Sprintf("Authentication provider to use, default is SASL that supports mechanisms: %+v", mech.ListSupported()))
fs.BoolVar(&s.Checkpoint, "checkpoint", s.Checkpoint, "Enable/disable checkpointing for the kubernetes-mesos framework.")
fs.Float64Var(&s.FailoverTimeout, "failover-timeout", s.FailoverTimeout, fmt.Sprintf("Framework failover timeout, in sec."))
fs.UintVar(&s.DriverPort, "driver-port", s.DriverPort, "Port that the Mesos scheduler driver process should listen on.")
fs.StringVar(&s.HostnameOverride, "hostname-override", s.HostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.Int64Var(&s.ReconcileInterval, "reconcile-interval", s.ReconcileInterval, "Interval at which to execute task reconciliation, in sec. Zero disables.")
fs.DurationVar(&s.ReconcileCooldown, "reconcile-cooldown", s.ReconcileCooldown, "Minimum rest period between task reconciliation operations.")
fs.StringVar(&s.SchedulerConfigFileName, "scheduler-config", s.SchedulerConfigFileName, "An ini-style configuration file with low-level scheduler settings.")
fs.BoolVar(&s.Graceful, "graceful", s.Graceful, "Indicator of a graceful failover, intended for internal use only.")
fs.BoolVar(&s.HA, "ha", s.HA, "Run the scheduler in high availability mode with leader election. All peers should be configured exactly the same.")
fs.StringVar(&s.FrameworkName, "framework-name", s.FrameworkName, "The framework name to register with Mesos.")
fs.StringVar(&s.FrameworkWebURI, "framework-weburi", s.FrameworkWebURI, "A URI that points to a web-based interface for interacting with the framework.")
fs.StringVar(&s.AdvertisedAddress, "advertised-address", s.AdvertisedAddress, "host:port address that is advertised to clients. May be used to construct artifact download URIs.")
fs.IPVar(&s.ServiceAddress, "service-address", s.ServiceAddress, "The service portal IP address that the scheduler should register with (if unset, chooses randomly)")
fs.Var(&s.DefaultContainerCPULimit, "default-container-cpu-limit", "Containers without a CPU resource limit are admitted this much CPU shares")
fs.Var(&s.DefaultContainerMemLimit, "default-container-mem-limit", "Containers without a memory resource limit are admitted this much amount of memory in MB")
fs.IntVar(&s.ExecutorLogV, "executor-logv", s.ExecutorLogV, "Logging verbosity of spawned minion and executor processes.")
fs.BoolVar(&s.ExecutorBindall, "executor-bindall", s.ExecutorBindall, "When true will set -address of the executor to 0.0.0.0.")
fs.DurationVar(&s.ExecutorSuicideTimeout, "executor-suicide-timeout", s.ExecutorSuicideTimeout, "Executor self-terminates after this period of inactivity. Zero disables suicide watch.")
fs.StringVar(&s.ExecutorCgroupPrefix, "executor-cgroup-prefix", s.ExecutorCgroupPrefix, "The cgroup prefix concatenated with MESOS_DIRECTORY must give the executor cgroup set by Mesos")
fs.BoolVar(&s.ProxyBindall, "proxy-bindall", s.ProxyBindall, "When true pass -proxy-bindall to the executor.")
fs.BoolVar(&s.RunProxy, "run-proxy", s.RunProxy, "Run the kube-proxy as a side process of the executor.")
fs.IntVar(&s.ProxyLogV, "proxy-logv", s.ProxyLogV, "Logging verbosity of spawned minion proxy processes.")
fs.StringVar(&s.MinionPathOverride, "minion-path-override", s.MinionPathOverride, "Override the PATH in the environment of the minion sub-processes.")
fs.Var(resource.NewQuantityFlagValue(&s.MinionLogMaxSize), "minion-max-log-size", "Maximum log file size for the executor and proxy before rotation")
fs.IntVar(&s.MinionLogMaxAgeInDays, "minion-max-log-age", s.MinionLogMaxAgeInDays, "Maximum log file age of the executor and proxy in days")
fs.IntVar(&s.MinionLogMaxBackups, "minion-max-log-backups", s.MinionLogMaxBackups, "Maximum log file backups of the executor and proxy to keep after rotation")
fs.StringVar(&s.KubeletRootDirectory, "kubelet-root-dir", s.KubeletRootDirectory, "Directory path for managing kubelet files (volume mounts,etc). Defaults to executor sandbox.")
fs.StringVar(&s.KubeletDockerEndpoint, "kubelet-docker-endpoint", s.KubeletDockerEndpoint, "If non-empty, kubelet will use this for the docker endpoint to communicate with.")
fs.StringVar(&s.KubeletPodInfraContainerImage, "kubelet-pod-infra-container-image", s.KubeletPodInfraContainerImage, "The image whose network/ipc namespaces containers in each pod will use.")
fs.UintVar(&s.KubeletCadvisorPort, "kubelet-cadvisor-port", s.KubeletCadvisorPort, "The port of the kubelet's local cAdvisor endpoint")
fs.StringVar(&s.KubeletHostNetworkSources, "kubelet-host-network-sources", s.KubeletHostNetworkSources, "Comma-separated list of sources from which the Kubelet allows pods to use of host network. For all sources use \"*\" [default=\"file\"]")
fs.DurationVar(&s.KubeletSyncFrequency, "kubelet-sync-frequency", s.KubeletSyncFrequency, "Max period between synchronizing running containers and config")
fs.StringVar(&s.KubeletNetworkPluginName, "kubelet-network-plugin", s.KubeletNetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
//TODO(jdef) support this flag once we have a better handle on mesos-dns and k8s DNS integration
//fs.StringVar(&s.HADomain, "ha-domain", s.HADomain, "Domain of the HA scheduler service, only used in HA mode. If specified may be used to construct artifact download URIs.")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
// Add the generic flags.
s.GenericServerRunOptions.AddUniversalFlags(fs)
s.Etcd.AddFlags(fs)
s.SecureServing.AddFlags(fs)
s.SecureServing.AddDeprecatedFlags(fs)
s.InsecureServing.AddFlags(fs)
s.InsecureServing.AddDeprecatedFlags(fs)
s.Authentication.AddFlags(fs)
s.Authorization.AddFlags(fs)
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL,
"Amount of time to retain events. Default is 1h.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged,
"If true, allow privileged containers.")
fs.StringVar(&s.SSHUser, "ssh-user", s.SSHUser,
"If non-empty, use secure SSH proxy to the nodes, using this user name")
fs.StringVar(&s.SSHKeyfile, "ssh-keyfile", s.SSHKeyfile,
"If non-empty, use secure SSH proxy to the nodes, using this user keyfile")
fs.Int64Var(&s.MaxConnectionBytesPerSec, "max-connection-bytes-per-sec", s.MaxConnectionBytesPerSec, ""+
"If non-zero, throttle each user connection to this number of bytes/sec. "+
"Currently only applies to long-running requests.")
// Kubelet related flags:
fs.BoolVar(&s.KubeletConfig.EnableHttps, "kubelet-https", s.KubeletConfig.EnableHttps,
"Use https for kubelet connections.")
fs.StringSliceVar(&s.KubeletConfig.PreferredAddressTypes, "kubelet-preferred-address-types", s.KubeletConfig.PreferredAddressTypes,
"List of the preferred NodeAddressTypes to use for kubelet connections.")
fs.UintVar(&s.KubeletConfig.Port, "kubelet-port", s.KubeletConfig.Port,
"DEPRECATED: kubelet port.")
fs.MarkDeprecated("kubelet-port", "kubelet-port is deprecated and will be removed.")
fs.DurationVar(&s.KubeletConfig.HTTPTimeout, "kubelet-timeout", s.KubeletConfig.HTTPTimeout,
"Timeout for kubelet operations.")
fs.StringVar(&s.KubeletConfig.CertFile, "kubelet-client-certificate", s.KubeletConfig.CertFile,
"Path to a client cert file for TLS.")
fs.StringVar(&s.KubeletConfig.KeyFile, "kubelet-client-key", s.KubeletConfig.KeyFile,
"Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.CAFile, "kubelet-certificate-authority", s.KubeletConfig.CAFile,
"Path to a cert file for the certificate authority.")
// TODO: delete this flag as soon as we identify and fix all clients that send malformed updates, like #14126.
fs.BoolVar(&validation.RepairMalformedUpdates, "repair-malformed-updates", validation.RepairMalformedUpdates, ""+
"If true, server will do its best to fix the update request to pass the validation, "+
"e.g., setting empty UID in update request to its existing value. This flag can be turned off "+
"after we fix all the clients that send malformed updates.")
}
func bindCompileOptions(flagSet *pflag.FlagSet, compileOptions *protoeasy.CompileOptions) {
flagSet.BoolVar(&compileOptions.Grpc, "grpc", false, "Output grpc files.")
flagSet.BoolVar(&compileOptions.GrpcGateway, "grpc-gateway", false, "Output grpc-gateway .gw.go files.")
flagSet.BoolVar(&compileOptions.NoDefaultIncludes, "no-default-includes", false, "Do not import the default include directories, implies --go-no-default-modifiers.")
flagSet.StringSliceVar(&compileOptions.ExcludePattern, "exclude", []string{}, "Exclude file patterns.")
flagSet.BoolVar(&compileOptions.Cpp, "cpp", false, "Output cpp files.")
flagSet.StringVar(&compileOptions.CppRelOut, "cpp-rel-out", "", "The directory, relative to the output directory, to output cpp files.")
flagSet.BoolVar(&compileOptions.Csharp, "csharp", false, "Output csharp files.")
flagSet.StringVar(&compileOptions.CsharpRelOut, "csharp-rel-out", "", "The directory, relative to the output directory, to output csharp files.")
flagSet.BoolVar(&compileOptions.Go, "go", false, "Output go files.")
flagSet.StringVar(&compileOptions.GoRelOut, "go-rel-out", "", "The directory, relative to the output directory, to output go files.")
flagSet.StringVar(&compileOptions.GoImportPath, "go-import-path", "", "Go package.")
flagSet.BoolVar(&compileOptions.GoNoDefaultModifiers, "go-no-default-modifiers", false, "Do not set the default Mfile=package modifiers for --go_out.")
flagSet.BoolVar(&compileOptions.Objc, "objc", false, "Output objc files.")
flagSet.StringVar(&compileOptions.ObjcRelOut, "objc-rel-out", "", "The directory, relative to the output directory, to output objc files.")
flagSet.BoolVar(&compileOptions.Python, "python", false, "Output python files.")
flagSet.StringVar(&compileOptions.PythonRelOut, "python-rel-out", "", "The directory, relative to the output directory, to output python files.")
flagSet.BoolVar(&compileOptions.Ruby, "ruby", false, "Output ruby files.")
flagSet.StringVar(&compileOptions.RubyRelOut, "ruby-rel-out", "", "The directory, relative to the output directory, to output ruby files.")
}
func flags(set *pflag.FlagSet) {
// Unused cli args
set.StringVarP(&buildDir, "build", "b", "",
"Path to target directory to place generated CSS, relative paths inside project directory are preserved")
set.BoolVarP(&comments, "comment", "", false, "Turn on source comments")
set.BoolVar(&debug, "debug", false, "Show detailed debug information")
var nothingb bool
set.BoolVar(&debug, "debug-info", false, "")
set.MarkDeprecated("debug-info", "Use --debug instead")
set.StringVarP(&dir, "dir", "d", "",
"Path to locate images for spriting and image functions")
set.StringVar(&dir, "images-dir", "", "")
set.MarkDeprecated("images-dir", "Use -d instead")
set.StringVar(&font, "font", ".", "Path to directory containing fonts")
set.StringVar(&gen, "generated-images-path", "", "")
set.MarkDeprecated("generated-images-path", "Use --gen instead")
set.StringVar(&gen, "gen", ".", "Path to place generated images")
set.StringVarP(&proj, "proj", "p", "",
"Path to directory containing Sass stylesheets")
set.BoolVar(¬hingb, "no-line-comments", false, "UNSUPPORTED: Disable line comments, use comments")
set.MarkDeprecated("no-line-comments", "Use --comments instead")
set.BoolVar(&relativeAssets, "relative-assets", false, "UNSUPPORTED: Make compass asset helpers generate relative urls to assets.")
set.BoolVar(&sourceMap, "source-map", false, "Enable emitting of source maps, must specify build directory to use this")
set.BoolVarP(&showVersion, "version", "v", false, "Show the app version")
set.StringVar(&cachebust, "cachebust", "", "Defeat cache by appending timestamps to static assets ie. ts, sum, timestamp")
set.StringVarP(&style, "style", "s", "nested",
`nested style of output CSS
available options: nested, expanded, compact, compressed`)
set.StringVar(&style, "output-style", "nested", "")
set.MarkDeprecated("output-style", "Use --style instead")
set.BoolVar(&timeB, "time", false, "Retrieve timing information")
var nothing string
set.StringVar(¬hing, "require", "", "")
set.MarkDeprecated("require", "Compass backwards compat, Not supported")
set.MarkDeprecated("require", "Not supported")
set.StringVar(¬hing, "environment", "", "")
set.MarkDeprecated("environment", "Not supported")
set.StringSliceVar(&includes, "includes", nil, "Include Sass from additional directories")
set.StringSliceVarP(&includes, "", "I", nil, "")
set.MarkDeprecated("I", "Compass backwards compat, use --includes instead")
set.StringVar(&buildDir, "css-dir", "",
"Compass backwards compat. Reference locations relative to Sass project directory")
set.MarkDeprecated("css-dir", "Use -b instead")
set.StringVar(&jsDir, "javascripts-dir", "", "")
set.MarkDeprecated("javascripts-dir", "Compass backwards compat, ignored")
set.StringSliceVar(&includes, "sass-dir", nil,
"Compass backwards compat, use --includes instead")
set.StringVarP(&config, "config", "c", "",
"Temporarily disabled: Location of the config file")
set.StringVar(&cpuprofile, "cpuprofile", "", "Go runtime cpu profilling for debugging")
}
// AddFlags adds flags for a specific VMTServer to the specified FlagSet
func (s *VMTServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.StringVar(&s.MetaConfigPath, "config-path", s.MetaConfigPath, "The path to the vmt config file.")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization and master location information.")
fs.StringSliceVar(&s.EtcdServerList, "etcd-servers", s.EtcdServerList, "List of etcd servers to watch (http://ip:port), comma separated. Mutually exclusive with -etcd-config")
fs.StringVar(&s.EtcdCA, "cacert", s.EtcdCA, "Path to etcd ca.")
fs.StringVar(&s.EtcdClientCertificate, "client-cert", s.EtcdClientCertificate, "Path to etcd client certificate")
fs.StringVar(&s.EtcdClientKey, "client-key", s.EtcdClientKey, "Path to etcd client key")
}
// Bind sets the appropriate labels
func (o *RouterSelection) Bind(flag *pflag.FlagSet) {
flag.DurationVar(&o.ResyncInterval, "resync-interval", 10*time.Minute, "The interval at which the route list should be fully refreshed")
flag.StringVar(&o.HostnameTemplate, "hostname-template", cmdutil.Env("ROUTER_SUBDOMAIN", ""), "If specified, a template that should be used to generate the hostname for a route without spec.host (e.g. '${name}-${namespace}.myapps.mycompany.com')")
flag.BoolVar(&o.OverrideHostname, "override-hostname", cmdutil.Env("ROUTER_OVERRIDE_HOSTNAME", "") == "true", "Override the spec.host value for a route with --hostname-template")
flag.StringVar(&o.LabelSelector, "labels", cmdutil.Env("ROUTE_LABELS", ""), "A label selector to apply to the routes to watch")
flag.StringVar(&o.FieldSelector, "fields", cmdutil.Env("ROUTE_FIELDS", ""), "A field selector to apply to routes to watch")
flag.StringVar(&o.ProjectLabelSelector, "project-labels", cmdutil.Env("PROJECT_LABELS", ""), "A label selector to apply to projects to watch; if '*' watches all projects the client can access")
flag.StringVar(&o.NamespaceLabelSelector, "namespace-labels", cmdutil.Env("NAMESPACE_LABELS", ""), "A label selector to apply to namespaces to watch")
flag.BoolVar(&o.IncludeUDP, "include-udp-endpoints", false, "If true, UDP endpoints will be considered as candidates for routing")
flag.StringSliceVar(&o.DeniedDomains, "denied-domains", envVarAsStrings("ROUTER_DENIED_DOMAINS", "", ","), "List of comma separated domains to deny in routes")
flag.StringSliceVar(&o.AllowedDomains, "allowed-domains", envVarAsStrings("ROUTER_ALLOWED_DOMAINS", "", ","), "List of comma separated domains to allow in routes. If specified, only the domains in this list will be allowed routes. Note that domains in the denied list take precedence over the ones in the allowed list")
flag.BoolVar(&o.AllowWildcardRoutes, "allow-wildcard-routes", cmdutil.Env("ROUTER_ALLOW_WILDCARD_ROUTES", "") == "true", "Allow wildcard host names for routes")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
// Add the generic flags.
s.ServerRunOptions.AddFlags(fs)
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.StringVar(&s.DeprecatedStorageVersion, "storage-version", s.DeprecatedStorageVersion, "The version to store the legacy v1 resources with. Defaults to server preferred")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API is retired. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, "The per-group version to store resources in. "+
"Specified in the format \"group1/version1,group2/version2,...\". "+
"In the case where objects are moved from one group to the other, you may specify the format \"group1=group2/v1beta1,group3/v1beta1,...\". "+
"You only need to pass the groups you wish to change from the defaults. "+
"It defaults to a list of preferred versions of all registered groups, which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringVar(&s.DefaultStorageMediaType, "storage-media-type", s.DefaultStorageMediaType, "The media type to use to store objects in storage. Defaults to application/json. Some resources may only support a specific media type and will ignore this setting.")
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL, "Amount of time to retain events. Default 1 hour.")
fs.StringVar(&s.BasicAuthFile, "basic-auth-file", s.BasicAuthFile, "If set, the file that will be used to admit requests to the secure port of the API server via http basic authentication.")
fs.StringVar(&s.TokenAuthFile, "token-auth-file", s.TokenAuthFile, "If set, the file that will be used to secure the secure port of the API server via token authentication.")
fs.StringVar(&s.OIDCIssuerURL, "oidc-issuer-url", s.OIDCIssuerURL, "The URL of the OpenID issuer, only HTTPS scheme will be accepted. If set, it will be used to verify the OIDC JSON Web Token (JWT)")
fs.StringVar(&s.OIDCClientID, "oidc-client-id", s.OIDCClientID, "The client ID for the OpenID Connect client, must be set if oidc-issuer-url is set")
fs.StringVar(&s.OIDCCAFile, "oidc-ca-file", s.OIDCCAFile, "If set, the OpenID server's certificate will be verified by one of the authorities in the oidc-ca-file, otherwise the host's root CA set will be used")
fs.StringVar(&s.OIDCUsernameClaim, "oidc-username-claim", "sub", ""+
"The OpenID claim to use as the user name. Note that claims other than the default ('sub') is not "+
"guaranteed to be unique and immutable. This flag is experimental, please see the authentication documentation for further details.")
fs.StringVar(&s.OIDCGroupsClaim, "oidc-groups-claim", "", "If provided, the name of a custom OpenID Connect claim for specifying user groups. The claim value is expected to be an array of strings. This flag is experimental, please see the authentication documentation for further details.")
fs.StringVar(&s.ServiceAccountKeyFile, "service-account-key-file", s.ServiceAccountKeyFile, "File containing PEM-encoded x509 RSA private or public key, used to verify ServiceAccount tokens. If unspecified, --tls-private-key-file is used.")
fs.BoolVar(&s.ServiceAccountLookup, "service-account-lookup", s.ServiceAccountLookup, "If true, validate ServiceAccount tokens exist in etcd as part of authentication.")
fs.StringVar(&s.KeystoneURL, "experimental-keystone-url", s.KeystoneURL, "If passed, activates the keystone authentication plugin")
fs.StringVar(&s.AuthorizationMode, "authorization-mode", s.AuthorizationMode, "Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+strings.Join(apiserver.AuthorizationModeChoices, ","))
fs.StringVar(&s.AuthorizationConfig.PolicyFile, "authorization-policy-file", s.AuthorizationConfig.PolicyFile, "File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.AuthorizationConfig.WebhookConfigFile, "authorization-webhook-config-file", s.AuthorizationConfig.WebhookConfigFile, "File with webhook configuration in kubeconfig format, used with --authorization-mode=Webhook. The API server will query the remote service to determine access on the API server's secure port.")
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, "Ordered list of plug-ins to do admission control of resources into cluster. Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", "))
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile, "File with admission control configuration.")
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, "Per-resource etcd servers overrides, comma separated. The individual override format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.IntVar(&s.DeleteCollectionWorkers, "delete-collection-workers", s.DeleteCollectionWorkers, "Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup.")
fs.StringVar(&s.SSHUser, "ssh-user", s.SSHUser, "If non-empty, use secure SSH proxy to the nodes, using this user name")
fs.StringVar(&s.SSHKeyfile, "ssh-keyfile", s.SSHKeyfile, "If non-empty, use secure SSH proxy to the nodes, using this user keyfile")
fs.Int64Var(&s.MaxConnectionBytesPerSec, "max-connection-bytes-per-sec", s.MaxConnectionBytesPerSec, "If non-zero, throttle each user connection to this number of bytes/sec. Currently only applies to long-running requests")
// Kubelet related flags:
fs.BoolVar(&s.KubeletConfig.EnableHttps, "kubelet-https", s.KubeletConfig.EnableHttps, "Use https for kubelet connections")
fs.UintVar(&s.KubeletConfig.Port, "kubelet-port", s.KubeletConfig.Port, "Kubelet port")
fs.MarkDeprecated("kubelet-port", "kubelet-port is deprecated and will be removed")
fs.DurationVar(&s.KubeletConfig.HTTPTimeout, "kubelet-timeout", s.KubeletConfig.HTTPTimeout, "Timeout for kubelet operations")
fs.StringVar(&s.KubeletConfig.CertFile, "kubelet-client-certificate", s.KubeletConfig.CertFile, "Path to a client cert file for TLS.")
fs.StringVar(&s.KubeletConfig.KeyFile, "kubelet-client-key", s.KubeletConfig.KeyFile, "Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.CAFile, "kubelet-certificate-authority", s.KubeletConfig.CAFile, "Path to a cert. file for the certificate authority.")
// TODO: delete this flag as soon as we identify and fix all clients that send malformed updates, like #14126.
fs.BoolVar(&validation.RepairMalformedUpdates, "repair-malformed-updates", validation.RepairMalformedUpdates, "If true, server will do its best to fix the update request to pass the validation, e.g., setting empty UID in update request to its existing value. This flag can be turned off after we fix all the clients that send malformed updates.")
fs.StringSliceVar(&s.WatchCacheSizes, "watch-cache-sizes", s.WatchCacheSizes, "List of watch cache sizes for every resource (pods, nodes, etc.), comma separated. The individual override format: resource#size, where size is a number. It takes effect when watch-cache is enabled.")
}
// BindMasterArgs binds the options to the flags with prefix + default flag names
func BindMasterArgs(args *MasterArgs, flags *pflag.FlagSet, prefix string) {
flags.Var(&args.MasterAddr, prefix+"master", "The master address for use by OpenShift components (host, host:port, or URL). Scheme and port default to the --listen scheme and port. When unset, attempt to use the first public IPv4 non-loopback address registered on this host.")
flags.Var(&args.MasterPublicAddr, prefix+"public-master", "The master address for use by public clients, if different (host, host:port, or URL). Defaults to same as --master.")
flags.Var(&args.EtcdAddr, prefix+"etcd", "The address of the etcd server (host, host:port, or URL). If specified, no built-in etcd will be started.")
flags.Var(&args.DNSBindAddr, prefix+"dns", "The address to listen for DNS requests on.")
flags.BoolVar(&args.PauseControllers, prefix+"pause", false, "If true, wait for a signal before starting the controllers.")
flags.StringVar(&args.EtcdDir, prefix+"etcd-dir", "openshift.local.etcd", "The etcd data directory.")
flags.StringSliceVar(&args.NodeList, prefix+"nodes", []string{}, "The hostnames of each node. This currently must be specified up front. Comma delimited list")
flags.StringSliceVar(&args.CORSAllowedOrigins, prefix+"cors-allowed-origins", []string{}, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. CORS is enabled for localhost, 127.0.0.1, and the asset server by default.")
// autocompletion hints
cobra.MarkFlagFilename(flags, prefix+"etcd-dir")
}
func bindOptions(flagSet *pflag.FlagSet, options *options) {
flagSet.StringSliceVar(
&options.GoModifiers,
"go-modifier",
[]string{},
"Extra Mfile=package modifiers for --go_out, specify just as file=package to this flag.",
)
flagSet.StringVar(
&options.GoPluginType,
"go-plugin",
"go",
fmt.Sprintf("The go protoc plugin to use, allowed values are %s.", strings.Join(protoeasy.AllGoPluginTypeSimpleStrings(), ",")),
)
flagSet.StringSliceVar(
&options.GogoModifiers,
"gogo-modifier",
[]string{},
"Extra Mfile=package modifiers for --gogo_out, specify just as file=package to this flag.",
)
flagSet.StringVar(
&options.GogoPluginType,
"gogo-plugin",
"gogofast",
fmt.Sprintf("The gogo protoc plugin to use, allowed values are %s.", strings.Join(protoeasy.AllGogoPluginTypeSimpleStrings(), ",")),
)
flagSet.StringVar(
&options.OutDirPath,
"out",
"",
"Customize out directory path.",
)
flagSet.BoolVar(
&options.NoFileCompileOptions,
"no-file",
false,
fmt.Sprintf("Ignore any protoeasy options file (usually %s) and just use the flags for options", protoeasy.DefaultFileCompileOptionsFile),
)
flagSet.StringVarP(
&options.FileCompileOptionsPath,
"file",
"f",
protoeasy.DefaultFileCompileOptionsFile,
`The file to check for to read protoeasy options from.
The path is relative to the input directory given as the first argument.
If file does not exist, just the flags will be used.
If the file exists, the file options will overwrite any passed flags unless --no-file is specified`,
)
}
// AddFlags adds flags for a specific SimulatorBuilder to the specified FlagSet
func (s *SimulatorBuilder) AddFlags(fs *pflag.FlagSet) *SimulatorBuilder {
fs.IntVar(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization and master location information.")
fs.StringVar(&s.Namespace, "namespace", s.Namespace, "Namespace of the pod to be moved")
fs.StringVar(&s.PodToMove, "pod", s.PodToMove, "Pod to be moved")
fs.StringVar(&s.Label, "label", s.Label, "The label of replication controller")
fs.StringVar(&s.NewReplica, "replica", s.NewReplica, "New replica")
fs.StringVar(&s.Action, "action", s.Action, "The action to take")
fs.StringVar(&s.Destination, "destination", s.Destination, "IP of move destination. For move action exclusively")
fs.StringSliceVar(&s.EtcdServerList, "etcd-servers", s.EtcdServerList, "List of etcd servers to watch (http://ip:port), comma separated. Mutually exclusive with -etcd-config")
fs.StringVar(&s.EtcdCA, "cacert", s.EtcdCA, "Path to etcd ca.")
fs.StringVar(&s.EtcdClientCertificate, "client-cert", s.EtcdClientCertificate, "Path to etcd client certificate")
fs.StringVar(&s.EtcdClientKey, "client-key", s.EtcdClientKey, "Path to etcd client key")
return s
}
func (g *Generator) BindFlags(flag *flag.FlagSet) {
flag.StringVarP(&g.Common.GoHeaderFilePath, "go-header-file", "h", g.Common.GoHeaderFilePath, "File containing boilerplate header text. The string YEAR will be replaced with the current 4-digit year.")
flag.BoolVar(&g.Common.VerifyOnly, "verify-only", g.Common.VerifyOnly, "If true, only verify existing output, do not write anything.")
flag.StringVarP(&g.Packages, "packages", "p", g.Packages, "comma-separated list of directories to get input types from. Directories prefixed with '-' are not generated, directories prefixed with '+' only create types with explicit IDL instructions.")
flag.StringVarP(&g.OutputBase, "output-base", "o", g.OutputBase, "Output base; defaults to $GOPATH/src/")
flag.StringSliceVar(&g.ProtoImport, "proto-import", g.ProtoImport, "The search path for the core protobuf .protos, required, defaults to GODEPS on path.")
flag.StringVar(&g.Conditional, "conditional", g.Conditional, "An optional Golang build tag condition to add to the generated Go code")
flag.BoolVar(&g.Clean, "clean", g.Clean, "If true, remove all generated files for the specified Packages.")
flag.BoolVar(&g.OnlyIDL, "only-idl", g.OnlyIDL, "If true, only generate the IDL for each package.")
flag.BoolVar(&g.SkipGeneratedRewrite, "skip-generated-rewrite", g.SkipGeneratedRewrite, "If true, skip fixing up the generated.pb.go file (debugging only).")
flag.StringVar(&g.DropEmbeddedFields, "drop-embedded-fields", g.DropEmbeddedFields, "Comma-delimited list of embedded Go types to omit from generated protobufs")
}
// AddEtcdFlags adds flags related to etcd storage for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddEtcdStorageFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, ""+
"Per-resource etcd servers overrides, comma separated. The individual override "+
"format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringSliceVar(&s.StorageConfig.ServerList, "etcd-servers", s.StorageConfig.ServerList,
"List of etcd servers to connect with (scheme://ip:port), comma separated.")
fs.StringVar(&s.StorageConfig.Prefix, "etcd-prefix", s.StorageConfig.Prefix,
"The prefix for all resource paths in etcd.")
fs.StringVar(&s.StorageConfig.KeyFile, "etcd-keyfile", s.StorageConfig.KeyFile,
"SSL key file used to secure etcd communication.")
fs.StringVar(&s.StorageConfig.CertFile, "etcd-certfile", s.StorageConfig.CertFile,
"SSL certification file used to secure etcd communication.")
fs.StringVar(&s.StorageConfig.CAFile, "etcd-cafile", s.StorageConfig.CAFile,
"SSL Certificate Authority file used to secure etcd communication.")
fs.BoolVar(&s.StorageConfig.Quorum, "etcd-quorum-read", s.StorageConfig.Quorum,
"If true, enable quorum read.")
}
func (s *RequestHeaderAuthenticationOptions) AddFlags(fs *pflag.FlagSet) {
fs.StringSliceVar(&s.UsernameHeaders, "requestheader-username-headers", s.UsernameHeaders, ""+
"List of request headers to inspect for usernames. X-Remote-User is common.")
fs.StringSliceVar(&s.GroupHeaders, "requestheader-group-headers", s.GroupHeaders, ""+
"List of request headers to inspect for groups. X-Remote-Group is suggested.")
fs.StringSliceVar(&s.ExtraHeaderPrefixes, "requestheader-extra-headers-prefix", s.ExtraHeaderPrefixes, ""+
"List of request header prefixes to inspect. X-Remote-Extra- is suggested.")
fs.StringVar(&s.ClientCAFile, "requestheader-client-ca-file", s.ClientCAFile, ""+
"Root certificate bundle to use to verify client certificates on incoming requests "+
"before trusting usernames in headers specified by --requestheader-username-headers")
fs.StringSliceVar(&s.AllowedNames, "requestheader-allowed-names", s.AllowedNames, ""+
"List of client certificate common names to allow to provide usernames in headers "+
"specified by --requestheader-username-headers. If empty, any client certificate validated "+
"by the authorities in --requestheader-client-ca-file is allowed.")
}
// BindMasterArgs binds the options to the flags with prefix + default flag names
func BindMasterArgs(args *MasterArgs, flags *pflag.FlagSet, prefix string) {
flags.Var(&args.MasterAddr, prefix+"master", "The master address for use by OpenShift components (host, host:port, or URL). Scheme and port default to the --listen scheme and port. When unset, attempt to use the first public IPv4 non-loopback address registered on this host.")
flags.Var(&args.MasterPublicAddr, prefix+"public-master", "The master address for use by public clients, if different (host, host:port, or URL). Defaults to same as --master.")
flags.Var(&args.EtcdAddr, prefix+"etcd", "The address of the etcd server (host, host:port, or URL). If specified, no built-in etcd will be started.")
flags.Var(&args.DNSBindAddr, prefix+"dns", "The address to listen for DNS requests on.")
flags.BoolVar(&args.PauseControllers, prefix+"pause", false, "If true, wait for a signal before starting the controllers.")
flags.StringVar(&args.EtcdDir, prefix+"etcd-dir", "openshift.local.etcd", "The etcd data directory.")
flags.StringSliceVar(&args.APIServerCAFiles, prefix+"certificate-authority", args.APIServerCAFiles, "Optional files containing signing authorities to use (in addition to the generated signer) to verify the API server's serving certificate.")
nodes := []string{}
flags.StringSliceVar(&nodes, prefix+"nodes", nodes, "DEPRECATED: nodes now register themselves")
flags.MarkDeprecated(prefix+"nodes", "Nodes register themselves at startup, and are no longer statically registered")
flags.StringSliceVar(&args.CORSAllowedOrigins, prefix+"cors-allowed-origins", []string{}, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. CORS is enabled for localhost, 127.0.0.1, and the asset server by default.")
// autocompletion hints
cobra.MarkFlagFilename(flags, prefix+"etcd-dir")
cobra.MarkFlagFilename(flags, prefix+"certificate-authority")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.IntVar(&s.InsecurePort, "insecure-port", s.InsecurePort, ""+
"The port on which to serve unsecured, unauthenticated access. Default 8080. It is assumed "+
"that firewall rules are set up such that this port is not reachable from outside of "+
"the cluster and that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
fs.IntVar(&s.InsecurePort, "port", s.InsecurePort, "DEPRECATED: see --insecure-port instead")
fs.MarkDeprecated("port", "see --insecure-port instead")
fs.IPVar(&s.InsecureBindAddress, "insecure-bind-address", s.InsecureBindAddress, ""+
"The IP address on which to serve the --insecure-port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.IPVar(&s.InsecureBindAddress, "address", s.InsecureBindAddress, "DEPRECATED: see --insecure-bind-address instead")
fs.MarkDeprecated("address", "see --insecure-bind-address instead")
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, ""+
"The IP address on which to listen for the --secure-port port. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.IPVar(&s.BindAddress, "public-address-override", s.BindAddress, "DEPRECATED: see --bind-address instead")
fs.MarkDeprecated("public-address-override", "see --bind-address instead")
fs.IntVar(&s.SecurePort, "secure-port", s.SecurePort, ""+
"The port on which to serve HTTPS with authentication and authorization. If 0, "+
"don't serve HTTPS at all.")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, "+
"a self-signed certificate and key are generated for the public address and saved to /var/run/kubernetes.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.APIPrefix, "api-prefix", s.APIPrefix, "The prefix for API requests on the server. Default '/api'.")
fs.MarkDeprecated("api-prefix", "--api-prefix is deprecated and will be removed when the v1 API is retired.")
fs.StringVar(&s.DeprecatedStorageVersion, "storage-version", s.DeprecatedStorageVersion, "The version to store the legacy v1 resources with. Defaults to server preferred")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API is retired. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, "The versions to store resources with. "+
"Different groups may be stored in different versions. Specified in the format \"group1/version1,group2/version2...\". "+
"This flag expects a complete list of storage versions of ALL groups registered in the server. "+
"It defaults to a list of preferred versions of all registered groups, which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL, "Amount of time to retain events. Default 1 hour.")
fs.StringVar(&s.BasicAuthFile, "basic-auth-file", s.BasicAuthFile, "If set, the file that will be used to admit requests to the secure port of the API server via http basic authentication.")
fs.StringVar(&s.ClientCAFile, "client-ca-file", s.ClientCAFile, "If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file is authenticated with an identity corresponding to the CommonName of the client certificate.")
fs.StringVar(&s.TokenAuthFile, "token-auth-file", s.TokenAuthFile, "If set, the file that will be used to secure the secure port of the API server via token authentication.")
fs.StringVar(&s.OIDCIssuerURL, "oidc-issuer-url", s.OIDCIssuerURL, "The URL of the OpenID issuer, only HTTPS scheme will be accepted. If set, it will be used to verify the OIDC JSON Web Token (JWT)")
fs.StringVar(&s.OIDCClientID, "oidc-client-id", s.OIDCClientID, "The client ID for the OpenID Connect client, must be set if oidc-issuer-url is set")
fs.StringVar(&s.OIDCCAFile, "oidc-ca-file", s.OIDCCAFile, "If set, the OpenID server's certificate will be verified by one of the authorities in the oidc-ca-file, otherwise the host's root CA set will be used")
fs.StringVar(&s.OIDCUsernameClaim, "oidc-username-claim", "sub", ""+
"The OpenID claim to use as the user name. Note that claims other than the default ('sub') is not "+
"guaranteed to be unique and immutable. This flag is experimental, please see the authentication documentation for further details.")
fs.StringVar(&s.ServiceAccountKeyFile, "service-account-key-file", s.ServiceAccountKeyFile, "File containing PEM-encoded x509 RSA private or public key, used to verify ServiceAccount tokens. If unspecified, --tls-private-key-file is used.")
fs.BoolVar(&s.ServiceAccountLookup, "service-account-lookup", s.ServiceAccountLookup, "If true, validate ServiceAccount tokens exist in etcd as part of authentication.")
fs.StringVar(&s.KeystoneURL, "experimental-keystone-url", s.KeystoneURL, "If passed, activates the keystone authentication plugin")
fs.StringVar(&s.AuthorizationMode, "authorization-mode", s.AuthorizationMode, "Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+strings.Join(apiserver.AuthorizationModeChoices, ","))
fs.StringVar(&s.AuthorizationPolicyFile, "authorization-policy-file", s.AuthorizationPolicyFile, "File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, "Ordered list of plug-ins to do admission control of resources into cluster. Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", "))
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile, "File with admission control configuration.")
fs.StringSliceVar(&s.EtcdServerList, "etcd-servers", s.EtcdServerList, "List of etcd servers to watch (http://ip:port), comma separated. Mutually exclusive with -etcd-config")
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, "Per-resource etcd servers overrides, comma separated. The individual override format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringVar(&s.EtcdPathPrefix, "etcd-prefix", s.EtcdPathPrefix, "The prefix for all resource paths in etcd.")
fs.BoolVar(&s.EtcdQuorumRead, "etcd-quorum-read", s.EtcdQuorumRead, "If true, enable quorum read")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange, "Deprecated: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", "A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "Deprecated: see --service-node-port-range instead.")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead.")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount, "The number of apiservers running in the cluster")
fs.Var(&s.RuntimeConfig, "runtime-config", "A set of key=value pairs that describe runtime configuration that may be passed to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and api/legacy are special keys to control all and legacy api versions respectively.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", true, "Enable watch caching in the apiserver")
fs.StringVar(&s.ExternalHost, "external-hostname", "", "The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs.)")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", 400, "The maximum number of requests in flight at a given time. When the server exceeds this, it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", 1800, "An optional field indicating the minimum number of seconds a handler must keep a request open before timing it out. Currently only honored by the watch request handler, which picks a randomized value above this number as the connection timeout, to spread out load.")
fs.StringVar(&s.LongRunningRequestRE, "long-running-request-regexp", s.LongRunningRequestRE, "A regular expression matching long running requests which should be excluded from maximum inflight request handling.")
fs.StringVar(&s.SSHUser, "ssh-user", "", "If non-empty, use secure SSH proxy to the nodes, using this user name")
fs.StringVar(&s.SSHKeyfile, "ssh-keyfile", "", "If non-empty, use secure SSH proxy to the nodes, using this user keyfile")
fs.Int64Var(&s.MaxConnectionBytesPerSec, "max-connection-bytes-per-sec", 0, "If non-zero, throttle each user connection to this number of bytes/sec. Currently only applies to long-running requests")
// Kubelet related flags:
fs.BoolVar(&s.KubeletConfig.EnableHttps, "kubelet-https", s.KubeletConfig.EnableHttps, "Use https for kubelet connections")
fs.UintVar(&s.KubeletConfig.Port, "kubelet-port", s.KubeletConfig.Port, "Kubelet port")
fs.MarkDeprecated("kubelet-port", "kubelet-port is deprecated and will be removed")
fs.DurationVar(&s.KubeletConfig.HTTPTimeout, "kubelet-timeout", s.KubeletConfig.HTTPTimeout, "Timeout for kubelet operations")
fs.StringVar(&s.KubeletConfig.CertFile, "kubelet-client-certificate", s.KubeletConfig.CertFile, "Path to a client cert file for TLS.")
fs.StringVar(&s.KubeletConfig.KeyFile, "kubelet-client-key", s.KubeletConfig.KeyFile, "Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.CAFile, "kubelet-certificate-authority", s.KubeletConfig.CAFile, "Path to a cert. file for the certificate authority.")
// See #14282 for details on how to test/try this option out. TODO remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", 0, "If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be of type NodePort, using this as the value of the port. If zero, the Kubernetes master service will be of type ClusterIP.")
// TODO: delete this flag as soon as we identify and fix all clients that send malformed updates, like #14126.
fs.BoolVar(&validation.RepairMalformedUpdates, "repair-malformed-updates", true, "If true, server will do its best to fix the update request to pass the validation, e.g., setting empty UID in update request to its existing value. This flag can be turned off after we fix all the clients that send malformed updates.")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.IntVar(&s.InsecurePort, "insecure-port", s.InsecurePort, ""+
"The port on which to serve unsecured, unauthenticated access. Default 8080. It is assumed "+
"that firewall rules are set up such that this port is not reachable from outside of "+
"the cluster and that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
fs.IntVar(&s.InsecurePort, "port", s.InsecurePort, "DEPRECATED: see --insecure-port instead")
fs.MarkDeprecated("port", "see --insecure-port instead")
fs.IPVar(&s.InsecureBindAddress, "insecure-bind-address", s.InsecureBindAddress, ""+
"The IP address on which to serve the --insecure-port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.IPVar(&s.InsecureBindAddress, "address", s.InsecureBindAddress, "DEPRECATED: see --insecure-bind-address instead")
fs.MarkDeprecated("address", "see --insecure-bind-address instread")
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, ""+
"The IP address on which to serve the --read-only-port and --secure-port ports. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.IPVar(&s.BindAddress, "public-address-override", s.BindAddress, "DEPRECATED: see --bind-address instead")
fs.MarkDeprecated("public-address-override", "see --bind-address instead")
fs.IntVar(&s.SecurePort, "secure-port", s.SecurePort, ""+
"The port on which to serve HTTPS with authentication and authorization. If 0, "+
"don't serve HTTPS at all.")
fs.Float32Var(&s.APIRate, "api-rate", s.APIRate, "API rate limit as QPS for the read only port")
fs.IntVar(&s.APIBurst, "api-burst", s.APIBurst, "API burst amount for the read only port")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, "+
"a self-signed certificate and key are generated for the public address and saved to /var/run/kubernetes.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.APIPrefix, "api-prefix", s.APIPrefix, "The prefix for API requests on the server. Default '/api'.")
fs.StringVar(&s.ExpAPIPrefix, "experimental-prefix", s.ExpAPIPrefix, "The prefix for experimental API requests on the server. Default '/experimental'.")
fs.StringVar(&s.StorageVersion, "storage-version", s.StorageVersion, "The version to store resources with. Defaults to server preferred")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL, "Amount of time to retain events. Default 1 hour.")
fs.StringVar(&s.BasicAuthFile, "basic-auth-file", s.BasicAuthFile, "If set, the file that will be used to admit requests to the secure port of the API server via http basic authentication.")
fs.StringVar(&s.ClientCAFile, "client-ca-file", s.ClientCAFile, "If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file is authenticated with an identity corresponding to the CommonName of the client certificate.")
fs.StringVar(&s.TokenAuthFile, "token-auth-file", s.TokenAuthFile, "If set, the file that will be used to secure the secure port of the API server via token authentication.")
fs.StringVar(&s.ServiceAccountKeyFile, "service-account-key-file", s.ServiceAccountKeyFile, "File containing PEM-encoded x509 RSA private or public key, used to verify ServiceAccount tokens. If unspecified, --tls-private-key-file is used.")
fs.BoolVar(&s.ServiceAccountLookup, "service-account-lookup", s.ServiceAccountLookup, "If true, validate ServiceAccount tokens exist in etcd as part of authentication.")
fs.StringVar(&s.KeystoneURL, "experimental-keystone-url", s.KeystoneURL, "If passed, activates the keystone authentication plugin")
fs.StringVar(&s.AuthorizationMode, "authorization-mode", s.AuthorizationMode, "Selects how to do authorization on the secure port. One of: "+strings.Join(apiserver.AuthorizationModeChoices, ","))
fs.StringVar(&s.AuthorizationPolicyFile, "authorization-policy-file", s.AuthorizationPolicyFile, "File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, "Ordered list of plug-ins to do admission control of resources into cluster. Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", "))
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile, "File with admission control configuration.")
fs.StringSliceVar(&s.EtcdServerList, "etcd-servers", s.EtcdServerList, "List of etcd servers to watch (http://ip:port), comma separated. Mutually exclusive with -etcd-config")
fs.StringVar(&s.EtcdConfigFile, "etcd-config", s.EtcdConfigFile, "The config file for the etcd client. Mutually exclusive with -etcd-servers.")
fs.StringVar(&s.EtcdPathPrefix, "etcd-prefix", s.EtcdPathPrefix, "The prefix for all resource paths in etcd.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange, "Deprecated: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", "A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "Deprecated: see --service-node-port-range instead.")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead.")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.Var(&s.RuntimeConfig, "runtime-config", "A set of key=value pairs that describe runtime configuration that may be passed to the apiserver. api/<version> key can be used to turn on/off specific api versions. api/all and api/legacy are special keys to control all and legacy api versions respectively.")
fs.StringVar(&s.ClusterName, "cluster-name", s.ClusterName, "The instance prefix for the cluster")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.ExternalHost, "external-hostname", "", "The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs.)")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", 400, "The maximum number of requests in flight at a given time. When the server exceeds this, it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", 1800, "An optional field indicating the minimum number of seconds a handler must keep a request open before timing it out. Currently only honored by the watch request handler, which picks a randomized value above this number as the connection timeout, to spread out load.")
fs.StringVar(&s.LongRunningRequestRE, "long-running-request-regexp", defaultLongRunningRequestRE, "A regular expression matching long running requests which should be excluded from maximum inflight request handling.")
fs.StringVar(&s.SSHUser, "ssh-user", "", "If non-empty, use secure SSH proxy to the nodes, using this user name")
fs.StringVar(&s.SSHKeyfile, "ssh-keyfile", "", "If non-empty, use secure SSH proxy to the nodes, using this user keyfile")
fs.Int64Var(&s.MaxConnectionBytesPerSec, "max-connection-bytes-per-sec", 0, "If non-zero, throttle each user connection to this number of bytes/sec. Currently only applies to long-running requests")
// Kubelet related flags:
fs.BoolVar(&s.KubeletConfig.EnableHttps, "kubelet-https", s.KubeletConfig.EnableHttps, "Use https for kubelet connections")
fs.UintVar(&s.KubeletConfig.Port, "kubelet-port", s.KubeletConfig.Port, "Kubelet port")
fs.DurationVar(&s.KubeletConfig.HTTPTimeout, "kubelet-timeout", s.KubeletConfig.HTTPTimeout, "Timeout for kubelet operations")
fs.StringVar(&s.KubeletConfig.CertFile, "kubelet-client-certificate", s.KubeletConfig.CertFile, "Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.KeyFile, "kubelet-client-key", s.KubeletConfig.KeyFile, "Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.CAFile, "kubelet-certificate-authority", s.KubeletConfig.CAFile, "Path to a cert. file for the certificate authority.")
}
// AddFlags adds flags for a specific KubeletServer to the specified FlagSet
func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
// TODO(#34726:1.8.0): Remove the opt-in for failing when swap is enabled.
fs.BoolVar(&s.ExperimentalFailSwapOn, "experimental-fail-swap-on", s.ExperimentalFailSwapOn, "Makes the Kubelet fail to start if swap is enabled on the node. This is a temporary opton to maintain legacy behavior, failing due to swap enabled will happen by default in v1.6.")
fs.Var(&s.KubeConfig, "kubeconfig", "Path to a kubeconfig file, specifying how to connect to the API server. --api-servers will be used for the location unless --require-kubeconfig is set.")
fs.BoolVar(&s.RequireKubeConfig, "require-kubeconfig", s.RequireKubeConfig, "If true the Kubelet will exit if there are configuration errors, and will ignore the value of --api-servers in favor of the server defined in the kubeconfig file.")
// DEPRECATED: Remove these flags at the beginning of 1.5.
fs.Var(&s.AuthPath, "auth-path", "Path to .kubernetes_auth file, specifying how to authenticate to API server.")
fs.MarkDeprecated("auth-path", "will be removed in a future version")
fs.StringSliceVar(&s.APIServerList, "api-servers", []string{}, "List of Kubernetes API servers for publishing events, and reading pods and services. (ip:port), comma separated.")
fs.MarkDeprecated("api-servers", "Use --kubeconfig instead. Will be removed in a future version.")
fs.StringVar(&s.PodManifestPath, "config", s.PodManifestPath, "Path to to the directory containing pod manifest files to run, or the path to a single pod manifest file.")
fs.MarkDeprecated("config", "Use --pod-manifest-path instead. Will be removed in a future version.")
fs.StringVar(&s.PodManifestPath, "pod-manifest-path", s.PodManifestPath, "Path to to the directory containing pod manifest files to run, or the path to a single pod manifest file.")
fs.DurationVar(&s.SyncFrequency.Duration, "sync-frequency", s.SyncFrequency.Duration, "Max period between synchronizing running containers and config")
fs.DurationVar(&s.FileCheckFrequency.Duration, "file-check-frequency", s.FileCheckFrequency.Duration, "Duration between checking config files for new data")
fs.DurationVar(&s.HTTPCheckFrequency.Duration, "http-check-frequency", s.HTTPCheckFrequency.Duration, "Duration between checking http for new data")
fs.StringVar(&s.ManifestURL, "manifest-url", s.ManifestURL, "URL for accessing the container manifest")
fs.StringVar(&s.ManifestURLHeader, "manifest-url-header", s.ManifestURLHeader, "HTTP header to use when accessing the manifest URL, with the key separated from the value with a ':', as in 'key:value'")
fs.BoolVar(&s.EnableServer, "enable-server", s.EnableServer, "Enable the Kubelet's server")
fs.Var(componentconfig.IPVar{Val: &s.Address}, "address", "The IP address for the Kubelet to serve on (set to 0.0.0.0 for all interfaces)")
fs.Int32Var(&s.Port, "port", s.Port, "The port for the Kubelet to serve on.")
fs.Int32Var(&s.ReadOnlyPort, "read-only-port", s.ReadOnlyPort, "The read-only port for the Kubelet to serve on with no authentication/authorization (set to 0 to disable)")
// Authentication
fs.BoolVar(&s.Authentication.Anonymous.Enabled, "anonymous-auth", s.Authentication.Anonymous.Enabled, ""+
"Enables anonymous requests to the Kubelet server. Requests that are not rejected by another "+
"authentication method are treated as anonymous requests. Anonymous requests have a username "+
"of system:anonymous, and a group name of system:unauthenticated.")
fs.BoolVar(&s.Authentication.Webhook.Enabled, "authentication-token-webhook", s.Authentication.Webhook.Enabled, ""+
"Use the TokenReview API to determine authentication for bearer tokens.")
fs.DurationVar(&s.Authentication.Webhook.CacheTTL.Duration, "authentication-token-webhook-cache-ttl", s.Authentication.Webhook.CacheTTL.Duration, ""+
"The duration to cache responses from the webhook token authenticator.")
fs.StringVar(&s.Authentication.X509.ClientCAFile, "client-ca-file", s.Authentication.X509.ClientCAFile, ""+
"If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file "+
"is authenticated with an identity corresponding to the CommonName of the client certificate.")
// Authorization
fs.StringVar((*string)(&s.Authorization.Mode), "authorization-mode", string(s.Authorization.Mode), ""+
"Authorization mode for Kubelet server. Valid options are AlwaysAllow or Webhook. "+
"Webhook mode uses the SubjectAccessReview API to determine authorization.")
fs.DurationVar(&s.Authorization.Webhook.CacheAuthorizedTTL.Duration, "authorization-webhook-cache-authorized-ttl", s.Authorization.Webhook.CacheAuthorizedTTL.Duration, ""+
"The duration to cache 'authorized' responses from the webhook authorizer.")
fs.DurationVar(&s.Authorization.Webhook.CacheUnauthorizedTTL.Duration, "authorization-webhook-cache-unauthorized-ttl", s.Authorization.Webhook.CacheUnauthorizedTTL.Duration, ""+
"The duration to cache 'unauthorized' responses from the webhook authorizer.")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key "+
"are generated for the public address and saved to the directory passed to --cert-dir.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.BootstrapKubeconfig, "experimental-bootstrap-kubeconfig", s.BootstrapKubeconfig, "<Warning: Experimental feature> Path to a kubeconfig file that will be used to get client certificate for kubelet. "+
"If the file specified by --kubeconfig does not exist, the bootstrap kubeconfig is used to request a client certificate from the API server. "+
"On success, a kubeconfig file referencing the generated key and obtained certificate is written to the path specified by --kubeconfig. "+
"The certificate and key file will be stored in the directory pointed by --cert-dir.")
fs.StringVar(&s.HostnameOverride, "hostname-override", s.HostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.StringVar(&s.PodInfraContainerImage, "pod-infra-container-image", s.PodInfraContainerImage, "The image whose network/ipc namespaces containers in each pod will use.")
fs.StringVar(&s.DockerEndpoint, "docker-endpoint", s.DockerEndpoint, "Use this for the docker endpoint to communicate with")
fs.StringVar(&s.RootDirectory, "root-dir", s.RootDirectory, "Directory path for managing kubelet files (volume mounts,etc).")
fs.StringVar(&s.SeccompProfileRoot, "seccomp-profile-root", s.SeccompProfileRoot, "Directory path for seccomp profiles.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow containers to request privileged mode. [default=false]")
fs.StringSliceVar(&s.HostNetworkSources, "host-network-sources", s.HostNetworkSources, "Comma-separated list of sources from which the Kubelet allows pods to use of host network. [default=\"*\"]")
fs.StringSliceVar(&s.HostPIDSources, "host-pid-sources", s.HostPIDSources, "Comma-separated list of sources from which the Kubelet allows pods to use the host pid namespace. [default=\"*\"]")
fs.StringSliceVar(&s.HostIPCSources, "host-ipc-sources", s.HostIPCSources, "Comma-separated list of sources from which the Kubelet allows pods to use the host ipc namespace. [default=\"*\"]")
fs.Int32Var(&s.RegistryPullQPS, "registry-qps", s.RegistryPullQPS, "If > 0, limit registry pull QPS to this value. If 0, unlimited. [default=5.0]")
fs.Int32Var(&s.RegistryBurst, "registry-burst", s.RegistryBurst, "Maximum size of a bursty pulls, temporarily allows pulls to burst to this number, while still not exceeding registry-qps. Only used if --registry-qps > 0")
fs.Int32Var(&s.EventRecordQPS, "event-qps", s.EventRecordQPS, "If > 0, limit event creations per second to this value. If 0, unlimited.")
fs.Int32Var(&s.EventBurst, "event-burst", s.EventBurst, "Maximum size of a bursty event records, temporarily allows event records to burst to this number, while still not exceeding event-qps. Only used if --event-qps > 0")
fs.BoolVar(&s.RunOnce, "runonce", s.RunOnce, "If true, exit after spawning pods from local manifests or remote urls. Exclusive with --api-servers, and --enable-server")
fs.BoolVar(&s.EnableDebuggingHandlers, "enable-debugging-handlers", s.EnableDebuggingHandlers, "Enables server endpoints for log collection and local running of containers and commands")
fs.DurationVar(&s.MinimumGCAge.Duration, "minimum-container-ttl-duration", s.MinimumGCAge.Duration, "Minimum age for a finished container before it is garbage collected. Examples: '300ms', '10s' or '2h45m'")
fs.MarkDeprecated("minimum-container-ttl-duration", "Use --eviction-hard or --eviction-soft instead. Will be removed in a future version.")
fs.Int32Var(&s.MaxPerPodContainerCount, "maximum-dead-containers-per-container", s.MaxPerPodContainerCount, "Maximum number of old instances to retain per container. Each container takes up some disk space. Default: 1.")
fs.MarkDeprecated("maximum-dead-containers-per-container", "Use --eviction-hard or --eviction-soft instead. Will be removed in a future version.")
fs.Int32Var(&s.MaxContainerCount, "maximum-dead-containers", s.MaxContainerCount, "Maximum number of old instances of containers to retain globally. Each container takes up some disk space. To disable, set to a negative number. Default: -1.")
fs.MarkDeprecated("maximum-dead-containers", "Use --eviction-hard or --eviction-soft instead. Will be removed in a future version.")
fs.Int32Var(&s.CAdvisorPort, "cadvisor-port", s.CAdvisorPort, "The port of the localhost cAdvisor endpoint")
fs.Int32Var(&s.HealthzPort, "healthz-port", s.HealthzPort, "The port of the localhost healthz endpoint")
fs.Var(componentconfig.IPVar{Val: &s.HealthzBindAddress}, "healthz-bind-address", "The IP address for the healthz server to serve on, defaulting to 127.0.0.1 (set to 0.0.0.0 for all interfaces)")
fs.Int32Var(&s.OOMScoreAdj, "oom-score-adj", s.OOMScoreAdj, "The oom-score-adj value for kubelet process. Values must be within the range [-1000, 1000]")
fs.BoolVar(&s.RegisterNode, "register-node", s.RegisterNode, "Register the node with the apiserver (defaults to true if --api-servers is set)")
fs.StringVar(&s.ClusterDomain, "cluster-domain", s.ClusterDomain, "Domain for this cluster. If set, kubelet will configure all containers to search this domain in addition to the host's search domains")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.StringVar(&s.ClusterDNS, "cluster-dns", s.ClusterDNS, "IP address for a cluster DNS server. This value is used for containers' DNS server in case of Pods with \"dnsPolicy=ClusterFirst\"")
fs.DurationVar(&s.StreamingConnectionIdleTimeout.Duration, "streaming-connection-idle-timeout", s.StreamingConnectionIdleTimeout.Duration, "Maximum time a streaming connection can be idle before the connection is automatically closed. 0 indicates no timeout. Example: '5m'")
fs.DurationVar(&s.NodeStatusUpdateFrequency.Duration, "node-status-update-frequency", s.NodeStatusUpdateFrequency.Duration, "Specifies how often kubelet posts node status to master. Note: be cautious when changing the constant, it must work with nodeMonitorGracePeriod in nodecontroller. Default: 10s")
s.NodeLabels = make(map[string]string)
bindableNodeLabels := utilconfig.ConfigurationMap(s.NodeLabels)
fs.Var(&bindableNodeLabels, "node-labels", "<Warning: Alpha feature> Labels to add when registering the node in the cluster. Labels must be key=value pairs separated by ','.")
fs.DurationVar(&s.ImageMinimumGCAge.Duration, "minimum-image-ttl-duration", s.ImageMinimumGCAge.Duration, "Minimum age for an unused image before it is garbage collected. Examples: '300ms', '10s' or '2h45m'. Default: '2m'")
fs.Int32Var(&s.ImageGCHighThresholdPercent, "image-gc-high-threshold", s.ImageGCHighThresholdPercent, "The percent of disk usage after which image garbage collection is always run. Default: 90%")
fs.Int32Var(&s.ImageGCLowThresholdPercent, "image-gc-low-threshold", s.ImageGCLowThresholdPercent, "The percent of disk usage before which image garbage collection is never run. Lowest disk usage to garbage collect to. Default: 80%")
fs.Int32Var(&s.LowDiskSpaceThresholdMB, "low-diskspace-threshold-mb", s.LowDiskSpaceThresholdMB, "The absolute free disk space, in MB, to maintain. When disk space falls below this threshold, new pods would be rejected. Default: 256")
fs.DurationVar(&s.VolumeStatsAggPeriod.Duration, "volume-stats-agg-period", s.VolumeStatsAggPeriod.Duration, "Specifies interval for kubelet to calculate and cache the volume disk usage for all pods and volumes. To disable volume calculations, set to 0. Default: '1m'")
fs.StringVar(&s.NetworkPluginName, "network-plugin", s.NetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
fs.StringVar(&s.NetworkPluginDir, "network-plugin-dir", s.NetworkPluginDir, "<Warning: Alpha feature> The full path of the directory in which to search for network plugins or CNI config")
fs.StringVar(&s.CNIConfDir, "cni-conf-dir", s.CNIConfDir, "<Warning: Alpha feature> The full path of the directory in which to search for CNI config files. Default: /etc/cni/net.d")
fs.StringVar(&s.CNIBinDir, "cni-bin-dir", s.CNIBinDir, "<Warning: Alpha feature> The full path of the directory in which to search for CNI plugin binaries. Default: /opt/cni/bin")
fs.Int32Var(&s.NetworkPluginMTU, "network-plugin-mtu", s.NetworkPluginMTU, "<Warning: Alpha feature> The MTU to be passed to the network plugin, to override the default. Set to 0 to use the default 1460 MTU.")
fs.StringVar(&s.VolumePluginDir, "volume-plugin-dir", s.VolumePluginDir, "<Warning: Alpha feature> The full path of the directory in which to search for additional third party volume plugins")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. By default, kubelet will attempt to auto-detect the cloud provider. Specify empty string for running with no cloud provider. [default=auto-detect]")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringVar(&s.FeatureGates, "feature-gates", s.FeatureGates, "A set of key=value pairs that describe feature gates for alpha/experimental features. "+
"Options are:\n"+strings.Join(utilconfig.DefaultFeatureGate.KnownFeatures(), "\n"))
fs.StringVar(&s.KubeletCgroups, "resource-container", s.KubeletCgroups, "Optional absolute name of the resource-only container to create and run the Kubelet in.")
fs.MarkDeprecated("resource-container", "Use --kubelet-cgroups instead. Will be removed in a future version.")
fs.StringVar(&s.KubeletCgroups, "kubelet-cgroups", s.KubeletCgroups, "Optional absolute name of cgroups to create and run the Kubelet in.")
fs.StringVar(&s.SystemCgroups, "system-container", s.SystemCgroups, "Optional resource-only container in which to place all non-kernel processes that are not already in a container. Empty for no container. Rolling back the flag requires a reboot. (Default: \"\").")
fs.MarkDeprecated("system-container", "Use --system-cgroups instead. Will be removed in a future version.")
fs.StringVar(&s.SystemCgroups, "system-cgroups", s.SystemCgroups, "Optional absolute name of cgroups in which to place all non-kernel processes that are not already inside a cgroup under `/`. Empty for no container. Rolling back the flag requires a reboot. (Default: \"\").")
fs.BoolVar(&s.ExperimentalCgroupsPerQOS, "experimental-cgroups-per-qos", s.ExperimentalCgroupsPerQOS, "Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created.")
fs.StringVar(&s.CgroupDriver, "cgroup-driver", s.CgroupDriver, "Driver that the kubelet uses to manipulate cgroups on the host. Possible values: 'cgroupfs', 'systemd'")
fs.StringVar(&s.CgroupRoot, "cgroup-root", s.CgroupRoot, "Optional root cgroup to use for pods. This is handled by the container runtime on a best effort basis. Default: '', which means use the container runtime default.")
fs.StringVar(&s.ContainerRuntime, "container-runtime", s.ContainerRuntime, "The container runtime to use. Possible values: 'docker', 'rkt'. Default: 'docker'.")
fs.DurationVar(&s.RuntimeRequestTimeout.Duration, "runtime-request-timeout", s.RuntimeRequestTimeout.Duration, "Timeout of all runtime requests except long running request - pull, logs, exec and attach. When timeout exceeded, kubelet will cancel the request, throw out an error and retry later. Default: 2m0s")
fs.StringVar(&s.LockFilePath, "lock-file", s.LockFilePath, "<Warning: Alpha feature> The path to file for kubelet to use as a lock file.")
fs.BoolVar(&s.ExitOnLockContention, "exit-on-lock-contention", s.ExitOnLockContention, "Whether kubelet should exit upon lock-file contention.")
fs.StringVar(&s.RktPath, "rkt-path", s.RktPath, "Path of rkt binary. Leave empty to use the first rkt in $PATH. Only used if --container-runtime='rkt'.")
fs.StringVar(&s.ExperimentalMounterPath, "experimental-mounter-path", s.ExperimentalMounterPath, "[Experimental] Path of mounter binary. Leave empty to use the default mount.")
fs.StringVar(&s.RktAPIEndpoint, "rkt-api-endpoint", s.RktAPIEndpoint, "The endpoint of the rkt API service to communicate with. Only used if --container-runtime='rkt'.")
fs.StringVar(&s.RktStage1Image, "rkt-stage1-image", s.RktStage1Image, "image to use as stage1. Local paths and http/https URLs are supported. If empty, the 'stage1.aci' in the same directory as '--rkt-path' will be used.")
fs.MarkDeprecated("rkt-stage1-image", "Will be removed in a future version. The default stage1 image will be specified by the rkt configurations, see https://github.com/coreos/rkt/blob/master/Documentation/configuration.md for more details.")
fs.StringVar(&s.HairpinMode, "hairpin-mode", s.HairpinMode, "How should the kubelet setup hairpin NAT. This allows endpoints of a Service to loadbalance back to themselves if they should try to access their own Service. Valid values are \"promiscuous-bridge\", \"hairpin-veth\" and \"none\".")
fs.BoolVar(&s.BabysitDaemons, "babysit-daemons", s.BabysitDaemons, "If true, the node has babysitter process monitoring docker and kubelet.")
fs.MarkDeprecated("babysit-daemons", "Will be removed in a future version.")
fs.Int32Var(&s.MaxPods, "max-pods", s.MaxPods, "Number of Pods that can run on this Kubelet.")
fs.Int32Var(&s.NvidiaGPUs, "experimental-nvidia-gpus", s.NvidiaGPUs, "Number of NVIDIA GPU devices on this node. Only 0 (default) and 1 are currently supported.")
fs.StringVar(&s.DockerExecHandlerName, "docker-exec-handler", s.DockerExecHandlerName, "Handler to use when executing a command in a container. Valid values are 'native' and 'nsenter'. Defaults to 'native'.")
fs.StringVar(&s.NonMasqueradeCIDR, "non-masquerade-cidr", s.NonMasqueradeCIDR, "Traffic to IPs outside this range will use IP masquerade.")
fs.StringVar(&s.PodCIDR, "pod-cidr", "", "The CIDR to use for pod IP addresses, only used in standalone mode. In cluster mode, this is obtained from the master.")
fs.StringVar(&s.ResolverConfig, "resolv-conf", s.ResolverConfig, "Resolver configuration file used as the basis for the container DNS resolution configuration.")
fs.BoolVar(&s.CPUCFSQuota, "cpu-cfs-quota", s.CPUCFSQuota, "Enable CPU CFS quota enforcement for containers that specify CPU limits")
fs.BoolVar(&s.EnableControllerAttachDetach, "enable-controller-attach-detach", s.EnableControllerAttachDetach, "Enables the Attach/Detach controller to manage attachment/detachment of volumes scheduled to this node, and disables kubelet from executing any attach/detach operations")
fs.BoolVar(&s.MakeIPTablesUtilChains, "make-iptables-util-chains", s.MakeIPTablesUtilChains, "If true, kubelet will ensure iptables utility rules are present on host.")
fs.Int32Var(&s.IPTablesMasqueradeBit, "iptables-masquerade-bit", s.IPTablesMasqueradeBit, "The bit of the fwmark space to mark packets for SNAT. Must be within the range [0, 31]. Please match this parameter with corresponding parameter in kube-proxy.")
fs.Int32Var(&s.IPTablesDropBit, "iptables-drop-bit", s.IPTablesDropBit, "The bit of the fwmark space to mark packets for dropping. Must be within the range [0, 31].")
fs.StringSliceVar(&s.AllowedUnsafeSysctls, "experimental-allowed-unsafe-sysctls", s.AllowedUnsafeSysctls, "Comma-separated whitelist of unsafe sysctls or unsafe sysctl patterns (ending in *). Use these at your own risk.")
// Flags intended for testing, not recommended used in production environments.
fs.BoolVar(&s.ReallyCrashForTesting, "really-crash-for-testing", s.ReallyCrashForTesting, "If true, when panics occur crash. Intended for testing.")
fs.Float64Var(&s.ChaosChance, "chaos-chance", s.ChaosChance, "If > 0.0, introduce random client errors and latency. Intended for testing. [default=0.0]")
fs.BoolVar(&s.Containerized, "containerized", s.Containerized, "Experimental support for running kubelet in a container. Intended for testing. [default=false]")
fs.Int64Var(&s.MaxOpenFiles, "max-open-files", s.MaxOpenFiles, "Number of files that can be opened by Kubelet process. [default=1000000]")
fs.BoolVar(&s.ReconcileCIDR, "reconcile-cidr", s.ReconcileCIDR, "Reconcile node CIDR with the CIDR specified by the API server. This flag has no function anymore.")
fs.MarkDeprecated("reconcile-cidr", "The old --configure-cbr0 networking mode has been removed, so this flag has no function anymore. Will be removed in v1.6.")
fs.Var(&s.SystemReserved, "system-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G) pairs that describe resources reserved for non-kubernetes components. Currently only cpu and memory are supported. See http://kubernetes.io/docs/user-guide/compute-resources for more detail. [default=none]")
fs.Var(&s.KubeReserved, "kube-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G) pairs that describe resources reserved for kubernetes system components. Currently only cpu and memory are supported. See http://kubernetes.io/docs/user-guide/compute-resources for more detail. [default=none]")
fs.BoolVar(&s.RegisterSchedulable, "register-schedulable", s.RegisterSchedulable, "Register the node as schedulable. Won't have any effect if register-node is false. [default=true]")
fs.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "Content type of requests sent to apiserver.")
fs.Int32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
fs.Int32Var(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
fs.BoolVar(&s.SerializeImagePulls, "serialize-image-pulls", s.SerializeImagePulls, "Pull images one at a time. We recommend *not* changing the default value on nodes that run docker daemon with version < 1.9 or an Aufs storage backend. Issue #10959 has more details. [default=true]")
fs.DurationVar(&s.OutOfDiskTransitionFrequency.Duration, "outofdisk-transition-frequency", s.OutOfDiskTransitionFrequency.Duration, "Duration for which the kubelet has to wait before transitioning out of out-of-disk node condition status. Default: 5m0s")
fs.StringVar(&s.NodeIP, "node-ip", s.NodeIP, "IP address of the node. If set, kubelet will use this IP address for the node")
fs.BoolVar(&s.EnableCustomMetrics, "enable-custom-metrics", s.EnableCustomMetrics, "Support for gathering custom metrics.")
fs.StringVar(&s.RuntimeCgroups, "runtime-cgroups", s.RuntimeCgroups, "Optional absolute name of cgroups to create and run the runtime in.")
fs.StringVar(&s.EvictionHard, "eviction-hard", s.EvictionHard, "A set of eviction thresholds (e.g. memory.available<1Gi) that if met would trigger a pod eviction.")
fs.StringVar(&s.EvictionSoft, "eviction-soft", s.EvictionSoft, "A set of eviction thresholds (e.g. memory.available<1.5Gi) that if met over a corresponding grace period would trigger a pod eviction.")
fs.StringVar(&s.EvictionSoftGracePeriod, "eviction-soft-grace-period", s.EvictionSoftGracePeriod, "A set of eviction grace periods (e.g. memory.available=1m30s) that correspond to how long a soft eviction threshold must hold before triggering a pod eviction.")
fs.DurationVar(&s.EvictionPressureTransitionPeriod.Duration, "eviction-pressure-transition-period", s.EvictionPressureTransitionPeriod.Duration, "Duration for which the kubelet has to wait before transitioning out of an eviction pressure condition.")
fs.Int32Var(&s.EvictionMaxPodGracePeriod, "eviction-max-pod-grace-period", s.EvictionMaxPodGracePeriod, "Maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met. If negative, defer to pod specified value.")
fs.StringVar(&s.EvictionMinimumReclaim, "eviction-minimum-reclaim", s.EvictionMinimumReclaim, "A set of minimum reclaims (e.g. imagefs.available=2Gi) that describes the minimum amount of resource the kubelet will reclaim when performing a pod eviction if that resource is under pressure.")
fs.Int32Var(&s.PodsPerCore, "pods-per-core", s.PodsPerCore, "Number of Pods per core that can run on this Kubelet. The total number of Pods on this Kubelet cannot exceed max-pods, so max-pods will be used if this calculation results in a larger number of Pods allowed on the Kubelet. A value of 0 disables this limit.")
fs.BoolVar(&s.ProtectKernelDefaults, "protect-kernel-defaults", s.ProtectKernelDefaults, "Default kubelet behaviour for kernel tuning. If set, kubelet errors if any of kernel tunables is different than kubelet defaults.")
// CRI flags.
fs.BoolVar(&s.EnableCRI, "experimental-cri", s.EnableCRI, "[Experimental] Enable the Container Runtime Interface (CRI) integration. If --container-runtime is set to \"remote\", Kubelet will communicate with the runtime/image CRI server listening on the endpoint specified by --remote-runtime-endpoint/--remote-image-endpoint. If --container-runtime is set to \"docker\", Kubelet will launch a in-process CRI server on behalf of docker, and communicate over a default endpoint.")
fs.StringVar(&s.RemoteRuntimeEndpoint, "container-runtime-endpoint", s.RemoteRuntimeEndpoint, "[Experimental] The unix socket endpoint of remote runtime service. The endpoint is used only when CRI integration is enabled (--experimental-cri)")
fs.StringVar(&s.RemoteImageEndpoint, "image-service-endpoint", s.RemoteImageEndpoint, "[Experimental] The unix socket endpoint of remote image service. If not specified, it will be the same with container-runtime-endpoint by default. The endpoint is used only when CRI integration is enabled (--experimental-cri)")
fs.BoolVar(&s.ExperimentalCheckNodeCapabilitiesBeforeMount, "experimental-check-node-capabilities-before-mount", s.ExperimentalCheckNodeCapabilitiesBeforeMount, "[Experimental] if set true, the kubelet will check the underlying node for required componenets (binaries, etc.) before performing the mount")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddUniversalFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, ""+
"Ordered list of plug-ins to do admission control of resources into cluster. "+
"Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", ")+".")
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile,
"File with admission control configuration.")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.StringVar(&s.AuthorizationMode, "authorization-mode", s.AuthorizationMode, ""+
"Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+
strings.Join(AuthorizationModeChoices, ",")+".")
fs.StringVar(&s.AuthorizationPolicyFile, "authorization-policy-file", s.AuthorizationPolicyFile, ""+
"File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.AuthorizationWebhookConfigFile, "authorization-webhook-config-file", s.AuthorizationWebhookConfigFile, ""+
"File with webhook configuration in kubeconfig format, used with --authorization-mode=Webhook. "+
"The API server will query the remote service to determine access on the API server's secure port.")
fs.DurationVar(&s.AuthorizationWebhookCacheAuthorizedTTL, "authorization-webhook-cache-authorized-ttl",
s.AuthorizationWebhookCacheAuthorizedTTL,
"The duration to cache 'authorized' responses from the webhook authorizer. Default is 5m.")
fs.DurationVar(&s.AuthorizationWebhookCacheUnauthorizedTTL,
"authorization-webhook-cache-unauthorized-ttl", s.AuthorizationWebhookCacheUnauthorizedTTL,
"The duration to cache 'unauthorized' responses from the webhook authorizer. Default is 30s.")
fs.StringVar(&s.AuthorizationRBACSuperUser, "authorization-rbac-super-user", s.AuthorizationRBACSuperUser, ""+
"If specified, a username which avoids RBAC authorization checks and role binding "+
"privilege escalation checks, to be used with --authorization-mode=RBAC.")
fs.BoolVar(&s.AnonymousAuth, "anonymous-auth", s.AnonymousAuth, ""+
"Enables anonymous requests to the secure port of the API server. "+
"Requests that are not rejected by another authentication method are treated as anonymous requests. "+
"Anonymous requests have a username of system:anonymous, and a group name of system:unauthenticated.")
fs.StringVar(&s.BasicAuthFile, "basic-auth-file", s.BasicAuthFile, ""+
"If set, the file that will be used to admit requests to the secure port of the API server "+
"via http basic authentication.")
fs.IPVar(&s.BindAddress, "public-address-override", s.BindAddress,
"DEPRECATED: see --bind-address instead.")
fs.MarkDeprecated("public-address-override", "see --bind-address instead.")
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, ""+
"The IP address on which to listen for the --secure-port port. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, ""+
"The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.ClientCAFile, "client-ca-file", s.ClientCAFile, ""+
"If set, any request presenting a client certificate signed by one of "+
"the authorities in the client-ca-file is authenticated with an identity "+
"corresponding to the CommonName of the client certificate.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider,
"The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile,
"The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, ""+
"List of allowed origins for CORS, comma separated. An allowed origin can be a regular "+
"expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.StringVar(&s.DefaultStorageMediaType, "storage-media-type", s.DefaultStorageMediaType, ""+
"The media type to use to store objects in storage. Defaults to application/json. "+
"Some resources may only support a specific media type and will ignore this setting.")
fs.IntVar(&s.DeleteCollectionWorkers, "delete-collection-workers", s.DeleteCollectionWorkers,
"Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup.")
fs.StringVar(&s.AuditLogPath, "audit-log-path", s.AuditLogPath,
"If set, all requests coming to the apiserver will be logged to this file.")
fs.IntVar(&s.AuditLogMaxAge, "audit-log-maxage", s.AuditLogMaxBackups,
"The maximum number of days to retain old audit log files based on the timestamp encoded in their filename.")
fs.IntVar(&s.AuditLogMaxBackups, "audit-log-maxbackup", s.AuditLogMaxBackups,
"The maximum number of old audit log files to retain.")
fs.IntVar(&s.AuditLogMaxSize, "audit-log-maxsize", s.AuditLogMaxSize,
"The maximum size in megabytes of the audit log file before it gets rotated. Defaults to 100MB.")
fs.BoolVar(&s.EnableGarbageCollection, "enable-garbage-collector", s.EnableGarbageCollection, ""+
"Enables the generic garbage collector. MUST be synced with the corresponding flag "+
"of the kube-controller-manager.")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling,
"Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&s.EnableContentionProfiling, "contention-profiling", s.EnableContentionProfiling,
"Enable contention profiling. Requires --profiling to be set to work.")
fs.BoolVar(&s.EnableSwaggerUI, "enable-swagger-ui", s.EnableSwaggerUI,
"Enables swagger ui on the apiserver at /swagger-ui")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", s.EnableWatchCache,
"Enable watch caching in the apiserver")
fs.IntVar(&s.TargetRAMMB, "target-ram-mb", s.TargetRAMMB,
"Memory limit for apiserver in MB (used to configure sizes of caches, etc.)")
fs.StringVar(&s.ExternalHost, "external-hostname", s.ExternalHost,
"The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs).")
fs.IPVar(&s.InsecureBindAddress, "insecure-bind-address", s.InsecureBindAddress, ""+
"The IP address on which to serve the --insecure-port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.IPVar(&s.InsecureBindAddress, "address", s.InsecureBindAddress,
"DEPRECATED: see --insecure-bind-address instead.")
fs.MarkDeprecated("address", "see --insecure-bind-address instead.")
fs.IntVar(&s.InsecurePort, "insecure-port", s.InsecurePort, ""+
"The port on which to serve unsecured, unauthenticated access. Default 8080. It is assumed "+
"that firewall rules are set up such that this port is not reachable from outside of "+
"the cluster and that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
fs.IntVar(&s.InsecurePort, "port", s.InsecurePort, "DEPRECATED: see --insecure-port instead.")
fs.MarkDeprecated("port", "see --insecure-port instead.")
fs.StringVar(&s.KeystoneURL, "experimental-keystone-url", s.KeystoneURL,
"If passed, activates the keystone authentication plugin.")
fs.StringVar(&s.KeystoneCAFile, "experimental-keystone-ca-file", s.KeystoneCAFile, ""+
"If set, the Keystone server's certificate will be verified by one of the authorities "+
"in the experimental-keystone-ca-file, otherwise the host's root CA set will be used.")
// See #14282 for details on how to test/try this option out.
// TODO: remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", s.KubernetesServiceNodePort, ""+
"If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be "+
"of type NodePort, using this as the value of the port. If zero, the Kubernetes master "+
"service will be of type ClusterIP.")
fs.StringVar(&s.LongRunningRequestRE, "long-running-request-regexp", s.LongRunningRequestRE, ""+
"A regular expression matching long running requests which should "+
"be excluded from maximum inflight request handling.")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount,
"The number of apiservers running in the cluster.")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, ""+
"DEPRECATED: the namespace from which the kubernetes master services should be injected into pods.")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", s.MaxRequestsInFlight, ""+
"The maximum number of requests in flight at a given time. When the server exceeds this, "+
"it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", s.MinRequestTimeout, ""+
"An optional field indicating the minimum number of seconds a handler must keep "+
"a request open before timing it out. Currently only honored by the watch request "+
"handler, which picks a randomized value above this number as the connection timeout, "+
"to spread out load.")
fs.StringVar(&s.OIDCIssuerURL, "oidc-issuer-url", s.OIDCIssuerURL, ""+
"The URL of the OpenID issuer, only HTTPS scheme will be accepted. "+
"If set, it will be used to verify the OIDC JSON Web Token (JWT).")
fs.StringVar(&s.OIDCClientID, "oidc-client-id", s.OIDCClientID,
"The client ID for the OpenID Connect client, must be set if oidc-issuer-url is set.")
fs.StringVar(&s.OIDCCAFile, "oidc-ca-file", s.OIDCCAFile, ""+
"If set, the OpenID server's certificate will be verified by one of the authorities "+
"in the oidc-ca-file, otherwise the host's root CA set will be used.")
fs.StringVar(&s.OIDCUsernameClaim, "oidc-username-claim", "sub", ""+
"The OpenID claim to use as the user name. Note that claims other than the default ('sub') "+
"is not guaranteed to be unique and immutable. This flag is experimental, please see "+
"the authentication documentation for further details.")
fs.StringVar(&s.OIDCGroupsClaim, "oidc-groups-claim", "", ""+
"If provided, the name of a custom OpenID Connect claim for specifying user groups. "+
"The claim value is expected to be a string or array of strings. This flag is experimental, "+
"please see the authentication documentation for further details.")
fs.StringSliceVar(&s.RequestHeaderUsernameHeaders, "requestheader-username-headers", s.RequestHeaderUsernameHeaders, ""+
"List of request headers to inspect for usernames. X-Remote-User is common.")
fs.StringVar(&s.RequestHeaderClientCAFile, "requestheader-client-ca-file", s.RequestHeaderClientCAFile, ""+
"Root certificate bundle to use to verify client certificates on incoming requests "+
"before trusting usernames in headers specified by --requestheader-username-headers")
fs.StringSliceVar(&s.RequestHeaderAllowedNames, "requestheader-allowed-names", s.RequestHeaderAllowedNames, ""+
"List of client certificate common names to allow to provide usernames in headers "+
"specified by --requestheader-username-headers. If empty, any client certificate validated "+
"by the authorities in --requestheader-client-ca-file is allowed.")
fs.Var(&s.RuntimeConfig, "runtime-config", ""+
"A set of key=value pairs that describe runtime configuration that may be passed "+
"to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. "+
"apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and "+
"api/legacy are special keys to control all and legacy api versions respectively.")
fs.IntVar(&s.SecurePort, "secure-port", s.SecurePort, ""+
"The port on which to serve HTTPS with authentication and authorization. If 0, "+
"don't serve HTTPS at all.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, ""+
"A CIDR notation IP range from which to assign service cluster IPs. This must not "+
"overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange,
"DEPRECATED: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", ""+
"A port range to reserve for services with NodePort visibility. "+
"Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "DEPRECATED: see --service-node-port-range instead")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type,
"The storage backend for persistence. Options: 'etcd2' (default), 'etcd3'.")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize,
"Number of deserialized json objects to cache in memory.")
deprecatedStorageVersion := ""
fs.StringVar(&deprecatedStorageVersion, "storage-version", deprecatedStorageVersion,
"DEPRECATED: the version to store the legacy v1 resources with. Defaults to server preferred.")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API "+
"is retired. Setting this has no effect. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, ""+
"The per-group version to store resources in. "+
"Specified in the format \"group1/version1,group2/version2,...\". "+
"In the case where objects are moved from one group to the other, "+
"you may specify the format \"group1=group2/v1beta1,group3/v1beta1,...\". "+
"You only need to pass the groups you wish to change from the defaults. "+
"It defaults to a list of preferred versions of all registered groups, "+
"which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringVar(&s.TLSCAFile, "tls-ca-file", s.TLSCAFile, "If set, this "+
"certificate authority will used for secure access from Admission "+
"Controllers. This must be a valid PEM-encoded CA bundle.")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated "+
"after server cert). If HTTPS serving is enabled, and --tls-cert-file and "+
"--tls-private-key-file are not provided, a self-signed certificate and key "+
"are generated for the public address and saved to /var/run/kubernetes.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile,
"File containing the default x509 private key matching --tls-cert-file.")
fs.Var(config.NewNamedCertKeyArray(&s.SNICertKeys), "tls-sni-cert-key", ""+
"A pair of x509 certificate and private key file paths, optionally suffixed with a list of "+
"domain patterns which are fully qualified domain names, possibly with prefixed wildcard "+
"segments. If no domain patterns are provided, the names of the certificate are "+
"extracted. Non-wildcard matches trump over wildcard matches, explicit domain patterns "+
"trump over extracted names. For multiple key/certificate pairs, use the "+
"--tls-sni-cert-key multiple times. "+
"Examples: \"example.key,example.crt\" or \"*.foo.com,foo.com:foo.key,foo.crt\".")
fs.StringVar(&s.TokenAuthFile, "token-auth-file", s.TokenAuthFile, ""+
"If set, the file that will be used to secure the secure port of the API server "+
"via token authentication.")
fs.BoolVar(&s.EnableAnyToken, "insecure-allow-any-token", s.EnableAnyToken, ""+
"If set, your server will be INSECURE. Any token will be allowed and user information will be parsed "+
"from the token as `username/group1,group2`")
fs.StringSliceVar(&s.WatchCacheSizes, "watch-cache-sizes", s.WatchCacheSizes, ""+
"List of watch cache sizes for every resource (pods, nodes, etc.), comma separated. "+
"The individual override format: resource#size, where size is a number. It takes effect "+
"when watch-cache is enabled.")
config.DefaultFeatureGate.AddFlag(fs)
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
// Add the generic flags.
s.GenericServerRunOptions.AddUniversalFlags(fs)
s.Etcd.AddFlags(fs)
s.SecureServing.AddFlags(fs)
s.SecureServing.AddDeprecatedFlags(fs)
s.InsecureServing.AddFlags(fs)
s.InsecureServing.AddDeprecatedFlags(fs)
s.Authentication.AddFlags(fs)
s.Authorization.AddFlags(fs)
s.CloudProvider.AddFlags(fs)
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL,
"Amount of time to retain events. Default is 1h.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged,
"If true, allow privileged containers.")
fs.StringVar(&s.SSHUser, "ssh-user", s.SSHUser,
"If non-empty, use secure SSH proxy to the nodes, using this user name")
fs.StringVar(&s.SSHKeyfile, "ssh-keyfile", s.SSHKeyfile,
"If non-empty, use secure SSH proxy to the nodes, using this user keyfile")
fs.Int64Var(&s.MaxConnectionBytesPerSec, "max-connection-bytes-per-sec", s.MaxConnectionBytesPerSec, ""+
"If non-zero, throttle each user connection to this number of bytes/sec. "+
"Currently only applies to long-running requests.")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount,
"The number of apiservers running in the cluster, must be a positive number.")
// See #14282 for details on how to test/try this option out.
// TODO: remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", s.KubernetesServiceNodePort, ""+
"If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be "+
"of type NodePort, using this as the value of the port. If zero, the Kubernetes master "+
"service will be of type ClusterIP.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, ""+
"A CIDR notation IP range from which to assign service cluster IPs. This must not "+
"overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange,
"DEPRECATED: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", ""+
"A port range to reserve for services with NodePort visibility. "+
"Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "DEPRECATED: see --service-node-port-range instead")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead")
// Kubelet related flags:
fs.BoolVar(&s.KubeletConfig.EnableHttps, "kubelet-https", s.KubeletConfig.EnableHttps,
"Use https for kubelet connections.")
fs.StringSliceVar(&s.KubeletConfig.PreferredAddressTypes, "kubelet-preferred-address-types", s.KubeletConfig.PreferredAddressTypes,
"List of the preferred NodeAddressTypes to use for kubelet connections.")
fs.UintVar(&s.KubeletConfig.Port, "kubelet-port", s.KubeletConfig.Port,
"DEPRECATED: kubelet port.")
fs.MarkDeprecated("kubelet-port", "kubelet-port is deprecated and will be removed.")
fs.UintVar(&s.KubeletConfig.ReadOnlyPort, "kubelet-read-only-port", s.KubeletConfig.ReadOnlyPort,
"DEPRECATED: kubelet port.")
fs.DurationVar(&s.KubeletConfig.HTTPTimeout, "kubelet-timeout", s.KubeletConfig.HTTPTimeout,
"Timeout for kubelet operations.")
fs.StringVar(&s.KubeletConfig.CertFile, "kubelet-client-certificate", s.KubeletConfig.CertFile,
"Path to a client cert file for TLS.")
fs.StringVar(&s.KubeletConfig.KeyFile, "kubelet-client-key", s.KubeletConfig.KeyFile,
"Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.CAFile, "kubelet-certificate-authority", s.KubeletConfig.CAFile,
"Path to a cert file for the certificate authority.")
// TODO: delete this flag as soon as we identify and fix all clients that send malformed updates, like #14126.
fs.BoolVar(&validation.RepairMalformedUpdates, "repair-malformed-updates", validation.RepairMalformedUpdates, ""+
"If true, server will do its best to fix the update request to pass the validation, "+
"e.g., setting empty UID in update request to its existing value. This flag can be turned off "+
"after we fix all the clients that send malformed updates.")
}
func (s *SchedulerServer) addCoreFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.port, "port", s.port, "The port that the scheduler's http service runs on")
fs.IPVar(&s.address, "address", s.address, "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
fs.BoolVar(&s.enableProfiling, "profiling", s.enableProfiling, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringSliceVar(&s.apiServerList, "api-servers", s.apiServerList, "List of Kubernetes API servers for publishing events, and reading pods and services. (ip:port), comma separated.")
fs.StringVar(&s.kubeconfig, "kubeconfig", s.kubeconfig, "Path to kubeconfig file with authorization and master location information used by the scheduler.")
fs.Float32Var(&s.kubeAPIQPS, "kube-api-qps", s.kubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
fs.IntVar(&s.kubeAPIBurst, "kube-api-burst", s.kubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
fs.StringSliceVar(&s.etcdServerList, "etcd-servers", s.etcdServerList, "List of etcd servers to watch (http://ip:port), comma separated.")
fs.BoolVar(&s.allowPrivileged, "allow-privileged", s.allowPrivileged, "Enable privileged containers in the kubelet (compare the same flag in the apiserver).")
fs.StringVar(&s.clusterDomain, "cluster-domain", s.clusterDomain, "Domain for this cluster. If set, kubelet will configure all containers to search this domain in addition to the host's search domains")
fs.IPVar(&s.clusterDNS, "cluster-dns", s.clusterDNS, "IP address for a cluster DNS server. If set, kubelet will configure all containers to use this for DNS resolution in addition to the host's DNS servers")
fs.StringVar(&s.staticPodsConfigPath, "static-pods-config", s.staticPodsConfigPath, "Path for specification of static pods. Path should point to dir containing the staticPods configuration files. Defaults to none.")
fs.StringVar(&s.mesosMaster, "mesos-master", s.mesosMaster, "Location of the Mesos master. The format is a comma-delimited list of of hosts like zk://host1:port,host2:port/mesos. If using ZooKeeper, pay particular attention to the leading zk:// and trailing /mesos! If not using ZooKeeper, standard URLs like http://localhost are also acceptable.")
fs.StringVar(&s.mesosUser, "mesos-user", s.mesosUser, "Mesos user for this framework, defaults to root.")
fs.StringSliceVar(&s.frameworkRoles, "mesos-framework-roles", s.frameworkRoles, "Mesos framework roles that the scheduler receives offers for. Currently only \"*\" and optionally one additional role are supported.")
fs.StringSliceVar(&s.defaultPodRoles, "mesos-default-pod-roles", s.defaultPodRoles, "Roles that will be used to launch pods having no "+meta.RolesKey+" label.")
fs.StringVar(&s.mesosAuthPrincipal, "mesos-authentication-principal", s.mesosAuthPrincipal, "Mesos authentication principal.")
fs.StringVar(&s.mesosAuthSecretFile, "mesos-authentication-secret-file", s.mesosAuthSecretFile, "Mesos authentication secret file.")
fs.StringVar(&s.mesosAuthProvider, "mesos-authentication-provider", s.mesosAuthProvider, fmt.Sprintf("Authentication provider to use, default is SASL that supports mechanisms: %+v", mech.ListSupported()))
fs.StringVar(&s.dockerCfgPath, "dockercfg-path", s.dockerCfgPath, "Path to a dockercfg file that will be used by the docker instance of the minions.")
fs.StringVar(&s.mesosCgroupPrefix, "mesos-cgroup-prefix", s.mesosCgroupPrefix, "The cgroup prefix concatenated with MESOS_DIRECTORY must give the executor cgroup set by Mesos")
fs.Var(&s.mesosExecutorCPUs, "mesos-executor-cpus", "Initial CPU shares to allocate for each Mesos executor container.")
fs.Var(&s.mesosExecutorMem, "mesos-executor-mem", "Initial memory (MB) to allocate for each Mesos executor container.")
fs.BoolVar(&s.checkpoint, "checkpoint", s.checkpoint, "Enable/disable checkpointing for the kubernetes-mesos framework.")
fs.Float64Var(&s.failoverTimeout, "failover-timeout", s.failoverTimeout, fmt.Sprintf("Framework failover timeout, in sec."))
fs.BoolVar(&s.generateTaskDiscovery, "mesos-generate-task-discovery", s.generateTaskDiscovery, "Enable/disable generation of DiscoveryInfo for Mesos tasks.")
fs.UintVar(&s.driverPort, "driver-port", s.driverPort, "Port that the Mesos scheduler driver process should listen on.")
fs.StringVar(&s.hostnameOverride, "hostname-override", s.hostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.Int64Var(&s.reconcileInterval, "reconcile-interval", s.reconcileInterval, "Interval at which to execute task reconciliation, in sec. Zero disables.")
fs.DurationVar(&s.reconcileCooldown, "reconcile-cooldown", s.reconcileCooldown, "Minimum rest period between task reconciliation operations.")
fs.StringVar(&s.schedulerConfigFileName, "scheduler-config", s.schedulerConfigFileName, "An ini-style configuration file with low-level scheduler settings.")
fs.BoolVar(&s.graceful, "graceful", s.graceful, "Indicator of a graceful failover, intended for internal use only.")
fs.BoolVar(&s.ha, "ha", s.ha, "Run the scheduler in high availability mode with leader election. All peers should be configured exactly the same.")
fs.StringVar(&s.frameworkName, "framework-name", s.frameworkName, "The framework name to register with Mesos.")
fs.StringVar(&s.frameworkStoreURI, "framework-store-uri", s.frameworkStoreURI, "Where the framework should store metadata, either in Zookeeper (zk://host:port/path) or in etcd (etcd://path).")
fs.StringVar(&s.frameworkWebURI, "framework-weburi", s.frameworkWebURI, "A URI that points to a web-based interface for interacting with the framework.")
fs.StringVar(&s.advertisedAddress, "advertised-address", s.advertisedAddress, "host:port address that is advertised to clients. May be used to construct artifact download URIs.")
fs.IPVar(&s.serviceAddress, "service-address", s.serviceAddress, "The service portal IP address that the scheduler should register with (if unset, chooses randomly)")
fs.Var(&s.defaultContainerCPULimit, "default-container-cpu-limit", "Containers without a CPU resource limit are admitted this much CPU shares")
fs.Var(&s.defaultContainerMemLimit, "default-container-mem-limit", "Containers without a memory resource limit are admitted this much amount of memory in MB")
fs.BoolVar(&s.containPodResources, "contain-pod-resources", s.containPodResources, "Reparent pod containers into mesos cgroups; disable if you're having strange mesos/docker/systemd interactions.")
fs.DurationVar(&s.nodeRelistPeriod, "node-monitor-period", s.nodeRelistPeriod, "Period between relisting of all nodes from the apiserver.")
fs.BoolVar(&s.useHostPortEndpoints, "host-port-endpoints", s.useHostPortEndpoints, "Map service endpoints to hostIP:hostPort instead of podIP:containerPort. Default true.")
fs.IntVar(&s.executorLogV, "executor-logv", s.executorLogV, "Logging verbosity of spawned minion and executor processes.")
fs.BoolVar(&s.executorBindall, "executor-bindall", s.executorBindall, "When true will set -address of the executor to 0.0.0.0.")
fs.DurationVar(&s.executorSuicideTimeout, "executor-suicide-timeout", s.executorSuicideTimeout, "Executor self-terminates after this period of inactivity. Zero disables suicide watch.")
fs.DurationVar(&s.launchGracePeriod, "mesos-launch-grace-period", s.launchGracePeriod, "Launch grace period after which launching tasks will be cancelled. Zero disables launch cancellation.")
fs.StringVar(&s.sandboxOverlay, "mesos-sandbox-overlay", s.sandboxOverlay, "Path to an archive (tar.gz, tar.bz2 or zip) extracted into the sandbox.")
fs.BoolVar(&s.proxyBindall, "proxy-bindall", s.proxyBindall, "When true pass -proxy-bindall to the executor.")
fs.BoolVar(&s.runProxy, "run-proxy", s.runProxy, "Run the kube-proxy as a side process of the executor.")
fs.StringVar(&s.proxyKubeconfig, "proxy-kubeconfig", s.proxyKubeconfig, "Path to kubeconfig file with authorization and master location information used by the proxy.")
fs.IntVar(&s.proxyLogV, "proxy-logv", s.proxyLogV, "Logging verbosity of spawned minion proxy processes.")
fs.StringVar(&s.proxyMode, "proxy-mode", s.proxyMode, "Which proxy mode to use: 'userspace' (older) or 'iptables' (faster). If the iptables proxy is selected, regardless of how, but the system's kernel or iptables versions are insufficient, this always falls back to the userspace proxy.")
fs.StringVar(&s.minionPathOverride, "minion-path-override", s.minionPathOverride, "Override the PATH in the environment of the minion sub-processes.")
fs.Var(resource.NewQuantityFlagValue(&s.minionLogMaxSize), "minion-max-log-size", "Maximum log file size for the executor and proxy before rotation")
fs.IntVar(&s.minionLogMaxAgeInDays, "minion-max-log-age", s.minionLogMaxAgeInDays, "Maximum log file age of the executor and proxy in days")
fs.IntVar(&s.minionLogMaxBackups, "minion-max-log-backups", s.minionLogMaxBackups, "Maximum log file backups of the executor and proxy to keep after rotation")
fs.StringSliceVar(&s.kubeletApiServerList, "kubelet-api-servers", s.kubeletApiServerList, "List of Kubernetes API servers kubelet will use. (ip:port), comma separated. If unspecified it defaults to the value of --api-servers.")
fs.StringVar(&s.kubeletRootDirectory, "kubelet-root-dir", s.kubeletRootDirectory, "Directory path for managing kubelet files (volume mounts,etc). Defaults to executor sandbox.")
fs.StringVar(&s.kubeletDockerEndpoint, "kubelet-docker-endpoint", s.kubeletDockerEndpoint, "If non-empty, kubelet will use this for the docker endpoint to communicate with.")
fs.StringVar(&s.kubeletPodInfraContainerImage, "kubelet-pod-infra-container-image", s.kubeletPodInfraContainerImage, "The image whose network/ipc namespaces containers in each pod will use.")
fs.UintVar(&s.kubeletCadvisorPort, "kubelet-cadvisor-port", s.kubeletCadvisorPort, "The port of the kubelet's local cAdvisor endpoint")
fs.StringVar(&s.kubeletHostNetworkSources, "kubelet-host-network-sources", s.kubeletHostNetworkSources, "Comma-separated list of sources from which the Kubelet allows pods to use of host network. For all sources use \"*\" [default=\"file\"]")
fs.DurationVar(&s.kubeletSyncFrequency, "kubelet-sync-frequency", s.kubeletSyncFrequency, "Max period between synchronizing running containers and config")
fs.StringVar(&s.kubeletNetworkPluginName, "kubelet-network-plugin", s.kubeletNetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
fs.BoolVar(&s.kubeletEnableDebuggingHandlers, "kubelet-enable-debugging-handlers", s.kubeletEnableDebuggingHandlers, "Enables kubelet endpoints for log collection and local running of containers and commands")
fs.StringVar(&s.kubeletKubeconfig, "kubelet-kubeconfig", s.kubeletKubeconfig, "Path to kubeconfig file with authorization and master location information used by the kubelet.")
fs.IntVar(&s.conntrackMax, "conntrack-max", s.conntrackMax, "Maximum number of NAT connections to track on agent nodes (0 to leave as-is)")
fs.IntVar(&s.conntrackTCPTimeoutEstablished, "conntrack-tcp-timeout-established", s.conntrackTCPTimeoutEstablished, "Idle timeout for established TCP connections on agent nodes (0 to leave as-is)")
//TODO(jdef) support this flag once we have a better handle on mesos-dns and k8s DNS integration
//fs.StringVar(&s.HADomain, "ha-domain", s.HADomain, "Domain of the HA scheduler service, only used in HA mode. If specified may be used to construct artifact download URIs.")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddUniversalFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, ""+
"Ordered list of plug-ins to do admission control of resources into cluster. "+
"Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", ")+".")
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile,
"File with admission control configuration.")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, ""+
"List of allowed origins for CORS, comma separated. An allowed origin can be a regular "+
"expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.StringVar(&s.DefaultStorageMediaType, "storage-media-type", s.DefaultStorageMediaType, ""+
"The media type to use to store objects in storage. Defaults to application/json. "+
"Some resources may only support a specific media type and will ignore this setting.")
fs.IntVar(&s.DeleteCollectionWorkers, "delete-collection-workers", s.DeleteCollectionWorkers,
"Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup.")
fs.StringVar(&s.AuditLogPath, "audit-log-path", s.AuditLogPath,
"If set, all requests coming to the apiserver will be logged to this file.")
fs.IntVar(&s.AuditLogMaxAge, "audit-log-maxage", s.AuditLogMaxBackups,
"The maximum number of days to retain old audit log files based on the timestamp encoded in their filename.")
fs.IntVar(&s.AuditLogMaxBackups, "audit-log-maxbackup", s.AuditLogMaxBackups,
"The maximum number of old audit log files to retain.")
fs.IntVar(&s.AuditLogMaxSize, "audit-log-maxsize", s.AuditLogMaxSize,
"The maximum size in megabytes of the audit log file before it gets rotated. Defaults to 100MB.")
fs.BoolVar(&s.EnableGarbageCollection, "enable-garbage-collector", s.EnableGarbageCollection, ""+
"Enables the generic garbage collector. MUST be synced with the corresponding flag "+
"of the kube-controller-manager.")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling,
"Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&s.EnableContentionProfiling, "contention-profiling", s.EnableContentionProfiling,
"Enable contention profiling. Requires --profiling to be set to work.")
fs.BoolVar(&s.EnableSwaggerUI, "enable-swagger-ui", s.EnableSwaggerUI,
"Enables swagger ui on the apiserver at /swagger-ui")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", s.EnableWatchCache,
"Enable watch caching in the apiserver")
fs.IntVar(&s.TargetRAMMB, "target-ram-mb", s.TargetRAMMB,
"Memory limit for apiserver in MB (used to configure sizes of caches, etc.)")
fs.StringVar(&s.ExternalHost, "external-hostname", s.ExternalHost,
"The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs).")
// TODO: remove post-1.6
fs.String("long-running-request-regexp", "", ""+
"A regular expression matching long running requests which should "+
"be excluded from maximum inflight request handling.")
fs.MarkDeprecated("long-running-request-regexp", "regular expression matching of long-running requests is no longer supported")
deprecatedMasterServiceNamespace := api.NamespaceDefault
fs.StringVar(&deprecatedMasterServiceNamespace, "master-service-namespace", deprecatedMasterServiceNamespace, ""+
"DEPRECATED: the namespace from which the kubernetes master services should be injected into pods.")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", s.MaxRequestsInFlight, ""+
"The maximum number of non-mutating requests in flight at a given time. When the server exceeds this, "+
"it rejects requests. Zero for no limit.")
fs.IntVar(&s.MaxMutatingRequestsInFlight, "max-mutating-requests-inflight", s.MaxMutatingRequestsInFlight, ""+
"The maximum number of mutating requests in flight at a given time. When the server exceeds this, "+
"it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", s.MinRequestTimeout, ""+
"An optional field indicating the minimum number of seconds a handler must keep "+
"a request open before timing it out. Currently only honored by the watch request "+
"handler, which picks a randomized value above this number as the connection timeout, "+
"to spread out load.")
fs.Var(&s.RuntimeConfig, "runtime-config", ""+
"A set of key=value pairs that describe runtime configuration that may be passed "+
"to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. "+
"apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and "+
"api/legacy are special keys to control all and legacy api versions respectively.")
deprecatedStorageVersion := ""
fs.StringVar(&deprecatedStorageVersion, "storage-version", deprecatedStorageVersion,
"DEPRECATED: the version to store the legacy v1 resources with. Defaults to server preferred.")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API "+
"is retired. Setting this has no effect. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, ""+
"The per-group version to store resources in. "+
"Specified in the format \"group1/version1,group2/version2,...\". "+
"In the case where objects are moved from one group to the other, "+
"you may specify the format \"group1=group2/v1beta1,group3/v1beta1,...\". "+
"You only need to pass the groups you wish to change from the defaults. "+
"It defaults to a list of preferred versions of all registered groups, "+
"which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringSliceVar(&s.WatchCacheSizes, "watch-cache-sizes", s.WatchCacheSizes, ""+
"List of watch cache sizes for every resource (pods, nodes, etc.), comma separated. "+
"The individual override format: resource#size, where size is a number. It takes effect "+
"when watch-cache is enabled.")
config.DefaultFeatureGate.AddFlag(fs)
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet, allControllers []string, disabledByDefaultControllers []string) {
fs.StringSliceVar(&s.Controllers, "controllers", s.Controllers, fmt.Sprintf(""+
"A list of controllers to enable. '*' enables all on-by-default controllers, 'foo' enables the controller "+
"named 'foo', '-foo' disables the controller named 'foo'.\nAll controllers: %s\nDisabled-by-default controllers: %s",
strings.Join(allControllers, ", "), strings.Join(disabledByDefaultControllers, ", ")))
fs.Int32Var(&s.Port, "port", s.Port, "The port that the controller-manager's http service runs on")
fs.Var(componentconfig.IPVar{Val: &s.Address}, "address", "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
fs.BoolVar(&s.UseServiceAccountCredentials, "use-service-account-credentials", s.UseServiceAccountCredentials, "If true, use individual service account credentials for each controller.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.Int32Var(&s.ConcurrentEndpointSyncs, "concurrent-endpoint-syncs", s.ConcurrentEndpointSyncs, "The number of endpoint syncing operations that will be done concurrently. Larger number = faster endpoint updating, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentServiceSyncs, "concurrent-service-syncs", s.ConcurrentServiceSyncs, "The number of services that are allowed to sync concurrently. Larger number = more responsive service management, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentRCSyncs, "concurrent_rc_syncs", s.ConcurrentRCSyncs, "The number of replication controllers that are allowed to sync concurrently. Larger number = more responsive replica management, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentRSSyncs, "concurrent-replicaset-syncs", s.ConcurrentRSSyncs, "The number of replica sets that are allowed to sync concurrently. Larger number = more responsive replica management, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentResourceQuotaSyncs, "concurrent-resource-quota-syncs", s.ConcurrentResourceQuotaSyncs, "The number of resource quotas that are allowed to sync concurrently. Larger number = more responsive quota management, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentDeploymentSyncs, "concurrent-deployment-syncs", s.ConcurrentDeploymentSyncs, "The number of deployment objects that are allowed to sync concurrently. Larger number = more responsive deployments, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentNamespaceSyncs, "concurrent-namespace-syncs", s.ConcurrentNamespaceSyncs, "The number of namespace objects that are allowed to sync concurrently. Larger number = more responsive namespace termination, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentSATokenSyncs, "concurrent-serviceaccount-token-syncs", s.ConcurrentSATokenSyncs, "The number of service account token objects that are allowed to sync concurrently. Larger number = more responsive token generation, but more CPU (and network) load")
fs.Int32Var(&s.LookupCacheSizeForRC, "replication-controller-lookup-cache-size", s.LookupCacheSizeForRC, "The the size of lookup cache for replication controllers. Larger number = more responsive replica management, but more MEM load.")
fs.Int32Var(&s.LookupCacheSizeForRS, "replicaset-lookup-cache-size", s.LookupCacheSizeForRS, "The the size of lookup cache for replicatsets. Larger number = more responsive replica management, but more MEM load.")
fs.Int32Var(&s.LookupCacheSizeForDaemonSet, "daemonset-lookup-cache-size", s.LookupCacheSizeForDaemonSet, "The the size of lookup cache for daemonsets. Larger number = more responsive daemonsets, but more MEM load.")
fs.DurationVar(&s.ServiceSyncPeriod.Duration, "service-sync-period", s.ServiceSyncPeriod.Duration, "The period for syncing services with their external load balancers")
fs.DurationVar(&s.NodeSyncPeriod.Duration, "node-sync-period", 0, ""+
"This flag is deprecated and will be removed in future releases. See node-monitor-period for Node health checking or "+
"route-reconciliation-period for cloud provider's route configuration settings.")
fs.MarkDeprecated("node-sync-period", "This flag is currently no-op and will be deleted.")
fs.DurationVar(&s.RouteReconciliationPeriod.Duration, "route-reconciliation-period", s.RouteReconciliationPeriod.Duration, "The period for reconciling routes created for Nodes by cloud provider.")
fs.DurationVar(&s.ResourceQuotaSyncPeriod.Duration, "resource-quota-sync-period", s.ResourceQuotaSyncPeriod.Duration, "The period for syncing quota usage status in the system")
fs.DurationVar(&s.NamespaceSyncPeriod.Duration, "namespace-sync-period", s.NamespaceSyncPeriod.Duration, "The period for syncing namespace life-cycle updates")
fs.DurationVar(&s.PVClaimBinderSyncPeriod.Duration, "pvclaimbinder-sync-period", s.PVClaimBinderSyncPeriod.Duration, "The period for syncing persistent volumes and persistent volume claims")
fs.DurationVar(&s.MinResyncPeriod.Duration, "min-resync-period", s.MinResyncPeriod.Duration, "The resync period in reflectors will be random between MinResyncPeriod and 2*MinResyncPeriod")
fs.StringVar(&s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathNFS, "pv-recycler-pod-template-filepath-nfs", s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathNFS, "The file path to a pod definition used as a template for NFS persistent volume recycling")
fs.Int32Var(&s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.MinimumTimeoutNFS, "pv-recycler-minimum-timeout-nfs", s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.MinimumTimeoutNFS, "The minimum ActiveDeadlineSeconds to use for an NFS Recycler pod")
fs.Int32Var(&s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.IncrementTimeoutNFS, "pv-recycler-increment-timeout-nfs", s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.IncrementTimeoutNFS, "the increment of time added per Gi to ActiveDeadlineSeconds for an NFS scrubber pod")
fs.StringVar(&s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathHostPath, "pv-recycler-pod-template-filepath-hostpath", s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.PodTemplateFilePathHostPath, "The file path to a pod definition used as a template for HostPath persistent volume recycling. This is for development and testing only and will not work in a multi-node cluster.")
fs.Int32Var(&s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.MinimumTimeoutHostPath, "pv-recycler-minimum-timeout-hostpath", s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.MinimumTimeoutHostPath, "The minimum ActiveDeadlineSeconds to use for a HostPath Recycler pod. This is for development and testing only and will not work in a multi-node cluster.")
fs.Int32Var(&s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.IncrementTimeoutHostPath, "pv-recycler-timeout-increment-hostpath", s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.IncrementTimeoutHostPath, "the increment of time added per Gi to ActiveDeadlineSeconds for a HostPath scrubber pod. This is for development and testing only and will not work in a multi-node cluster.")
fs.BoolVar(&s.VolumeConfiguration.EnableHostPathProvisioning, "enable-hostpath-provisioner", s.VolumeConfiguration.EnableHostPathProvisioning, "Enable HostPath PV provisioning when running without a cloud provider. This allows testing and development of provisioning features. HostPath provisioning is not supported in any way, won't work in a multi-node cluster, and should not be used for anything other than testing or development.")
fs.BoolVar(&s.VolumeConfiguration.EnableDynamicProvisioning, "enable-dynamic-provisioning", s.VolumeConfiguration.EnableDynamicProvisioning, "Enable dynamic provisioning for environments that support it.")
fs.StringVar(&s.VolumeConfiguration.FlexVolumePluginDir, "flex-volume-plugin-dir", s.VolumeConfiguration.FlexVolumePluginDir, "Full path of the directory in which the flex volume plugin should search for additional third party volume plugins.")
fs.Int32Var(&s.TerminatedPodGCThreshold, "terminated-pod-gc-threshold", s.TerminatedPodGCThreshold, "Number of terminated pods that can exist before the terminated pod garbage collector starts deleting terminated pods. If <= 0, the terminated pod garbage collector is disabled.")
fs.DurationVar(&s.HorizontalPodAutoscalerSyncPeriod.Duration, "horizontal-pod-autoscaler-sync-period", s.HorizontalPodAutoscalerSyncPeriod.Duration, "The period for syncing the number of pods in horizontal pod autoscaler.")
fs.DurationVar(&s.DeploymentControllerSyncPeriod.Duration, "deployment-controller-sync-period", s.DeploymentControllerSyncPeriod.Duration, "Period for syncing the deployments.")
fs.DurationVar(&s.PodEvictionTimeout.Duration, "pod-eviction-timeout", s.PodEvictionTimeout.Duration, "The grace period for deleting pods on failed nodes.")
fs.Float32Var(&s.DeletingPodsQps, "deleting-pods-qps", 0.1, "Number of nodes per second on which pods are deleted in case of node failure.")
fs.MarkDeprecated("deleting-pods-qps", "This flag is currently no-op and will be deleted.")
fs.Int32Var(&s.DeletingPodsBurst, "deleting-pods-burst", 0, "Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
fs.MarkDeprecated("deleting-pods-burst", "This flag is currently no-op and will be deleted.")
fs.Int32Var(&s.RegisterRetryCount, "register-retry-count", s.RegisterRetryCount, ""+
"The number of retries for initial node registration. Retry interval equals node-sync-period.")
fs.MarkDeprecated("register-retry-count", "This flag is currently no-op and will be deleted.")
fs.DurationVar(&s.NodeMonitorGracePeriod.Duration, "node-monitor-grace-period", s.NodeMonitorGracePeriod.Duration,
"Amount of time which we allow running Node to be unresponsive before marking it unhealthy. "+
"Must be N times more than kubelet's nodeStatusUpdateFrequency, "+
"where N means number of retries allowed for kubelet to post node status.")
fs.DurationVar(&s.NodeStartupGracePeriod.Duration, "node-startup-grace-period", s.NodeStartupGracePeriod.Duration,
"Amount of time which we allow starting Node to be unresponsive before marking it unhealthy.")
fs.DurationVar(&s.NodeMonitorPeriod.Duration, "node-monitor-period", s.NodeMonitorPeriod.Duration,
"The period for syncing NodeStatus in NodeController.")
fs.StringVar(&s.ServiceAccountKeyFile, "service-account-private-key-file", s.ServiceAccountKeyFile, "Filename containing a PEM-encoded private RSA or ECDSA key used to sign service account tokens.")
fs.StringVar(&s.ClusterSigningCertFile, "cluster-signing-cert-file", s.ClusterSigningCertFile, "Filename containing a PEM-encoded X509 CA certificate used to issue cluster-scoped certificates")
fs.StringVar(&s.ClusterSigningKeyFile, "cluster-signing-key-file", s.ClusterSigningKeyFile, "Filename containing a PEM-encoded RSA or ECDSA private key used to sign cluster-scoped certificates")
fs.StringVar(&s.ApproveAllKubeletCSRsForGroup, "insecure-experimental-approve-all-kubelet-csrs-for-group", s.ApproveAllKubeletCSRsForGroup, "The group for which the controller-manager will auto approve all CSRs for kubelet client certificates.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.ClusterName, "cluster-name", s.ClusterName, "The instance prefix for the cluster")
fs.StringVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "CIDR Range for Pods in cluster.")
fs.StringVar(&s.ServiceCIDR, "service-cluster-ip-range", s.ServiceCIDR, "CIDR Range for Services in cluster.")
fs.Int32Var(&s.NodeCIDRMaskSize, "node-cidr-mask-size", s.NodeCIDRMaskSize, "Mask size for node cidr in cluster.")
fs.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false, "Should CIDRs for Pods be allocated and set on the cloud provider.")
fs.BoolVar(&s.ConfigureCloudRoutes, "configure-cloud-routes", true, "Should CIDRs allocated by allocate-node-cidrs be configured on the cloud provider.")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization and master location information.")
fs.StringVar(&s.RootCAFile, "root-ca-file", s.RootCAFile, "If set, this root certificate authority will be included in service account's token secret. This must be a valid PEM-encoded CA bundle.")
fs.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "Content type of requests sent to apiserver.")
fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
fs.Int32Var(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
fs.DurationVar(&s.ControllerStartInterval.Duration, "controller-start-interval", s.ControllerStartInterval.Duration, "Interval between starting controller managers.")
fs.BoolVar(&s.EnableGarbageCollector, "enable-garbage-collector", s.EnableGarbageCollector, "Enables the generic garbage collector. MUST be synced with the corresponding flag of the kube-apiserver.")
fs.Int32Var(&s.ConcurrentGCSyncs, "concurrent-gc-syncs", s.ConcurrentGCSyncs, "The number of garbage collector workers that are allowed to sync concurrently.")
fs.Float32Var(&s.NodeEvictionRate, "node-eviction-rate", 0.1, "Number of nodes per second on which pods are deleted in case of node failure when a zone is healthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters.")
fs.Float32Var(&s.SecondaryNodeEvictionRate, "secondary-node-eviction-rate", 0.01, "Number of nodes per second on which pods are deleted in case of node failure when a zone is unhealthy (see --unhealthy-zone-threshold for definition of healthy/unhealthy). Zone refers to entire cluster in non-multizone clusters. This value is implicitly overridden to 0 if the cluster size is smaller than --large-cluster-size-threshold.")
fs.Int32Var(&s.LargeClusterSizeThreshold, "large-cluster-size-threshold", 50, "Number of nodes from which NodeController treats the cluster as large for the eviction logic purposes. --secondary-node-eviction-rate is implicitly overridden to 0 for clusters this size or smaller.")
fs.Float32Var(&s.UnhealthyZoneThreshold, "unhealthy-zone-threshold", 0.55, "Fraction of Nodes in a zone which needs to be not Ready (minimum 3) for zone to be treated as unhealthy. ")
fs.BoolVar(&s.DisableAttachDetachReconcilerSync, "disable-attach-detach-reconcile-sync", false, "Disable volume attach detach reconciler sync. Disabling this may cause volumes to be mismatched with pods. Use wisely.")
fs.DurationVar(&s.ReconcilerSyncLoopPeriod.Duration, "attach-detach-reconcile-sync-period", s.ReconcilerSyncLoopPeriod.Duration, "The reconciler sync wait time between volume attach detach. This duration must be larger than one second, and increasing this value from the default may allow for volumes to be mismatched with pods.")
leaderelection.BindFlags(&s.LeaderElection, fs)
config.DefaultFeatureGate.AddFlag(fs)
}
// AddFlags adds flags for a specific KubeletServer to the specified FlagSet
func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.Config, "config", s.Config, "Path to the config file or directory of files")
fs.DurationVar(&s.SyncFrequency.Duration, "sync-frequency", s.SyncFrequency.Duration, "Max period between synchronizing running containers and config")
fs.DurationVar(&s.FileCheckFrequency.Duration, "file-check-frequency", s.FileCheckFrequency.Duration, "Duration between checking config files for new data")
fs.DurationVar(&s.HTTPCheckFrequency.Duration, "http-check-frequency", s.HTTPCheckFrequency.Duration, "Duration between checking http for new data")
fs.StringVar(&s.ManifestURL, "manifest-url", s.ManifestURL, "URL for accessing the container manifest")
fs.StringVar(&s.ManifestURLHeader, "manifest-url-header", s.ManifestURLHeader, "HTTP header to use when accessing the manifest URL, with the key separated from the value with a ':', as in 'key:value'")
fs.BoolVar(&s.EnableServer, "enable-server", s.EnableServer, "Enable the Kubelet's server")
fs.Var(componentconfig.IPVar{Val: &s.Address}, "address", "The IP address for the Kubelet to serve on (set to 0.0.0.0 for all interfaces)")
fs.UintVar(&s.Port, "port", s.Port, "The port for the Kubelet to serve on.")
fs.UintVar(&s.ReadOnlyPort, "read-only-port", s.ReadOnlyPort, "The read-only port for the Kubelet to serve on with no authentication/authorization (set to 0 to disable)")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key "+
"are generated for the public address and saved to the directory passed to --cert-dir.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.HostnameOverride, "hostname-override", s.HostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.StringVar(&s.PodInfraContainerImage, "pod-infra-container-image", s.PodInfraContainerImage, "The image whose network/ipc namespaces containers in each pod will use.")
fs.StringVar(&s.DockerEndpoint, "docker-endpoint", s.DockerEndpoint, "If non-empty, use this for the docker endpoint to communicate with")
fs.StringVar(&s.RootDirectory, "root-dir", s.RootDirectory, "Directory path for managing kubelet files (volume mounts,etc).")
fs.StringVar(&s.SeccompProfileRoot, "seccomp-profile-root", s.SeccompProfileRoot, "Directory path for seccomp profiles.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow containers to request privileged mode. [default=false]")
fs.StringVar(&s.HostNetworkSources, "host-network-sources", s.HostNetworkSources, "Comma-separated list of sources from which the Kubelet allows pods to use of host network. [default=\"*\"]")
fs.StringVar(&s.HostPIDSources, "host-pid-sources", s.HostPIDSources, "Comma-separated list of sources from which the Kubelet allows pods to use the host pid namespace. [default=\"*\"]")
fs.StringVar(&s.HostIPCSources, "host-ipc-sources", s.HostIPCSources, "Comma-separated list of sources from which the Kubelet allows pods to use the host ipc namespace. [default=\"*\"]")
fs.Float64Var(&s.RegistryPullQPS, "registry-qps", s.RegistryPullQPS, "If > 0, limit registry pull QPS to this value. If 0, unlimited. [default=5.0]")
fs.Int32Var(&s.RegistryBurst, "registry-burst", s.RegistryBurst, "Maximum size of a bursty pulls, temporarily allows pulls to burst to this number, while still not exceeding registry-qps. Only used if --registry-qps > 0")
fs.Float32Var(&s.EventRecordQPS, "event-qps", s.EventRecordQPS, "If > 0, limit event creations per second to this value. If 0, unlimited.")
fs.Int32Var(&s.EventBurst, "event-burst", s.EventBurst, "Maximum size of a bursty event records, temporarily allows event records to burst to this number, while still not exceeding event-qps. Only used if --event-qps > 0")
fs.BoolVar(&s.RunOnce, "runonce", s.RunOnce, "If true, exit after spawning pods from local manifests or remote urls. Exclusive with --api-servers, and --enable-server")
fs.BoolVar(&s.EnableDebuggingHandlers, "enable-debugging-handlers", s.EnableDebuggingHandlers, "Enables server endpoints for log collection and local running of containers and commands")
fs.DurationVar(&s.MinimumGCAge.Duration, "minimum-container-ttl-duration", s.MinimumGCAge.Duration, "Minimum age for a finished container before it is garbage collected. Examples: '300ms', '10s' or '2h45m'")
fs.Int32Var(&s.MaxPerPodContainerCount, "maximum-dead-containers-per-container", s.MaxPerPodContainerCount, "Maximum number of old instances to retain per container. Each container takes up some disk space. Default: 2.")
fs.Int32Var(&s.MaxContainerCount, "maximum-dead-containers", s.MaxContainerCount, "Maximum number of old instances of containers to retain globally. Each container takes up some disk space. Default: 100.")
fs.Var(&s.AuthPath, "auth-path", "Path to .kubernetes_auth file, specifying how to authenticate to API server.")
fs.MarkDeprecated("auth-path", "will be removed in a future version")
fs.Var(&s.KubeConfig, "kubeconfig", "Path to a kubeconfig file, specifying how to authenticate to API server (the master location is set by the api-servers flag).")
fs.UintVar(&s.CAdvisorPort, "cadvisor-port", s.CAdvisorPort, "The port of the localhost cAdvisor endpoint")
fs.Int32Var(&s.HealthzPort, "healthz-port", s.HealthzPort, "The port of the localhost healthz endpoint")
fs.Var(componentconfig.IPVar{Val: &s.HealthzBindAddress}, "healthz-bind-address", "The IP address for the healthz server to serve on, defaulting to 127.0.0.1 (set to 0.0.0.0 for all interfaces)")
fs.Int32Var(&s.OOMScoreAdj, "oom-score-adj", s.OOMScoreAdj, "The oom-score-adj value for kubelet process. Values must be within the range [-1000, 1000]")
fs.StringSliceVar(&s.APIServerList, "api-servers", []string{}, "List of Kubernetes API servers for publishing events, and reading pods and services. (ip:port), comma separated.")
fs.BoolVar(&s.RegisterNode, "register-node", s.RegisterNode, "Register the node with the apiserver (defaults to true if --api-servers is set)")
fs.StringVar(&s.ClusterDomain, "cluster-domain", s.ClusterDomain, "Domain for this cluster. If set, kubelet will configure all containers to search this domain in addition to the host's search domains")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.StringVar(&s.ClusterDNS, "cluster-dns", s.ClusterDNS, "IP address for a cluster DNS server. This value is used for containers' DNS server in case of Pods with \"dnsPolicy=ClusterFirst\"")
fs.DurationVar(&s.StreamingConnectionIdleTimeout.Duration, "streaming-connection-idle-timeout", s.StreamingConnectionIdleTimeout.Duration, "Maximum time a streaming connection can be idle before the connection is automatically closed. 0 indicates no timeout. Example: '5m'")
fs.DurationVar(&s.NodeStatusUpdateFrequency.Duration, "node-status-update-frequency", s.NodeStatusUpdateFrequency.Duration, "Specifies how often kubelet posts node status to master. Note: be cautious when changing the constant, it must work with nodeMonitorGracePeriod in nodecontroller. Default: 10s")
bindableNodeLabels := config.ConfigurationMap(s.NodeLabels)
fs.Var(&bindableNodeLabels, "node-labels", "<Warning: Alpha feature> Labels to add when registering the node in the cluster. Labels must be key=value pairs separated by ','.")
fs.DurationVar(&s.ImageMinimumGCAge.Duration, "minimum-image-ttl-duration", s.ImageMinimumGCAge.Duration, "Minimum age for a unused image before it is garbage collected. Examples: '300ms', '10s' or '2h45m'. Default: '2m'")
fs.Int32Var(&s.ImageGCHighThresholdPercent, "image-gc-high-threshold", s.ImageGCHighThresholdPercent, "The percent of disk usage after which image garbage collection is always run. Default: 90%")
fs.Int32Var(&s.ImageGCLowThresholdPercent, "image-gc-low-threshold", s.ImageGCLowThresholdPercent, "The percent of disk usage before which image garbage collection is never run. Lowest disk usage to garbage collect to. Default: 80%")
fs.Int32Var(&s.LowDiskSpaceThresholdMB, "low-diskspace-threshold-mb", s.LowDiskSpaceThresholdMB, "The absolute free disk space, in MB, to maintain. When disk space falls below this threshold, new pods would be rejected. Default: 256")
fs.DurationVar(&s.VolumeStatsAggPeriod.Duration, "volume-stats-agg-period", s.VolumeStatsAggPeriod.Duration, "Specifies interval for kubelet to calculate and cache the volume disk usage for all pods and volumes. To disable volume calculations, set to 0. Default: '1m'")
fs.StringVar(&s.NetworkPluginName, "network-plugin", s.NetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
fs.StringVar(&s.NetworkPluginDir, "network-plugin-dir", s.NetworkPluginDir, "<Warning: Alpha feature> The full path of the directory in which to search for network plugins")
fs.StringVar(&s.VolumePluginDir, "volume-plugin-dir", s.VolumePluginDir, "<Warning: Alpha feature> The full path of the directory in which to search for additional third party volume plugins")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringVar(&s.KubeletCgroups, "resource-container", s.KubeletCgroups, "Optional absolute name of the resource-only container to create and run the Kubelet in.")
fs.MarkDeprecated("resource-container", "Use --kubelet-cgroups instead. Will be removed in a future version.")
fs.StringVar(&s.KubeletCgroups, "kubelet-cgroups", s.KubeletCgroups, "Optional absolute name of cgroups to create and run the Kubelet in.")
fs.StringVar(&s.SystemCgroups, "system-container", s.SystemCgroups, "Optional resource-only container in which to place all non-kernel processes that are not already in a container. Empty for no container. Rolling back the flag requires a reboot. (Default: \"\").")
fs.MarkDeprecated("system-container", "Use --system-cgroups instead. Will be removed in a future version.")
fs.StringVar(&s.SystemCgroups, "system-cgroups", s.SystemCgroups, "Optional absolute name of cgroups in which to place all non-kernel processes that are not already inside a cgroup under `/`. Empty for no container. Rolling back the flag requires a reboot. (Default: \"\").")
fs.StringVar(&s.CgroupRoot, "cgroup-root", s.CgroupRoot, "Optional root cgroup to use for pods. This is handled by the container runtime on a best effort basis. Default: '', which means use the container runtime default.")
fs.StringVar(&s.ContainerRuntime, "container-runtime", s.ContainerRuntime, "The container runtime to use. Possible values: 'docker', 'rkt'. Default: 'docker'.")
fs.StringVar(&s.LockFilePath, "lock-file", s.LockFilePath, "<Warning: Alpha feature> The path to file for kubelet to use as a lock file.")
fs.BoolVar(&s.ExitOnLockContention, "exit-on-lock-contention", s.ExitOnLockContention, "Whether kubelet should exit upon lock-file contention.")
fs.StringVar(&s.RktPath, "rkt-path", s.RktPath, "Path of rkt binary. Leave empty to use the first rkt in $PATH. Only used if --container-runtime='rkt'.")
fs.StringVar(&s.RktAPIEndpoint, "rkt-api-endpoint", s.RktAPIEndpoint, "The endpoint of the rkt API service to communicate with. Only used if --container-runtime='rkt'.")
fs.StringVar(&s.RktStage1Image, "rkt-stage1-image", s.RktStage1Image, "image to use as stage1. Local paths and http/https URLs are supported. If empty, the 'stage1.aci' in the same directory as '--rkt-path' will be used.")
fs.MarkDeprecated("rkt-stage1-image", "Will be removed in a future version. The default stage1 image will be specified by the rkt configurations, see https://github.com/coreos/rkt/blob/master/Documentation/configuration.md for more details.")
fs.BoolVar(&s.ConfigureCBR0, "configure-cbr0", s.ConfigureCBR0, "If true, kubelet will configure cbr0 based on Node.Spec.PodCIDR.")
fs.StringVar(&s.HairpinMode, "hairpin-mode", s.HairpinMode, "How should the kubelet setup hairpin NAT. This allows endpoints of a Service to loadbalance back to themselves if they should try to access their own Service. Valid values are \"promiscuous-bridge\", \"hairpin-veth\" and \"none\".")
fs.BoolVar(&s.BabysitDaemons, "babysit-daemons", s.BabysitDaemons, "If true, the node has babysitter process monitoring docker and kubelet.")
fs.MarkDeprecated("babysit-daemons", "Will be removed in a future version.")
fs.Int32Var(&s.MaxPods, "max-pods", s.MaxPods, "Number of Pods that can run on this Kubelet.")
fs.Int32Var(&s.NvidiaGPUs, "experimental-nvidia-gpus", s.NvidiaGPUs, "Number of NVIDIA GPU devices on this node. Only 0 (default) and 1 are currently supported.")
fs.StringVar(&s.DockerExecHandlerName, "docker-exec-handler", s.DockerExecHandlerName, "Handler to use when executing a command in a container. Valid values are 'native' and 'nsenter'. Defaults to 'native'.")
fs.StringVar(&s.NonMasqueradeCIDR, "non-masquerade-cidr", s.NonMasqueradeCIDR, "Traffic to IPs outside this range will use IP masquerade.")
fs.StringVar(&s.PodCIDR, "pod-cidr", "", "The CIDR to use for pod IP addresses, only used in standalone mode. In cluster mode, this is obtained from the master.")
fs.StringVar(&s.ResolverConfig, "resolv-conf", s.ResolverConfig, "Resolver configuration file used as the basis for the container DNS resolution configuration.")
fs.BoolVar(&s.CPUCFSQuota, "cpu-cfs-quota", s.CPUCFSQuota, "Enable CPU CFS quota enforcement for containers that specify CPU limits")
// Flags intended for testing, not recommended used in production environments.
fs.BoolVar(&s.ReallyCrashForTesting, "really-crash-for-testing", s.ReallyCrashForTesting, "If true, when panics occur crash. Intended for testing.")
fs.Float64Var(&s.ChaosChance, "chaos-chance", s.ChaosChance, "If > 0.0, introduce random client errors and latency. Intended for testing. [default=0.0]")
fs.BoolVar(&s.Containerized, "containerized", s.Containerized, "Experimental support for running kubelet in a container. Intended for testing. [default=false]")
fs.Uint64Var(&s.MaxOpenFiles, "max-open-files", s.MaxOpenFiles, "Number of files that can be opened by Kubelet process. [default=1000000]")
fs.BoolVar(&s.ReconcileCIDR, "reconcile-cidr", s.ReconcileCIDR, "Reconcile node CIDR with the CIDR specified by the API server. No-op if register-node or configure-cbr0 is false. [default=true]")
fs.Var(&s.SystemReserved, "system-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G) pairs that describe resources reserved for non-kubernetes components. Currently only cpu and memory are supported. See http://releases.k8s.io/HEAD/docs/user-guide/compute-resources.md for more detail. [default=none]")
fs.Var(&s.KubeReserved, "kube-reserved", "A set of ResourceName=ResourceQuantity (e.g. cpu=200m,memory=150G) pairs that describe resources reserved for kubernetes system components. Currently only cpu and memory are supported. See http://releases.k8s.io/HEAD/docs/user-guide/compute-resources.md for more detail. [default=none]")
fs.BoolVar(&s.RegisterSchedulable, "register-schedulable", s.RegisterSchedulable, "Register the node as schedulable. No-op if register-node is false. [default=true]")
fs.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "Content type of requests sent to apiserver.")
fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
fs.Int32Var(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
fs.BoolVar(&s.SerializeImagePulls, "serialize-image-pulls", s.SerializeImagePulls, "Pull images one at a time. We recommend *not* changing the default value on nodes that run docker daemon with version < 1.9 or an Aufs storage backend. Issue #10959 has more details. [default=true]")
fs.BoolVar(&s.ExperimentalFlannelOverlay, "experimental-flannel-overlay", s.ExperimentalFlannelOverlay, "Experimental support for starting the kubelet with the default overlay network (flannel). Assumes flanneld is already running in client mode. [default=false]")
fs.DurationVar(&s.OutOfDiskTransitionFrequency.Duration, "outofdisk-transition-frequency", s.OutOfDiskTransitionFrequency.Duration, "Duration for which the kubelet has to wait before transitioning out of out-of-disk node condition status. Default: 5m0s")
fs.StringVar(&s.NodeIP, "node-ip", s.NodeIP, "IP address of the node. If set, kubelet will use this IP address for the node")
fs.BoolVar(&s.EnableCustomMetrics, "enable-custom-metrics", s.EnableCustomMetrics, "Support for gathering custom metrics.")
fs.StringVar(&s.RuntimeCgroups, "runtime-cgroups", s.RuntimeCgroups, "Optional absolute name of cgroups to create and run the runtime in.")
fs.StringVar(&s.EvictionHard, "eviction-hard", s.EvictionHard, "A set of eviction thresholds (e.g. memory.available<1Gi) that if met would trigger a pod eviction.")
fs.StringVar(&s.EvictionSoft, "eviction-soft", s.EvictionSoft, "A set of eviction thresholds (e.g. memory.available<1.5Gi) that if met over a corresponding grace period would trigger a pod eviction.")
fs.StringVar(&s.EvictionSoftGracePeriod, "eviction-soft-grace-period", s.EvictionSoftGracePeriod, "A set of eviction grace periods (e.g. memory.available=1m30s) that correspond to how long a soft eviction threshold must hold before triggering a pod eviction.")
fs.DurationVar(&s.EvictionPressureTransitionPeriod.Duration, "eviction-pressure-transition-period", s.EvictionPressureTransitionPeriod.Duration, "Duration for which the kubelet has to wait before transitioning out of an eviction pressure condition.")
fs.Int32Var(&s.EvictionMaxPodGracePeriod, "eviction-max-pod-grace-period", s.EvictionMaxPodGracePeriod, "Maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met. If negative, defer to pod specified value.")
fs.Int32Var(&s.PodsPerCore, "pods-per-core", s.PodsPerCore, "Number of Pods per core that can run on this Kubelet. The total number of Pods on this Kubelet cannot exceed max-pods, so max-pods will be used if this caulcation results in a larger number of Pods allowed on the Kubelet. A value of 0 disables this limit.")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, "Ordered list of plug-ins to do admission control of resources into cluster. Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", "))
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile, "File with admission control configuration.")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.StringVar(&s.AuthorizationMode, "authorization-mode", s.AuthorizationMode, "Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+strings.Join(apiserver.AuthorizationModeChoices, ","))
fs.StringVar(&s.AuthorizationConfig.PolicyFile, "authorization-policy-file", s.AuthorizationConfig.PolicyFile, "File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.AuthorizationConfig.WebhookConfigFile, "authorization-webhook-config-file", s.AuthorizationConfig.WebhookConfigFile, "File with webhook configuration in kubeconfig format, used with --authorization-mode=Webhook. The API server will query the remote service to determine access on the API server's secure port.")
fs.StringVar(&s.BasicAuthFile, "basic-auth-file", s.BasicAuthFile, "If set, the file that will be used to admit requests to the secure port of the API server via http basic authentication.")
fs.IPVar(&s.BindAddress, "public-address-override", s.BindAddress, "DEPRECATED: see --bind-address instead")
fs.MarkDeprecated("public-address-override", "see --bind-address instead")
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, ""+
"The IP address on which to listen for the --secure-port port. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.ClientCAFile, "client-ca-file", s.ClientCAFile, "If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file is authenticated with an identity corresponding to the CommonName of the client certificate.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.StringVar(&s.DefaultStorageMediaType, "storage-media-type", s.DefaultStorageMediaType, "The media type to use to store objects in storage. Defaults to application/json. Some resources may only support a specific media type and will ignore this setting.")
fs.IntVar(&s.DeleteCollectionWorkers, "delete-collection-workers", s.DeleteCollectionWorkers, "Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup.")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling, "Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&s.EnableSwaggerUI, "enable-swagger-ui", s.EnableSwaggerUI, "Enables swagger ui on the apiserver at /swagger-ui")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", s.EnableWatchCache, "Enable watch caching in the apiserver")
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, "Per-resource etcd servers overrides, comma separated. The individual override format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringVar(&s.ExternalHost, "external-hostname", s.ExternalHost, "The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs.)")
fs.IPVar(&s.InsecureBindAddress, "insecure-bind-address", s.InsecureBindAddress, ""+
"The IP address on which to serve the --insecure-port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.IPVar(&s.InsecureBindAddress, "address", s.InsecureBindAddress, "DEPRECATED: see --insecure-bind-address instead")
fs.MarkDeprecated("address", "see --insecure-bind-address instead")
fs.IntVar(&s.InsecurePort, "insecure-port", s.InsecurePort, ""+
"The port on which to serve unsecured, unauthenticated access. Default 8080. It is assumed "+
"that firewall rules are set up such that this port is not reachable from outside of "+
"the cluster and that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
fs.IntVar(&s.InsecurePort, "port", s.InsecurePort, "DEPRECATED: see --insecure-port instead")
fs.MarkDeprecated("port", "see --insecure-port instead")
fs.StringVar(&s.KeystoneURL, "experimental-keystone-url", s.KeystoneURL, "If passed, activates the keystone authentication plugin")
// See #14282 for details on how to test/try this option out. TODO remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", s.KubernetesServiceNodePort, "If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be of type NodePort, using this as the value of the port. If zero, the Kubernetes master service will be of type ClusterIP.")
fs.StringVar(&s.LongRunningRequestRE, "long-running-request-regexp", s.LongRunningRequestRE, "A regular expression matching long running requests which should be excluded from maximum inflight request handling.")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount, "The number of apiservers running in the cluster")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", s.MaxRequestsInFlight, "The maximum number of requests in flight at a given time. When the server exceeds this, it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", s.MinRequestTimeout, "An optional field indicating the minimum number of seconds a handler must keep a request open before timing it out. Currently only honored by the watch request handler, which picks a randomized value above this number as the connection timeout, to spread out load.")
fs.StringVar(&s.OIDCIssuerURL, "oidc-issuer-url", s.OIDCIssuerURL, "The URL of the OpenID issuer, only HTTPS scheme will be accepted. If set, it will be used to verify the OIDC JSON Web Token (JWT)")
fs.StringVar(&s.OIDCClientID, "oidc-client-id", s.OIDCClientID, "The client ID for the OpenID Connect client, must be set if oidc-issuer-url is set")
fs.StringVar(&s.OIDCCAFile, "oidc-ca-file", s.OIDCCAFile, "If set, the OpenID server's certificate will be verified by one of the authorities in the oidc-ca-file, otherwise the host's root CA set will be used")
fs.StringVar(&s.OIDCUsernameClaim, "oidc-username-claim", "sub", ""+
"The OpenID claim to use as the user name. Note that claims other than the default ('sub') is not "+
"guaranteed to be unique and immutable. This flag is experimental, please see the authentication documentation for further details.")
fs.StringVar(&s.OIDCGroupsClaim, "oidc-groups-claim", "", "If provided, the name of a custom OpenID Connect claim for specifying user groups. The claim value is expected to be an array of strings. This flag is experimental, please see the authentication documentation for further details.")
fs.Var(&s.RuntimeConfig, "runtime-config", "A set of key=value pairs that describe runtime configuration that may be passed to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and api/legacy are special keys to control all and legacy api versions respectively.")
fs.IntVar(&s.SecurePort, "secure-port", s.SecurePort, ""+
"The port on which to serve HTTPS with authentication and authorization. If 0, "+
"don't serve HTTPS at all.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange, "Deprecated: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", "A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "Deprecated: see --service-node-port-range instead.")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead.")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type, "The storage backend for persistence. Options: 'etcd2' (default), 'etcd3'.")
fs.StringSliceVar(&s.StorageConfig.ServerList, "etcd-servers", s.StorageConfig.ServerList, "List of etcd servers to connect with (http://ip:port), comma separated.")
fs.StringVar(&s.StorageConfig.Prefix, "etcd-prefix", s.StorageConfig.Prefix, "The prefix for all resource paths in etcd.")
fs.StringVar(&s.StorageConfig.KeyFile, "etcd-keyfile", s.StorageConfig.KeyFile, "SSL key file used to secure etcd communication")
fs.StringVar(&s.StorageConfig.CertFile, "etcd-certfile", s.StorageConfig.CertFile, "SSL certification file used to secure etcd communication")
fs.StringVar(&s.StorageConfig.CAFile, "etcd-cafile", s.StorageConfig.CAFile, "SSL Certificate Authority file used to secure etcd communication")
fs.BoolVar(&s.StorageConfig.Quorum, "etcd-quorum-read", s.StorageConfig.Quorum, "If true, enable quorum read")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize, "Number of deserialized json objects to cache in memory.")
fs.StringVar(&s.DeprecatedStorageVersion, "storage-version", s.DeprecatedStorageVersion, "The version to store the legacy v1 resources with. Defaults to server preferred")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API is retired. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, "The per-group version to store resources in. "+
"Specified in the format \"group1/version1,group2/version2,...\". "+
"In the case where objects are moved from one group to the other, you may specify the format \"group1=group2/v1beta1,group3/v1beta1,...\". "+
"You only need to pass the groups you wish to change from the defaults. "+
"It defaults to a list of preferred versions of all registered groups, which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, "+
"a self-signed certificate and key are generated for the public address and saved to /var/run/kubernetes.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
fs.StringVar(&s.TokenAuthFile, "token-auth-file", s.TokenAuthFile, "If set, the file that will be used to secure the secure port of the API server via token authentication.")
fs.StringSliceVar(&s.WatchCacheSizes, "watch-cache-sizes", s.WatchCacheSizes, "List of watch cache sizes for every resource (pods, nodes, etc.), comma separated. The individual override format: resource#size, where size is a number. It takes effect when watch-cache is enabled.")
}
func execTags(in interface{}, fs *pflag.FlagSet) error {
if reflect.TypeOf(in).Kind() != reflect.Ptr {
return errors.New("Calling parser with non-pointer")
}
if reflect.ValueOf(in).Elem().Kind() != reflect.Struct {
return errors.New("Calling parser with pointer to non-struct")
}
st := reflect.ValueOf(in).Elem()
for i := 0; i < st.NumField(); i++ {
valField := st.Field(i)
typeField := st.Type().Field(i)
if typeField.Tag.Get("default") == "" && typeField.Tag.Get("env") == "" && typeField.Tag.Get("flag") == "" && typeField.Type.Kind() != reflect.Struct {
// None of our supported tags is present and it's not a sub-struct
continue
}
value := varDefault(typeField.Tag.Get("vardefault"), typeField.Tag.Get("default"))
value = envDefault(typeField.Tag.Get("env"), value)
parts := strings.Split(typeField.Tag.Get("flag"), ",")
switch typeField.Type.Kind() {
case reflect.String:
if typeField.Tag.Get("flag") != "" {
if len(parts) == 1 {
fs.StringVar(valField.Addr().Interface().(*string), parts[0], value, typeField.Tag.Get("description"))
} else {
fs.StringVarP(valField.Addr().Interface().(*string), parts[0], parts[1], value, typeField.Tag.Get("description"))
}
} else {
valField.SetString(value)
}
case reflect.Bool:
v := value == "true"
if typeField.Tag.Get("flag") != "" {
if len(parts) == 1 {
fs.BoolVar(valField.Addr().Interface().(*bool), parts[0], v, typeField.Tag.Get("description"))
} else {
fs.BoolVarP(valField.Addr().Interface().(*bool), parts[0], parts[1], v, typeField.Tag.Get("description"))
}
} else {
valField.SetBool(v)
}
case reflect.Int, reflect.Int8, reflect.Int32, reflect.Int64:
vt, err := strconv.ParseInt(value, 10, 64)
if err != nil {
if value == "" {
vt = 0
} else {
return err
}
}
if typeField.Tag.Get("flag") != "" {
registerFlagInt(typeField.Type.Kind(), fs, valField.Addr().Interface(), parts, vt, typeField.Tag.Get("description"))
} else {
valField.SetInt(vt)
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
vt, err := strconv.ParseUint(value, 10, 64)
if err != nil {
if value == "" {
vt = 0
} else {
return err
}
}
if typeField.Tag.Get("flag") != "" {
registerFlagUint(typeField.Type.Kind(), fs, valField.Addr().Interface(), parts, vt, typeField.Tag.Get("description"))
} else {
valField.SetUint(vt)
}
case reflect.Float32, reflect.Float64:
vt, err := strconv.ParseFloat(value, 64)
if err != nil {
if value == "" {
vt = 0.0
} else {
return err
}
}
if typeField.Tag.Get("flag") != "" {
registerFlagFloat(typeField.Type.Kind(), fs, valField.Addr().Interface(), parts, vt, typeField.Tag.Get("description"))
} else {
valField.SetFloat(vt)
}
case reflect.Struct:
if err := execTags(valField.Addr().Interface(), fs); err != nil {
return err
}
case reflect.Slice:
switch typeField.Type.Elem().Kind() {
case reflect.Int:
def := []int{}
for _, v := range strings.Split(value, ",") {
it, err := strconv.ParseInt(strings.TrimSpace(v), 10, 64)
if err != nil {
return err
}
def = append(def, int(it))
}
if len(parts) == 1 {
fs.IntSliceVar(valField.Addr().Interface().(*[]int), parts[0], def, typeField.Tag.Get("description"))
} else {
fs.IntSliceVarP(valField.Addr().Interface().(*[]int), parts[0], parts[1], def, typeField.Tag.Get("description"))
}
case reflect.String:
del := typeField.Tag.Get("delimiter")
if len(del) == 0 {
del = ","
}
def := strings.Split(value, del)
if len(parts) == 1 {
fs.StringSliceVar(valField.Addr().Interface().(*[]string), parts[0], def, typeField.Tag.Get("description"))
} else {
fs.StringSliceVarP(valField.Addr().Interface().(*[]string), parts[0], parts[1], def, typeField.Tag.Get("description"))
}
}
}
}
return nil
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.IPVar(&s.BindAddress, "public-address-override", s.BindAddress, "DEPRECATED: see --bind-address instead")
fs.MarkDeprecated("public-address-override", "see --bind-address instead")
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, ""+
"The IP address on which to listen for the --secure-port port. The "+
"associated interface(s) must be reachable by the rest of the cluster, and by CLI/web "+
"clients. If blank, all interfaces will be used (0.0.0.0).")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.ClientCAFile, "client-ca-file", s.ClientCAFile, "If set, any request presenting a client certificate signed by one of the authorities in the client-ca-file is authenticated with an identity corresponding to the CommonName of the client certificate.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.StringVar(&s.StorageConfig.Type, "storage-backend", s.StorageConfig.Type, "The storage backend for persistence. Options: 'etcd2' (default), 'etcd3'.")
fs.StringSliceVar(&s.StorageConfig.ServerList, "etcd-servers", s.StorageConfig.ServerList, "List of etcd servers to connect with (http://ip:port), comma separated.")
fs.StringVar(&s.StorageConfig.Prefix, "etcd-prefix", s.StorageConfig.Prefix, "The prefix for all resource paths in etcd.")
fs.StringVar(&s.StorageConfig.KeyFile, "etcd-keyfile", s.StorageConfig.KeyFile, "SSL key file used to secure etcd communication")
fs.StringVar(&s.StorageConfig.CertFile, "etcd-certfile", s.StorageConfig.CertFile, "SSL certification file used to secure etcd communication")
fs.StringVar(&s.StorageConfig.CAFile, "etcd-cafile", s.StorageConfig.CAFile, "SSL Certificate Authority file used to secure etcd communication")
fs.BoolVar(&s.StorageConfig.Quorum, "etcd-quorum-read", s.StorageConfig.Quorum, "If true, enable quorum read")
fs.IntVar(&s.StorageConfig.DeserializationCacheSize, "deserialization-cache-size", s.StorageConfig.DeserializationCacheSize, "Number of deserialized json objects to cache in memory.")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling, "Enable profiling via web interface host:port/debug/pprof/")
fs.BoolVar(&s.EnableSwaggerUI, "enable-swagger-ui", s.EnableSwaggerUI, "Enables swagger ui on the apiserver at /swagger-ui")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", s.EnableWatchCache, "Enable watch caching in the apiserver")
fs.StringVar(&s.ExternalHost, "external-hostname", s.ExternalHost, "The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs.)")
fs.IPVar(&s.InsecureBindAddress, "insecure-bind-address", s.InsecureBindAddress, ""+
"The IP address on which to serve the --insecure-port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.IPVar(&s.InsecureBindAddress, "address", s.InsecureBindAddress, "DEPRECATED: see --insecure-bind-address instead")
fs.MarkDeprecated("address", "see --insecure-bind-address instead")
fs.IntVar(&s.InsecurePort, "insecure-port", s.InsecurePort, ""+
"The port on which to serve unsecured, unauthenticated access. Default 8080. It is assumed "+
"that firewall rules are set up such that this port is not reachable from outside of "+
"the cluster and that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
fs.IntVar(&s.InsecurePort, "port", s.InsecurePort, "DEPRECATED: see --insecure-port instead")
fs.MarkDeprecated("port", "see --insecure-port instead")
// See #14282 for details on how to test/try this option out. TODO remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", s.KubernetesServiceNodePort, "If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be of type NodePort, using this as the value of the port. If zero, the Kubernetes master service will be of type ClusterIP.")
fs.StringVar(&s.LongRunningRequestRE, "long-running-request-regexp", s.LongRunningRequestRE, "A regular expression matching long running requests which should be excluded from maximum inflight request handling.")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount, "The number of apiservers running in the cluster")
fs.IntVar(&s.MaxRequestsInFlight, "max-requests-inflight", s.MaxRequestsInFlight, "The maximum number of requests in flight at a given time. When the server exceeds this, it rejects requests. Zero for no limit.")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", s.MinRequestTimeout, "An optional field indicating the minimum number of seconds a handler must keep a request open before timing it out. Currently only honored by the watch request handler, which picks a randomized value above this number as the connection timeout, to spread out load.")
fs.Var(&s.RuntimeConfig, "runtime-config", "A set of key=value pairs that describe runtime configuration that may be passed to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and api/legacy are special keys to control all and legacy api versions respectively.")
fs.IntVar(&s.SecurePort, "secure-port", s.SecurePort, ""+
"The port on which to serve HTTPS with authentication and authorization. If 0, "+
"don't serve HTTPS at all.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange, "Deprecated: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", "A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "Deprecated: see --service-node-port-range instead.")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead.")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If HTTPS serving is enabled, and --tls-cert-file and --tls-private-key-file are not provided, "+
"a self-signed certificate and key are generated for the public address and saved to /var/run/kubernetes.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
}
func bindCompileOptions(flagSet *pflag.FlagSet, compileOptions *protoeasy.CompileOptions) {
flagSet.BoolVar(
&compileOptions.Grpc,
"grpc",
false,
"Output grpc files.",
)
flagSet.BoolVar(
&compileOptions.GrpcGateway,
"grpc-gateway",
false,
"Output grpc-gateway files.",
)
flagSet.BoolVar(
&compileOptions.NoDefaultIncludes,
"no-default-includes",
false,
"Do not import the default include directories, implies --go-no-default-modifiers,--gogo-no-default-modifiers.",
)
flagSet.StringSliceVar(
&compileOptions.ExcludePattern,
"exclude",
[]string{},
"Exclude file patterns.",
)
flagSet.StringVar(
&compileOptions.RelContext,
"context",
"",
"The directory we are within, must be relative. This directory will be the base of the include path.",
)
flagSet.StringSliceVar(
&compileOptions.ExtraPluginFlag,
"extra-plugin-flag",
[]string{},
"Extra _out flags to pass to protoc. For example, if you have a plugin named foo where you would normally do --foo_out=/path/to/out, you do --extra-plugin-flag=foo. If you would have parameters to foo such as --foo_out=something=one,something_else=two:/path/to/out, you do --extra-plugin-flag=foo=something=one,something_else=two.",
)
flagSet.BoolVar(
&compileOptions.Cpp,
"cpp",
false,
"Output cpp files.",
)
flagSet.StringVar(
&compileOptions.CppRelOut,
"cpp-rel-out",
"",
"The directory, relative to the output directory, to output cpp files.",
)
flagSet.BoolVar(
&compileOptions.Csharp,
"csharp",
false,
"Output csharp files.",
)
flagSet.StringVar(
&compileOptions.CsharpRelOut,
"csharp-rel-out",
"",
"The directory, relative to the output directory, to output csharp files.",
)
flagSet.BoolVar(
&compileOptions.Go,
"go",
false,
"Output go files.",
)
flagSet.StringVar(
&compileOptions.GoRelOut,
"go-rel-out",
"",
"The directory, relative to the output directory, to output go files.",
)
flagSet.StringVar(
&compileOptions.GoImportPath,
"go-import-path",
"",
"Go package.",
)
flagSet.BoolVar(
&compileOptions.GoNoDefaultModifiers,
"go-no-default-modifiers",
false,
"Do not set the default Mfile=package modifiers for --go_out.",
)
flagSet.BoolVar(
&compileOptions.Gogo,
"gogo",
false,
"Output gogo files.",
)
flagSet.StringVar(
&compileOptions.GogoRelOut,
"gogo-rel-out",
"",
"The directory, relative to the output directory, to output gogo files.",
)
flagSet.StringVar(
&compileOptions.GogoImportPath,
"gogo-import-path",
"",
"Gogo package.",
)
flagSet.BoolVar(
&compileOptions.GogoNoDefaultModifiers,
"gogo-no-default-modifiers",
false,
"Do not set the default Mfile=package modifiers for --gogo_out.",
)
flagSet.BoolVar(
&compileOptions.Objc,
"objc",
false,
"Output objc files.",
)
flagSet.StringVar(
&compileOptions.ObjcRelOut,
"objc-rel-out",
"",
"The directory, relative to the output directory, to output objc files.",
)
flagSet.BoolVar(
&compileOptions.Python,
"python",
false,
"Output python files.",
)
flagSet.StringVar(
&compileOptions.PythonRelOut,
"python-rel-out",
"",
"The directory, relative to the output directory, to output python files.",
)
flagSet.BoolVar(
&compileOptions.Ruby,
"ruby",
false,
"Output ruby files.",
)
flagSet.StringVar(
&compileOptions.RubyRelOut,
"ruby-rel-out",
"",
"The directory, relative to the output directory, to output ruby files.",
)
flagSet.BoolVar(
&compileOptions.DescriptorSet,
"descriptor-set",
false,
"Output descriptor set files.",
)
flagSet.StringVar(
&compileOptions.DescriptorSetRelOut,
"descriptor-set-rel-out",
"",
"The directory, relative to the output directory, to output descriptor set files.",
)
flagSet.StringVar(
&compileOptions.DescriptorSetFileName,
"descriptor-set-file-name",
protoeasy.DefaultDescriptorSetFileName,
"The file name of the outputted descriptor set.",
)
flagSet.BoolVar(
&compileOptions.DescriptorSetIncludeImports,
"descriptor-set-include-imports",
false,
"Pass --include_imports to protoc.",
)
}
// AddFlags adds flags for a specific KubeletServer to the specified FlagSet
func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
fs.StringVar(&s.Config, "config", s.Config, "Path to the config file or directory of files")
fs.DurationVar(&s.SyncFrequency, "sync-frequency", s.SyncFrequency, "Max period between synchronizing running containers and config")
fs.DurationVar(&s.FileCheckFrequency, "file-check-frequency", s.FileCheckFrequency, "Duration between checking config files for new data")
fs.DurationVar(&s.HTTPCheckFrequency, "http-check-frequency", s.HTTPCheckFrequency, "Duration between checking http for new data")
fs.StringVar(&s.ManifestURL, "manifest-url", s.ManifestURL, "URL for accessing the container manifest")
fs.StringVar(&s.ManifestURLHeader, "manifest-url-header", s.ManifestURLHeader, "HTTP header to use when accessing the manifest URL, with the key separated from the value with a ':', as in 'key:value'")
fs.BoolVar(&s.EnableServer, "enable-server", s.EnableServer, "Enable the Kubelet's server")
fs.IPVar(&s.Address, "address", s.Address, "The IP address for the Kubelet to serve on (set to 0.0.0.0 for all interfaces)")
fs.UintVar(&s.Port, "port", s.Port, "The port for the Kubelet to serve on. Note that \"kubectl logs\" will not work if you set this flag.") // see #9325
fs.UintVar(&s.ReadOnlyPort, "read-only-port", s.ReadOnlyPort, "The read-only port for the Kubelet to serve on with no authentication/authorization (set to 0 to disable)")
fs.StringVar(&s.TLSCertFile, "tls-cert-file", s.TLSCertFile, ""+
"File containing x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert). "+
"If --tls-cert-file and --tls-private-key-file are not provided, a self-signed certificate and key "+
"are generated for the public address and saved to the directory passed to --cert-dir.")
fs.StringVar(&s.TLSPrivateKeyFile, "tls-private-key-file", s.TLSPrivateKeyFile, "File containing x509 private key matching --tls-cert-file.")
fs.StringVar(&s.CertDirectory, "cert-dir", s.CertDirectory, "The directory where the TLS certs are located (by default /var/run/kubernetes). "+
"If --tls-cert-file and --tls-private-key-file are provided, this flag will be ignored.")
fs.StringVar(&s.HostnameOverride, "hostname-override", s.HostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.StringVar(&s.PodInfraContainerImage, "pod-infra-container-image", s.PodInfraContainerImage, "The image whose network/ipc namespaces containers in each pod will use.")
fs.StringVar(&s.DockerEndpoint, "docker-endpoint", s.DockerEndpoint, "If non-empty, use this for the docker endpoint to communicate with")
fs.StringVar(&s.RootDirectory, "root-dir", s.RootDirectory, "Directory path for managing kubelet files (volume mounts,etc).")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow containers to request privileged mode. [default=false]")
fs.StringVar(&s.HostNetworkSources, "host-network-sources", s.HostNetworkSources, "Comma-separated list of sources from which the Kubelet allows pods to use of host network. For all sources use \"*\" [default=\"file\"]")
fs.StringVar(&s.HostPIDSources, "host-pid-sources", s.HostPIDSources, "Comma-separated list of sources from which the Kubelet allows pods to use the host pid namespace. For all sources use \"*\" [default=\"file\"]")
fs.StringVar(&s.HostIPCSources, "host-ipc-sources", s.HostIPCSources, "Comma-separated list of sources from which the Kubelet allows pods to use the host ipc namespace. For all sources use \"*\" [default=\"file\"]")
fs.Float64Var(&s.RegistryPullQPS, "registry-qps", s.RegistryPullQPS, "If > 0, limit registry pull QPS to this value. If 0, unlimited. [default=0.0]")
fs.IntVar(&s.RegistryBurst, "registry-burst", s.RegistryBurst, "Maximum size of a bursty pulls, temporarily allows pulls to burst to this number, while still not exceeding registry-qps. Only used if --registry-qps > 0")
fs.Float32Var(&s.EventRecordQPS, "event-qps", s.EventRecordQPS, "If > 0, limit event creations per second to this value. If 0, unlimited. [default=0.0]")
fs.IntVar(&s.EventBurst, "event-burst", s.EventBurst, "Maximum size of a bursty event records, temporarily allows event records to burst to this number, while still not exceeding event-qps. Only used if --event-qps > 0")
fs.BoolVar(&s.RunOnce, "runonce", s.RunOnce, "If true, exit after spawning pods from local manifests or remote urls. Exclusive with --api-servers, and --enable-server")
fs.BoolVar(&s.EnableDebuggingHandlers, "enable-debugging-handlers", s.EnableDebuggingHandlers, "Enables server endpoints for log collection and local running of containers and commands")
fs.DurationVar(&s.MinimumGCAge, "minimum-container-ttl-duration", s.MinimumGCAge, "Minimum age for a finished container before it is garbage collected. Examples: '300ms', '10s' or '2h45m'")
fs.IntVar(&s.MaxPerPodContainerCount, "maximum-dead-containers-per-container", s.MaxPerPodContainerCount, "Maximum number of old instances to retain per container. Each container takes up some disk space. Default: 2.")
fs.IntVar(&s.MaxContainerCount, "maximum-dead-containers", s.MaxContainerCount, "Maximum number of old instances of containers to retain globally. Each container takes up some disk space. Default: 100.")
fs.Var(&s.AuthPath, "auth-path", "Path to .kubernetes_auth file, specifying how to authenticate to API server.")
fs.MarkDeprecated("auth-path", "will be removed in a future version")
fs.Var(&s.KubeConfig, "kubeconfig", "Path to a kubeconfig file, specifying how to authenticate to API server (the master location is set by the api-servers flag).")
fs.UintVar(&s.CadvisorPort, "cadvisor-port", s.CadvisorPort, "The port of the localhost cAdvisor endpoint")
fs.IntVar(&s.HealthzPort, "healthz-port", s.HealthzPort, "The port of the localhost healthz endpoint")
fs.IPVar(&s.HealthzBindAddress, "healthz-bind-address", s.HealthzBindAddress, "The IP address for the healthz server to serve on, defaulting to 127.0.0.1 (set to 0.0.0.0 for all interfaces)")
fs.IntVar(&s.OOMScoreAdj, "oom-score-adj", s.OOMScoreAdj, "The oom-score-adj value for kubelet process. Values must be within the range [-1000, 1000]")
fs.StringSliceVar(&s.APIServerList, "api-servers", []string{}, "List of Kubernetes API servers for publishing events, and reading pods and services. (ip:port), comma separated.")
fs.BoolVar(&s.RegisterNode, "register-node", s.RegisterNode, "Register the node with the apiserver (defaults to true if --api-servers is set)")
fs.StringVar(&s.ClusterDomain, "cluster-domain", s.ClusterDomain, "Domain for this cluster. If set, kubelet will configure all containers to search this domain in addition to the host's search domains")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.IPVar(&s.ClusterDNS, "cluster-dns", s.ClusterDNS, "IP address for a cluster DNS server. If set, kubelet will configure all containers to use this for DNS resolution in addition to the host's DNS servers")
fs.DurationVar(&s.StreamingConnectionIdleTimeout, "streaming-connection-idle-timeout", 0, "Maximum time a streaming connection can be idle before the connection is automatically closed. Example: '5m'")
fs.DurationVar(&s.NodeStatusUpdateFrequency, "node-status-update-frequency", s.NodeStatusUpdateFrequency, "Specifies how often kubelet posts node status to master. Note: be cautious when changing the constant, it must work with nodeMonitorGracePeriod in nodecontroller. Default: 10s")
fs.IntVar(&s.ImageGCHighThresholdPercent, "image-gc-high-threshold", s.ImageGCHighThresholdPercent, "The percent of disk usage after which image garbage collection is always run. Default: 90%%")
fs.IntVar(&s.ImageGCLowThresholdPercent, "image-gc-low-threshold", s.ImageGCLowThresholdPercent, "The percent of disk usage before which image garbage collection is never run. Lowest disk usage to garbage collect to. Default: 80%%")
fs.IntVar(&s.LowDiskSpaceThresholdMB, "low-diskspace-threshold-mb", s.LowDiskSpaceThresholdMB, "The absolute free disk space, in MB, to maintain. When disk space falls below this threshold, new pods would be rejected. Default: 256")
fs.StringVar(&s.NetworkPluginName, "network-plugin", s.NetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
fs.StringVar(&s.NetworkPluginDir, "network-plugin-dir", s.NetworkPluginDir, "<Warning: Alpha feature> The full path of the directory in which to search for network plugins")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.StringVar(&s.ResourceContainer, "resource-container", s.ResourceContainer, "Absolute name of the resource-only container to create and run the Kubelet in (Default: /kubelet).")
fs.StringVar(&s.CgroupRoot, "cgroup-root", s.CgroupRoot, "Optional root cgroup to use for pods. This is handled by the container runtime on a best effort basis. Default: '', which means use the container runtime default.")
fs.StringVar(&s.ContainerRuntime, "container-runtime", s.ContainerRuntime, "The container runtime to use. Possible values: 'docker', 'rkt'. Default: 'docker'.")
fs.StringVar(&s.RktPath, "rkt-path", s.RktPath, "Path of rkt binary. Leave empty to use the first rkt in $PATH. Only used if --container-runtime='rkt'")
fs.StringVar(&s.RktStage1Image, "rkt-stage1-image", s.RktStage1Image, "image to use as stage1. Local paths and http/https URLs are supported. If empty, the 'stage1.aci' in the same directory as '--rkt-path' will be used")
fs.StringVar(&s.SystemContainer, "system-container", s.SystemContainer, "Optional resource-only container in which to place all non-kernel processes that are not already in a container. Empty for no container. Rolling back the flag requires a reboot. (Default: \"\").")
fs.BoolVar(&s.ConfigureCBR0, "configure-cbr0", s.ConfigureCBR0, "If true, kubelet will configure cbr0 based on Node.Spec.PodCIDR.")
fs.IntVar(&s.MaxPods, "max-pods", 40, "Number of Pods that can run on this Kubelet.")
fs.StringVar(&s.DockerExecHandlerName, "docker-exec-handler", s.DockerExecHandlerName, "Handler to use when executing a command in a container. Valid values are 'native' and 'nsenter'. Defaults to 'native'.")
fs.StringVar(&s.PodCIDR, "pod-cidr", "", "The CIDR to use for pod IP addresses, only used in standalone mode. In cluster mode, this is obtained from the master.")
fs.StringVar(&s.ResolverConfig, "resolv-conf", kubelet.ResolvConfDefault, "Resolver configuration file used as the basis for the container DNS resolution configuration.")
fs.BoolVar(&s.CPUCFSQuota, "cpu-cfs-quota", s.CPUCFSQuota, "Enable CPU CFS quota enforcement for containers that specify CPU limits")
// Flags intended for testing, not recommended used in production environments.
fs.BoolVar(&s.ReallyCrashForTesting, "really-crash-for-testing", s.ReallyCrashForTesting, "If true, when panics occur crash. Intended for testing.")
fs.Float64Var(&s.ChaosChance, "chaos-chance", s.ChaosChance, "If > 0.0, introduce random client errors and latency. Intended for testing. [default=0.0]")
fs.BoolVar(&s.Containerized, "containerized", s.Containerized, "Experimental support for running kubelet in a container. Intended for testing. [default=false]")
}
// AddFlags adds flags for a specific APIServer to the specified FlagSet
func (s *APIServer) AddFlags(fs *pflag.FlagSet) {
// Add the generic flags.
s.ServerRunOptions.AddFlags(fs)
// Note: the weird ""+ in below lines seems to be the only way to get gofmt to
// arrange these text blocks sensibly. Grrr.
fs.MarkDeprecated("port", "see --insecure-port instead")
fs.MarkDeprecated("address", "see --insecure-bind-address instead")
fs.IPVar(&s.AdvertiseAddress, "advertise-address", s.AdvertiseAddress, ""+
"The IP address on which to advertise the apiserver to members of the cluster. This "+
"address must be reachable by the rest of the cluster. If blank, the --bind-address "+
"will be used. If --bind-address is unspecified, the host's default interface will "+
"be used.")
fs.IPVar(&s.BindAddress, "public-address-override", s.BindAddress, "DEPRECATED: see --bind-address instead")
fs.MarkDeprecated("public-address-override", "see --bind-address instead")
fs.StringVar(&s.APIPrefix, "api-prefix", s.APIPrefix, "The prefix for API requests on the server. Default '/api'.")
fs.MarkDeprecated("api-prefix", "--api-prefix is deprecated and will be removed when the v1 API is retired.")
fs.StringVar(&s.DeprecatedStorageVersion, "storage-version", s.DeprecatedStorageVersion, "The version to store the legacy v1 resources with. Defaults to server preferred")
fs.MarkDeprecated("storage-version", "--storage-version is deprecated and will be removed when the v1 API is retired. See --storage-versions instead.")
fs.StringVar(&s.StorageVersions, "storage-versions", s.StorageVersions, "The per-group version to store resources in. "+
"Specified in the format \"group1/version1,group2/version2,...\". "+
"In the case where objects are moved from one group to the other, you may specify the format \"group1=group2/v1beta1,group3/v1beta1,...\". "+
"You only need to pass the groups you wish to change from the defaults. "+
"It defaults to a list of preferred versions of all registered groups, which is derived from the KUBE_API_VERSIONS environment variable.")
fs.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
fs.StringVar(&s.CloudConfigFile, "cloud-config", s.CloudConfigFile, "The path to the cloud provider configuration file. Empty string for no configuration file.")
fs.DurationVar(&s.EventTTL, "event-ttl", s.EventTTL, "Amount of time to retain events. Default 1 hour.")
fs.StringVar(&s.BasicAuthFile, "basic-auth-file", s.BasicAuthFile, "If set, the file that will be used to admit requests to the secure port of the API server via http basic authentication.")
fs.StringVar(&s.TokenAuthFile, "token-auth-file", s.TokenAuthFile, "If set, the file that will be used to secure the secure port of the API server via token authentication.")
fs.StringVar(&s.OIDCIssuerURL, "oidc-issuer-url", s.OIDCIssuerURL, "The URL of the OpenID issuer, only HTTPS scheme will be accepted. If set, it will be used to verify the OIDC JSON Web Token (JWT)")
fs.StringVar(&s.OIDCClientID, "oidc-client-id", s.OIDCClientID, "The client ID for the OpenID Connect client, must be set if oidc-issuer-url is set")
fs.StringVar(&s.OIDCCAFile, "oidc-ca-file", s.OIDCCAFile, "If set, the OpenID server's certificate will be verified by one of the authorities in the oidc-ca-file, otherwise the host's root CA set will be used")
fs.StringVar(&s.OIDCUsernameClaim, "oidc-username-claim", "sub", ""+
"The OpenID claim to use as the user name. Note that claims other than the default ('sub') is not "+
"guaranteed to be unique and immutable. This flag is experimental, please see the authentication documentation for further details.")
fs.StringVar(&s.OIDCGroupsClaim, "oidc-groups-claim", "", "If provided, the name of a custom OpenID Connect claim for specifying user groups. The claim value is expected to be an array of strings. This flag is experimental, please see the authentication documentation for further details.")
fs.StringVar(&s.ServiceAccountKeyFile, "service-account-key-file", s.ServiceAccountKeyFile, "File containing PEM-encoded x509 RSA private or public key, used to verify ServiceAccount tokens. If unspecified, --tls-private-key-file is used.")
fs.BoolVar(&s.ServiceAccountLookup, "service-account-lookup", s.ServiceAccountLookup, "If true, validate ServiceAccount tokens exist in etcd as part of authentication.")
fs.StringVar(&s.KeystoneURL, "experimental-keystone-url", s.KeystoneURL, "If passed, activates the keystone authentication plugin")
fs.StringVar(&s.AuthorizationMode, "authorization-mode", s.AuthorizationMode, "Ordered list of plug-ins to do authorization on secure port. Comma-delimited list of: "+strings.Join(apiserver.AuthorizationModeChoices, ","))
fs.StringVar(&s.AuthorizationConfig.PolicyFile, "authorization-policy-file", s.AuthorizationConfig.PolicyFile, "File with authorization policy in csv format, used with --authorization-mode=ABAC, on the secure port.")
fs.StringVar(&s.AuthorizationConfig.WebhookConfigFile, "authorization-webhook-config-file", s.AuthorizationConfig.WebhookConfigFile, "File with webhook configuration in kubeconfig format, used with --authorization-mode=Webhook. The API server will query the remote service to determine access on the API server's secure port.")
fs.StringVar(&s.AdmissionControl, "admission-control", s.AdmissionControl, "Ordered list of plug-ins to do admission control of resources into cluster. Comma-delimited list of: "+strings.Join(admission.GetPlugins(), ", "))
fs.StringVar(&s.AdmissionControlConfigFile, "admission-control-config-file", s.AdmissionControlConfigFile, "File with admission control configuration.")
fs.StringSliceVar(&s.EtcdConfig.ServerList, "etcd-servers", s.EtcdConfig.ServerList, "List of etcd servers to watch (http://ip:port), comma separated.")
fs.StringSliceVar(&s.EtcdServersOverrides, "etcd-servers-overrides", s.EtcdServersOverrides, "Per-resource etcd servers overrides, comma separated. The individual override format: group/resource#servers, where servers are http://ip:port, semicolon separated.")
fs.StringVar(&s.EtcdConfig.Prefix, "etcd-prefix", s.EtcdConfig.Prefix, "The prefix for all resource paths in etcd.")
fs.StringVar(&s.EtcdConfig.KeyFile, "etcd-keyfile", s.EtcdConfig.KeyFile, "SSL key file used to secure etcd communication")
fs.StringVar(&s.EtcdConfig.CertFile, "etcd-certfile", s.EtcdConfig.CertFile, "SSL certification file used to secure etcd communication")
fs.StringVar(&s.EtcdConfig.CAFile, "etcd-cafile", s.EtcdConfig.CAFile, "SSL Certificate Authority file used to secure etcd communication")
fs.BoolVar(&s.EtcdConfig.Quorum, "etcd-quorum-read", s.EtcdConfig.Quorum, "If true, enable quorum read")
fs.IntVar(&s.EtcdConfig.DeserializationCacheSize, "deserialization-cache-size", s.EtcdConfig.DeserializationCacheSize, "Number of deserialized json objects to cache in memory.")
fs.StringSliceVar(&s.CorsAllowedOriginList, "cors-allowed-origins", s.CorsAllowedOriginList, "List of allowed origins for CORS, comma separated. An allowed origin can be a regular expression to support subdomain matching. If this list is empty CORS will not be enabled.")
fs.BoolVar(&s.AllowPrivileged, "allow-privileged", s.AllowPrivileged, "If true, allow privileged containers.")
fs.IPNetVar(&s.ServiceClusterIPRange, "service-cluster-ip-range", s.ServiceClusterIPRange, "A CIDR notation IP range from which to assign service cluster IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.IPNetVar(&s.ServiceClusterIPRange, "portal-net", s.ServiceClusterIPRange, "Deprecated: see --service-cluster-ip-range instead.")
fs.MarkDeprecated("portal-net", "see --service-cluster-ip-range instead.")
fs.Var(&s.ServiceNodePortRange, "service-node-port-range", "A port range to reserve for services with NodePort visibility. Example: '30000-32767'. Inclusive at both ends of the range.")
fs.Var(&s.ServiceNodePortRange, "service-node-ports", "Deprecated: see --service-node-port-range instead.")
fs.MarkDeprecated("service-node-ports", "see --service-node-port-range instead.")
fs.StringVar(&s.MasterServiceNamespace, "master-service-namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount, "The number of apiservers running in the cluster")
fs.IntVar(&s.DeleteCollectionWorkers, "delete-collection-workers", s.DeleteCollectionWorkers, "Number of workers spawned for DeleteCollection call. These are used to speed up namespace cleanup.")
fs.Var(&s.RuntimeConfig, "runtime-config", "A set of key=value pairs that describe runtime configuration that may be passed to apiserver. apis/<groupVersion> key can be used to turn on/off specific api versions. apis/<groupVersion>/<resource> can be used to turn on/off specific resources. api/all and api/legacy are special keys to control all and legacy api versions respectively.")
fs.BoolVar(&s.EnableProfiling, "profiling", s.EnableProfiling, "Enable profiling via web interface host:port/debug/pprof/")
// TODO: enable cache in integration tests.
fs.BoolVar(&s.EnableWatchCache, "watch-cache", s.EnableWatchCache, "Enable watch caching in the apiserver")
fs.BoolVar(&s.EnableSwaggerUI, "enable-swagger-ui", s.EnableSwaggerUI, "Enables swagger ui on the apiserver at /swagger-ui")
fs.StringVar(&s.ExternalHost, "external-hostname", s.ExternalHost, "The hostname to use when generating externalized URLs for this master (e.g. Swagger API Docs.)")
fs.IntVar(&s.MinRequestTimeout, "min-request-timeout", s.MinRequestTimeout, "An optional field indicating the minimum number of seconds a handler must keep a request open before timing it out. Currently only honored by the watch request handler, which picks a randomized value above this number as the connection timeout, to spread out load.")
fs.StringVar(&s.SSHUser, "ssh-user", s.SSHUser, "If non-empty, use secure SSH proxy to the nodes, using this user name")
fs.StringVar(&s.SSHKeyfile, "ssh-keyfile", s.SSHKeyfile, "If non-empty, use secure SSH proxy to the nodes, using this user keyfile")
fs.Int64Var(&s.MaxConnectionBytesPerSec, "max-connection-bytes-per-sec", s.MaxConnectionBytesPerSec, "If non-zero, throttle each user connection to this number of bytes/sec. Currently only applies to long-running requests")
// Kubelet related flags:
fs.BoolVar(&s.KubeletConfig.EnableHttps, "kubelet-https", s.KubeletConfig.EnableHttps, "Use https for kubelet connections")
fs.UintVar(&s.KubeletConfig.Port, "kubelet-port", s.KubeletConfig.Port, "Kubelet port")
fs.MarkDeprecated("kubelet-port", "kubelet-port is deprecated and will be removed")
fs.DurationVar(&s.KubeletConfig.HTTPTimeout, "kubelet-timeout", s.KubeletConfig.HTTPTimeout, "Timeout for kubelet operations")
fs.StringVar(&s.KubeletConfig.CertFile, "kubelet-client-certificate", s.KubeletConfig.CertFile, "Path to a client cert file for TLS.")
fs.StringVar(&s.KubeletConfig.KeyFile, "kubelet-client-key", s.KubeletConfig.KeyFile, "Path to a client key file for TLS.")
fs.StringVar(&s.KubeletConfig.CAFile, "kubelet-certificate-authority", s.KubeletConfig.CAFile, "Path to a cert. file for the certificate authority.")
// See #14282 for details on how to test/try this option out. TODO remove this comment once this option is tested in CI.
fs.IntVar(&s.KubernetesServiceNodePort, "kubernetes-service-node-port", s.KubernetesServiceNodePort, "If non-zero, the Kubernetes master service (which apiserver creates/maintains) will be of type NodePort, using this as the value of the port. If zero, the Kubernetes master service will be of type ClusterIP.")
// TODO: delete this flag as soon as we identify and fix all clients that send malformed updates, like #14126.
fs.BoolVar(&validation.RepairMalformedUpdates, "repair-malformed-updates", validation.RepairMalformedUpdates, "If true, server will do its best to fix the update request to pass the validation, e.g., setting empty UID in update request to its existing value. This flag can be turned off after we fix all the clients that send malformed updates.")
fs.StringSliceVar(&s.WatchCacheSizes, "watch-cache-sizes", s.WatchCacheSizes, "List of watch cache sizes for every resource (pods, nodes, etc.), comma separated. The individual override format: resource#size, where size is a number. It takes effect when watch-cache is enabled.")
}