// AddFlags adds flags for a specific SchedulerServer to the specified FlagSet
func (s *SchedulerServer) AddFlags(fs *pflag.FlagSet) {
fs.Int32Var(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
fs.StringVar(&s.Address, "address", s.Address, "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
fs.StringVar(&s.AlgorithmProvider, "algorithm-provider", s.AlgorithmProvider, "The scheduling algorithm provider to use, one of: "+factory.ListAlgorithmProviders())
fs.StringVar(&s.PolicyConfigFile, "policy-config-file", s.PolicyConfigFile, "File with scheduler policy configuration")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
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.")
var unusedBindPodsQPS float32
fs.Float32Var(&unusedBindPodsQPS, "bind-pods-qps", 0, "unused, use --kube-api-qps")
fs.MarkDeprecated("bind-pods-qps", "flag is unused and will be removed. Use kube-api-qps instead.")
var unusedBindPodsBurst int32
fs.Int32Var(&unusedBindPodsBurst, "bind-pods-burst", 0, "unused, use --kube-api-burst")
fs.MarkDeprecated("bind-pods-burst", "flag is unused and will be removed. Use kube-api-burst instead.")
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.StringVar(&s.SchedulerName, "scheduler-name", s.SchedulerName, "Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's annotation with key 'scheduler.alpha.kubernetes.io/name'")
fs.IntVar(&s.HardPodAffinitySymmetricWeight, "hard-pod-affinity-symmetric-weight", api.DefaultHardPodAffinitySymmetricWeight,
"RequiredDuringScheduling affinity is not symmetric, but there is an implicit PreferredDuringScheduling affinity rule corresponding "+
"to every RequiredDuringScheduling affinity rule. --hard-pod-affinity-symmetric-weight represents the weight of implicit PreferredDuringScheduling affinity rule.")
fs.StringVar(&s.FailureDomains, "failure-domains", api.DefaultFailureDomains, "Indicate the \"all topologies\" set for an empty topologyKey when it's used for PreferredDuringScheduling pod anti-affinity.")
leaderelection.BindFlags(&s.LeaderElection, fs)
config.DefaultFeatureGate.AddFlag(fs)
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.Port, "port", s.Port, "The port that the controller-manager's http service runs on")
fs.Var(&s.Address, "address", "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
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.IntVar(&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.IntVar(&s.ConcurrentRCSyncs, "concurrent_rc_syncs", s.ConcurrentRCSyncs, "The number of replication controllers that are allowed to sync concurrently. Larger number = more reponsive replica management, but more CPU (and network) load")
fs.DurationVar(&s.NodeSyncPeriod, "node-sync-period", s.NodeSyncPeriod, ""+
"The period for syncing nodes from cloudprovider. Longer periods will result in "+
"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
fs.DurationVar(&s.ResourceQuotaSyncPeriod, "resource-quota-sync-period", s.ResourceQuotaSyncPeriod, "The period for syncing quota usage status in the system")
fs.DurationVar(&s.NamespaceSyncPeriod, "namespace-sync-period", s.NamespaceSyncPeriod, "The period for syncing namespace life-cycle updates")
fs.DurationVar(&s.PVClaimBinderSyncPeriod, "pvclaimbinder-sync-period", s.PVClaimBinderSyncPeriod, "The period for syncing persistent volumes and persistent volume claims")
fs.DurationVar(&s.PodEvictionTimeout, "pod-eviction-timeout", s.PodEvictionTimeout, "The grace peroid 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.IntVar(&s.DeletingPodsBurst, "deleting-pods-burst", 10, "Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
fs.IntVar(&s.RegisterRetryCount, "register-retry-count", s.RegisterRetryCount, ""+
"The number of retries for initial node registration. Retry interval equals node-sync-period.")
fs.DurationVar(&s.NodeMonitorGracePeriod, "node-monitor-grace-period", 40*time.Second,
"Amount of time which we allow running Node to be unresponsive before marking it unhealty. "+
"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, "node-startup-grace-period", 60*time.Second,
"Amount of time which we allow starting Node to be unresponsive before marking it unhealty.")
fs.DurationVar(&s.NodeMonitorPeriod, "node-monitor-period", 5*time.Second,
"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 key used to sign service account tokens.")
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.Var(&s.ClusterCIDR, "cluster-cidr", "CIDR Range for Pods in cluster.")
fs.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false, "Should CIDRs for Pods be allocated and set 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.")
}
// AddFlags adds flags for a specific ExternalCMServer to the specified FlagSet
func (s *CloudControllerManagerServer) AddFlags(fs *pflag.FlagSet) {
fs.Int32Var(&s.Port, "port", s.Port, "The port that the cloud-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.StringVar(&s.CloudProvider, "cloud-provider", s.CloudProvider, "The provider of cloud services. Empty 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.MinResyncPeriod.Duration, "min-resync-period", s.MinResyncPeriod.Duration, "The resync period in reflectors will be random between MinResyncPeriod and 2*MinResyncPeriod")
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.BoolVar(&s.UseServiceAccountCredentials, "use-service-account-credentials", s.UseServiceAccountCredentials, "If true, use individual service account credentials for each controller.")
fs.DurationVar(&s.RouteReconciliationPeriod.Duration, "route-reconciliation-period", s.RouteReconciliationPeriod.Duration, "The period for reconciling routes created for Nodes by cloud provider.")
fs.BoolVar(&s.ConfigureCloudRoutes, "configure-cloud-routes", true, "Should CIDRs allocated by allocate-node-cidrs be configured on the cloud provider.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "CIDR Range for Pods in cluster.")
fs.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false, "Should CIDRs for Pods be allocated and set 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.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.")
leaderelection.BindFlags(&s.LeaderElection, fs)
config.DefaultFeatureGate.AddFlag(fs)
}
// AddFlags adds flags for a specific ProxyServer to the specified FlagSet
func (s *ProxyServerConfig) AddFlags(fs *pflag.FlagSet) {
fs.Var(componentconfig.IPVar{Val: &s.BindAddress}, "bind-address", "The IP address for the proxy server to serve on (set to 0.0.0.0 for all interfaces)")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.IntVar(&s.HealthzPort, "healthz-port", s.HealthzPort, "The port to bind the health check server. Use 0 to disable.")
fs.Var(componentconfig.IPVar{Val: &s.HealthzBindAddress}, "healthz-bind-address", "The IP address for the health check 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", util.IntPtrDerefOr(s.OOMScoreAdj, qos.KubeProxyOOMScoreAdj), "The oom-score-adj value for kube-proxy process. Values must be within the range [-1000, 1000]")
fs.StringVar(&s.ResourceContainer, "resource-container", s.ResourceContainer, "Absolute name of the resource-only container to create and run the Kube-proxy in (Default: /kube-proxy).")
fs.MarkDeprecated("resource-container", "This feature will be removed in a later release.")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization information (the master location is set by the master flag).")
fs.Var(componentconfig.PortRangeVar{Val: &s.PortRange}, "proxy-port-range", "Range of host ports (beginPort-endPort, inclusive) that may be consumed in order to proxy service traffic. If unspecified (0-0) then ports will be randomly chosen.")
fs.StringVar(&s.HostnameOverride, "hostname-override", s.HostnameOverride, "If non-empty, will use this string as identification instead of the actual hostname.")
fs.Var(&s.Mode, "proxy-mode", "Which proxy mode to use: 'userspace' (older) or 'iptables' (faster). If blank, look at the Node object on the Kubernetes API and respect the '"+ExperimentalProxyModeAnnotation+"' annotation if provided. Otherwise use the best-available proxy (currently iptables). 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.IntVar(s.IPTablesMasqueradeBit, "iptables-masquerade-bit", util.IntPtrDerefOr(s.IPTablesMasqueradeBit, 14), "If using the pure iptables proxy, the bit of the fwmark space to mark packets requiring SNAT with. Must be within the range [0, 31].")
fs.DurationVar(&s.IPTablesSyncPeriod.Duration, "iptables-sync-period", s.IPTablesSyncPeriod.Duration, "How often iptables rules are refreshed (e.g. '5s', '1m', '2h22m'). Must be greater than 0.")
fs.DurationVar(&s.ConfigSyncPeriod, "config-sync-period", s.ConfigSyncPeriod, "How often configuration from the apiserver is refreshed. Must be greater than 0.")
fs.BoolVar(&s.MasqueradeAll, "masquerade-all", s.MasqueradeAll, "If using the pure iptables proxy, SNAT everything")
fs.StringVar(&s.ClusterCIDR, "cluster-cidr", s.ClusterCIDR, "The CIDR range of pods in the cluster. It is used to bridge traffic coming from outside of the cluster. If not provided, no off-cluster bridging will be performed.")
fs.BoolVar(&s.CleanupAndExit, "cleanup-iptables", s.CleanupAndExit, "If true cleanup iptables rules and exit.")
fs.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
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.DurationVar(&s.UDPIdleTimeout.Duration, "udp-timeout", s.UDPIdleTimeout.Duration, "How long an idle UDP connection will be kept open (e.g. '250ms', '2s'). Must be greater than 0. Only applicable for proxy-mode=userspace")
fs.IntVar(&s.ConntrackMax, "conntrack-max", s.ConntrackMax, "Maximum number of NAT connections to track (0 to leave as-is)")
fs.DurationVar(&s.ConntrackTCPEstablishedTimeout.Duration, "conntrack-tcp-timeout-established", s.ConntrackTCPEstablishedTimeout.Duration, "Idle timeout for established TCP connections (0 to leave as-is)")
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
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.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.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.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", s.NodeSyncPeriod.Duration, ""+
"The period for syncing nodes from cloudprovider. Longer periods will result in "+
"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
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.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.Int32Var(&s.DeletingPodsBurst, "deleting-pods-burst", 10, "Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
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 unhealty. "+
"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 unhealty.")
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 key used to sign service account tokens.")
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.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false, "Should CIDRs for Pods be allocated and set 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, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
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.")
leaderelection.BindFlags(&s.LeaderElection, fs)
}
// 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.Var(&s.InsecureBindAddress, "insecure_bind_address", ""+
"The IP address on which to serve the --insecure_port (set to 0.0.0.0 for all interfaces). "+
"Defaults to localhost.")
fs.Var(&s.InsecureBindAddress, "address", "DEPRECATED: see --insecure_bind_address instead")
fs.Var(&s.BindAddress, "bind_address", ""+
"The IP address on which to serve the --read_only_port and --secure_port ports. This "+
"address must be reachable by the rest of the cluster. If blank, all interfaces will be used.")
fs.Var(&s.BindAddress, "public_address_override", "DEPRECATED: see --bind_address instead")
fs.IntVar(&s.ReadOnlyPort, "read_only_port", s.ReadOnlyPort, ""+
"The port on which to serve read-only resources. If 0, don't serve read-only "+
"at all. It is assumed that firewall rules are set up such that this port is "+
"not reachable from outside of the cluster.")
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.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.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.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.Var(&s.EtcdServerList, "etcd_servers", "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.Var(&s.CorsAllowedOriginList, "cors_allowed_origins", "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.Var(&s.PortalNet, "portal_net", "A CIDR notation IP range from which to assign portal IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
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.")
client.BindKubeletClientConfigFlags(fs, &s.KubeletConfig)
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.StringVar(&s.LongRunningRequestRE, "long_running_request_regexp", "[.*\\/watch$][^\\/proxy.*]", "A regular expression matching long running requests which should be excluded from maximum inflight request handling.")
}
// AddFlags adds flags for a specific SchedulerServer to the specified FlagSet
func (s *SchedulerServer) AddFlags(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.StringVar(&s.AlgorithmProvider, "algorithm-provider", s.AlgorithmProvider, "The scheduling algorithm provider to use, one of: "+factory.ListAlgorithmProviders())
fs.StringVar(&s.PolicyConfigFile, "policy-config-file", s.PolicyConfigFile, "File with scheduler policy configuration")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
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.Float32Var(&s.BindPodsQPS, "bind-pods-qps", 15.0, "Number of bindings per second scheduler is allowed to continuously make")
fs.IntVar(&s.BindPodsBurst, "bind-pods-burst", 20, "Number of bindings per second scheduler is allowed to make during bursts")
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&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.DurationVar(&s.ClusterMonitorPeriod.Duration, "cluster-monitor-period", s.ClusterMonitorPeriod.Duration, "The period for syncing ClusterStatus in ClusterController.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.Master, "master", s.Master, "The address of the federation 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.ContentType, "kube-api-content-type", s.ContentType, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
fs.Float32Var(&s.APIServerQPS, "federated-api-qps", s.APIServerQPS, "QPS to use while talking with federation apiserver")
fs.IntVar(&s.APIServerBurst, "federated-api-burst", s.APIServerBurst, "Burst to use while talking with federation apiserver")
leaderelection.BindFlags(&s.LeaderElection, fs)
}
// AddFlags adds flags for a specific SchedulerServer to the specified FlagSet
func (s *SchedulerServer) AddFlags(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.StringVar(&s.AlgorithmProvider, "algorithm-provider", s.AlgorithmProvider, "The scheduling algorithm provider to use, one of: "+factory.ListAlgorithmProviders())
fs.StringVar(&s.PolicyConfigFile, "policy-config-file", s.PolicyConfigFile, "File with scheduler policy configuration")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
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.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.StringVar(&s.SchedulerName, "scheduler-name", s.SchedulerName, "Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's annotation with key 'scheduler.alpha.kubernetes.io/name'")
leaderelection.BindFlags(&s.LeaderElection, fs)
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&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.IntVar(&s.ConcurrentServiceSyncs, "concurrent-service-syncs", s.ConcurrentServiceSyncs, "The number of service syncing operations that will be done concurrently. Larger number = faster endpoint updating, but more CPU (and network) load")
fs.DurationVar(&s.ClusterMonitorPeriod.Duration, "cluster-monitor-period", s.ClusterMonitorPeriod.Duration, "The period for syncing ClusterStatus in ClusterController.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.Master, "master", s.Master, "The address of the federation 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.ContentType, "kube-api-content-type", s.ContentType, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
fs.Float32Var(&s.APIServerQPS, "federated-api-qps", s.APIServerQPS, "QPS to use while talking with federation apiserver")
fs.IntVar(&s.APIServerBurst, "federated-api-burst", s.APIServerBurst, "Burst to use while talking with federation apiserver")
fs.StringVar(&s.DnsProvider, "dns-provider", s.DnsProvider, "DNS provider. Valid values are: "+fmt.Sprintf("%q", dnsprovider.RegisteredDnsProviders()))
fs.StringVar(&s.DnsConfigFile, "dns-provider-config", s.DnsConfigFile, "Path to config file for configuring DNS provider.")
leaderelection.BindFlags(&s.LeaderElection, fs)
}
// 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.WideOpenPort, "port", s.WideOpenPort, ""+
"The port to listen on. Default 8080. It is assumed that firewall rules are "+
"set up such that this port is not reachable from outside of the cluster. It is "+
"further assumed that port 443 on the cluster's public address is proxied to this "+
"port. This is performed by nginx in the default setup.")
fs.Var(&s.Address, "address", "The IP address on to serve on (set to 0.0.0.0 for all interfaces)")
fs.Var(&s.PublicAddressOverride, "public_address_override", "Public serving address."+
"Read only port will be opened on this address, and it is assumed that port "+
"443 at this address will be proxied/redirected to '-address':'-port'. If "+
"blank, the address in the first listed interface will be used.")
fs.IntVar(&s.ReadOnlyPort, "read_only_port", s.ReadOnlyPort, ""+
"The port from which to serve read-only resources. If 0, don't serve on a "+
"read-only address. It is assumed that firewall rules are set up such that "+
"this port is not reachable from outside of the cluster.")
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.IntVar(&s.SecurePort, "secure_port", s.SecurePort,
"The port from which to serve HTTPS with authentication and authorization. If 0, don't serve HTTPS ")
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.APIPrefix, "api_prefix", s.APIPrefix, "The prefix for API requests on the server. Default '/api'.")
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.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.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.Var(&s.EtcdServerList, "etcd_servers", "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.Var(&s.CorsAllowedOriginList, "cors_allowed_origins", "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.Var(&s.PortalNet, "portal_net", "A CIDR notation IP range from which to assign portal IPs. This must not overlap with any IP ranges assigned to nodes for pods.")
fs.StringVar(&s.MasterServiceNamespace, "master_service_namespace", s.MasterServiceNamespace, "The namespace from which the kubernetes master services should be injected into pods")
fs.BoolVar(&s.SyncPodStatus, "sync_pod_status", s.SyncPodStatus, "If true, periodically fetch pods statuses from kubelets.")
fs.Var(&s.RuntimeConfig, "runtime_config", "A set of key=value pairs that describe runtime configuration that may be passed to the apiserver.")
client.BindKubeletClientConfigFlags(fs, &s.KubeletConfig)
fs.StringVar(&s.ClusterName, "cluster_name", s.ClusterName, "The instance prefix for the cluster")
fs.BoolVar(&s.EnableProfiling, "profiling", false, "Enable profiling via web interface host:port/debug/pprof/")
}
func registerFlagFloat(t reflect.Kind, fs *pflag.FlagSet, field interface{}, parts []string, vt float64, desc string) {
switch t {
case reflect.Float32:
if len(parts) == 1 {
fs.Float32Var(field.(*float32), parts[0], float32(vt), desc)
} else {
fs.Float32VarP(field.(*float32), parts[0], parts[1], float32(vt), desc)
}
case reflect.Float64:
if len(parts) == 1 {
fs.Float64Var(field.(*float64), parts[0], float64(vt), desc)
} else {
fs.Float64VarP(field.(*float64), parts[0], parts[1], float64(vt), desc)
}
}
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.Port, "port", s.Port, "The port that the controller-manager's http service runs on")
fs.Var(&s.Address, "address", "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
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.IntVar(&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.IntVar(&s.ConcurrentRCSyncs, "concurrent_rc_syncs", s.ConcurrentRCSyncs, "The number of replication controllers that are allowed to sync concurrently. Larger number = more reponsive replica management, but more CPU (and network) load")
fs.StringVar(&s.MinionRegexp, "minion-regexp", s.MinionRegexp, "If non empty, and --cloud-provider is specified, a regular expression for matching minion VMs.")
fs.MarkDeprecated("minion-regexp", "will be removed in a future version")
fs.DurationVar(&s.NodeSyncPeriod, "node-sync-period", s.NodeSyncPeriod, ""+
"The period for syncing nodes from cloudprovider. Longer periods will result in "+
"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
fs.DurationVar(&s.ResourceQuotaSyncPeriod, "resource-quota-sync-period", s.ResourceQuotaSyncPeriod, "The period for syncing quota usage status in the system")
fs.DurationVar(&s.NamespaceSyncPeriod, "namespace-sync-period", s.NamespaceSyncPeriod, "The period for syncing namespace life-cycle updates")
fs.DurationVar(&s.PVClaimBinderSyncPeriod, "pvclaimbinder-sync-period", s.PVClaimBinderSyncPeriod, "The period for syncing persistent volumes and persistent volume claims")
fs.DurationVar(&s.PodEvictionTimeout, "pod-eviction-timeout", s.PodEvictionTimeout, "The grace peroid 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.IntVar(&s.DeletingPodsBurst, "deleting-pods-burst", 10, "Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
fs.IntVar(&s.RegisterRetryCount, "register-retry-count", s.RegisterRetryCount, ""+
"The number of retries for initial node registration. Retry interval equals node-sync-period.")
fs.Var(&s.MachineList, "machines", "List of machines to schedule onto, comma separated.")
fs.MarkDeprecated("machines", "will be removed in a future version")
fs.BoolVar(&s.SyncNodeList, "sync-nodes", s.SyncNodeList, "If true, and --cloud-provider is specified, sync nodes from the cloud provider. Default true.")
fs.MarkDeprecated("sync-nodes", "will be removed in a future version")
fs.BoolVar(&s.SyncNodeStatus, "sync-node-status", s.SyncNodeStatus,
"DEPRECATED. Does not have any effect now and it will be removed in a later release.")
fs.DurationVar(&s.NodeMonitorGracePeriod, "node-monitor-grace-period", 40*time.Second,
"Amount of time which we allow running Node to be unresponsive before marking it unhealty. "+
"Must be N times more than qinglet's nodeStatusUpdateFrequency, "+
"where N means number of retries allowed for qinglet to post node status.")
fs.DurationVar(&s.NodeStartupGracePeriod, "node-startup-grace-period", 60*time.Second,
"Amount of time which we allow starting Node to be unresponsive before marking it unhealty.")
fs.DurationVar(&s.NodeMonitorPeriod, "node-monitor-period", 5*time.Second,
"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 key used to sign service account tokens.")
fs.Int64Var(&s.NodeMilliCPU, "node-milli-cpu", s.NodeMilliCPU, "The amount of MilliCPU provisioned on each node")
fs.MarkDeprecated("node-milli-cpu", "will be removed in a future version")
fs.Var(resource.NewQuantityFlagValue(&s.NodeMemory), "node-memory", "The amount of memory (in bytes) provisioned on each node")
fs.MarkDeprecated("node-memory", "will be removed in a future version")
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.Var(&s.ClusterCIDR, "cluster-cidr", "CIDR Range for Pods in cluster.")
fs.BoolVar(&s.AllocateNodeCIDRs, "allocate-node-cidrs", false, "Should CIDRs for Pods be allocated and set on the cloud provider.")
fs.StringVar(&s.Master, "master", s.Master, "The address of the QingYuan API server (overrides any value in qingconfig)")
fs.StringVar(&s.Qingconfig, "qingconfig", s.Qingconfig, "Path to qingconfig file with authorization and master location information.")
}
// AddFlags adds flags for a specific ProxyServer to the specified FlagSet
func (s *ProxyServerConfig) AddFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.BindAddress, "bind-address", s.BindAddress, "The IP address for the proxy server to serve on (set to 0.0.0.0 for all interfaces)")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.IntVar(&s.HealthzPort, "healthz-port", s.HealthzPort, "The port to bind the health check server. Use 0 to disable.")
fs.IPVar(&s.HealthzBindAddress, "healthz-bind-address", s.HealthzBindAddress, "The IP address for the health check 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 kube-proxy process. Values must be within the range [-1000, 1000]")
fs.StringVar(&s.ResourceContainer, "resource-container", s.ResourceContainer, "Absolute name of the resource-only container to create and run the Kube-proxy in (Default: /kube-proxy).")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization information (the master location is set by the master flag).")
fs.Var(&s.PortRange, "proxy-port-range", "Range of host ports (beginPort-endPort, inclusive) that may be consumed in order to proxy service traffic. If unspecified (0-0) then ports will be randomly chosen.")
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.ProxyMode, "proxy-mode", "", "Which proxy mode to use: 'userspace' (older, stable) or 'iptables' (experimental). If blank, look at the Node object on the Kubernetes API and respect the '"+experimentalProxyModeAnnotation+"' annotation if provided. Otherwise use the best-available proxy (currently userspace, but may change in future versions). 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.DurationVar(&s.SyncPeriod, "iptables-sync-period", s.SyncPeriod, "How often iptables rules are refreshed (e.g. '5s', '1m', '2h22m'). Must be greater than 0.")
fs.BoolVar(&s.MasqueradeAll, "masquerade-all", false, "If using the pure iptables proxy, SNAT everything")
fs.BoolVar(&s.CleanupAndExit, "cleanup-iptables", false, "If true cleanup iptables rules and exit.")
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")
}
func (o *NodeControllerOptions) AddFlags(fs *pflag.FlagSet) {
fs.BoolVar(&o.AllocateNodeCIDRs, "allocate-node-cidrs", o.AllocateNodeCIDRs, "Should CIDRs for Pods be allocated and set on the cloud provider.")
fs.IPNetVar(&o.ClusterCIDR, "cluster-cidr", o.ClusterCIDR, "CIDR Range for Pods in cluster.")
fs.IntVar(&o.DeletingPodsBurst, "deleting-pods-burst", o.DeletingPodsBurst,
"Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
fs.Float32Var(&o.DeletingPodsQps, "deleting-pods-qps", o.DeletingPodsQps,
"Number of nodes per second on which pods are deleted in case of node failure.")
fs.DurationVar(&o.NodeMonitorGracePeriod, "node-monitor-grace-period", o.NodeMonitorGracePeriod,
"Amount of time which we allow running Node to be unresponsive before marking it unhealty. "+
"Must be N times more than kubelet's nodeStatusUpdateFrequency, "+
"where N means number of retries allowed for kubelet to post node status.")
fs.DurationVar(&o.NodeMonitorPeriod, "node-monitor-period", o.NodeMonitorPeriod,
"The period for syncing NodeStatus in NodeController.")
fs.DurationVar(&o.NodeStartupGracePeriod, "node-startup-grace-period", o.NodeStartupGracePeriod,
"Amount of time which we allow starting Node to be unresponsive before marking it unhealty.")
fs.DurationVar(&o.PodEvictionTimeout, "pod-eviction-timeout", o.PodEvictionTimeout,
"The grace period for deleting pods on failed nodes.")
}
// AddFlags adds flags for a specific SchedulerServer to the specified FlagSet
func (s *SchedulerServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.Port, "port", s.Port, "The port that the scheduler's http service runs on")
fs.StringVar(&s.Address, "address", s.Address, "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
fs.StringVar(&s.AlgorithmProvider, "algorithm-provider", s.AlgorithmProvider, "The scheduling algorithm provider to use, one of: "+factory.ListAlgorithmProviders())
fs.StringVar(&s.PolicyConfigFile, "policy-config-file", s.PolicyConfigFile, "File with scheduler policy configuration")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
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.")
var unusedBindPodsQPS float32
fs.Float32Var(&unusedBindPodsQPS, "bind-pods-qps", 0, "unused, use --kube-api-qps")
fs.MarkDeprecated("bind-pods-qps", "flag is unused and will be removed. Use kube-api-qps instead.")
var unusedBindPodsBurst int
fs.IntVar(&unusedBindPodsBurst, "bind-pods-burst", 0, "unused, use --kube-api-burst")
fs.MarkDeprecated("bind-pods-burst", "flag is unused and will be removed. Use kube-api-burst instead.")
fs.StringVar(&s.ContentType, "kube-api-content-type", s.ContentType, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
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.StringVar(&s.SchedulerName, "scheduler-name", s.SchedulerName, "Name of the scheduler, used to select which pods will be processed by this scheduler, based on pod's annotation with key 'scheduler.alpha.kubernetes.io/name'")
leaderelection.BindFlags(&s.LeaderElection, fs)
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&s.Port, "port", s.Port, "The port that the controller-manager's http service runs on")
fs.Var(&s.Address, "address", "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
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.IntVar(&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.StringVar(&s.MinionRegexp, "minion_regexp", s.MinionRegexp, "If non empty, and --cloud_provider is specified, a regular expression for matching minion VMs.")
fs.DurationVar(&s.NodeSyncPeriod, "node_sync_period", s.NodeSyncPeriod, ""+
"The period for syncing nodes from cloudprovider. Longer periods will result in "+
"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
fs.DurationVar(&s.ResourceQuotaSyncPeriod, "resource_quota_sync_period", s.ResourceQuotaSyncPeriod, "The period for syncing quota usage status in the system")
fs.DurationVar(&s.NamespaceSyncPeriod, "namespace_sync_period", s.NamespaceSyncPeriod, "The period for syncing namespace life-cycle updates")
fs.DurationVar(&s.PodEvictionTimeout, "pod_eviction_timeout", s.PodEvictionTimeout, "The grace peroid 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.IntVar(&s.DeletingPodsBurst, "deleting_pods_burst", 10, "Number of nodes on which pods are bursty deleted in case of node failure. For more details look into RateLimiter.")
fs.IntVar(&s.RegisterRetryCount, "register_retry_count", s.RegisterRetryCount, ""+
"The number of retries for initial node registration. Retry interval equals node_sync_period.")
fs.Var(&s.MachineList, "machines", "List of machines to schedule onto, comma separated.")
fs.BoolVar(&s.SyncNodeList, "sync_nodes", s.SyncNodeList, "If true, and --cloud_provider is specified, sync nodes from the cloud provider. Default true.")
fs.BoolVar(&s.SyncNodeStatus, "sync_node_status", s.SyncNodeStatus,
"DEPRECATED. Does not have any effect now and it will be removed in a later release.")
fs.DurationVar(&s.NodeMonitorGracePeriod, "node_monitor_grace_period", 40*time.Second,
"Amount of time which we allow running Node to be unresponsive before marking it unhealty. "+
"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, "node_startup_grace_period", 60*time.Second,
"Amount of time which we allow starting Node to be unresponsive before marking it unhealty.")
fs.DurationVar(&s.NodeMonitorPeriod, "node_monitor_period", 5*time.Second,
"The period for syncing NodeStatus in NodeController.")
// TODO: Discover these by pinging the host machines, and rip out these flags.
// TODO: in the meantime, use resource.QuantityFlag() instead of these
fs.Int64Var(&s.NodeMilliCPU, "node_milli_cpu", s.NodeMilliCPU, "The amount of MilliCPU provisioned on each node")
fs.Var(resource.NewQuantityFlagValue(&s.NodeMemory), "node_memory", "The amount of memory (in bytes) provisioned on each node")
fs.StringVar(&s.ClusterName, "cluster_name", s.ClusterName, "The instance prefix for the cluster")
fs.BoolVar(&s.EnableProfiling, "profiling", false, "Enable profiling via web interface host:port/debug/pprof/")
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.")
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IPVar(&s.Address, "address", s.Address, "The IP address to serve on (set to 0.0.0.0 for all interfaces)")
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.CloudProvider, "cloud-provider", s.CloudProvider, "The provider for cloud services. Empty string for no provider.")
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.IntVar(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver")
fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver")
fs.StringVar(&s.Kubeconfig, "kubeconfig", s.Kubeconfig, "Path to kubeconfig file with authorization and master location information.")
fs.StringVar(&s.Master, "master", s.Master, "The address of the Kubernetes API server (overrides any value in kubeconfig)")
fs.DurationVar(&s.MinResyncPeriod, "min-resync-period", s.MinResyncPeriod, "The resync period in reflectors will be random between MinResyncPeriod and 2*MinResyncPeriod")
fs.IntVar(&s.Port, "port", s.Port, "The port that the controller-manager's http service runs on")
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.DurationVar(&s.NodeSyncPeriod, "node-sync-period", s.NodeSyncPeriod, ""+
"The period for syncing nodes from cloudprovider. Longer periods will result in "+
"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
s.LeaderElection.AddFlags(fs)
s.DaemonControllerOptions.AddFlags(fs)
s.DeploymentControllerOptions.AddFlags(fs)
s.EndpointControllerOptions.AddFlags(fs)
s.GarbageCollectorOptions.AddFlags(fs)
s.JobControllerOptions.AddFlags(fs)
s.NamespaceControllerOptions.AddFlags(fs)
s.NodeControllerOptions.AddFlags(fs)
s.PersistentVolumeControllerOptions.AddFlags(fs)
s.PodAutoscalerOptions.AddFlags(fs)
s.ReplicationControllerOptions.AddFlags(fs)
s.ResourceQuotaControllerOptions.AddFlags(fs)
s.ServiceControllerOptions.AddFlags(fs)
s.ServiceAccountControllerOptions.AddFlags(fs)
fs.DurationVar(&s.DeploymentControllerSyncPeriod, "deployment-controller-sync-period", 0, "Period for syncing the deployments.")
fs.MarkDeprecated("deployment-controller-sync-period", "This flag is currently no-op and will be deleted.")
fs.IntVar(&s.RegisterRetryCount, "register-retry-count", 0, ""+
"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.")
}
// AddFlags adds flags for a specific CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.IntVar(&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.StringVar(&s.FederationName, "federation-name", s.FederationName, "Federation name.")
fs.StringVar(&s.ZoneName, "zone-name", s.ZoneName, "Zone name, like example.com.")
fs.StringVar(&s.ZoneID, "zone-id", s.ZoneID, "Zone ID, needed if the zone name is not unique.")
fs.StringVar(&s.ServiceDnsSuffix, "service-dns-suffix", s.ServiceDnsSuffix, "DNS Suffix to use when publishing federated service names. Defaults to zone-name")
fs.IntVar(&s.ConcurrentServiceSyncs, "concurrent-service-syncs", s.ConcurrentServiceSyncs, "The number of service syncing operations that will be done concurrently. Larger number = faster endpoint updating, but more CPU (and network) load")
fs.IntVar(&s.ConcurrentReplicaSetSyncs, "concurrent-replicaset-syncs", s.ConcurrentReplicaSetSyncs, "The number of ReplicaSets syncing operations that will be done concurrently. Larger number = faster endpoint updating, but more CPU (and network) load")
fs.DurationVar(&s.ClusterMonitorPeriod.Duration, "cluster-monitor-period", s.ClusterMonitorPeriod.Duration, "The period for syncing ClusterStatus in ClusterController.")
fs.BoolVar(&s.EnableProfiling, "profiling", true, "Enable profiling via web interface host:port/debug/pprof/")
fs.StringVar(&s.Master, "master", s.Master, "The address of the federation 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.ContentType, "kube-api-content-type", s.ContentType, "ContentType of requests sent to apiserver. Passing application/vnd.kubernetes.protobuf is an experimental feature now.")
fs.Float32Var(&s.APIServerQPS, "federated-api-qps", s.APIServerQPS, "QPS to use while talking with federation apiserver")
fs.IntVar(&s.APIServerBurst, "federated-api-burst", s.APIServerBurst, "Burst to use while talking with federation apiserver")
fs.StringVar(&s.DnsProvider, "dns-provider", s.DnsProvider, "DNS provider. Valid values are: "+fmt.Sprintf("%q", dnsprovider.RegisteredDnsProviders()))
fs.StringVar(&s.DnsConfigFile, "dns-provider-config", s.DnsConfigFile, "Path to config file for configuring DNS provider.")
fs.Var(&s.Controllers, "controllers", ""+
"A set of key=value pairs that describe controller configuration that may be passed "+
"to controller manager to enable/disable specific controllers. Valid options are: \n"+
"ingress=true|false (default=true)")
leaderelection.BindFlags(&s.LeaderElection, 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, "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 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 *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.")
}
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 CMServer to the specified FlagSet
func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
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.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", s.NodeSyncPeriod.Duration, ""+
"The period for syncing nodes from cloudprovider. Longer periods will result in "+
"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
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 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. ")
leaderelection.BindFlags(&s.LeaderElection, fs)
config.DefaultFeatureGate.AddFlag(fs)
}
