func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient *kclient.Client) (*MasterConfig, error) {
if options.KubernetesMasterConfig == nil {
return nil, errors.New("insufficient information to build KubernetesMasterConfig")
}
// Connect and setup etcd interfaces
etcdClient, err := etcd.EtcdClient(options.EtcdClientInfo)
if err != nil {
return nil, err
}
databaseStorage, err := master.NewEtcdStorage(etcdClient, kapilatest.InterfacesFor, options.EtcdStorageConfig.KubernetesStorageVersion, options.EtcdStorageConfig.KubernetesStoragePrefix)
if err != nil {
return nil, fmt.Errorf("Error setting up Kubernetes server storage: %v", err)
}
kubeletClientConfig := configapi.GetKubeletClientConfig(options)
kubeletClient, err := kclient.NewKubeletClient(kubeletClientConfig)
if err != nil {
return nil, fmt.Errorf("unable to configure Kubelet client: %v", err)
}
// in-order list of plug-ins that should intercept admission decisions
// TODO: Push node environment support to upstream in future
_, portString, err := net.SplitHostPort(options.ServingInfo.BindAddress)
if err != nil {
return nil, err
}
port, err := strconv.Atoi(portString)
if err != nil {
return nil, err
}
portRange, err := util.ParsePortRange(options.KubernetesMasterConfig.ServicesNodePortRange)
if err != nil {
return nil, err
}
podEvictionTimeout, err := time.ParseDuration(options.KubernetesMasterConfig.PodEvictionTimeout)
if err != nil {
return nil, fmt.Errorf("unable to parse PodEvictionTimeout: %v", err)
}
server := app.NewAPIServer()
server.EventTTL = 2 * time.Hour
server.ServiceClusterIPRange = net.IPNet(flagtypes.DefaultIPNet(options.KubernetesMasterConfig.ServicesSubnet))
server.ServiceNodePortRange = *portRange
server.AdmissionControl = strings.Join(AdmissionPlugins, ",")
// resolve extended arguments
// TODO: this should be done in config validation (along with the above) so we can provide
// proper errors
if err := cmdflags.Resolve(options.KubernetesMasterConfig.APIServerArguments, server.AddFlags); len(err) > 0 {
return nil, kerrors.NewAggregate(err)
}
cmserver := cmapp.NewCMServer()
cmserver.PodEvictionTimeout = podEvictionTimeout
// resolve extended arguments
// TODO: this should be done in config validation (along with the above) so we can provide
// proper errors
if err := cmdflags.Resolve(options.KubernetesMasterConfig.ControllerArguments, cmserver.AddFlags); len(err) > 0 {
return nil, kerrors.NewAggregate(err)
}
cloud, err := cloudprovider.InitCloudProvider(cmserver.CloudProvider, cmserver.CloudConfigFile)
if err != nil {
return nil, err
}
plugins := []admission.Interface{}
for _, pluginName := range strings.Split(server.AdmissionControl, ",") {
switch pluginName {
case saadmit.PluginName:
// we need to set some custom parameters on the service account admission controller, so create that one by hand
saAdmitter := saadmit.NewServiceAccount(kubeClient)
saAdmitter.LimitSecretReferences = options.ServiceAccountConfig.LimitSecretReferences
saAdmitter.Run()
plugins = append(plugins, saAdmitter)
default:
plugin := admission.InitPlugin(pluginName, kubeClient, server.AdmissionControlConfigFile)
if plugin != nil {
plugins = append(plugins, plugin)
}
}
}
admissionController := admission.NewChainHandler(plugins...)
var proxyClientCerts []tls.Certificate
if len(options.KubernetesMasterConfig.ProxyClientInfo.CertFile) > 0 {
clientCert, err := tls.LoadX509KeyPair(
options.KubernetesMasterConfig.ProxyClientInfo.CertFile,
options.KubernetesMasterConfig.ProxyClientInfo.KeyFile,
)
if err != nil {
return nil, err
}
proxyClientCerts = append(proxyClientCerts, clientCert)
}
m := &master.Config{
PublicAddress: net.ParseIP(options.KubernetesMasterConfig.MasterIP),
ReadWritePort: port,
DatabaseStorage: databaseStorage,
ExpDatabaseStorage: databaseStorage,
EventTTL: server.EventTTL,
//MinRequestTimeout: server.MinRequestTimeout,
ServiceClusterIPRange: (*net.IPNet)(&server.ServiceClusterIPRange),
ServiceNodePortRange: server.ServiceNodePortRange,
RequestContextMapper: requestContextMapper,
KubeletClient: kubeletClient,
APIPrefix: KubeAPIPrefix,
EnableCoreControllers: true,
MasterCount: options.KubernetesMasterConfig.MasterCount,
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admissionController,
EnableV1Beta3: configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1beta3"),
DisableV1: !configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1"),
// Set the TLS options for proxying to pods and services
// Proxying to nodes uses the kubeletClient TLS config (so can provide a different cert, and verify the node hostname)
ProxyTLSClientConfig: &tls.Config{
// Proxying to pods and services cannot verify hostnames, since they are contacted on randomly allocated IPs
InsecureSkipVerify: true,
Certificates: proxyClientCerts,
},
}
kmaster := &MasterConfig{
Options: *options.KubernetesMasterConfig,
KubeClient: kubeClient,
Master: m,
ControllerManager: cmserver,
CloudProvider: cloud,
}
return kmaster, nil
}
func BuildKubernetesMasterConfig(options configapi.MasterConfig, requestContextMapper kapi.RequestContextMapper, kubeClient *kclient.Client) (*MasterConfig, error) {
if options.KubernetesMasterConfig == nil {
return nil, errors.New("insufficient information to build KubernetesMasterConfig")
}
// Connect and setup etcd interfaces
etcdClient, err := etcd.GetAndTestEtcdClient(options.EtcdClientInfo)
if err != nil {
return nil, err
}
databaseStorage, err := master.NewEtcdStorage(etcdClient, kapilatest.InterfacesFor, options.EtcdStorageConfig.KubernetesStorageVersion, options.EtcdStorageConfig.KubernetesStoragePrefix)
if err != nil {
return nil, fmt.Errorf("Error setting up Kubernetes server storage: %v", err)
}
kubeletClientConfig := configapi.GetKubeletClientConfig(options)
kubeletClient, err := kclient.NewKubeletClient(kubeletClientConfig)
if err != nil {
return nil, fmt.Errorf("unable to configure Kubelet client: %v", err)
}
// in-order list of plug-ins that should intercept admission decisions
// TODO: Push node environment support to upstream in future
_, portString, err := net.SplitHostPort(options.ServingInfo.BindAddress)
if err != nil {
return nil, err
}
port, err := strconv.Atoi(portString)
if err != nil {
return nil, err
}
portRange, err := util.ParsePortRange(options.KubernetesMasterConfig.ServicesNodePortRange)
if err != nil {
return nil, err
}
podEvictionTimeout, err := time.ParseDuration(options.KubernetesMasterConfig.PodEvictionTimeout)
if err != nil {
return nil, fmt.Errorf("unable to parse PodEvictionTimeout: %v", err)
}
server := app.NewAPIServer()
server.EventTTL = 2 * time.Hour
server.ServiceClusterIPRange = util.IPNet(flagtypes.DefaultIPNet(options.KubernetesMasterConfig.ServicesSubnet))
server.ServiceNodePortRange = *portRange
server.AdmissionControl = strings.Join([]string{
"NamespaceExists", "NamespaceLifecycle", "OriginPodNodeEnvironment", "LimitRanger", "ServiceAccount", "SecurityContextConstraint", "ResourceQuota",
}, ",")
// resolve extended arguments
// TODO: this should be done in config validation (along with the above) so we can provide
// proper errors
if err := cmdflags.Resolve(options.KubernetesMasterConfig.APIServerArguments, server.AddFlags); len(err) > 0 {
return nil, kerrors.NewAggregate(err)
}
cmserver := cmapp.NewCMServer()
cmserver.PodEvictionTimeout = podEvictionTimeout
// resolve extended arguments
// TODO: this should be done in config validation (along with the above) so we can provide
// proper errors
if err := cmdflags.Resolve(options.KubernetesMasterConfig.ControllerArguments, cmserver.AddFlags); len(err) > 0 {
return nil, kerrors.NewAggregate(err)
}
cloud, err := cloudprovider.InitCloudProvider(cmserver.CloudProvider, cmserver.CloudConfigFile)
if err != nil {
return nil, err
}
admissionController := admission.NewFromPlugins(kubeClient, strings.Split(server.AdmissionControl, ","), server.AdmissionControlConfigFile)
m := &master.Config{
PublicAddress: net.ParseIP(options.KubernetesMasterConfig.MasterIP),
ReadWritePort: port,
DatabaseStorage: databaseStorage,
ExpDatabaseStorage: databaseStorage,
EventTTL: server.EventTTL,
//MinRequestTimeout: server.MinRequestTimeout,
ServiceClusterIPRange: (*net.IPNet)(&server.ServiceClusterIPRange),
ServiceNodePortRange: server.ServiceNodePortRange,
RequestContextMapper: requestContextMapper,
KubeletClient: kubeletClient,
APIPrefix: KubeAPIPrefix,
EnableCoreControllers: true,
MasterCount: options.KubernetesMasterConfig.MasterCount,
Authorizer: apiserver.NewAlwaysAllowAuthorizer(),
AdmissionControl: admissionController,
EnableV1Beta3: configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1beta3"),
DisableV1: !configapi.HasKubernetesAPILevel(*options.KubernetesMasterConfig, "v1"),
}
kmaster := &MasterConfig{
Options: *options.KubernetesMasterConfig,
KubeClient: kubeClient,
Master: m,
ControllerManager: cmserver,
CloudProvider: cloud,
}
return kmaster, nil
}