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modify kube-controller manager config struct to adapt option change

pull/8/head
stewart-yu 2018-05-16 16:45:30 +08:00
parent 14f7b959ff
commit f21475ac95
4 changed files with 60 additions and 112 deletions
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64
cmd/controller-manager/app/config.go
View File

@ -1,64 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package app
import (
apiserver "k8s.io/apiserver/pkg/server"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/record"
"k8s.io/kubernetes/pkg/apis/componentconfig"
)
// Config is the main context object for the controller manager.
type Config struct {
ComponentConfig componentconfig.KubeControllerManagerConfiguration
SecureServing *apiserver.SecureServingInfo
// TODO: remove deprecated insecure serving
InsecureServing *InsecureServingInfo
Authentication apiserver.AuthenticationInfo
Authorization apiserver.AuthorizationInfo
// the general kube client
Client *clientset.Clientset
// the client only used for leader election
LeaderElectionClient *clientset.Clientset
// the rest config for the master
Kubeconfig *restclient.Config
// the event sink
EventRecorder record.EventRecorder
}
type completedConfig struct {
*Config
}
// CompletedConfig same as Config, just to swap private object.
type CompletedConfig struct {
// Embed a private pointer that cannot be instantiated outside of this package.
*completedConfig
}
// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
func (c *Config) Complete() CompletedConfig {
cc := completedConfig{c}
return CompletedConfig{&cc}
}

14
cmd/controller-manager/app/serve.go
View File

@ -24,21 +24,23 @@ import (
genericapifilters "k8s.io/apiserver/pkg/endpoints/filters"
apirequest "k8s.io/apiserver/pkg/endpoints/request"
apiserver "k8s.io/apiserver/pkg/server"
genericfilters "k8s.io/apiserver/pkg/server/filters"
"k8s.io/apiserver/pkg/server/healthz"
"k8s.io/apiserver/pkg/server/mux"
"k8s.io/apiserver/pkg/server/routes"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/apis/componentconfig"
"k8s.io/kubernetes/pkg/util/configz"
)
// BuildHandlerChain builds a handler chain with a base handler and CompletedConfig.
func BuildHandlerChain(apiHandler http.Handler, c *CompletedConfig) http.Handler {
func BuildHandlerChain(apiHandler http.Handler, authorizationInfo *apiserver.AuthorizationInfo, authenticationInfo *apiserver.AuthenticationInfo) http.Handler {
requestInfoResolver := &apirequest.RequestInfoFactory{}
failedHandler := genericapifilters.Unauthorized(legacyscheme.Codecs, false)
handler := genericapifilters.WithAuthorization(apiHandler, c.Authorization.Authorizer, legacyscheme.Codecs)
handler = genericapifilters.WithAuthentication(handler, c.Authentication.Authenticator, failedHandler)
handler := genericapifilters.WithAuthorization(apiHandler, authorizationInfo.Authorizer, legacyscheme.Codecs)
handler = genericapifilters.WithAuthentication(handler, authenticationInfo.Authenticator, failedHandler)
handler = genericapifilters.WithRequestInfo(handler, requestInfoResolver)
handler = genericfilters.WithPanicRecovery(handler)
@ -46,12 +48,12 @@ func BuildHandlerChain(apiHandler http.Handler, c *CompletedConfig) http.Handler
}
// NewBaseHandler takes in CompletedConfig and returns a handler.
func NewBaseHandler(c *CompletedConfig) http.Handler {
func NewBaseHandler(c *componentconfig.DebuggingConfiguration) http.Handler {
mux := mux.NewPathRecorderMux("controller-manager")
healthz.InstallHandler(mux)
if c.ComponentConfig.Debugging.EnableProfiling {
if c.EnableProfiling {
routes.Profiling{}.Install(mux)
if c.ComponentConfig.Debugging.EnableContentionProfiling {
if c.EnableContentionProfiling {
goruntime.SetBlockProfileRate(1)
}
}

42
cmd/kube-controller-manager/app/config/config.go
View File

@ -17,25 +17,39 @@ limitations under the License.
package config
import (
"time"
apiserver "k8s.io/apiserver/pkg/server"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/record"
genericcontrollermanager "k8s.io/kubernetes/cmd/controller-manager/app"
"k8s.io/kubernetes/pkg/apis/componentconfig"
)
// ExtraConfig are part of Config, also can place your custom config here.
type ExtraConfig struct {
NodeStatusUpdateFrequency time.Duration
}
// Config is the main context object for the controller manager.
type Config struct {
Generic genericcontrollermanager.Config
Extra ExtraConfig
ComponentConfig componentconfig.KubeControllerManagerConfiguration
SecureServing *apiserver.SecureServingInfo
// TODO: remove deprecated insecure serving
InsecureServing *genericcontrollermanager.InsecureServingInfo
Authentication apiserver.AuthenticationInfo
Authorization apiserver.AuthorizationInfo
// the general kube client
Client *clientset.Clientset
// the client only used for leader election
LeaderElectionClient *clientset.Clientset
// the rest config for the master
Kubeconfig *restclient.Config
// the event sink
EventRecorder record.EventRecorder
}
type completedConfig struct {
Generic genericcontrollermanager.CompletedConfig
Extra *ExtraConfig
*Config
}
// CompletedConfig same as Config, just to swap private object.
@ -46,10 +60,6 @@ type CompletedConfig struct {
// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
func (c *Config) Complete() *CompletedConfig {
cc := completedConfig{
c.Generic.Complete(),
&c.Extra,
}
cc := completedConfig{c}
return &CompletedConfig{&cc}
}

52
cmd/kube-controller-manager/app/controllermanager.go
View File

@ -108,7 +108,7 @@ controller, and serviceaccounts controller.`,
func ResyncPeriod(c *config.CompletedConfig) func() time.Duration {
return func() time.Duration {
factor := rand.Float64() + 1
return time.Duration(float64(c.Generic.ComponentConfig.GenericComponent.MinResyncPeriod.Nanoseconds()) * factor)
return time.Duration(float64(c.ComponentConfig.GenericComponent.MinResyncPeriod.Nanoseconds()) * factor)
}
}
@ -118,43 +118,43 @@ func Run(c *config.CompletedConfig) error {
glog.Infof("Version: %+v", version.Get())
if cfgz, err := configz.New("componentconfig"); err == nil {
cfgz.Set(c.Generic.ComponentConfig)
cfgz.Set(c.ComponentConfig)
} else {
glog.Errorf("unable to register configz: %c", err)
}
// Start the controller manager HTTP server
stopCh := make(chan struct{})
if c.Generic.SecureServing != nil {
handler := genericcontrollermanager.NewBaseHandler(&c.Generic)
handler = genericcontrollermanager.BuildHandlerChain(handler, &c.Generic)
if err := c.Generic.SecureServing.Serve(handler, 0, stopCh); err != nil {
if c.SecureServing != nil {
handler := genericcontrollermanager.NewBaseHandler(&c.ComponentConfig.Debugging)
handler = genericcontrollermanager.BuildHandlerChain(handler, &c.Authorization, &c.Authentication)
if err := c.SecureServing.Serve(handler, 0, stopCh); err != nil {
return err
}
}
if c.Generic.InsecureServing != nil {
handler := genericcontrollermanager.NewBaseHandler(&c.Generic)
handler = genericcontrollermanager.BuildHandlerChain(handler, &c.Generic)
if err := c.Generic.InsecureServing.Serve(handler, 0, stopCh); err != nil {
if c.InsecureServing != nil {
handler := genericcontrollermanager.NewBaseHandler(&c.ComponentConfig.Debugging)
handler = genericcontrollermanager.BuildHandlerChain(handler, &c.Authorization, &c.Authentication)
if err := c.InsecureServing.Serve(handler, 0, stopCh); err != nil {
return err
}
}
run := func(stop <-chan struct{}) {
rootClientBuilder := controller.SimpleControllerClientBuilder{
ClientConfig: c.Generic.Kubeconfig,
ClientConfig: c.Kubeconfig,
}
var clientBuilder controller.ControllerClientBuilder
if c.Generic.ComponentConfig.KubeCloudShared.UseServiceAccountCredentials {
if len(c.Generic.ComponentConfig.KubeCloudShared.ServiceAccountKeyFile) == 0 {
if c.ComponentConfig.KubeCloudShared.UseServiceAccountCredentials {
if len(c.ComponentConfig.KubeCloudShared.ServiceAccountKeyFile) == 0 {
// It'c possible another controller process is creating the tokens for us.
// If one isn't, we'll timeout and exit when our client builder is unable to create the tokens.
glog.Warningf("--use-service-account-credentials was specified without providing a --service-account-private-key-file")
}
clientBuilder = controller.SAControllerClientBuilder{
ClientConfig: restclient.AnonymousClientConfig(c.Generic.Kubeconfig),
CoreClient: c.Generic.Client.CoreV1(),
AuthenticationClient: c.Generic.Client.AuthenticationV1(),
ClientConfig: restclient.AnonymousClientConfig(c.Kubeconfig),
CoreClient: c.Client.CoreV1(),
AuthenticationClient: c.Client.AuthenticationV1(),
Namespace: "kube-system",
}
} else {
@ -176,7 +176,7 @@ func Run(c *config.CompletedConfig) error {
select {}
}
if !c.Generic.ComponentConfig.GenericComponent.LeaderElection.LeaderElect {
if !c.ComponentConfig.GenericComponent.LeaderElection.LeaderElect {
run(wait.NeverStop)
panic("unreachable")
}
@ -188,13 +188,13 @@ func Run(c *config.CompletedConfig) error {
// add a uniquifier so that two processes on the same host don't accidentally both become active
id = id + "_" + string(uuid.NewUUID())
rl, err := resourcelock.New(c.Generic.ComponentConfig.GenericComponent.LeaderElection.ResourceLock,
rl, err := resourcelock.New(c.ComponentConfig.GenericComponent.LeaderElection.ResourceLock,
"kube-system",
"kube-controller-manager",
c.Generic.LeaderElectionClient.CoreV1(),
c.LeaderElectionClient.CoreV1(),
resourcelock.ResourceLockConfig{
Identity: id,
EventRecorder: c.Generic.EventRecorder,
EventRecorder: c.EventRecorder,
})
if err != nil {
glog.Fatalf("error creating lock: %v", err)
@ -202,9 +202,9 @@ func Run(c *config.CompletedConfig) error {
leaderelection.RunOrDie(leaderelection.LeaderElectionConfig{
Lock: rl,
LeaseDuration: c.Generic.ComponentConfig.GenericComponent.LeaderElection.LeaseDuration.Duration,
RenewDeadline: c.Generic.ComponentConfig.GenericComponent.LeaderElection.RenewDeadline.Duration,
RetryPeriod: c.Generic.ComponentConfig.GenericComponent.LeaderElection.RetryPeriod.Duration,
LeaseDuration: c.ComponentConfig.GenericComponent.LeaderElection.LeaseDuration.Duration,
RenewDeadline: c.ComponentConfig.GenericComponent.LeaderElection.RenewDeadline.Duration,
RetryPeriod: c.ComponentConfig.GenericComponent.LeaderElection.RetryPeriod.Duration,
Callbacks: leaderelection.LeaderCallbacks{
OnStartedLeading: run,
OnStoppedLeading: func() {
@ -409,8 +409,8 @@ func CreateControllerContext(s *config.CompletedConfig, rootClientBuilder, clien
return ControllerContext{}, err
}
cloud, loopMode, err := createCloudProvider(s.Generic.ComponentConfig.CloudProvider.Name, s.Generic.ComponentConfig.ExternalCloudVolumePlugin,
s.Generic.ComponentConfig.CloudProvider.CloudConfigFile, s.Generic.ComponentConfig.KubeCloudShared.AllowUntaggedCloud, sharedInformers)
cloud, loopMode, err := createCloudProvider(s.ComponentConfig.CloudProvider.Name, s.ComponentConfig.ExternalCloudVolumePlugin,
s.ComponentConfig.CloudProvider.CloudConfigFile, s.ComponentConfig.KubeCloudShared.AllowUntaggedCloud, sharedInformers)
if err != nil {
return ControllerContext{}, err
}
@ -418,7 +418,7 @@ func CreateControllerContext(s *config.CompletedConfig, rootClientBuilder, clien
ctx := ControllerContext{
ClientBuilder: clientBuilder,
InformerFactory: sharedInformers,
ComponentConfig: s.Generic.ComponentConfig,
ComponentConfig: s.ComponentConfig,
RESTMapper: restMapper,
AvailableResources: availableResources,
Cloud: cloud,