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Allow kube-proxy using InClusterConfig()

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This commit is contained in:
Zihong Zheng 2017-09-07 18:34:28 -07:00
parent fcde4c9b24
commit bc9d4ad66e
2 changed files with 14 additions and 8 deletions
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1
cmd/kube-proxy/app/BUILD
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@ -66,6 +66,7 @@ go_library(
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
"//vendor/k8s.io/client-go/rest:go_default_library",
"//vendor/k8s.io/client-go/tools/clientcmd:go_default_library",
"//vendor/k8s.io/client-go/tools/clientcmd/api:go_default_library",
"//vendor/k8s.io/client-go/tools/record:go_default_library",

21
cmd/kube-proxy/app/server.go
View File

@ -41,6 +41,7 @@ import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
clientgoclientset "k8s.io/client-go/kubernetes"
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
clientcmdapi "k8s.io/client-go/tools/clientcmd/api"
"k8s.io/client-go/tools/record"
@ -393,15 +394,19 @@ type ProxyServer struct {
// createClients creates a kube client and an event client from the given config and masterOverride.
// TODO remove masterOverride when CLI flags are removed.
func createClients(config componentconfig.ClientConnectionConfiguration, masterOverride string) (clientset.Interface, v1core.EventsGetter, error) {
if len(config.KubeConfigFile) == 0 && len(masterOverride) == 0 {
glog.Warningf("Neither --kubeconfig nor --master was specified. Using default API client. This might not work.")
}
var kubeConfig *rest.Config
var err error
// This creates a client, first loading any specified kubeconfig
// file, and then overriding the Master flag, if non-empty.
kubeConfig, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{ExplicitPath: config.KubeConfigFile},
&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: masterOverride}}).ClientConfig()
if len(config.KubeConfigFile) == 0 && len(masterOverride) == 0 {
glog.Info("Neither kubeconfig file nor master URL was specified. Falling back to in-cluster config.")
kubeConfig, err = rest.InClusterConfig()
} else {
// This creates a client, first loading any specified kubeconfig
// file, and then overriding the Master flag, if non-empty.
kubeConfig, err = clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
&clientcmd.ClientConfigLoadingRules{ExplicitPath: config.KubeConfigFile},
&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: masterOverride}}).ClientConfig()
}
if err != nil {
return nil, nil, err
}