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Add --kubelet-client-{certificate,key} to the apiserver args and make it allowed to access the kubelets

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This commit is contained in:
Lucas Käldström 2017-01-23 13:16:04 +02:00
parent 6579c94559
commit 6a37f450ae
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GPG Key ID: 3FA3783D77751514
4 changed files with 13 additions and 7 deletions
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6
cmd/kubeadm/app/cmd/init.go
View File

@ -168,12 +168,6 @@ func NewInit(cfgPath string, cfg *kubeadmapi.MasterConfiguration, skipPreFlight
// Try to start the kubelet service in case it's inactive
preflight.TryStartKubelet()
// Warn about the limitations with the current cloudprovider solution.
if cfg.CloudProvider != "" {
fmt.Println("WARNING: For cloudprovider integrations to work --cloud-provider must be set for all kubelets in the cluster.")
fmt.Println("\t(/etc/systemd/system/kubelet.service.d/10-kubeadm.conf should be edited for this purpose)")
}
return &Init{cfg: cfg, selfHosted: selfHosted}, nil
}

2
cmd/kubeadm/app/master/manifests.go
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@ -322,6 +322,8 @@ func getAPIServerCommand(cfg *kubeadmapi.MasterConfiguration, selfHosted bool) [
"--client-ca-file="+getCertFilePath(kubeadmconstants.CACertName),
"--tls-cert-file="+getCertFilePath(kubeadmconstants.APIServerCertName),
"--tls-private-key-file="+getCertFilePath(kubeadmconstants.APIServerKeyName),
"--kubelet-client-certificate="+getCertFilePath(kubeadmconstants.APIServerCertName),
"--kubelet-client-key="+getCertFilePath(kubeadmconstants.APIServerKeyName),
"--token-auth-file="+kubeadmapi.GlobalEnvParams.HostPKIPath+"/tokens.csv",
fmt.Sprintf("--secure-port=%d", cfg.API.Port),
"--allow-privileged",

8
cmd/kubeadm/app/master/manifests_test.go
View File

@ -376,6 +376,8 @@ func TestGetAPIServerCommand(t *testing.T) {
"--client-ca-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/ca.crt",
"--tls-cert-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--tls-private-key-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--kubelet-client-certificate=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--kubelet-client-key=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--token-auth-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/tokens.csv",
fmt.Sprintf("--secure-port=%d", 123),
"--allow-privileged",
@ -397,6 +399,8 @@ func TestGetAPIServerCommand(t *testing.T) {
"--client-ca-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/ca.crt",
"--tls-cert-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--tls-private-key-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--kubelet-client-certificate=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--kubelet-client-key=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--token-auth-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/tokens.csv",
fmt.Sprintf("--secure-port=%d", 123),
"--allow-privileged",
@ -420,6 +424,8 @@ func TestGetAPIServerCommand(t *testing.T) {
"--client-ca-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/ca.crt",
"--tls-cert-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--tls-private-key-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--kubelet-client-certificate=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--kubelet-client-key=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--token-auth-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/tokens.csv",
fmt.Sprintf("--secure-port=%d", 123),
"--allow-privileged",
@ -445,6 +451,8 @@ func TestGetAPIServerCommand(t *testing.T) {
"--client-ca-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/ca.crt",
"--tls-cert-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--tls-private-key-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--kubelet-client-certificate=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.crt",
"--kubelet-client-key=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/apiserver.key",
"--token-auth-file=" + kubeadmapi.GlobalEnvParams.HostPKIPath + "/tokens.csv",
fmt.Sprintf("--secure-port=%d", 123),
"--allow-privileged",

4
cmd/kubeadm/app/phases/certs/certs.go
View File

@ -123,7 +123,9 @@ func CreatePKIAssets(cfg *kubeadmapi.MasterConfiguration, pkiDir string) error {
config := certutil.Config{
CommonName: "kube-apiserver",
AltNames: altNames,
Usages: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
// This makes the apiserver allowed to talk to the kubelets in the cluster
Organization: []string{"system:masters"},
Usages: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
}
apiCert, apiKey, err := pkiutil.NewCertAndKey(caCert, caKey, config)
if err != nil {