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kubeadm: do not use --admission-control for the API server

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The API server argument --admission-control is deprecated.
Use the following arguments instead:
  --enable-admission-plugins=NodeRestriction
  --disable-admission-plugins=PersistentVolumeLabel

Add comment that PersistentVolumeLabel should be removed at some
point in 1.11.
This commit is contained in:
Lubomir I. Ivanov 2018-05-22 22:41:28 +03:00
parent d057795f3b
commit 8d84ef63ad
2 changed files with 30 additions and 16 deletions
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13
cmd/kubeadm/app/phases/controlplane/manifests.go
View File

@ -39,8 +39,6 @@ import (
"k8s.io/kubernetes/pkg/util/version"
)
const defaultAdmissionControl = "NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota"
// CreateInitStaticPodManifestFiles will write all static pod manifest files needed to bring up the control plane.
func CreateInitStaticPodManifestFiles(manifestDir string, cfg *kubeadmapi.MasterConfiguration) error {
glog.V(1).Infoln("[controlplane] creating static pod files")
@ -141,9 +139,14 @@ func createStaticPodFiles(manifestDir string, cfg *kubeadmapi.MasterConfiguratio
// getAPIServerCommand builds the right API server command from the given config object and version
func getAPIServerCommand(cfg *kubeadmapi.MasterConfiguration) []string {
defaultArguments := map[string]string{
"advertise-address": cfg.API.AdvertiseAddress,
"insecure-port": "0",
"admission-control": defaultAdmissionControl,
"advertise-address": cfg.API.AdvertiseAddress,
"insecure-port": "0",
"enable-admission-plugins": "NodeRestriction",
// TODO: remove `PersistentVolumeLabel` in kubeadm v1.11, as it's automatically disabled in v1.11.
// ref: https://github.com/kubernetes/kubernetes/pull/64326
// we can't skip it now as we support v1.10 clusters still.
// remove it from the unit tests too.
"disable-admission-plugins": "PersistentVolumeLabel",
"service-cluster-ip-range": cfg.Networking.ServiceSubnet,
"service-account-key-file": filepath.Join(cfg.CertificatesDir, kubeadmconstants.ServiceAccountPublicKeyName),
"client-ca-file": filepath.Join(cfg.CertificatesDir, kubeadmconstants.CACertName),

33
cmd/kubeadm/app/phases/controlplane/manifests_test.go
View File

@ -154,7 +154,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -196,7 +197,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -233,7 +235,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -279,7 +282,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -322,7 +326,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -360,7 +365,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -402,7 +408,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -447,7 +454,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=baz",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -491,7 +499,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -531,7 +540,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=1234",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",
@ -571,7 +581,8 @@ func TestGetAPIServerCommand(t *testing.T) {
expected: []string{
"kube-apiserver",
"--insecure-port=0",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,DefaultTolerationSeconds,NodeRestriction,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota",
"--enable-admission-plugins=NodeRestriction",
"--disable-admission-plugins=PersistentVolumeLabel",
"--service-cluster-ip-range=bar",
"--service-account-key-file=" + testCertsDir + "/sa.pub",
"--client-ca-file=" + testCertsDir + "/ca.crt",