feat: cleanup pod critical pod annotations feature

cluster/gce/manifests/etcd-empty-dir-cleanup.yaml

@@ -4,7 +4,6 @@ metadata:
   name: etcd-empty-dir-cleanup
   namespace: kube-system
   annotations:
-    scheduler.alpha.kubernetes.io/critical-pod: ''
     seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
   labels:
     k8s-app: etcd-empty-dir-cleanup

cluster/gce/manifests/etcd.manifest

@@ -5,11 +5,11 @@
   "name":"etcd-server{{ suffix }}",
   "namespace": "kube-system",
   "annotations": {
-    "scheduler.alpha.kubernetes.io/critical-pod": "",
     "seccomp.security.alpha.kubernetes.io/pod": "docker/default"
   }
 },
 "spec":{
+"priorityClass": "system-node-critical",
 "hostNetwork": true,
 "containers":[
     {

cluster/gce/manifests/glbc.manifest

@@ -4,13 +4,13 @@ metadata:
   name: l7-lb-controller-v1.2.3
   namespace: kube-system
   annotations:
-    scheduler.alpha.kubernetes.io/critical-pod: ''
     seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
   labels:
     k8s-app: gcp-lb-controller
     version: v1.2.3
     kubernetes.io/name: "GLBC"
 spec:
+  priorityClassName: system-node-critical
   terminationGracePeriodSeconds: 600
   hostNetwork: true
   containers:

cluster/gce/manifests/kube-addon-manager.yaml

@@ -4,11 +4,11 @@ metadata:
   name: kube-addon-manager
   namespace: kube-system
   annotations:
-    scheduler.alpha.kubernetes.io/critical-pod: ''
     seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
   labels:
     component: kube-addon-manager
 spec:
+  priorityClassName: system-node-critical
   hostNetwork: true
   containers:
   - name: kube-addon-manager

cluster/gce/manifests/kube-apiserver.manifest

@@ -5,7 +5,6 @@
   "name":"kube-apiserver",
   "namespace": "kube-system",
   "annotations": {
-    "scheduler.alpha.kubernetes.io/critical-pod": "",
     "seccomp.security.alpha.kubernetes.io/pod": "docker/default"
   },
   "labels": {
@@ -14,6 +13,7 @@
   }
 },
 "spec":{
+"priorityClass": "system-node-critical",
 "hostNetwork": true,
 "containers":[
     {

cluster/gce/manifests/kube-controller-manager.manifest

@@ -5,7 +5,6 @@
   "name":"kube-controller-manager",
   "namespace": "kube-system",
   "annotations": {
-    "scheduler.alpha.kubernetes.io/critical-pod": "",
     "seccomp.security.alpha.kubernetes.io/pod": "docker/default"
   },
   "labels": {
@@ -14,6 +13,7 @@
   }
 },
 "spec":{
+"priorityClass": "system-node-critical",
 "hostNetwork": true,
 "containers":[
     {

cluster/gce/manifests/kube-proxy.manifest

@@ -3,12 +3,6 @@ kind: Pod
 metadata:
   name: kube-proxy
   namespace: kube-system
-  # This annotation ensures that kube-proxy does not get evicted if the node
-  # supports critical pod annotation based priority scheme.
-  # Note that kube-proxy runs as a static pod so this annotation does NOT have
-  # any effect on default scheduler which scheduling kube-proxy.
-  annotations:
-    scheduler.alpha.kubernetes.io/critical-pod: ''
   labels:
     tier: node
     component: kube-proxy

cluster/gce/manifests/kube-scheduler.manifest

@@ -5,7 +5,6 @@
   "name":"kube-scheduler",
   "namespace": "kube-system",
   "annotations": {
-    "scheduler.alpha.kubernetes.io/critical-pod": "",
     "seccomp.security.alpha.kubernetes.io/pod": "docker/default"
   },
   "labels": {
@@ -14,6 +13,7 @@
   }
 },
 "spec":{
+"priorityClass": "system-node-critical",
 "hostNetwork": true,
 "containers":[
     {