Fix tolerations for Kubernetes after ~1.24

Around Kubernetes 1.24, the toleration was renamed to "control-plane".
Add the new toleration and kept the old one to stay compatible with
older Kubernetes.

Author: PierreF

charts/glouton/templates/daemonset.yaml

@@ -19,6 +19,11 @@ spec:
     spec:
       {{- if eq .Values.run_on_master true }}
       tolerations:
+        - key: node-role.kubernetes.io/control-plane
+          effect: NoSchedule
+        - key: node-role.kubernetes.io/etcd
+          effect: NoExecute
+        #  "master nodes" was the previous name for "control plane nodes" before Kubernetes ~1.24
         - key: node-role.kubernetes.io/master
           effect: NoSchedule
       {{- end }}

k8s.yaml

@@ -85,8 +85,15 @@ spec:
         app: glouton
     spec:
       tolerations:
+      # this toleration is to have the daemonset runnable on control plane nodes
+      # remove it if your control plane nodes can't run pods
+      - key: node-role.kubernetes.io/control-plane
+        effect: NoSchedule
+      - key: node-role.kubernetes.io/etcd
+        effect: NoExecute
       # this toleration is to have the daemonset runnable on master nodes
       # remove it if your masters can't run pods
+      # "master nodes" was the previous name for "control plane nodes" before Kubernetes ~1.24
       - key: node-role.kubernetes.io/master
         effect: NoSchedule
       serviceAccountName: glouton