fix: Allow leader election for scheduler-plugins-controller

Author: shkrid

manifests/install/charts/as-a-second-scheduler/templates/deployment.yaml

@@ -21,6 +21,10 @@ spec:
       serviceAccountName: {{ .Values.controller.name }}
       containers:
       - name: scheduler-plugins-controller
+        args:
+        {{- if .Values.controller.leaderElect }}
+        - --enableLeaderElection
+        {{- end }}
         image: {{ .Values.controller.image }}
         imagePullPolicy: IfNotPresent
         {{- with .Values.controller.resources }}

manifests/install/charts/as-a-second-scheduler/templates/rbac.yaml

@@ -104,6 +104,9 @@ rules:
 - apiGroups: [""]
   resources: ["events"]
   verbs: ["create", "patch", "update"]
+- apiGroups: ["coordination.k8s.io"]
+  resources: ["leases"]
+  verbs: ["create", "get", "update"]
 - apiGroups: [""]
   resources: ["nodes"]
   verbs: ["get", "list", "watch", "patch"]

manifests/install/charts/as-a-second-scheduler/values.yaml

@@ -19,6 +19,7 @@ controller:
   name: scheduler-plugins-controller
   image: registry.k8s.io/scheduler-plugins/controller:v0.30.6
   replicaCount: 1
+  leaderElect: false
   priorityClassName: ""
   resources: {}
   nodeSelector: {}