Tiny improvements

Author: a-hilaly

templates/cmd/controller/main.go.tpl

@@ -92,7 +92,7 @@ func main() {
 		Host:                    host,
 		MetricsBindAddress:      ackCfg.MetricsAddr,
 		LeaderElection:          ackCfg.EnableLeaderElection,
-		LeaderElectionID:        awsServiceAPIGroup,
+		LeaderElectionID:        "ack-"+awsServiceAPIGroup,
 		Namespace:               ackCfg.WatchNamespace,
 		LeaderElectionNamespace: ackCfg.LeaderElectionNamespace,
 	})

templates/helm/values.yaml.tpl

@@ -122,10 +122,14 @@ serviceAccount:
   annotations: {}
     # eks.amazonaws.com/role-arn: arn:aws:iam::AWS_ACCOUNT_ID:role/IAM_ROLE_NAME
 
-# leader election configurations
+# Configuration of the leader election. Required for running multiple instances of the
+# controller within the same cluster.
+# See https://kubernetes.io/docs/concepts/architecture/leases/#leader-election
 leaderElection:
-  # Enables controller leader election
+  # Enable Controller Leader Election. Set this to true to enable leader election
+  # for this controller.
   enabled: false
-  # Sets the leader election namespace. By default it will try to use the namespace of
-  # the service account mounted to the controller pod.
+  # Leader election can be scoped to a specific namespace. By default, the controller
+  # will attempt to use the namespace of the service account mounted to the Controller
+  # pod.
   namespace: ""