Support controlling Rolling Update for Operator

Author: Ciprian S.C.

charts/redis-operator/templates/operator-deployment.yaml

@@ -6,6 +6,8 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels: {{- include "redisOperator.labels" . | nindent 4 }}
 spec:
+  strategy:
+  {{- toYaml .Values.redisOperator.strategy | nindent 4 }}
   replicas: {{ .Values.replicas }}
   selector:
     matchLabels: {{- include "redisOperator.selectorLabels" . | nindent 6 }}

charts/redis-operator/values.yaml

@@ -11,6 +11,14 @@ redisOperator:
   imagePullPolicy: Always
   imagePullSecrets: []
 
+  # Update strategy
+  # strategy:
+  #   type: RollingUpdate
+  #   rollingUpdate:
+  #     maxSurge: 25%
+  #     maxUnavailable: 25%
+  strategy: {}
+
   # Additional pod annotations
   podAnnotations: {}
   # Additional Pod labels (e.g. for filtering Pod by custom labels)