Add operator deployment readiness probe (#1874)

* Add operator deployment readiness probe

charts/postgres-operator/templates/deployment.yaml

@@ -57,6 +57,14 @@ spec:
 {{ toYaml .Values.resources | indent 10 }}
         securityContext:
 {{ toYaml .Values.securityContext | indent 10 }}
+        {{- if .Values.readinessProbe }}
+        readinessProbe:
+          httpGet:
+            path: /readyz
+            port: {{ .Values.configLoggingRestApi.api_port }}
+          initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
+          periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
+        {{- end }}
       {{- if .Values.imagePullSecrets }}
       imagePullSecrets:
 {{ toYaml .Values.imagePullSecrets | indent 8 }}

charts/postgres-operator/values.yaml

@@ -470,6 +470,11 @@ securityContext:
   readOnlyRootFilesystem: true
   allowPrivilegeEscalation: false
 
+# Allow to setup operator Deployment readiness probe
+readinessProbe:
+  initialDelaySeconds: 5
+  periodSeconds: 10
+
 # Affinity for pod assignment
 # Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
 affinity: {}