chore(helm): add pod annotation

deploy/charts/emqx/README.md

@@ -40,6 +40,8 @@ Parameter  | Description | Default Value
 `image.pullPolicy`  | The image pull policy  | `IfNotPresent`
 `image.pullSecrets `  | The image pull secrets (does not add image pull secrets to deployed pods)  |``[]``
 `recreatePods` | Forces the recreation of pods during upgrades, which can be useful to always apply the most recent configuration. | `false`
+`podAnnotations ` | Annotations for pod | `{}`
+`podManagementPolicy`| To redeploy a chart with existing PVC(s), the value must be set to Parallel to avoid deadlock | `Parallel`
 `persistence.enabled` | Enable EMQX persistence using PVC | `false`
 `persistence.storageClass` | Storage class of backing PVC (uses alpha storage class annotation) | `nil`
 `persistence.existingClaim` | EMQX data Persistent Volume existing claim name, evaluated as a template | `""`

deploy/charts/emqx/templates/StatefulSet.yaml

@@ -56,8 +56,11 @@ spec:
         version: {{ .Chart.AppVersion }}
         app.kubernetes.io/name: {{ include "emqx.name" . }}
         app.kubernetes.io/instance: {{ .Release.Name }}
-      {{- if .Values.recreatePods }}
       annotations:
+      {{- with .Values.podAnnotations }}
+          {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- if .Values.recreatePods }}
         checksum/config: {{ $configData | sha256sum | quote }}
       {{- end }}
     spec:

deploy/charts/emqx/values.yaml

@@ -17,6 +17,8 @@ image:
 ## Forces the recreation of pods during helm upgrades. This can be useful to update configuration values even if the container image did not change.
 recreatePods: false
 
+podAnnotations: {}
+
 # Pod deployment policy
 # value: OrderedReady | Parallel
 # To redeploy a chart with existing PVC(s), the value must be set to Parallel to avoid deadlock
@@ -253,4 +255,4 @@ containerSecurityContext:
 
 metrics:
   enabled: false
-  type: prometheus
+  type: prometheus