feat(helm): add podLabels to gateway && controller (#1792)

Signed-off-by: Xijun Dai <daixijun1990@gmail.com>

helm/core/templates/_pod.tpl

@@ -15,6 +15,9 @@ template:
       {{- with .Values.gateway.revision }}
       istio.io/rev: {{ . }}
       {{- end }}
+      {{- with .Values.gateway.podLabels }}
+        {{- toYaml . | nindent 6 }}
+      {{- end }}
       {{- include "gateway.selectorLabels" . | nindent 6 }}
   spec:
     {{- with .Values.gateway.imagePullSecrets }}

helm/core/templates/controller-deployment.yaml

@@ -19,6 +19,9 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
       labels:
+        {{- with .Values.controller.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
         {{- include "controller.selectorLabels" . | nindent 8 }}
     spec:
       {{- with .Values.controller.imagePullSecrets }}

helm/core/values.yaml

@@ -462,6 +462,9 @@ gateway:
     prometheus.io/path: "/stats/prometheus"
     sidecar.istio.io/inject: "false"
 
+  # -- Labels to apply to the pod
+  podLabels: {}
+
   # -- Define the security context for the pod.
   # If unset, this will be automatically set to the minimum privileges required to bind to port 80 and 443.
   # On Kubernetes 1.22+, this only requires the `net.ipv4.ip_unprivileged_port_start` sysctl.
@@ -544,12 +547,12 @@ controller:
   labels: {}
 
   probe:
-    {
-      httpGet: { path: /ready, port: 8888 },
-      initialDelaySeconds: 1,
-      periodSeconds: 3,
-      timeoutSeconds: 5,
-    }
+    httpGet:
+      path: /ready
+      port: 8888
+    initialDelaySeconds: 1
+    periodSeconds: 3
+    timeoutSeconds: 5
 
   imagePullSecrets: []
 
@@ -567,21 +570,26 @@ controller:
 
   podAnnotations: {}
 
+  # -- Labels to apply to the pod
+  podLabels: {}
+
   podSecurityContext:
     {}
     # fsGroup: 2000
 
   ports:
-    [
-      { "name": "http", "protocol": "TCP", "port": 8888, "targetPort": 8888 },
-      {
-        "name": "http-solver",
-        "protocol": "TCP",
-        "port": 8889,
-        "targetPort": 8889,
-      },
-      { "name": "grpc", "protocol": "TCP", "port": 15051, "targetPort": 15051 },
-    ]
+    - name: http
+      protocol: TCP
+      port: 8888
+      targetPort: 8888
+    - name: http-solver
+      protocol: TCP
+      port: 8889
+      targetPort: 8889
+    - name: grpc
+      protocol: TCP
+      port: 15051
+      targetPort: 15051
 
   service:
     type: ClusterIP

helm/higress/README.md

@@ -51,6 +51,7 @@ The command removes all the Kubernetes components associated with the chart and
 | controller.name | string | `"higress-controller"` |  |
 | controller.nodeSelector | object | `{}` |  |
 | controller.podAnnotations | object | `{}` |  |
+| controller.podLabels | object | `{}` | Labels to apply to the pod |
 | controller.podSecurityContext | object | `{}` |  |
 | controller.ports[0].name | string | `"http"` |  |
 | controller.ports[0].port | int | `8888` |  |
@@ -115,6 +116,7 @@ The command removes all the Kubernetes components associated with the chart and
 | gateway.podAnnotations."prometheus.io/port" | string | `"15020"` |  |
 | gateway.podAnnotations."prometheus.io/scrape" | string | `"true"` |  |
 | gateway.podAnnotations."sidecar.istio.io/inject" | string | `"false"` |  |
+| gateway.podLabels | object | `{}` | Labels to apply to the pod |
 | gateway.rbac.enabled | bool | `true` | If enabled, roles will be created to enable accessing certificates from Gateways. This is not needed when using http://gateway-api.org/. |
 | gateway.readinessFailureThreshold | int | `30` | The number of successive failed probes before indicating readiness failure. |
 | gateway.readinessInitialDelaySeconds | int | `1` | The initial delay for readiness probes in seconds. |