Add support for deployment labels to helm chart

Author: Butterneck

charts/nginx-gateway-fabric/README.md

@@ -285,6 +285,7 @@ The following table lists the configurable parameters of the NGINX Gateway Fabri
 | `nginxGateway.image.repository` | The NGINX Gateway Fabric image to use | string | `"ghcr.io/nginx/nginx-gateway-fabric"` |
 | `nginxGateway.image.tag` |  | string | `"edge"` |
 | `nginxGateway.kind` | The kind of the NGINX Gateway Fabric installation - currently, only deployment is supported. | string | `"deployment"` |
+| `nginxGateway.labels` | Labels to be added to the controller Deployment | object | `{}` |
 | `nginxGateway.leaderElection.enable` | Enable leader election. Leader election is used to avoid multiple replicas of the NGINX Gateway Fabric reporting the status of the Gateway API resources. If not enabled, all replicas of NGINX Gateway Fabric will update the statuses of the Gateway API resources. | bool | `true` |
 | `nginxGateway.leaderElection.lockName` | The name of the leader election lock. A Lease object with this name will be created in the same Namespace as the controller. | string | Autogenerated if not set or set to "". |
 | `nginxGateway.lifecycle` | The lifecycle of the nginx-gateway container. | object | `{}` |

charts/nginx-gateway-fabric/templates/deployment.yaml

@@ -6,6 +6,9 @@ metadata:
   namespace: {{ .Release.Namespace }}
   labels:
   {{- include "nginx-gateway.labels" . | nindent 4 }}
+  {{- with .Values.nginxGateway.labels }}
+  {{- toYaml . | nindent 4 }}
+  {{- end }}
 spec:
   replicas: {{ .Values.nginxGateway.replicaCount }}
   selector:
@@ -15,6 +18,9 @@ spec:
     metadata:
       labels:
       {{- include "nginx-gateway.selectorLabels" . | nindent 8 }}
+      {{- with .Values.nginxGateway.labels }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- if or .Values.nginxGateway.podAnnotations .Values.metrics.enable }}
       annotations:
         {{- if .Values.nginxGateway.podAnnotations }}

charts/nginx-gateway-fabric/values.schema.json

@@ -456,6 +456,12 @@
           "required": [],
           "title": "kind"
         },
+        "labels": {
+          "description": "Labels to be added to the controller Deployment",
+          "required": [],
+          "title": "labels",
+          "type": "object"
+        },
         "leaderElection": {
           "description": "The configuration for leader election.",
           "properties": {

charts/nginx-gateway-fabric/values.yaml

@@ -21,6 +21,9 @@ nginxGateway:
   # -- Set of custom annotations for the NGINX Gateway Fabric pods.
   podAnnotations: {}
 
+  # -- Labels to be added to the controller Deployment
+  labels: {}
+
   # -- Set of custom annotations for GatewayClass objects.
   gatewayClassAnnotations: {}