Support configurable GatewayClass isolation (#3981)

Signed-off-by: EndlessSeeker <1766508902@qq.com>

helm/core/templates/controller-deployment.yaml

@@ -49,6 +49,7 @@ spec:
           - --enableStatus={{ .Values.global.enableStatus }}
           {{- end }}
           - --ingressClass={{ .Values.global.ingressClass }}
+          - --gatewayClass={{ .Values.global.gatewayClass }}
           {{- if .Values.global.watchNamespace }}
           - --watchNamespace={{ .Values.global.watchNamespace }}
           {{- end }}

helm/core/values.yaml

@@ -28,6 +28,10 @@ global:
   # -- Whether to create the IngressClass resource for global.ingressClass.
   # Set this to false when reusing an existing IngressClass, for example during Nginx Ingress migration.
   createIngressClass: true
+  # -- GatewayClassName used by Higress to select Gateway API resources.
+  # The default value higress uses controllerName higress.io/gateway-controller.
+  # A custom value, for example higress-internal, uses controllerName higress.io/gateway-controller-higress-internal.
+  gatewayClass: "higress"
   # -- If not empty, Higress Controller will only watch resources in the specified namespace.
   # When isolating different business systems using K8s namespace,
   # if each namespace requires a standalone gateway instance,

helm/higress/README.md

@@ -181,6 +181,7 @@ The command removes all the Kubernetes components associated with the chart and
 | global.enableSRDS | bool | `true` |  |
 | global.enableStatus | bool | `true` | If true, Higress Controller will update the status field of Ingress resources. When migrating from Nginx Ingress, in order to avoid status field of Ingress objects being overwritten, this parameter needs to be set to false, so Higress won't write the entry IP to the status field of the corresponding Ingress object. |
 | global.externalIstiod | bool | `false` | Configure a remote cluster data plane controlled by an external istiod. When set to true, istiod is not deployed locally and only a subset of the other discovery charts are enabled. |
+| global.gatewayClass | string | `"higress"` | GatewayClassName used by Higress to select Gateway API resources. The default value higress uses controllerName higress.io/gateway-controller. A custom value, for example higress-internal, uses controllerName higress.io/gateway-controller-higress-internal. |
 | global.hostRDSMergeSubset | bool | `false` |  |
 | global.hub | string | `"higress-registry.cn-hangzhou.cr.aliyuncs.com"` | Default hub (registry) for Higress images. For Higress deployments, images are pulled from: {hub}/higress/{image} For built-in plugins, images are pulled from: {hub}/{pluginNamespace}/{plugin-name} Change this to use a mirror registry closer to your deployment region for faster image pulls. |
 | global.imagePullPolicy | string | `""` | Specify image pull policy if default behavior isn't desired. Default behavior: latest images will be Always else IfNotPresent. |