feat: Plugin server supports k8s deployment and configures the default download URL of the plugin(#2232, #2280,#2312) (#2389)

Co-authored-by: xujingfeng <jingfeng.xjf@alibaba-inc.com>
Co-authored-by: 澄潭 <zty98751@alibaba-inc.com>

helm/core/templates/_helpers.tpl

@@ -113,3 +113,36 @@ kind: VMPodScrape
 {{- fail "unexpected gateway.metrics.provider" -}}
 {{- end -}}
 {{- end -}}
+
+{{- define "pluginServer.name" -}}
+{{- .Values.pluginServer.name | default "higress-plugin-server" -}}
+{{- end }}
+
+{{- define "pluginServer.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{- define "pluginServer.labels" -}}
+helm.sh/chart: {{ include "pluginServer.chart" . }}
+{{ include "pluginServer.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+app.kubernetes.io/name: {{ include "pluginServer.name" . }}
+{{- end }}
+
+{{- define "pluginServer.selectorLabels" -}}
+{{- if hasKey .Values.pluginServer.labels "app" }}
+{{- with .Values.pluginServer.labels.app }}app: {{.|quote}}
+{{- end}}
+{{- else }}app: {{ include "pluginServer.name" . }}
+{{- end }}
+{{- if hasKey .Values.pluginServer.labels "higress" }}
+{{- with .Values.pluginServer.labels.higress }}
+higress: {{.|quote}}
+{{- end}}
+{{- else }}
+higress: {{ include "pluginServer.name" . }}
+{{- end }}
+{{- end }}

helm/core/templates/plugin-server-deployment.yaml

@@ -0,0 +1,39 @@
+{{- if .Values.global.enablePluginServer }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "pluginServer.name" . }}
+  namespace: {{ .Release.Namespace }}
+spec:
+  replicas: {{ .Values.pluginServer.replicas }}
+  selector:
+    matchLabels:
+      {{- include "pluginServer.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- with .Values.pluginServer.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+        {{- include "pluginServer.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.pluginServer.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: {{ .Values.pluginServer.hub | default .Values.global.hub }}/{{ .Values.pluginServer.image | default "plugin-server" }}:{{ .Values.pluginServer.tag | default "1.0.0" }}
+          {{- if .Values.global.imagePullPolicy }}
+          imagePullPolicy: {{ .Values.global.imagePullPolicy }}
+          {{- end }}
+          ports:
+            - containerPort: 8080
+          resources:
+            requests:
+              cpu: {{ .Values.pluginServer.resources.requests.cpu }}
+              memory: {{ .Values.pluginServer.resources.requests.memory }}
+            limits:
+              cpu: {{ .Values.pluginServer.resources.limits.cpu }}
+              memory: {{ .Values.pluginServer.resources.limits.memory }}
+{{- end }}

helm/core/templates/plugin-server-service.yaml

@@ -0,0 +1,16 @@
+{{- if .Values.global.enablePluginServer }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "pluginServer.name" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "pluginServer.labels" . | nindent 4 }}
+spec:
+  ports:
+    - protocol: TCP
+      port: {{ .Values.pluginServer.service.port }}
+      targetPort: 8080
+  selector:
+    {{- include "pluginServer.selectorLabels" . | nindent 4 }}
+{{- end }}

helm/core/values.yaml

@@ -11,6 +11,7 @@ global:
   enableSRDS: true
   # -- Whether to enable Redis(redis-stack-server) for Higress, default is false.
   enableRedis: false
+  enablePluginServer: false
   onDemandRDS: false
   hostRDSMergeSubset: false
   onlyPushRouteCluster: true
@@ -767,4 +768,31 @@ redis:
       accessModes:
         - ReadWriteOnce
       # -- Persistent Volume size
-      size: 1Gi
+      size: 1Gi
+
+pluginServer:
+  name: "higress-plugin-server"
+  # -- Number of Higress Plugin Server pods, 2 recommended for high availability
+  replicas: 2
+  image: plugin-server
+
+  hub: higress-registry.cn-hangzhou.cr.aliyuncs.com/higress
+  tag: ""
+
+  imagePullSecrets: []
+
+  labels: {}
+  # -- Labels to apply to the pod
+  podLabels: {}
+
+  #  Plugin-server Service configuration
+  service:
+    port: 80                    # Container target port (usually fixed)
+
+  resources:
+    requests:
+      cpu: 200m
+      memory: 128Mi
+    limits:
+      cpu: 500m
+      memory: 256Mi

helm/higress/README.md

@@ -165,6 +165,7 @@ The command removes all the Kubernetes components associated with the chart and
 | global.enableIPv6 | bool | `false` |  |
 | global.enableIstioAPI | bool | `true` | If true, Higress Controller will monitor istio resources as well |
 | global.enableLDSCache | bool | `false` |  |
+| global.enablePluginServer | bool | `false` |  |
 | global.enableProxyProtocol | bool | `false` |  |
 | global.enablePushAllMCPClusters | bool | `true` |  |
 | global.enableRedis | bool | `false` | Whether to enable Redis(redis-stack-server) for Higress, default is false. |
@@ -273,6 +274,19 @@ The command removes all the Kubernetes components associated with the chart and
 | pilot.serviceAnnotations | object | `{}` |  |
 | pilot.tag | string | `""` |  |
 | pilot.traceSampling | float | `1` |  |
+| pluginServer.hub | string | `"higress-registry.cn-hangzhou.cr.aliyuncs.com/higress"` |  |
+| pluginServer.image | string | `"plugin-server"` |  |
+| pluginServer.imagePullSecrets | list | `[]` |  |
+| pluginServer.labels | object | `{}` |  |
+| pluginServer.name | string | `"higress-plugin-server"` |  |
+| pluginServer.podLabels | object | `{}` | Labels to apply to the pod |
+| pluginServer.replicas | int | `2` | Number of Higress Plugin Server pods, 2 recommended for high availability |
+| pluginServer.resources.limits.cpu | string | `"500m"` |  |
+| pluginServer.resources.limits.memory | string | `"256Mi"` |  |
+| pluginServer.resources.requests.cpu | string | `"200m"` |  |
+| pluginServer.resources.requests.memory | string | `"128Mi"` |  |
+| pluginServer.service.port | int | `80` |  |
+| pluginServer.tag | string | `""` |  |
 | redis.redis.affinity | object | `{}` | Affinity for Redis |
 | redis.redis.image | string | `"redis-stack-server"` | Specify the image |
 | redis.redis.name | string | `"redis-stack-server"` |  |