feat: implement custom-response plugin in the golang version (#689)

test/e2e/conformance/tests/go-wasm-custom-response.yaml

@@ -0,0 +1,118 @@
+# Copyright (c) 2022 Alibaba Group Holding Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: wasmplugin-custom-response
+  namespace: higress-conformance-infra
+spec:
+  ingressClassName: higress
+  rules:
+    - host: "foo.com"
+      http:
+        paths:
+          - pathType: Prefix
+            path: "/"
+            backend:
+              service:
+                name: infra-backend-v1
+                port:
+                  number: 8080
+    - host: "bar.com"
+      http:
+        paths:
+          - pathType: Prefix
+            path: "/"
+            backend:
+              service:
+                name: infra-backend-v1
+                port:
+                  number: 8080
+    - host: "baz.com"
+      http:
+        paths:
+          - pathType: Prefix
+            path: "/"
+            backend:
+              service:
+                name: infra-backend-v1
+                port:
+                  number: 8080
+    - host: "qux.com"
+      http:
+        paths:
+          - pathType: Prefix
+            path: "/"
+            backend:
+              service:
+                name: infra-backend-v1
+                port:
+                  number: 8080
+---
+apiVersion: extensions.higress.io/v1alpha1
+kind: WasmPlugin
+metadata:
+  name: custom-response
+  namespace: higress-system
+spec:
+  priority: 200 # ensure custom-response plugin is applied before basic-auth plugin
+  defaultConfig:
+    headers:
+      - key1=value1
+    "body": "{\"hello\":\"foo\"}"
+  matchRules:
+    - domain:
+        - bar.com
+      config:
+        headers:
+          - key2=value2
+        "body": "{\"hello\":\"bar\"}"
+    - domain:
+        - baz.com
+      config:
+        enable_on_status:
+          - 401
+        headers:
+          - key3=value3
+        "body": "{\"hello\":\"baz\"}"
+    - domain:
+        - qux.com
+      config:
+        status_code: 201
+        headers:
+          - key5=value5
+        "body": "{\"hello\":\"qux\"}"
+  url: file:///opt/plugins/wasm-go/extensions/custom-response/plugin.wasm
+---
+# test enable_on_status 401
+apiVersion: extensions.higress.io/v1alpha1
+kind: WasmPlugin
+metadata:
+  name: basic-auth
+  namespace: higress-system
+spec:
+  priority: 100
+  defaultConfig:
+    consumers:
+      - credential: admin:123456
+        name: consumer1
+    global_auth: false
+  matchRules:
+    - config:
+        allow:
+          - consumer1
+      domain:
+        - baz.com
+  url: file:///opt/plugins/wasm-go/extensions/basic-auth/plugin.wasm