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feat: Add request and response transformer wasm plugin (#549)
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WeixinX
GitHub
121
test/e2e/conformance/tests/go-wasm-transformer.go
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121
test/e2e/conformance/tests/go-wasm-transformer.go
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// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tests
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import (
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"testing"
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"github.com/alibaba/higress/test/e2e/conformance/utils/http"
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"github.com/alibaba/higress/test/e2e/conformance/utils/suite"
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)
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func init() {
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Register(WasmPluginsTransformer)
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}
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// TODO(WeixinX): Request and response body conformance check is not supported now
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var WasmPluginsTransformer = suite.ConformanceTest{
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ShortName: "WasmPluginTransformer",
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Description: "The Ingress in the higress-conformance-infra namespace test the transformer WASM plugin.",
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Features: []suite.SupportedFeature{suite.WASMGoConformanceFeature},
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Manifests: []string{"tests/go-wasm-transformer.yaml"},
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Test: func(t *testing.T, suite *suite.ConformanceTestSuite) {
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testcases := []http.Assertion{
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{
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Meta: http.AssertionMeta{
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TestCaseName: "case 1: request transformer",
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TargetBackend: "infra-backend-v1",
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TargetNamespace: "higress-conformance-infra",
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},
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Request: http.AssertionRequest{
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ActualRequest: http.Request{
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Host: "foo1.com",
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Path: "/get?k1=v11&k1=v12&k2=v2",
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Headers: map[string]string{
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"X-remove": "exist",
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"X-not-renamed": "test",
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"X-replace": "not-replaced",
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"X-dedupe-first": "1,2,3",
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"X-dedupe-last": "a,b,c",
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"X-dedupe-unique": "1,2,3,3,2,1",
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},
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},
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ExpectedRequest: &http.ExpectedRequest{
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Request: http.Request{
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Host: "foo1.com",
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Path: "/get?k2-new=v2-new&k3=v31&k3=v32&k4=v31", // url.Value.Encode() is ordered by key
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Headers: map[string]string{
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"X-renamed": "test",
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"X-replace": "replaced",
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"X-add-append": "add,append", // header with same name
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"X-map": "add,append",
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"X-dedupe-first": "1",
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"X-dedupe-last": "c",
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"X-dedupe-unique": "1,2,3",
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},
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},
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AbsentHeaders: []string{"X-remove"},
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},
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},
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Response: http.AssertionResponse{
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ExpectedResponse: http.Response{
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StatusCode: 200,
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},
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},
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},
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{
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Meta: http.AssertionMeta{
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TestCaseName: "case 2: response transformer",
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TargetBackend: "infra-backend-v1",
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TargetNamespace: "higress-conformance-infra",
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},
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Request: http.AssertionRequest{
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ActualRequest: http.Request{
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Host: "foo2.com",
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Path: "/get/index.html",
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},
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ExpectedRequest: &http.ExpectedRequest{
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Request: http.Request{
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Host: "foo2.com",
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Path: "/get/index.html",
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},
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},
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},
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Response: http.AssertionResponse{
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AdditionalResponseHeaders: map[string]string{
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"X-remove": "exist",
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"X-not-renamed": "test",
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"X-replace": "not-replaced",
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},
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ExpectedResponse: http.Response{
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StatusCode: 200,
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Headers: map[string]string{
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"X-renamed": "test",
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"X-replace": "replace-get", // regexp matches path and replace "replace-$1"
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"X-add-append": "add-foo2,append-index", // regexp matches host and replace "add-$1"
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"X-map": "add-foo2,append-index",
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},
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AbsentHeaders: []string{"X-remove"},
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},
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},
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},
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}
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t.Run("WasmPlugin transformer", func(t *testing.T) {
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for _, testcase := range testcases {
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http.MakeRequestAndExpectEventuallyConsistentResponse(t, suite.RoundTripper, suite.TimeoutConfig, suite.GatewayAddress, testcase)
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}
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})
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},
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}
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155
test/e2e/conformance/tests/go-wasm-transformer.yaml
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155
test/e2e/conformance/tests/go-wasm-transformer.yaml
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@@ -0,0 +1,155 @@
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# Copyright (c) 2022 Alibaba Group Holding Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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name: wasmplugin-transform-request
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namespace: higress-conformance-infra
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spec:
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ingressClassName: higress
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rules:
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- host: "foo1.com"
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http:
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paths:
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- pathType: Prefix
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path: "/"
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backend:
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service:
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name: infra-backend-v1
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port:
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number: 8080
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---
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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annotations:
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name: wasmplugin-transform-response
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namespace: higress-conformance-infra
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spec:
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ingressClassName: higress
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rules:
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- host: "foo2.com"
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http:
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paths:
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- pathType: Prefix
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path: "/"
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backend:
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service:
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name: infra-backend-v1
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port:
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number: 8080
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---
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apiVersion: extensions.higress.io/v1alpha1
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kind: WasmPlugin
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metadata:
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name: transformer
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namespace: higress-system
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spec:
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matchRules:
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# request transformer
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- ingress:
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- higress-conformance-infra/wasmplugin-transform-request
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configDisable: false
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config:
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type: request
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rules:
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- operate: remove
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headers:
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- key: X-remove
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querys:
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- key: k1
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- operate: rename
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headers:
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- key: X-not-renamed
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value: X-renamed
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querys:
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- key: k2
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value: k2-new
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- operate: replace
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headers:
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- key: X-replace
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value: replaced
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querys:
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- key: k2-new
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value: v2-new
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- operate: add
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headers:
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- key: X-add-append
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value: add
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querys:
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- key: k3
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value: v31
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- operate: append
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headers:
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- key: X-add-append
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value: append
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querys:
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- key: k3
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value: v32
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- operate: map
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headers:
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- key: X-add-append
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value: X-map
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querys:
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- key: k3
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value: k4
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- operate: dedupe
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headers:
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- key: X-dedupe-first
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value: RETAIN_FIRST
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- key: X-dedupe-last
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value: RETAIN_LAST
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- key: X-dedupe-unique
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value: RETAIN_UNIQUE
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querys:
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- key: k4
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value: RETAIN_FIRST
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# response transformer
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- ingress:
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- higress-conformance-infra/wasmplugin-transform-response
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configDisable: false
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config:
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type: response
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rules:
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- operate: remove
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headers:
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- key: X-remove
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- operate: rename
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headers:
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- key: X-not-renamed
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value: X-renamed
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- operate: replace
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headers:
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- key: X-replace
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value: replace-$1
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path_pattern: ^.*?\/(\w+)[\?]{0,1}.*$
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- operate: add
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headers:
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- key: X-add-append
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value: add-$1
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host_pattern: ^(.*)\.com$
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- operate: append
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headers:
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- key: X-add-append
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value: append-$1
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path_pattern: ^\/get\/(.*)\.html$
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- operate: map
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headers:
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- key: X-add-append
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value: X-map
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url: file:///opt/plugins/wasm-go/extensions/transformer/plugin.wasm
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