mirror of
https://github.com/alibaba/higress.git
synced 2026-03-01 07:00:50 +08:00
Add header control (#254)
This commit is contained in:
Yang
GitHub
@@ -67,6 +67,8 @@ type Ingress struct {
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IgnoreCase *IgnoreCaseConfig
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Match *MatchConfig
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HeaderControl *HeaderControlConfig
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}
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func (i *Ingress) NeedRegexMatch() bool {
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@@ -138,6 +140,7 @@ func NewAnnotationHandlerManager() AnnotationHandler {
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destination{},
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ignoreCaseMatching{},
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match{},
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headerControl{},
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},
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gatewayHandlers: []GatewayHandler{
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downstreamTLS{},
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@@ -154,6 +157,7 @@ func NewAnnotationHandlerManager() AnnotationHandler {
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fallback{},
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ignoreCaseMatching{},
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match{},
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headerControl{},
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},
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trafficPolicyHandlers: []TrafficPolicyHandler{
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upstreamTLS{},
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@@ -106,6 +106,8 @@ func ApplyByWeight(canary, route *networking.HTTPRoute, canaryIngress *Ingress)
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// We will process total weight in the end.
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route.Route = append(route.Route, canary.Route[0])
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// canary route use the header control applied on itself.
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headerControl{}.ApplyRoute(canary, canaryIngress)
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// Move route level to destination level
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canary.Route[0].Headers = canary.Headers
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@@ -166,6 +168,10 @@ func ApplyByHeader(canary, route *networking.HTTPRoute, canaryIngress *Ingress)
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}
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}
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canary.Headers = nil
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// canary route use the header control applied on itself.
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headerControl{}.ApplyRoute(canary, canaryIngress)
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// First add normal route cluster
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canary.Route[0].FallbackClusters = append(canary.Route[0].FallbackClusters,
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route.Route[0].Destination.DeepCopy())
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160
pkg/ingress/kube/annotations/header_control.go
Normal file
160
pkg/ingress/kube/annotations/header_control.go
Normal file
@@ -0,0 +1,160 @@
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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 annotations
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import (
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"strings"
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networking "istio.io/api/networking/v1alpha3"
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. "github.com/alibaba/higress/pkg/ingress/log"
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)
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const (
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// request
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requestHeaderAdd = "request-header-control-add"
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requestHeaderUpdate = "request-header-control-update"
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requestHeaderRemove = "request-header-control-remove"
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// response
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responseHeaderAdd = "response-header-control-add"
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responseHeaderUpdate = "response-header-control-update"
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responseHeaderRemove = "response-header-control-remove"
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)
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var (
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_ Parser = headerControl{}
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_ RouteHandler = headerControl{}
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)
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type HeaderOperation struct {
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Add map[string]string
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Update map[string]string
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Remove []string
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}
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// HeaderControlConfig enforces header operations on route level.
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// Note: Canary route don't use header control applied on the normal route.
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type HeaderControlConfig struct {
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Request *HeaderOperation
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Response *HeaderOperation
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}
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type headerControl struct{}
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func (h headerControl) Parse(annotations Annotations, config *Ingress, _ *GlobalContext) error {
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if !needHeaderControlConfig(annotations) {
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return nil
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}
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config.HeaderControl = &HeaderControlConfig{}
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var requestAdd map[string]string
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var requestUpdate map[string]string
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var requestRemove []string
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if add, err := annotations.ParseStringForHigress(requestHeaderAdd); err == nil {
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requestAdd = convertAddOrUpdate(add)
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}
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if update, err := annotations.ParseStringForHigress(requestHeaderUpdate); err == nil {
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requestUpdate = convertAddOrUpdate(update)
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}
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if remove, err := annotations.ParseStringForHigress(requestHeaderRemove); err == nil {
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requestRemove = splitBySeparator(remove, ",")
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}
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if len(requestAdd) > 0 || len(requestUpdate) > 0 || len(requestRemove) > 0 {
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config.HeaderControl.Request = &HeaderOperation{
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Add: requestAdd,
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Update: requestUpdate,
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Remove: requestRemove,
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}
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}
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var responseAdd map[string]string
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var responseUpdate map[string]string
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var responseRemove []string
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if add, err := annotations.ParseStringForHigress(responseHeaderAdd); err == nil {
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responseAdd = convertAddOrUpdate(add)
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}
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if update, err := annotations.ParseStringForHigress(responseHeaderUpdate); err == nil {
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responseUpdate = convertAddOrUpdate(update)
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}
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if remove, err := annotations.ParseStringForHigress(responseHeaderRemove); err == nil {
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responseRemove = splitBySeparator(remove, ",")
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}
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if len(responseAdd) > 0 || len(responseUpdate) > 0 || len(responseRemove) > 0 {
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config.HeaderControl.Response = &HeaderOperation{
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Add: responseAdd,
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Update: responseUpdate,
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Remove: responseRemove,
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}
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}
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return nil
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}
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func (h headerControl) ApplyRoute(route *networking.HTTPRoute, config *Ingress) {
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headerControlConfig := config.HeaderControl
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if headerControlConfig == nil {
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return
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}
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headers := &networking.Headers{
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Request: &networking.Headers_HeaderOperations{},
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Response: &networking.Headers_HeaderOperations{},
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}
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if headerControlConfig.Request != nil {
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headers.Request.Add = headerControlConfig.Request.Add
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headers.Request.Set = headerControlConfig.Request.Update
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headers.Request.Remove = headerControlConfig.Request.Remove
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}
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if headerControlConfig.Response != nil {
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headers.Response.Add = headerControlConfig.Response.Add
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headers.Response.Set = headerControlConfig.Response.Update
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headers.Response.Remove = headerControlConfig.Response.Remove
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}
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route.Headers = headers
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}
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func needHeaderControlConfig(annotations Annotations) bool {
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return annotations.HasHigress(requestHeaderAdd) ||
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annotations.HasHigress(requestHeaderUpdate) ||
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annotations.HasHigress(requestHeaderRemove) ||
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annotations.HasHigress(responseHeaderAdd) ||
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annotations.HasHigress(responseHeaderUpdate) ||
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annotations.HasHigress(responseHeaderRemove)
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}
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func convertAddOrUpdate(headers string) map[string]string {
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result := map[string]string{}
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parts := strings.Split(headers, "\n")
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for _, part := range parts {
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part = strings.TrimSpace(part)
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if part == "" {
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continue
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}
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keyValue := strings.Fields(part)
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if len(keyValue) != 2 {
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IngressLog.Errorf("Header format %s is invalid.", keyValue)
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continue
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}
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key := strings.TrimSpace(keyValue[0])
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value := strings.TrimSpace(keyValue[1])
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result[key] = value
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}
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return result
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}
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235
pkg/ingress/kube/annotations/header_control_test.go
Normal file
235
pkg/ingress/kube/annotations/header_control_test.go
Normal file
@@ -0,0 +1,235 @@
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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 annotations
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import (
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"reflect"
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"testing"
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networking "istio.io/api/networking/v1alpha3"
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)
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func TestHeaderControlParse(t *testing.T) {
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headerControl := &headerControl{}
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inputCases := []struct {
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input map[string]string
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expect *HeaderControlConfig
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}{
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{},
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{
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input: map[string]string{
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buildHigressAnnotationKey(requestHeaderAdd): "one 1",
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buildHigressAnnotationKey(responseHeaderAdd): "A a",
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},
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expect: &HeaderControlConfig{
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Request: &HeaderOperation{
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Add: map[string]string{
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"one": "1",
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},
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},
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Response: &HeaderOperation{
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Add: map[string]string{
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"A": "a",
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},
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},
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},
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},
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{
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input: map[string]string{
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buildHigressAnnotationKey(requestHeaderAdd): "one 1\n two 2\nthree 3 \n",
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buildHigressAnnotationKey(requestHeaderUpdate): "two 2",
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buildHigressAnnotationKey(requestHeaderRemove): "one, two,three\n",
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buildHigressAnnotationKey(responseHeaderAdd): "A a\nB b\n",
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buildHigressAnnotationKey(responseHeaderUpdate): "X x\nY y\n",
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buildHigressAnnotationKey(responseHeaderRemove): "x",
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},
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expect: &HeaderControlConfig{
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Request: &HeaderOperation{
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Add: map[string]string{
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"one": "1",
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"two": "2",
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"three": "3",
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},
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Update: map[string]string{
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"two": "2",
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},
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Remove: []string{"one", "two", "three"},
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},
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Response: &HeaderOperation{
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Add: map[string]string{
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"A": "a",
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"B": "b",
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},
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Update: map[string]string{
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"X": "x",
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"Y": "y",
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},
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Remove: []string{"x"},
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},
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},
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},
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}
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for _, inputCase := range inputCases {
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t.Run("", func(t *testing.T) {
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config := &Ingress{}
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_ = headerControl.Parse(inputCase.input, config, nil)
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if !reflect.DeepEqual(inputCase.expect, config.HeaderControl) {
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t.Fatal("Should be equal")
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}
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})
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}
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}
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func TestHeaderControlApplyRoute(t *testing.T) {
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headerControl := headerControl{}
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inputCases := []struct {
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config *Ingress
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input *networking.HTTPRoute
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expect *networking.HTTPRoute
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}{
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{
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config: &Ingress{},
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input: &networking.HTTPRoute{},
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expect: &networking.HTTPRoute{},
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},
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{
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config: &Ingress{
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HeaderControl: &HeaderControlConfig{},
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},
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input: &networking.HTTPRoute{},
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expect: &networking.HTTPRoute{
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Headers: &networking.Headers{
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Request: &networking.Headers_HeaderOperations{},
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Response: &networking.Headers_HeaderOperations{},
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},
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},
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},
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{
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config: &Ingress{
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HeaderControl: &HeaderControlConfig{
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Request: &HeaderOperation{
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Add: map[string]string{
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"one": "1",
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"two": "2",
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"three": "3",
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},
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Update: map[string]string{
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"two": "2",
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},
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Remove: []string{"one", "two", "three"},
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},
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},
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},
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input: &networking.HTTPRoute{},
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expect: &networking.HTTPRoute{
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Headers: &networking.Headers{
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Request: &networking.Headers_HeaderOperations{
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Add: map[string]string{
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"one": "1",
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"two": "2",
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"three": "3",
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},
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Set: map[string]string{
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"two": "2",
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},
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Remove: []string{"one", "two", "three"},
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},
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Response: &networking.Headers_HeaderOperations{},
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},
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},
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},
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{
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config: &Ingress{
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HeaderControl: &HeaderControlConfig{
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Response: &HeaderOperation{
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Add: map[string]string{
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"A": "a",
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"B": "b",
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},
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Update: map[string]string{
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"X": "x",
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"Y": "y",
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},
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Remove: []string{"x"},
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},
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},
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},
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input: &networking.HTTPRoute{},
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expect: &networking.HTTPRoute{
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Headers: &networking.Headers{
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Request: &networking.Headers_HeaderOperations{},
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Response: &networking.Headers_HeaderOperations{
|
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Add: map[string]string{
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"A": "a",
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"B": "b",
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},
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Set: map[string]string{
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"X": "x",
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"Y": "y",
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},
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Remove: []string{"x"},
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},
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},
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},
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},
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{
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config: &Ingress{
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HeaderControl: &HeaderControlConfig{
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Request: &HeaderOperation{
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Update: map[string]string{
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"two": "2",
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},
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Remove: []string{"one", "two", "three"},
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},
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Response: &HeaderOperation{
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Add: map[string]string{
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"A": "a",
|
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"B": "b",
|
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},
|
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Remove: []string{"x"},
|
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},
|
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},
|
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},
|
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input: &networking.HTTPRoute{},
|
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expect: &networking.HTTPRoute{
|
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Headers: &networking.Headers{
|
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Request: &networking.Headers_HeaderOperations{
|
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Set: map[string]string{
|
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"two": "2",
|
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},
|
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Remove: []string{"one", "two", "three"},
|
||||
},
|
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Response: &networking.Headers_HeaderOperations{
|
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Add: map[string]string{
|
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"A": "a",
|
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"B": "b",
|
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},
|
||||
Remove: []string{"x"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
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|
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for _, inputCase := range inputCases {
|
||||
t.Run("", func(t *testing.T) {
|
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headerControl.ApplyRoute(inputCase.input, inputCase.config)
|
||||
if !reflect.DeepEqual(inputCase.input, inputCase.expect) {
|
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t.Fatal("Should be equal")
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,130 @@
|
||||
// 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.
|
||||
|
||||
package tests
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"github.com/alibaba/higress/test/ingress/conformance/utils/http"
|
||||
"github.com/alibaba/higress/test/ingress/conformance/utils/suite"
|
||||
)
|
||||
|
||||
func init() {
|
||||
HigressConformanceTests = append(HigressConformanceTests, HTTPRouteRequestHeaderControl)
|
||||
}
|
||||
|
||||
var HTTPRouteRequestHeaderControl = suite.ConformanceTest{
|
||||
ShortName: "HTTPRouteRequestHeaderControl",
|
||||
Description: "A single Ingress in the higress-conformance-infra namespace controls the request header.",
|
||||
Manifests: []string{"tests/httproute-request-header-control.yaml"},
|
||||
Test: func(t *testing.T, suite *suite.ConformanceTestSuite) {
|
||||
testcases := []http.Assertion{
|
||||
{
|
||||
Request: http.AssertionRequest{
|
||||
ActualRequest: http.Request{
|
||||
Path: "/foo1",
|
||||
Host: "foo.com",
|
||||
},
|
||||
ExpectedRequest: &http.ExpectedRequest{
|
||||
Request: http.Request{
|
||||
Headers: map[string]string{
|
||||
"stage": "test",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
|
||||
Response: http.AssertionResponse{
|
||||
ExpectedResponse: http.Response{
|
||||
StatusCode: 200,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Request: http.AssertionRequest{
|
||||
ActualRequest: http.Request{
|
||||
Path: "/foo2",
|
||||
Host: "foo.com",
|
||||
},
|
||||
ExpectedRequest: &http.ExpectedRequest{
|
||||
Request: http.Request{
|
||||
Headers: map[string]string{
|
||||
"stage": "test",
|
||||
"canary": "true",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
|
||||
Response: http.AssertionResponse{
|
||||
ExpectedResponse: http.Response{
|
||||
StatusCode: 200,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Request: http.AssertionRequest{
|
||||
ActualRequest: http.Request{
|
||||
Path: "/foo3",
|
||||
Host: "foo.com",
|
||||
Headers: map[string]string{
|
||||
"stage": "test",
|
||||
},
|
||||
},
|
||||
ExpectedRequest: &http.ExpectedRequest{
|
||||
Request: http.Request{
|
||||
Headers: map[string]string{
|
||||
"stage": "pro",
|
||||
"canary": "true",
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
|
||||
Response: http.AssertionResponse{
|
||||
ExpectedResponse: http.Response{
|
||||
StatusCode: 200,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Request: http.AssertionRequest{
|
||||
ActualRequest: http.Request{
|
||||
Path: "/foo4",
|
||||
Host: "foo.com",
|
||||
Headers: map[string]string{
|
||||
"stage": "test",
|
||||
},
|
||||
},
|
||||
ExpectedRequest: &http.ExpectedRequest{
|
||||
AbsentHeaders: []string{"stage"},
|
||||
},
|
||||
},
|
||||
|
||||
Response: http.AssertionResponse{
|
||||
ExpectedResponse: http.Response{
|
||||
StatusCode: 200,
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
t.Run("Request header control", func(t *testing.T) {
|
||||
for _, testcase := range testcases {
|
||||
http.MakeRequestAndExpectEventuallyConsistentResponse(t, suite.RoundTripper, suite.TimeoutConfig, suite.GatewayAddress, testcase)
|
||||
}
|
||||
})
|
||||
},
|
||||
}
|
||||
@@ -0,0 +1,99 @@
|
||||
# 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:
|
||||
annotations:
|
||||
higress.io/request-header-control-add: stage test
|
||||
name: httproute-request-header-control-add-one
|
||||
namespace: higress-conformance-infra
|
||||
spec:
|
||||
ingressClassName: higress
|
||||
rules:
|
||||
- host: "foo.com"
|
||||
http:
|
||||
paths:
|
||||
- pathType: Exact
|
||||
path: "/foo1"
|
||||
backend:
|
||||
service:
|
||||
name: infra-backend-v1
|
||||
port:
|
||||
number: 8080
|
||||
---
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
higress.io/request-header-control-add: |
|
||||
stage test
|
||||
canary true
|
||||
name: httproute-request-header-control-add-more
|
||||
namespace: higress-conformance-infra
|
||||
spec:
|
||||
ingressClassName: higress
|
||||
rules:
|
||||
- host: "foo.com"
|
||||
http:
|
||||
paths:
|
||||
- pathType: Exact
|
||||
path: "/foo2"
|
||||
backend:
|
||||
service:
|
||||
name: infra-backend-v1
|
||||
port:
|
||||
number: 8080
|
||||
---
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
higress.io/request-header-control-update: stage pro
|
||||
name: httproute-request-header-control-update
|
||||
namespace: higress-conformance-infra
|
||||
spec:
|
||||
ingressClassName: higress
|
||||
rules:
|
||||
- host: "foo.com"
|
||||
http:
|
||||
paths:
|
||||
- pathType: Exact
|
||||
path: "/foo3"
|
||||
backend:
|
||||
service:
|
||||
name: infra-backend-v1
|
||||
port:
|
||||
number: 8080
|
||||
---
|
||||
apiVersion: networking.k8s.io/v1
|
||||
kind: Ingress
|
||||
metadata:
|
||||
annotations:
|
||||
higress.io/request-header-control-remove: stage
|
||||
name: httproute-request-header-control-remove
|
||||
namespace: higress-conformance-infra
|
||||
spec:
|
||||
ingressClassName: higress
|
||||
rules:
|
||||
- host: "foo.com"
|
||||
http:
|
||||
paths:
|
||||
- pathType: Exact
|
||||
path: "/foo4"
|
||||
backend:
|
||||
service:
|
||||
name: infra-backend-v1
|
||||
port:
|
||||
number: 8080
|
||||
Reference in New Issue
Block a user