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upgrade to istio 1.19 (#1211)
Co-authored-by: CH3CHO <ch3cho@qq.com> Co-authored-by: rinfx <893383980@qq.com>
This commit is contained in:
澄潭
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197
pkg/ingress/kube/gateway/controller.go
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197
pkg/ingress/kube/gateway/controller.go
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// Copyright (c) 2023 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 gateway
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import (
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"sync/atomic"
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"istio.io/istio/pilot/pkg/config/kube/crdclient"
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"istio.io/istio/pilot/pkg/credentials"
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kubecredentials "istio.io/istio/pilot/pkg/credentials/kube"
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"istio.io/istio/pilot/pkg/model"
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kubecontroller "istio.io/istio/pilot/pkg/serviceregistry/kube/controller"
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"istio.io/istio/pkg/config"
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"istio.io/istio/pkg/config/constants"
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"istio.io/istio/pkg/config/schema/collection"
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"istio.io/istio/pkg/config/schema/collections"
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"istio.io/istio/pkg/config/schema/gvk"
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"istio.io/istio/pkg/config/schema/resource"
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"istio.io/istio/pkg/kube"
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"istio.io/istio/pkg/kube/multicluster"
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"k8s.io/client-go/tools/cache"
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higressconfig "github.com/alibaba/higress/pkg/config"
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"github.com/alibaba/higress/pkg/ingress/kube/common"
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istiogateway "github.com/alibaba/higress/pkg/ingress/kube/gateway/istio"
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"github.com/alibaba/higress/pkg/ingress/kube/util"
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. "github.com/alibaba/higress/pkg/ingress/log"
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)
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type gatewayController struct {
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virtualServiceHandlers []model.EventHandler
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gatewayHandlers []model.EventHandler
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destinationRuleHandlers []model.EventHandler
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envoyFilterHandlers []model.EventHandler
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store model.ConfigStoreController
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credsController credentials.MulticlusterController
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istioController *istiogateway.Controller
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resourceUpToDate atomic.Bool
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}
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func NewController(client kube.Client, options common.Options) common.GatewayController {
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domainSuffix := util.GetDomainSuffix()
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opts := crdclient.Option{
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Revision: higressconfig.Revision,
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DomainSuffix: domainSuffix,
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Identifier: "gateway-controller",
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}
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schemasBuilder := collection.NewSchemasBuilder()
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collections.PilotGatewayAPI().ForEach(func(schema resource.Schema) bool {
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if schema.Group() == collections.GatewayClass.Group() {
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schemasBuilder.MustAdd(schema)
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}
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return false
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})
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store := crdclient.NewForSchemas(client, opts, schemasBuilder.Build())
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clusterId := options.ClusterId
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credsController := kubecredentials.NewMulticluster(clusterId)
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credsController.ClusterAdded(&multicluster.Cluster{ID: clusterId, Client: client}, nil)
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istioController := istiogateway.NewController(client, store, client.CrdWatcher().WaitForCRD, credsController, kubecontroller.Options{DomainSuffix: domainSuffix})
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if options.GatewaySelectorKey != "" {
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istioController.DefaultGatewaySelector = map[string]string{options.GatewaySelectorKey: options.GatewaySelectorValue}
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}
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if options.EnableStatus {
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// TODO: Add status sync support
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//istioController.SetStatusWrite(true,)
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} else {
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IngressLog.Infof("Disable status update for cluster %s", clusterId)
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}
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return &gatewayController{
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store: store,
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credsController: credsController,
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istioController: istioController,
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}
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}
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func (g *gatewayController) Schemas() collection.Schemas {
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return g.istioController.Schemas()
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}
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func (g *gatewayController) Get(typ config.GroupVersionKind, name, namespace string) *config.Config {
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return g.istioController.Get(typ, name, namespace)
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}
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func (g *gatewayController) List(typ config.GroupVersionKind, namespace string) []config.Config {
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if g.resourceUpToDate.CompareAndSwap(false, true) {
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err := g.istioController.Reconcile(model.NewPushContext())
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if err != nil {
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IngressLog.Errorf("failed to recompute Gateway API resources: %v", err)
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}
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}
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return g.istioController.List(typ, namespace)
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}
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func (g *gatewayController) Create(config config.Config) (revision string, err error) {
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return g.istioController.Create(config)
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}
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func (g *gatewayController) Update(config config.Config) (newRevision string, err error) {
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return g.istioController.Update(config)
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}
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func (g *gatewayController) UpdateStatus(config config.Config) (newRevision string, err error) {
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return g.istioController.UpdateStatus(config)
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}
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func (g *gatewayController) Patch(orig config.Config, patchFn config.PatchFunc) (string, error) {
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return g.istioController.Patch(orig, patchFn)
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}
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func (g *gatewayController) Delete(typ config.GroupVersionKind, name, namespace string, resourceVersion *string) error {
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return g.istioController.Delete(typ, name, namespace, resourceVersion)
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}
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func (g *gatewayController) RegisterEventHandler(kind config.GroupVersionKind, f model.EventHandler) {
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switch kind {
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case gvk.VirtualService:
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g.virtualServiceHandlers = append(g.virtualServiceHandlers, f)
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case gvk.Gateway:
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g.gatewayHandlers = append(g.gatewayHandlers, f)
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case gvk.DestinationRule:
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g.destinationRuleHandlers = append(g.destinationRuleHandlers, f)
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case gvk.EnvoyFilter:
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g.envoyFilterHandlers = append(g.envoyFilterHandlers, f)
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}
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}
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func (g *gatewayController) Run(stop <-chan struct{}) {
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g.store.Schemas().ForEach(func(schema resource.Schema) bool {
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g.store.RegisterEventHandler(schema.GroupVersionKind(), g.onEvent)
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return false
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})
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go g.store.Run(stop)
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go g.istioController.Run(stop)
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}
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func (g *gatewayController) SetWatchErrorHandler(f func(r *cache.Reflector, err error)) error {
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// TODO: implement
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return nil
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}
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func (g *gatewayController) HasSynced() bool {
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ret := g.istioController.HasSynced()
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if ret {
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err := g.istioController.Reconcile(model.NewPushContext())
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if err != nil {
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IngressLog.Errorf("failed to recompute Gateway API resources: %v", err)
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}
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}
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return ret
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}
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func (g *gatewayController) onEvent(prev config.Config, curr config.Config, event model.Event) {
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g.resourceUpToDate.Store(false)
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name := "gateway-api"
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namespace := curr.Namespace
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vsMetadata := config.Meta{
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Name: name + "-" + "virtualservice",
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Namespace: namespace,
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GroupVersionKind: gvk.VirtualService,
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// Set this label so that we do not compare configs and just push.
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Labels: map[string]string{constants.AlwaysPushLabel: "true"},
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}
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gatewayMetadata := config.Meta{
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Name: name + "-" + "gateway",
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Namespace: namespace,
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GroupVersionKind: gvk.Gateway,
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// Set this label so that we do not compare configs and just push.
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Labels: map[string]string{constants.AlwaysPushLabel: "true"},
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}
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for _, f := range g.virtualServiceHandlers {
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f(config.Config{Meta: vsMetadata}, config.Config{Meta: vsMetadata}, event)
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}
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for _, f := range g.gatewayHandlers {
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f(config.Config{Meta: gatewayMetadata}, config.Config{Meta: gatewayMetadata}, event)
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}
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}
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