Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
40f1372
commit 8a17eea
Showing
11 changed files
with
478 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,224 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one or more | ||
| // contributor license agreements. See the NOTICE file distributed with | ||
| // this work for additional information regarding copyright ownership. | ||
| // The ASF licenses this file to You 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 gateway | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "go.uber.org/zap" | ||
| k8serrors "k8s.io/apimachinery/pkg/api/errors" | ||
| "k8s.io/client-go/tools/cache" | ||
| "k8s.io/client-go/util/workqueue" | ||
| gatewayv1alpha2 "sigs.k8s.io/gateway-api/apis/v1alpha2" | ||
|
|
||
| "github.com/apache/apisix-ingress-controller/pkg/log" | ||
| "github.com/apache/apisix-ingress-controller/pkg/providers/translation" | ||
| "github.com/apache/apisix-ingress-controller/pkg/providers/utils" | ||
| "github.com/apache/apisix-ingress-controller/pkg/types" | ||
| ) | ||
|
|
||
| type gatewayUDPRouteController struct { | ||
| controller *Provider | ||
| workqueue workqueue.RateLimitingInterface | ||
| workers int | ||
| } | ||
|
|
||
| func newGatewayUDPRouteController(c *Provider) *gatewayUDPRouteController { | ||
| ctrl := &gatewayUDPRouteController{ | ||
| controller: c, | ||
| workqueue: workqueue.NewNamedRateLimitingQueue(workqueue.NewItemFastSlowRateLimiter(1*time.Second, 60*time.Second, 5), "GatewayUDPRoute"), | ||
| workers: 1, | ||
| } | ||
|
|
||
| ctrl.controller.gatewayUDPRouteInformer.AddEventHandler(cache.ResourceEventHandlerFuncs{ | ||
| AddFunc: ctrl.onAdd, | ||
| UpdateFunc: ctrl.onUpdate, | ||
| DeleteFunc: ctrl.OnDelete, | ||
| }) | ||
| return ctrl | ||
| } | ||
|
|
||
| func (c *gatewayUDPRouteController) run(ctx context.Context) { | ||
| log.Info("gateway UDPRoute controller started") | ||
| defer log.Info("gateway UDPRoute controller exited") | ||
| defer c.workqueue.ShutDown() | ||
|
|
||
| if !cache.WaitForCacheSync(ctx.Done(), c.controller.gatewayUDPRouteInformer.HasSynced) { | ||
| log.Error("sync Gateway UDPRoute cache failed") | ||
| return | ||
| } | ||
|
|
||
| for i := 0; i < c.workers; i++ { | ||
| go c.runWorker(ctx) | ||
| } | ||
| <-ctx.Done() | ||
| } | ||
|
|
||
| func (c *gatewayUDPRouteController) runWorker(ctx context.Context) { | ||
| for { | ||
| obj, quit := c.workqueue.Get() | ||
| if quit { | ||
| return | ||
| } | ||
| err := c.sync(ctx, obj.(*types.Event)) | ||
| c.workqueue.Done(obj) | ||
| c.handleSyncErr(obj, err) | ||
| } | ||
| } | ||
|
|
||
| func (c *gatewayUDPRouteController) sync(ctx context.Context, ev *types.Event) error { | ||
| key := ev.Object.(string) | ||
| namespace, name, err := cache.SplitMetaNamespaceKey(key) | ||
| if err != nil { | ||
| log.Errorw("found Gateway UDPRoute resource with invalid key", | ||
| zap.Error(err), | ||
| zap.String("key", key), | ||
| ) | ||
| return err | ||
| } | ||
|
|
||
| log.Debugw("sync UDPRoute", zap.String("key", key)) | ||
|
|
||
| udpRoute, err := c.controller.gatewayUDPRouteLister.UDPRoutes(namespace).Get(name) | ||
| if err != nil { | ||
| if !k8serrors.IsNotFound(err) { | ||
| log.Errorw("failed to get Gateway UDPRoute", | ||
| zap.Error(err), | ||
| zap.String("key", key), | ||
| ) | ||
| return err | ||
| } | ||
| if ev.Type != types.EventDelete { | ||
| log.Warnw("Gateway UDPRoute was deleted before process", | ||
| zap.String("key", key), | ||
| ) | ||
| // Don't need to retry. | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| if ev.Type == types.EventDelete { | ||
| if udpRoute != nil { | ||
| // We still find the resource while we are processing the DELETE event, | ||
| // that means object with same namespace and name was created, discarding | ||
| // this stale DELETE event. | ||
| log.Warnw("discard the stale Gateway delete event since it exists", | ||
| zap.String("key", key), | ||
| ) | ||
| return nil | ||
| } | ||
| udpRoute = ev.Tombstone.(*gatewayv1alpha2.UDPRoute) | ||
| } | ||
|
|
||
| tctx, err := c.controller.translator.TranslateGatewayUDPRouteV1Alpha2(udpRoute) | ||
|
|
||
| if err != nil { | ||
| log.Errorw("failed to translate gateway UDPRoute", | ||
| zap.Error(err), | ||
| zap.Any("object", udpRoute), | ||
| ) | ||
| return err | ||
| } | ||
|
|
||
| log.Debugw("translated UDPRoute", | ||
| zap.Any("streamroutes", tctx.StreamRoutes), | ||
| zap.Any("upstreams", tctx.Upstreams), | ||
| ) | ||
| m := &utils.Manifest{ | ||
| StreamRoutes: tctx.StreamRoutes, | ||
| Upstreams: tctx.Upstreams, | ||
| } | ||
|
|
||
| var ( | ||
| added *utils.Manifest | ||
| updated *utils.Manifest | ||
| deleted *utils.Manifest | ||
| ) | ||
|
|
||
| if ev.Type == types.EventDelete { | ||
| deleted = m | ||
| } else if ev.Type == types.EventAdd { | ||
| added = m | ||
| } else { | ||
| var oldCtx *translation.TranslateContext | ||
| oldObj := ev.OldObject.(*gatewayv1alpha2.UDPRoute) | ||
| oldCtx, err = c.controller.translator.TranslateGatewayUDPRouteV1Alpha2(oldObj) | ||
| if err != nil { | ||
| log.Errorw("failed to translate old UDPRoute", | ||
| zap.String("version", oldObj.APIVersion), | ||
| zap.String("event_type", "update"), | ||
| zap.Any("UDPRoute", oldObj), | ||
| zap.Error(err), | ||
| ) | ||
| return err | ||
| } | ||
|
|
||
| om := &utils.Manifest{ | ||
| Routes: oldCtx.Routes, | ||
| Upstreams: oldCtx.Upstreams, | ||
| } | ||
| added, updated, deleted = m.Diff(om) | ||
| } | ||
|
|
||
| return utils.SyncManifests(ctx, c.controller.APISIX, c.controller.APISIXClusterName, added, updated, deleted) | ||
| } | ||
|
|
||
| func (c *gatewayUDPRouteController) handleSyncErr(obj interface{}, err error) { | ||
| if err == nil { | ||
| c.workqueue.Forget(obj) | ||
| c.controller.MetricsCollector.IncrSyncOperation("gateway_udproute", "success") | ||
| return | ||
| } | ||
| event := obj.(*types.Event) | ||
| if k8serrors.IsNotFound(err) && event.Type != types.EventDelete { | ||
| log.Infow("sync gateway UDPRoute but not found, ignore", | ||
| zap.String("event_type", event.Type.String()), | ||
| zap.String("UDPRoute ", event.Object.(string)), | ||
| ) | ||
| c.workqueue.Forget(event) | ||
| return | ||
| } | ||
| log.Warnw("sync gateway UDPRoute failed, will retry", | ||
| zap.Any("object", obj), | ||
| zap.Error(err), | ||
| ) | ||
| c.workqueue.AddRateLimited(obj) | ||
| c.controller.MetricsCollector.IncrSyncOperation("gateway_udproute", "failure") | ||
| } | ||
|
|
||
| func (c *gatewayUDPRouteController) onAdd(obj interface{}) { | ||
| key, err := cache.MetaNamespaceKeyFunc(obj) | ||
| if err != nil { | ||
| log.Errorw("found gateway UDPRoute resource with bad meta namespace key", | ||
| zap.Error(err), | ||
| ) | ||
| return | ||
| } | ||
| if !c.controller.NamespaceProvider.IsWatchingNamespace(key) { | ||
| return | ||
| } | ||
| log.Debugw("gateway UDPRoute add event arrived", | ||
| zap.Any("object", obj), | ||
| ) | ||
|
|
||
| log.Debugw("add UDPRoute", zap.String("key", key)) | ||
| c.workqueue.Add(&types.Event{ | ||
| Type: types.EventAdd, | ||
| Object: key, | ||
| }) | ||
| } | ||
| func (c *gatewayUDPRouteController) onUpdate(oldObj, newObj interface{}) {} | ||
| func (c *gatewayUDPRouteController) OnDelete(obj interface{}) {} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.