generated from kubernetes/kubernetes-template-project
-
Notifications
You must be signed in to change notification settings - Fork 220
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add HA support for the visibility API
- Loading branch information
1 parent
ed81667
commit d2137ce
Showing
6 changed files
with
92 additions
and
26 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
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
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| Copyright 2023 The Kubernetes Authors. | ||
| 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 core | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/reconcile" | ||
| ) | ||
|
|
||
| // WithLeadingManager returns a decorating reconcile.Reconciler that skips reconciliation requests | ||
| // until the manager has been elected leader. Once the manager is elected leader, the returned | ||
| // reconcile.Reconciler simply delegates to the provided reconcile.Reconciler. | ||
| func WithLeadingManager(mgr ctrl.Manager, reconciler reconcile.Reconciler) reconcile.Reconciler { | ||
| return &leaderAwareReconciler{ | ||
| elected: mgr.Elected(), | ||
| delegate: reconciler, | ||
| } | ||
| } | ||
|
|
||
| type leaderAwareReconciler struct { | ||
| elected <-chan struct{} | ||
| delegate reconcile.Reconciler | ||
| } | ||
|
|
||
| var _ reconcile.Reconciler = (*leaderAwareReconciler)(nil) | ||
|
|
||
| func (r *leaderAwareReconciler) Reconcile(ctx context.Context, request reconcile.Request) (reconcile.Result, error) { | ||
| select { | ||
| case <-r.elected: | ||
| // The manager has been elected leader, delegate reconciliation to the provided reconciler. | ||
| return r.delegate.Reconcile(ctx, request) | ||
| default: | ||
| // The manager hasn't been elected leader yet, skip reconciliation. | ||
| return ctrl.Result{}, nil | ||
| } | ||
| } |
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
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