-
Notifications
You must be signed in to change notification settings - Fork 499
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
kill tidb-operator pods randomly in e2e (#2125)
* kill tidb-operator pods randomly in e2e * don't use channel in configuration struct * add successful log
- Loading branch information
Showing
5 changed files
with
104 additions
and
5 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
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 +1,70 @@ | ||
| // Copyright 2020 PingCAP, Inc. | ||
| // | ||
| // 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package operator | ||
|
|
||
| import ( | ||
| "time" | ||
|
|
||
| v1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/kubernetes/test/e2e/framework" | ||
| ) | ||
|
|
||
| // OperatorKillerConfig describes configuration for operator killer. | ||
| type OperatorKillerConfig struct { | ||
| Enabled bool | ||
| // Interval is time between operator failures. | ||
| Interval time.Duration | ||
| // Operator pods will be deleted between [Interval, Interval * (1.0 + JitterFactor)]. | ||
| JitterFactor float64 | ||
| } | ||
|
|
||
| // OperatorKiller deletes pods of tidb-operator to simulate operator failures. | ||
| type OperatorKiller struct { | ||
| config OperatorKillerConfig | ||
| client kubernetes.Interface | ||
| podLister func() ([]v1.Pod, error) | ||
| } | ||
|
|
||
| // NewOperatorKiller creates a new operator killer. | ||
| func NewOperatorKiller(config OperatorKillerConfig, client kubernetes.Interface, podLister func() ([]v1.Pod, error)) *OperatorKiller { | ||
| return &OperatorKiller{ | ||
| config: config, | ||
| client: client, | ||
| podLister: podLister, | ||
| } | ||
| } | ||
|
|
||
| // Run starts OperatorKiller until stopCh is closed. | ||
| func (k *OperatorKiller) Run(stopCh <-chan struct{}) { | ||
| // wait.JitterUntil starts work immediately, so wait first. | ||
| time.Sleep(wait.Jitter(k.config.Interval, k.config.JitterFactor)) | ||
| wait.JitterUntil(func() { | ||
| pods, err := k.podLister() | ||
| if err != nil { | ||
| framework.Logf("failed to list operator pods: %v", err) | ||
| return | ||
| } | ||
| for _, pod := range pods { | ||
| err = k.client.CoreV1().Pods(pod.Namespace).Delete(pod.Name, &metav1.DeleteOptions{}) | ||
| if err != nil { | ||
| framework.Logf("failed to delete pod %s/%s: %v", pod.Namespace, pod.Name, err) | ||
| } else { | ||
| framework.Logf("successfully deleted tidb-operator pod %s/%s", pod.Namespace, pod.Name) | ||
| } | ||
| } | ||
| }, k.config.Interval, k.config.JitterFactor, true, stopCh) | ||
| } |