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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| // 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 tests | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1" | ||
| "github.com/pingcap/tidb-operator/pkg/client/clientset/versioned" | ||
| "github.com/pingcap/tidb-operator/pkg/label" | ||
| "github.com/pingcap/tidb-operator/tests/slack" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/labels" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
||
| func GetTidbClusterOrDie(cli versioned.Interface, name, namespace string) *v1alpha1.TidbCluster { | ||
| tc, err := cli.PingcapV1alpha1().TidbClusters(namespace).Get(name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| slack.NotifyAndPanic(err) | ||
| } | ||
| return tc | ||
| } | ||
|
|
||
| func CreateTidbClusterOrDie(cli versioned.Interface, tc *v1alpha1.TidbCluster) { | ||
| _, err := cli.PingcapV1alpha1().TidbClusters(tc.Namespace).Create(tc) | ||
| if err != nil { | ||
| slack.NotifyAndPanic(err) | ||
| } | ||
| } | ||
|
|
||
| func UpdateTidbClusterOrDie(cli versioned.Interface, tc *v1alpha1.TidbCluster) { | ||
| err := wait.Poll(5*time.Second, 3*time.Minute, func() (done bool, err error) { | ||
| latestTC, err := cli.PingcapV1alpha1().TidbClusters(tc.Namespace).Get(tc.Name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return false, nil | ||
| } | ||
| latestTC.Spec = tc.Spec | ||
| _, err = cli.PingcapV1alpha1().TidbClusters(tc.Namespace).Update(latestTC) | ||
| if err != nil { | ||
| return false, nil | ||
| } | ||
| return true, nil | ||
| }) | ||
| if err != nil { | ||
| slack.NotifyAndPanic(err) | ||
| } | ||
| } | ||
|
|
||
| func CheckDisasterToleranceOrDie(kubeCli kubernetes.Interface, tc *v1alpha1.TidbCluster) { | ||
| err := checkDisasterTolerance(kubeCli, tc) | ||
| if err != nil { | ||
| slack.NotifyAndPanic(err) | ||
| } | ||
| } | ||
|
|
||
| func checkDisasterTolerance(kubeCli kubernetes.Interface, cluster *v1alpha1.TidbCluster) error { | ||
| pds, err := kubeCli.CoreV1().Pods(cluster.Namespace).List( | ||
| metav1.ListOptions{LabelSelector: labels.SelectorFromSet( | ||
| label.New().Instance(cluster.Name).PD().Labels(), | ||
| ).String()}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = checkPodsDisasterTolerance(pds.Items) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| tikvs, err := kubeCli.CoreV1().Pods(cluster.Namespace).List( | ||
| metav1.ListOptions{LabelSelector: labels.SelectorFromSet( | ||
| label.New().Instance(cluster.Name).TiKV().Labels(), | ||
| ).String()}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = checkPodsDisasterTolerance(tikvs.Items) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| tidbs, err := kubeCli.CoreV1().Pods(cluster.Namespace).List( | ||
| metav1.ListOptions{LabelSelector: labels.SelectorFromSet( | ||
| label.New().Instance(cluster.Name).TiDB().Labels(), | ||
| ).String()}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return checkPodsDisasterTolerance(tidbs.Items) | ||
| } | ||
|
|
||
| func checkPodsDisasterTolerance(allPods []corev1.Pod) error { | ||
| for _, pod := range allPods { | ||
| if pod.Spec.Affinity == nil { | ||
| return fmt.Errorf("the pod:[%s/%s] has not Affinity", pod.Namespace, pod.Name) | ||
| } | ||
| if pod.Spec.Affinity.PodAntiAffinity == nil { | ||
| return fmt.Errorf("the pod:[%s/%s] has not Affinity.PodAntiAffinity", pod.Namespace, pod.Name) | ||
| } | ||
| if len(pod.Spec.Affinity.PodAntiAffinity.PreferredDuringSchedulingIgnoredDuringExecution) == 0 { | ||
| return fmt.Errorf("the pod:[%s/%s] has not PreferredDuringSchedulingIgnoredDuringExecution", pod.Namespace, pod.Name) | ||
| } | ||
| for _, prefer := range pod.Spec.Affinity.PodAntiAffinity.PreferredDuringSchedulingIgnoredDuringExecution { | ||
| if prefer.PodAffinityTerm.TopologyKey != RackLabel { | ||
| return fmt.Errorf("the pod:[%s/%s] topology key is not %s", pod.Namespace, pod.Name, RackLabel) | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } |
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