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log dump when test failed (pingcap#317)
* add log dump
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package tests | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func (oa *operatorActions) DumpAllLogs(operatorInfo *OperatorInfo, testClusters []*TidbClusterInfo) error { | ||
| logPath := fmt.Sprintf("/%s/%s", oa.logDir, "operator-stability") | ||
| if _, err := os.Stat(logPath); os.IsNotExist(err) { | ||
| err = os.MkdirAll(logPath, os.ModePerm) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| // dump all resources info | ||
| resourceLogFile, err := os.Create(filepath.Join(logPath, "resources")) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resourceLogFile.Close() | ||
| resourceWriter := bufio.NewWriter(resourceLogFile) | ||
| dumpLog("kubectl get po -owide -n kube-system", resourceWriter) | ||
| dumpLog(fmt.Sprintf("kubectl get po -owide -n %s", operatorInfo.Namespace), resourceWriter) | ||
| dumpLog("kubectl get pv", resourceWriter) | ||
| dumpLog("kubectl get pv -oyaml", resourceWriter) | ||
| dumpedNamespace := map[string]bool{} | ||
| for _, testCluster := range testClusters { | ||
| if _, exist := dumpedNamespace[testCluster.Namespace]; !exist { | ||
| dumpLog(fmt.Sprintf("kubectl get po,pvc,svc,cm,cronjobs,jobs,statefulsets,tidbclusters -owide -n %s", testCluster.Namespace), resourceWriter) | ||
| dumpLog(fmt.Sprintf("kubectl get po,pvc,svc,cm,cronjobs,jobs,statefulsets,tidbclusters -n %s -oyaml", testCluster.Namespace), resourceWriter) | ||
| dumpedNamespace[testCluster.Namespace] = true | ||
| } | ||
| } | ||
|
|
||
| // dump operator components's log | ||
| operatorPods, err := oa.kubeCli.CoreV1().Pods(operatorInfo.Namespace).List(metav1.ListOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, pod := range operatorPods.Items { | ||
| err := dumpPod(logPath, &pod) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| // dump all test clusters's logs | ||
| dumpedNamespace = map[string]bool{} | ||
| for _, testCluster := range testClusters { | ||
| if _, exist := dumpedNamespace[testCluster.Namespace]; !exist { | ||
| clusterPodList, err := oa.kubeCli.CoreV1().Pods(testCluster.Namespace).List(metav1.ListOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, pod := range clusterPodList.Items { | ||
| err := dumpPod(logPath, &pod) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| dumpedNamespace[testCluster.Namespace] = true | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func dumpPod(logPath string, pod *corev1.Pod) error { | ||
| logFile, err := os.Create(filepath.Join(logPath, fmt.Sprintf("%s-%s.log", pod.Name, pod.Namespace))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer logFile.Close() | ||
| plogFile, err := os.Create(filepath.Join(logPath, fmt.Sprintf("%s-%s-p.log", pod.Name, pod.Namespace))) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer plogFile.Close() | ||
|
|
||
| logWriter := bufio.NewWriter(logFile) | ||
| plogWriter := bufio.NewWriter(plogFile) | ||
| defer logWriter.Flush() | ||
| defer plogWriter.Flush() | ||
|
|
||
| for _, c := range pod.Spec.Containers { | ||
| dumpLog(fmt.Sprintf("kubectl logs -n %s %s -c %s", pod.Namespace, pod.GetName(), c.Name), logWriter) | ||
| dumpLog(fmt.Sprintf("kubectl logs -n %s %s -c %s -p", pod.Namespace, pod.GetName(), c.Name), plogWriter) | ||
| } | ||
|
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||
| return nil | ||
| } | ||
|
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| func dumpLog(cmdStr string, writer *bufio.Writer) { | ||
| writer.WriteString(fmt.Sprintf("$ %s\n", cmdStr)) | ||
| cmd := exec.Command("/bin/sh", "-c", "/usr/local/bin/"+cmdStr) | ||
| cmd.Stderr = writer | ||
| cmd.Stdout = writer | ||
| err := cmd.Run() | ||
| if err != nil { | ||
| writer.WriteString(err.Error()) | ||
| } | ||
| } |
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