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Merge pull request #36181 from yujuhong/get_logs

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Automatic merge from submit-queue

Node e2e: collect logs if the test fails unexpectedly
This commit is contained in:
Kubernetes Submit Queue 2016-11-03 14:40:52 -07:00 committed by GitHub
commit 32bc46a202
1 changed files with 29 additions and 1 deletions
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30
test/e2e_node/remote/remote.go
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@ -167,7 +167,9 @@ func RunRemote(archive string, host string, cleanup bool, junitFilePrefix string
// Create the temp staging directory
glog.Infof("Staging test binaries on %s", host)
tmp := fmt.Sprintf("/tmp/gcloud-e2e-%d", rand.Int31())
dirName := fmt.Sprintf("gcloud-e2e-%d", rand.Int31())
tmp := fmt.Sprintf("/tmp/%s", dirName)
_, err := RunSshCommand("ssh", GetHostnameOrIp(host), "--", "mkdir", tmp)
if err != nil {
// Exit failure with the error
@ -291,6 +293,32 @@ func RunRemote(archive string, host string, cleanup bool, junitFilePrefix string
aggErrs = append(aggErrs, err)
}
if err != nil {
// Encountered an unexpected error. The remote test harness may not
// have finished retrieved and stored all the logs in this case. Try
// to get some logs for debugging purposes.
// TODO: This is a best-effort, temporary hack that only works for
// journald nodes. We should have a more robust way to collect logs.
var (
logName = fmt.Sprintf("%s-system.log", dirName)
logPath = fmt.Sprintf("/tmp/%s-system.log", dirName)
destPath = fmt.Sprintf("%s/%s-%s", *resultsDir, host, logName)
)
glog.Infof("Test failed unexpectedly. Attempting to retreiving system logs (only works for nodes with journald)")
// Try getting the system logs from journald and store it to a file.
// Don't reuse the original test directory on the remote host because
// it could've be been removed if the node was rebooted.
_, err := RunSshCommand("ssh", GetHostnameOrIp(host), "--", "sh", "-c", fmt.Sprintf("'sudo journalctl --system --all > %s'", logPath))
if err == nil {
glog.Infof("Got the system logs from journald; copying it back...")
if _, err := RunSshCommand("scp", fmt.Sprintf("%s:%s", GetHostnameOrIp(host), logPath), destPath); err != nil {
glog.Infof("Failed to copy the log: err: %v", err)
}
} else {
glog.Infof("Failed to run journactl (normal if it doesn't exist on the node): %v", err)
}
}
glog.Infof("Copying test artifacts from %s", host)
scpErr := getTestArtifacts(host, tmp)
if scpErr != nil {