func (self shellActions) RunStress(command string, args ...string) (string, string) { var cmd *exec.Cmd if self.fm.Hostname().Host == "localhost" { // Just run locally. cmd = exec.Command(command, args...) } else { // We must SSH to the remote machine and run the command. cmd = exec.Command("gcloud", append([]string{"compute", "ssh", common.GetZoneFlag(), self.fm.Hostname().GceInstanceName, "--", command}, args...)...) } var stdout bytes.Buffer var stderr bytes.Buffer cmd.Stdout = &stdout cmd.Stderr = &stderr err := cmd.Run() if err != nil { self.fm.T().Logf("Ran %q %v in %q and received error: %q. Stdout: %q, Stderr: %s", command, args, self.fm.Hostname().Host, err, stdout.String(), stderr.String()) return stdout.String(), stderr.String() } return stdout.String(), stderr.String() }
func PushAndRunTests(host, testDir string) error { // Push binary. glog.Infof("Pushing cAdvisor binary to %q...", host) err := RunCommand("gcloud", "compute", "ssh", common.GetZoneFlag(), host, "--", "mkdir", "-p", testDir) if err != nil { return fmt.Errorf("failed to make remote testing directory: %v", err) } defer func() { err := RunCommand("gcloud", "compute", "ssh", common.GetZoneFlag(), host, "--", "rm", "-rf", testDir) if err != nil { glog.Errorf("Failed to cleanup test directory: %v", err) } }() err = RunCommand("gcloud", "compute", "copy-files", common.GetZoneFlag(), cadvisorBinary, fmt.Sprintf("%s:%s", host, testDir)) if err != nil { return fmt.Errorf("failed to copy binary: %v", err) } // TODO(vmarmol): Get logs in case of failures. // Start cAdvisor. glog.Infof("Running cAdvisor on %q...", host) portStr := strconv.Itoa(*port) errChan := make(chan error) go func() { err = RunCommand("gcloud", "compute", "ssh", common.GetZoneFlag(), host, "--command", fmt.Sprintf("sudo %s --port %s --logtostderr", path.Join(testDir, cadvisorBinary), portStr)) if err != nil { errChan <- fmt.Errorf("error running cAdvisor: %v", err) } }() defer func() { err := RunCommand("gcloud", "compute", "ssh", common.GetZoneFlag(), host, "--", "sudo", "pkill", cadvisorBinary) if err != nil { glog.Errorf("Failed to cleanup: %v", err) } }() ipAddress, err := common.GetGceIp(host) if err != nil { return fmt.Errorf("failed to get GCE IP: %v", err) } // Wait for cAdvisor to come up. endTime := time.Now().Add(*cadvisorTimeout) done := false for endTime.After(time.Now()) && !done { select { case err := <-errChan: // Quit early if there was an error. return err case <-time.After(500 * time.Millisecond): // Stop waiting when cAdvisor is healthy.. resp, err := http.Get(fmt.Sprintf("http://%s:%s/healthz", ipAddress, portStr)) if err == nil && resp.StatusCode == http.StatusOK { done = true break } } } if !done { return fmt.Errorf("timed out waiting for cAdvisor to come up at host %q", host) } // Run the tests. glog.Infof("Running integration tests targeting %q...", host) err = RunCommand("godep", "go", "test", "github.com/google/cadvisor/integration/tests/...", "--host", host, "--port", portStr) if err != nil { return err } return nil }