Function PushAndRunTests

integration/runner/runner.go:92–196

(host, testDir string)

}

func PushAndRunTests(host, testDir string) (result error) {
	// Push binary.
	klog.Infof("Pushing cAdvisor binary to %q...", host)

	err := RunSshCommand("ssh", host, "--", "mkdir", "-p", testDir)
	if err != nil {
		return fmt.Errorf("failed to make remote testing directory: %v", err)
	}
	defer func() {
		err = RunSshCommand("ssh", host, "--", "rm", "-rf", testDir)
		if err != nil {
			klog.Errorf("Failed to cleanup test directory: %v", err)
		}
	}()

	err = RunSshCommand("scp", "-r", cadvisorBinary, fmt.Sprintf("%s:%s", host, testDir))
	if err != nil {
		return fmt.Errorf("failed to copy binary: %v", err)
	}

	// Start cAdvisor.
	klog.Infof("Running cAdvisor on %q...", host)
	portStr := strconv.Itoa(*port)
	errChan := make(chan error, 1)
	go func() {
		err = RunSshCommand("ssh", host, "--", fmt.Sprintf("sudo GORACE='halt_on_error=1' %s --port %s --logtostderr --env_metadata_whitelist=TEST_VAR  &> %s/log.txt", path.Join(testDir, cadvisorBinary), portStr, testDir))
		if err != nil {
			errChan <- fmt.Errorf("error running cAdvisor: %v", err)
		}
	}()
	defer func() {
		err = RunSshCommand("ssh", host, "--", "sudo", "pkill", cadvisorBinary)
		if err != nil {
			klog.Errorf("Failed to cleanup: %v", err)
		}
	}()
	defer func() {
		if result != nil {
			// Copy logs from the host
			err := RunSshCommand("scp", fmt.Sprintf("%s:%s/log.txt", host, testDir), "./")
			if err != nil {
				result = fmt.Errorf("error fetching logs: %v for %v", err, result)
				return
			}
			defer os.Remove("./log.txt")
			logs, err := os.ReadFile("./log.txt")
			if err != nil {
				result = fmt.Errorf("error reading local log file: %v for %v", err, result)
				return
			}
			klog.Errorf("----------------------\nLogs from Host: %q\n%v\n", host, string(logs))

			// Get attributes for debugging purposes.
			attributes, err := getAttributes(host, portStr)
			if err != nil {
				klog.Errorf("Failed to read host attributes: %v", err)
			}
			result = fmt.Errorf("error on host %s: %v\n%+v", host, result, attributes)