Synnefo » snf-ganeti

  master = qa_config.GetMasterNode()

  AssertCommand(["gnt-backup", "export", "-n", master.primary, instance.name])

  instance_info = GetInstanceInfo(instance.name)

  disk0 = None

  for volume in instance_info["volumes"]:

    if "disk0" in volume:

      i = volume.find("/")

      if i >= 0:

        disk0_id = volume[(i + 1):]

      else:

        disk0_id = volume

      disk0_path = "/srv/ganeti/export/%s/%s.snap" % (instance.name, disk0_id)

      try:

        AssertCommand(["stat", disk0_path])

        disk0 = disk0_path

        break

      except qa_error.Error:

        pass

  if disk0 is None:

    raise qa_error.Error("Could not determine exported disk for instance '%s'" %

                         instance.name)

  image = qa_utils.BackupFile(master.primary, disk0)

  AssertCommand(["gnt-instance", "reinstall",

                 "--os-parameters", "os-image=" + image,

                 "-f", instance.name])

  try:

    port = 8000

    while True:

      cmd = "( cd /srv/ganeti/export; python -m SimpleHTTPServer %d )" % port

      ssh_cmd = qa_utils.GetSSHCommand(master.primary, cmd)

      try:

        server_process = qa_utils.StartLocalCommand(ssh_cmd)

        break

      except OSError:

        if port < 9000:

          port += 1

        else:

          raise

    url = "http://localhost:%d/%s" % (port, os.path.basename(image))

    AssertCommand(["gnt-instance", "reinstall",

                   "--os-parameters", "os-image=" + url,

                   "-f", instance.name])

    AssertCommand(["rm", "-f", image])

  finally:

    server_process.terminate()

  AssertCommand(["gnt-instance", "reinstall",

                 "--os-parameters", "os-image=NonExistantOsForQa",

                 "-f", instance.name], fail=True)

  AssertCommand(["gnt-instance", "reinstall",

                 "--os-parameters", "os-image=http://NonExistantOsForQa",

                 "-f", instance.name], fail=True)

  url = "http://example.com/busybox.img"

  args.extend([

      ["--os-parameters", "os-image=" + url],

      ["--os-parameters", "os-image=default"]

      ])