Python wait_for_pid Examples

Example #1

File: ambari_server_main.py Project: bijiajin/ambari

def wait_for_server_start(pidFile, scmStatus):
    properties = get_ambari_properties()
    if properties == -1:
        err = "Error getting ambari properties"
        raise FatalException(-1, err)

    #wait for server process for SERVER_START_TIMEOUT seconds
    sys.stdout.write('Waiting for server start...')
    sys.stdout.flush()

    pids = looking_for_pid(SERVER_SEARCH_PATTERN, SERVER_INIT_TIMEOUT)
    found_pids = wait_for_pid(pids, SERVER_INIT_TIMEOUT, SERVER_START_TIMEOUT,
                              WEB_UI_INIT_TIME, properties)

    sys.stdout.write('\n')
    sys.stdout.flush()

    if found_pids <= 0:
        exitcode = check_exitcode(
            os.path.join(configDefaults.PID_DIR, EXITCODE_NAME))
        raise FatalException(
            -1,
            AMBARI_SERVER_DIE_MSG.format(exitcode,
                                         configDefaults.SERVER_OUT_FILE))
    else:
        save_main_pid_ex(
            pids, pidFile,
            locate_all_file_paths('sh', '/bin') +
            locate_all_file_paths('bash', '/bin') +
            locate_all_file_paths('dash', '/bin'), True, IS_FOREGROUND)

Example #2

def wait_for_server_start(pidFile, scmStatus):
  #wait for server process for SERVER_START_TIMEOUT seconds
  sys.stdout.write('Waiting for server start...')
  sys.stdout.flush()

  pids = looking_for_pid(SERVER_SEARCH_PATTERN, SERVER_INIT_TIMEOUT)
  found_pids = wait_for_pid(pids, SERVER_START_TIMEOUT)

  sys.stdout.write('\n')
  sys.stdout.flush()

  if found_pids <= 0:
    exitcode = check_exitcode(os.path.join(configDefaults.PID_DIR, EXITCODE_NAME))
    raise FatalException(-1, AMBARI_SERVER_DIE_MSG.format(exitcode, configDefaults.SERVER_OUT_FILE))
  else:
    save_main_pid_ex(pids, pidFile, [locate_file('sh', '/bin'),
                                     locate_file('bash', '/bin'),
                                     locate_file('dash', '/bin')], True)

Example #3

File: ambari_server_main.py Project: biggeng/ambari

def wait_for_server_start(pidFile, scmStatus):
  #wait for server process for SERVER_START_TIMEOUT seconds
  sys.stdout.write('Waiting for server start...')
  sys.stdout.flush()

  pids = looking_for_pid(SERVER_SEARCH_PATTERN, SERVER_INIT_TIMEOUT)
  found_pids = wait_for_pid(pids, SERVER_START_TIMEOUT)

  sys.stdout.write('\n')
  sys.stdout.flush()

  if found_pids <= 0:
    exitcode = check_exitcode(os.path.join(configDefaults.PID_DIR, EXITCODE_NAME))
    raise FatalException(-1, AMBARI_SERVER_DIE_MSG.format(exitcode, configDefaults.SERVER_OUT_FILE))
  else:
    save_main_pid_ex(pids, pidFile, [locate_file('sh', '/bin'),
                                     locate_file('bash', '/bin'),
                                     locate_file('dash', '/bin')], True)