+ task_id = self._start_async_task(data)
+
+ start = '* creating grafana'
+ self._check_status(task_id, start)
+
+ def do_prepare(self, args):
+ data = {'action': 'prepareYardstickEnv'}
+ task_id = self._start_async_task(data)
+
+ start = '* preparing yardstick environment'
+ self._check_status(task_id, start)
+
+ def _start_async_task(self, data):
+ url = consts.ENV_ACTION_API
+ return HttpClient().post(url, data)['result']['task_id']
+
+ def _check_status(self, task_id, start):
+ self._print_status(start, '[]\r')
+ url = '{}?task_id={}'.format(consts.ASYNC_TASK_API, task_id)
+
+ CHECK_STATUS_RETRY = 20
+ CHECK_STATUS_DELAY = 5
+
+ for retry in range(CHECK_STATUS_RETRY):
+ response = HttpClient().get(url)
+ status = response['status']
+
+ if status:
+ break
+
+ # wait until the async task finished
+ time.sleep(CHECK_STATUS_DELAY * (retry + 1))
+
+ switcher = {
+ 0: 'Timeout',
+ 1: 'Finished',
+ 2: 'Error'
+ }
+ self._print_status(start, '[{}]'.format(switcher[status]))
+ if status == 2:
+ print(response['result'])
+ sys.stdout.flush()
+ return status
+
+ def _print_status(self, s, e):
+ try:
+ columns = int(os.popen('stty size', 'r').read().split()[1])
+ word = '{}{}{}'.format(s, ' ' * (columns - len(s) - len(e)), e)
+ sys.stdout.write(word)
+ sys.stdout.flush()
+ except IndexError:
+ pass