./bin/run_server_task  ShardRemoveFromProductionMasterTask --host_server 'chromeos-skunk-3.mtv.corp.google.com' --prod_master 'cautotest' --board_labels ''


[cautotest] run: /usr/local/autotest//cli/atest shard list -w cautotest chromeos-skunk-3.mtv.corp.google.com
2017-09-20 10:36:04,820 ERRO| Traceback (most recent call last):
  File "/usr/local/google/home/nxia/chromiumos/chromeos-admin/venv/server_management_lib/tasks/task.py", line 66, in run
    self._run()
  File "/usr/local/google/home/nxia/chromiumos/chromeos-admin/venv/server_management_lib/tasks/atomic_shard.py", line 435, in _run
    self.cleanup_task._cleanup_shard_db()
  File "/usr/local/google/home/nxia/chromiumos/chromeos-admin/venv/server_management_lib/tasks/atomic_common.py", line 93, in decorated_func
    return func(self)
  File "/usr/local/google/home/nxia/chromiumos/chromeos-admin/venv/server_management_lib/tasks/atomic_shard.py", line 97, in _cleanup_shard_db
    (constants.AUTOTEST_DIR, self.db_password))
AttributeError: 'ShardCleanupTask' object has no attribute 'db_password'

2017-09-20 10:36:04,820 ERRO| 'ShardCleanupTask' object has no attribute 'db_password'
2017-09-20 10:36:04,820 INFO| Printing out task report.
{
  "sub_reports": [],
  "exception": "AttributeError(\"'ShardCleanupTask' object has no attribute 'db_password'\",)",
  "is_successful": false,
  "description": "'ShardCleanupTask' object has no attribute 'db_password'",
  "arguments_used": {
    "board_labels": [
      ""
    ],
    "prod_master": "cautotest",
    "host_server": "chromeos-skunk-3.mtv.corp.google.com"
  },
  "task_name": "ShardRemoveFromProductionMasterTask"