def _fatal_error_code(self, response):
"""Raise an exception for certain errors in a XG response.
Error codes are extracted from vdmd_mgmt.c.
Arguments:
response -- a response dict result from an XG request
"""
# known non-fatal response codes:
# 1024: 'lun deletion in progress, try again later'
# 14032: 'lc_err_lock_busy'
if response['code'] == 14000:
# lc_generic_error
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14002:
# lc_err_assertion_failed
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14004:
# lc_err_not_found
raise exception.ViolinBackendErrNotFound()
elif response['code'] == 14005:
# lc_err_exists
raise exception.ViolinBackendErrExists()
elif response['code'] == 14008:
# lc_err_unexpected_arg
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14014:
# lc_err_io_error
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14016:
# lc_err_io_closed
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14017:
# lc_err_io_timeout
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14021:
# lc_err_unexpected_case
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14025:
# lc_err_no_fs_space
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14035:
# lc_err_range
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14036:
# lc_err_invalid_param
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 14121:
# lc_err_cancelled_err
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 512:
# Not enough free space in container (vdmd bug)
raise exception.ViolinBackendErr(message=response['message'])
elif response['code'] == 1 and 'LUN ID conflict' \
in response['message']:
# lun id conflict while attempting to export
raise exception.ViolinBackendErr(message=response['message'])
def test_create_lun_lun_already_exists(self):
"""Array returns error that the lun already exists."""
response = {
'code': 14005,
'message': 'LUN with name ... already exists'
}
conf = {
'lun.create_lun.return_value': response,
}
self.driver.vip = self.setup_mock_client(m_conf=conf)
self.driver._send_cmd = mock.Mock(
side_effect=exception.ViolinBackendErrExists(response['message']))
self.assertTrue(self.driver._create_lun(VOLUME) is None)
def _check_error_code(self, response):
"""Raise an exception when backend returns certain errors.
Error codes returned from the backend have to be examined
individually. Not all of them are fatal. For example, lun attach
failing becase the client is already attached is not a fatal error.
:param response: a response dict result from the vmemclient request
"""
if "Error: 0x9001003c" in response['msg']:
# This error indicates a duplicate attempt to attach lun,
# non-fatal error
pass
elif "Error: 0x9002002b" in response['msg']:
# lun unexport failed - lun is not exported to any clients,
# non-fatal error
pass
elif "Error: 0x09010023" in response['msg']:
# lun delete failed - dependent snapshot copy in progress,
# fatal error
raise exception.ViolinBackendErr(message=response['msg'])
elif "Error: 0x09010048" in response['msg']:
# lun delete failed - dependent snapshots still exist,
# fatal error
raise exception.ViolinBackendErr(message=response['msg'])
elif "Error: 0x90010022" in response['msg']:
# lun create failed - lun with same name already exists,
# fatal error
raise exception.ViolinBackendErrExists()
elif "Error: 0x90010089" in response['msg']:
# lun export failed - lun is still being created as copy,
# fatal error
raise exception.ViolinBackendErr(message=response['msg'])
else:
# assume any other error is fatal
raise exception.ViolinBackendErr(message=response['msg'])