def _get_snapshot_id(self, volume_name, snapshot_name):
"""Queries the gateway to find the lun id for the exported snapshot.
Arguments:
volume_name -- LUN to query
snapshot_name -- Exported snapshot associated with LUN
Returns:
LUN ID for the exported lun
"""
lun_id = -1
prefix = "/vshare/config/export/snapshot/container"
bn = "%s/%s/lun/%s/snap/%s/target/**" \
% (prefix, self.container, volume_name, snapshot_name)
resp = self.vip.basic.get_node_values(bn)
for node in resp:
if node.endswith('/lun_id'):
lun_id = resp[node]
break
if lun_id == -1:
raise exception.ViolinBackendErrNotFound()
return lun_id
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_delete_lun_lun_already_deleted(self):
"""Array fails to delete a lun that doesn't exist."""
response = {'code': 14005, 'message': 'LUN ... does not exist.'}
conf = {
'lun.delete_lun.return_value': response,
}
self.driver.vip = self.setup_mock_vshare(m_conf=conf)
self.driver._send_cmd = mock.Mock(
side_effect=exception.ViolinBackendErrNotFound(
response['message']))
self.assertTrue(self.driver._delete_lun(VOLUME) is None)
