def ControllerPublishVolume(self, request, context):
vol, node = self._get_vol_node(request, context)
# The volume is already attached
if vol.status == 'in-use':
for conn in vol.connections:
# TODO(geguileo): Change when we enable multi-attach
if conn.attached_host != request.node_id:
context.abort(grpc.StatusCode.FAILED_PRECONDITION,
'Volume published to another node')
mode = request.volume_capability.access_mode.mode
if ((not request.readonly and
mode == types.AccessModeType.SINGLE_NODE_READER_ONLY) or
(request.readonly and
mode == types.AccessModeType.SINGLE_NODE_WRITER)): # noqa
context.abort(grpc.StatusCode.ALREADY_EXISTS,
'Readonly incompatible with volume capability')
conn = vol.connections[0]
else:
conn = vol.connect(node.connector_dict, attached_host=node.id)
publish_info = {'connection_info': json.dumps(conn.connection_info)}
return types.CtrlPublishResp(publish_info=publish_info)
def ControllerPublishVolume(self, request, context):
vol, node = self._get_vol_node(request, context)
# The volume is already attached
if vol.status == 'in-use':
for conn in vol.connections:
# TODO(geguileo): Change when we enable multi-attach
if conn.attached_host != request.node_id:
context.abort(grpc.StatusCode.FAILED_PRECONDITION,
'Volume published to another node')
# TODO(geguileo): Check capabilities and readonly compatibility
# and raise ALREADY_EXISTS if not compatible
conn = vol.connections[0]
else:
conn = vol.connect(node.connector_dict, attached_host=node.id)
publish_info = {'connection_info': json.dumps(conn.connection_info)}
return types.CtrlPublishResp(publish_info=publish_info)