Comment 0 for bug 1362985

One backend - generic driver.

Bug case:
1) Service m-shr is down, service m-api is up.
2) m-api receives request to create share with share-network that "has not" server.
3) m-shr starts and outputs:

2014-08-29 04:37:47.405 ERROR oslo.messaging.rpc.dispatcher [req-2b7e770d-727b-40ba-a20d-088742788198 7fd80a12ed7e4f62ae59fc68f93d7963 8fec1ddd5dd54f339f50b9695335002d] Exception during message handling: 'GenericShareDriver' objec
t has no attribute 'service_instance_manager'
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 134, in _dispatch_and_reply
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher incoming.message))
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 177, in _dispatch
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher return self._do_dispatch(endpoint, method, ctxt, args)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 123, in _do_dispatch
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher result = getattr(endpoint, method)(ctxt, **new_args)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/manager.py", line 203, in create_share
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher {'status': 'error'})
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/openstack/common/excutils.py", line 82, in __exit__
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/manager.py", line 197, in create_share
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher context, share_network_id, share_id)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/manager.py", line 154, in _provide_share_server_for_share
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher return _provide_share_server_for_share()
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/openstack/common/lockutils.py", line 325, in inner
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher return f(*args, **kwargs)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/manager.py", line 147, in _provide_share_server_for_share
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher share_server = self._setup_server(context, share_server)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/manager.py", line 423, in _setup_server
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher self.network_api.deallocate_network(context, share_network)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/openstack/common/excutils.py", line 82, in __exit__
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/manager.py", line 411, in _setup_server
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher metadata=metadata)
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher File "/opt/stack/manila/manila/share/drivers/generic.py", line 565, in setup_server
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher server = self.service_instance_manager.set_up_service_instance(
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher AttributeError: 'GenericShareDriver' object has no attribute 'service_instance_manager'
2014-08-29 04:37:47.405 TRACE oslo.messaging.rpc.dispatcher
2014-08-29 04:37:47.413 INFO oslo.messaging._drivers.impl_rabbit [req-2b7e770d-727b-40ba-a20d-088742788198 7fd80a12ed7e4f62ae59fc68f93d7963 8fec1ddd5dd54f339f50b9695335002d] Connecting to AMQP server on 172.18.198.52:5672
2014-08-29 04:37:47.422 INFO oslo.messaging._drivers.impl_rabbit [req-2b7e770d-727b-40ba-a20d-088742788198 7fd80a12ed7e4f62ae59fc68f93d7963 8fec1ddd5dd54f339f50b9695335002d] Connected to AMQP server on 172.18.198.52:5672
2014-08-29 04:37:47.423 ERROR oslo.messaging._drivers.common [req-2b7e770d-727b-40ba-a20d-088742788198 7fd80a12ed7e4f62ae59fc68f93d7963 8fec1ddd5dd54f339f50b9695335002d] Returning exception 'GenericShareDriver' object has no attribute 'service_instance_manager' to caller

Another case:

1) Service m-shr is down, service m-api is up.
2) m-api receives request to create share with share-network that "has" server.
3) m-shr starts and outputs:

2014-08-29 04:42:13.379 ERROR manila.service [req-46e99303-ab4f-4e0d-82e4-8a85d66f326a None None] Unhandled exception
2014-08-29 04:42:13.379 TRACE manila.service Traceback (most recent call last):
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/service.py", line 225, in _start_child
2014-08-29 04:42:13.379 TRACE manila.service self._child_process(wrap.server)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/service.py", line 202, in _child_process
2014-08-29 04:42:13.379 TRACE manila.service launcher.run_server(server)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/service.py", line 93, in run_server
2014-08-29 04:42:13.379 TRACE manila.service server.start()
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/service.py", line 374, in start
2014-08-29 04:42:13.379 TRACE manila.service self.manager.init_host()
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/share/manager.py", line 85, in init_host
2014-08-29 04:42:13.379 TRACE manila.service share_server=share_server)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/share/drivers/generic.py", line 93, in wrap
2014-08-29 04:42:13.379 TRACE manila.service context, server['backend_details']):
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/share/drivers/service_instance.py", line 256, in ensure_service_instance
2014-08-29 04:42:13.379 TRACE manila.service server['instance_id'])
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/compute/nova.py", line 144, in wrapper
2014-08-29 04:42:13.379 TRACE manila.service res = method(self, ctx, instance_id, *args, **kwargs)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/manila/manila/compute/nova.py", line 181, in server_get
2014-08-29 04:42:13.379 TRACE manila.service novaclient(context).servers.get(instance_id)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/python-novaclient/novaclient/v1_1/servers.py", line 554, in get
2014-08-29 04:42:13.379 TRACE manila.service return self._get("/servers/%s" % base.getid(server), "server")
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/python-novaclient/novaclient/base.py", line 93, in _get
2014-08-29 04:42:13.379 TRACE manila.service _resp, body = self.api.client.get(url)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/python-novaclient/novaclient/client.py", line 487, in get
2014-08-29 04:42:13.379 TRACE manila.service return self._cs_request(url, 'GET', **kwargs)
2014-08-29 04:42:13.379 TRACE manila.service File "/opt/stack/python-novaclient/novaclient/client.py", line 479, in _cs_request
2014-08-29 04:42:13.379 TRACE manila.service raise e
2014-08-29 04:42:13.379 TRACE manila.service Unauthorized: Unauthorized (HTTP 401) (Request-ID: req-70a2d5b0-9078-4108-97ff-df811a37dc81)
2014-08-29 04:42:13.379 TRACE manila.service

So, if share was scheduled with any share-network it won't be created in any case.