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[Joe Gordon <1233807@xxxxxxxxxxxxxxxxxx>]

** Changed in: nova
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/1233807

Title:
  nova-api  EC2 API is making synchronous calls to conductor

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  It looks like nova-api is calling aggregate_metadata_get_by_host via
  conductor.

  nova-api has access to to the DB so no reason to use conductor

  From devstack:

  2013-10-01 16:57:35.856 DEBUG nova.api.ec2 [req-9e08da97-2f00-4d0f-b645-e638009df417 demo demo] arg: InstanceId.1		val: i-00000014 __call__ /opt/stack/new/nova/nova/api/ec2/__init__.py:328
  2013-10-01 16:57:35.917 DEBUG nova.openstack.common.rpc.amqp [req-6dfd54f4-ffac-425f-9aa9-deb5666616cb None None] Making synchronous call on conductor ... multicall /opt/stack/new/nova/nova/openstack/common/rpc/amqp.py:553
  2013-10-01 16:57:35.918 DEBUG nova.openstack.common.rpc.amqp [req-6dfd54f4-ffac-425f-9aa9-deb5666616cb None None] MSG_ID is a119b074c3594ea79a2c51f9aa7103e3 multicall /opt/stack/new/nova/nova/openstack/common/rpc/amqp.py:556
  2013-10-01 16:57:35.918 DEBUG nova.openstack.common.rpc.amqp [req-6dfd54f4-ffac-425f-9aa9-deb5666616cb None None] UNIQUE_ID is 87bd8d5b142949989a9aa7f3ddf0d60d. _add_unique_id /opt/stack/new/nova/nova/openstack/common/rpc/amqp.py:341
  2013-10-01 16:57:35.920 1344 DEBUG amqp [-] Closed channel #1 _do_close /usr/local/lib/python2.7/dist-packages/amqp/channel.py:88

  http://logs.openstack.org/98/49198/1/check/check-tempest-devstack-vm-
  neutron/e3cd6d8/logs/screen-n-api.txt.gz#_2013-10-01_16_57_35_917

  
  2013-10-01 16:57:35.920 2453 DEBUG nova.openstack.common.rpc.amqp [-] received {u'_msg_id': u'a119b074c3594ea79a2c51f9aa7103e3', u'_context_quota_class': None, u'_context_request_id': u'req-00b30081-1bfa-4ebc-ac6e-6883dc353d61', u'_context_service_catalog': [], u'_context_auth_token': '<SANITIZED>', u'_context_user_id': None, u'_reply_q': u'reply_8c54921e1e344d4e8a738ea13a2006ae', u'namespace': None, u'_context_is_admin': True, u'version': u'1.42', u'_context_timestamp': u'2013-10-01T16:57:35.917069', u'_context_user': None, u'method': u'aggregate_metadata_get_by_host', u'_context_remote_address': None, u'_context_roles': [], u'args': {u'host': u'devstack-precise-check-rax-ord-434176.slave.openstack.org', u'key': u'availability_zone'}, u'_unique_id': u'87bd8d5b142949989a9aa7f3ddf0d60d', u'_context_project_name': None, u'_context_read_deleted': u'no', u'_context_tenant': None, u'_context_instance_lock_checked': False, u'_context_project_id': None, u'_context_user_name': None} _safe_log /opt/stack/new/nova/nova/openstack/common/rpc/common.py:277
  2013-10-01 16:57:35.921 2453 DEBUG nova.openstack.common.rpc.amqp [-] unpacked context: {'tenant': None, 'project_name': None, 'user_id': None, 'roles': [], 'timestamp': u'2013-10-01T16:57:35.917069', 'auth_token': '<SANITIZED>', 'remote_address': None, 'quota_class': None, 'is_admin': True, 'user': None, 'service_catalog': [], 'request_id': u'req-00b30081-1bfa-4ebc-ac6e-6883dc353d61', 'instance_lock_checked': False, 'project_id': None, 'user_name': None, 'read_deleted': u'no'} _safe_log /opt/stack/new/nova/nova/openstack/common/rpc/common.py:277
  2013-10-01 16:57:35.926 DEBUG nova.openstack.common.rpc.amqp [req-00b30081-1bfa-4ebc-ac6e-6883dc353d61 None None] UNIQUE_ID is c08fca49e0194795809267ae6aad40ee. _add_unique_id /opt/stack/new/nova/nova/openstack/common/rpc/amqp.py:341

  
  http://logs.openstack.org/98/49198/1/check/check-tempest-devstack-vm-neutron/e3cd6d8/logs/screen-n-cond.txt.gz#_2013-10-01_16_57_35_920

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