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[YAMAMOTO Takashi <yamamoto@xxxxxxxxxxxx>]

** Summary changed:

- ml2: missing subnet
+ ml2 subnet context's network is missing provider attributes

** Also affects: neutron
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1644486

Title:
  ml2 subnet context's network is missing provider attributes

Status in networking-midonet:
  In Progress
Status in neutron:
  In Progress

Bug description:
  eg.

  http://logs.openstack.org/62/398562/8/check/gate-tempest-dsvm-
  networking-midonet-ml2-ubuntu-xenial/53547aa/logs/devstacklog.txt.gz

  2016-11-24 08:54:54.010 | + lib/neutron_plugins/services/l3:_neutron_configure_router_v4:340 :   openstack --os-cloud devstack-admin --os-region RegionOne router add subnet b8da6176-8d34-44d8-8fb5-ec9f170ae238 128cf7d1-ebf1-4f3c-8b87-b41b3d705718
  2016-11-24 08:54:57.002 | NotFoundException: Not Found

  
  for some reason midonet ml2 driver doesn't process create_subnet.

  http://logs.openstack.org/62/398562/8/check/gate-tempest-dsvm-
  networking-midonet-ml2-ubuntu-
  xenial/53547aa/logs/q-svc.txt.gz#_2016-11-24_08_54_46_821

  2016-11-24 08:54:46.821 28248 DEBUG neutron.api.v2.base [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Request body: {u'subnet': {u'name': u'private-subnet', u'network_id': u'563d7827-83d9-46f6-8a06-2a044009ef52', u'tenant_id': u'2c88bcabe4694139a18650fab5c28e1f', u'gateway_ip': u'10.1.0.1', u'ip_version': 4, u'subnetpool_id': u'00a09b1b-3426-41fb-aaaa-ff1766ec1811'}} prepare_request_body /opt/stack/new/neutron/neutron/api/v2/base.py:692
  2016-11-24 08:54:46.825 28248 DEBUG neutron.db.quota.driver [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Resources endpoint_group,ikepolicy,ipsecpolicy,ipsec_site_connection,subnetpool,vpnservice have unlimited quota limit. It is not required to calculate headroom  make_reservation /opt/stack/new/neutron/neutron/db/quota/driver.py:190
  2016-11-24 08:54:46.829 28248 DEBUG neutron.quota.resource [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Usage tracker for resource:subnet and tenant:2c88bcabe4694139a18650fab5c28e1f is out of sync, need to count used quota count /opt/stack/new/neutron/neutron/quota/resource.py:270
  2016-11-24 08:54:46.835 28248 DEBUG neutron.quota.resource [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Quota usage for subnet was recalculated. Used quota:0. count /opt/stack/new/neutron/neutron/quota/resource.py:289
  2016-11-24 08:54:46.837 28248 DEBUG neutron.db.quota.driver [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Attempting to reserve 1 items for resource subnet. Total usage: 0; quota limit: 100; headroom:100 make_reservation /opt/stack/new/neutron/neutron/db/quota/driver.py:222
  2016-11-24 08:54:47.033 28248 DEBUG neutron.ipam.driver [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Loading ipam driver: internal get_instance /opt/stack/new/neutron/neutron/ipam/driver.py:51
  2016-11-24 08:54:47.110 28248 DEBUG neutron.callbacks.manager [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Notify callbacks [('neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.DhcpAgentNotifyAPI._native_event_send_dhcp_notification--9223372036853078740', <bound method DhcpAgentNotifyAPI._native_event_send_dhcp_notification of <neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.DhcpAgentNotifyAPI object at 0x7f70a0eb7150>>)] for subnet, after_create _notify_loop /opt/stack/new/neutron/neutron/callbacks/manager.py:142
  2016-11-24 08:54:47.164 28248 WARNING neutron.scheduler.dhcp_agent_scheduler [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] No more DHCP agents
  2016-11-24 08:54:47.165 28248 WARNING neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Unable to schedule network 563d7827-83d9-46f6-8a06-2a044009ef52: no agents available; will retry on subsequent port and subnet creation events.
  2016-11-24 08:54:47.165 28248 DEBUG neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Network 563d7827-83d9-46f6-8a06-2a044009ef52 is not hosted by any dhcp agent _notify_agents /opt/stack/new/neutron/neutron/api/rpc/agentnotifiers/dhcp_rpc_agent_api.py:185
  2016-11-24 08:54:47.172 28248 DEBUG neutron.quota.resource [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Persisted dirty status for tenant:2c88bcabe4694139a18650fab5c28e1f on resource:subnet mark_dirty /opt/stack/new/neutron/neutron/quota/resource.py:193
  2016-11-24 08:54:47.173 28248 DEBUG neutron.callbacks.manager [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] Notify callbacks [('neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.DhcpAgentNotifyAPI._send_dhcp_notification-1697108', <bound method DhcpAgentNotifyAPI._send_dhcp_notification of <neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.DhcpAgentNotifyAPI object at 0x7f70a0eb7150>>)] for subnet, before_response _notify_loop /opt/stack/new/neutron/neutron/callbacks/manager.py:142
  2016-11-24 08:54:47.174 28248 INFO neutron.wsgi [req-e4e28867-560b-4362-adca-d633bdce7af9 admin -] 127.0.0.1 - - [24/Nov/2016 08:54:47] "POST /v2.0/subnets HTTP/1.1" 201 879 0.361234

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