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[Bug 1301373] Re: nova net-delete of associated network is not informative enough

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** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-2

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https://bugs.launchpad.net/bugs/1301373

Title:
  nova net-delete of associated network is not informative enough

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  I have an associated VLANed network:

  [root@jhenner-node-permanent ~(keystone_admin)]# nova-manage network list 
  id   	IPv4              	IPv6           	start address  	DNS1           	DNS2           	VlanID         	project        	uuid           
  2    	192.168.32.0/24   	None           	192.168.32.3   	8.8.4.4        	None           	100            	de45db6defb34a5aa72ac5baaca7a1b5	7350769

  When I try to delete:

  [root@jhenner-node-permanent ~(keystone_admin)]# nova net-delete 7350769a-dc2c-4d37-9bd2-8d9ee57eef45
  ERROR: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-e8e1f477-4313-4a0a-8017-89a349e04fa7)

  The message is not informative enough.

  
  There is a TB in log:

  ^[[A2014-04-02 13:08:05.338 30680 INFO nova.osapi_compute.wsgi.server
  [-] (30680) accepted ('172.16.0.12', 45680)

  2014-04-02 13:08:05.360 30680 INFO
  nova.api.openstack.compute.contrib.os_tenant_networks [req-840d5d4a-
  417e-472e-b32b-ce4be2c4f9e6 admin admin] Deleting network with id
  7350769a-dc2c-4d37-9bd2-8d9ee57eef45

  ==> /var/log/nova/network.log <==
  2014-04-02 13:08:05.371 304 ERROR nova.openstack.common.rpc.amqp [req-840d5d4a-417e-472e-b32b-ce4be2c4f9e6 admin admin] Exception during message handling
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp     **args)
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp     result = getattr(proxyobj, method)(ctxt, **kwargs)
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 1234, in delete_network
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp     ' before delete') % network['project_id'])
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp ValueError: Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete
  2014-04-02 13:08:05.371 304 TRACE nova.openstack.common.rpc.amqp 
  2014-04-02 13:08:05.373 304 ERROR nova.openstack.common.rpc.common [req-840d5d4a-417e-472e-b32b-ce4be2c4f9e6 admin admin] Returning exception Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete to caller
  2014-04-02 13:08:05.373 304 ERROR nova.openstack.common.rpc.common [req-840d5d4a-417e-472e-b32b-ce4be2c4f9e6 admin admin] ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data\n    **args)\n', '  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch\n    result = getattr(proxyobj, method)(ctxt, **kwargs)\n', '  File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 1234, in delete_network\n    \' before delete\') % network[\'project_id\'])\n', 'ValueError: Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete\n']

  ==> /var/log/nova/api.log <==
  2014-04-02 13:08:05.378 30680 ERROR nova.api.openstack [req-840d5d4a-417e-472e-b32b-ce4be2c4f9e6 admin admin] Caught error: Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete
  Traceback (most recent call last):

    File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
      **args)

    File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
      result = getattr(proxyobj, method)(ctxt, **kwargs)

    File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 1234, in delete_network
      ' before delete') % network['project_id'])

  ValueError: Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack Traceback (most recent call last):
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/__init__.py", line 119, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return req.get_response(self.application)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1296, in send
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     application, catch_exc_info=False)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/request.py", line 1260, in call_application
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     app_iter = application(self.environ, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 144, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return resp(environ, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/keystoneclient/middleware/auth_token.py", line 582, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return self.app(env, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 144, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return resp(environ, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 144, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return resp(environ, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/Routes-1.12.3-py2.6.egg/routes/middleware.py", line 131, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     response = self.app(environ, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 144, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return resp(environ, start_response)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 130, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     resp = self.call_func(req, *args, **self.kwargs)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.2.3-py2.6.egg/webob/dec.py", line 195, in call_func
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return self.func(req, *args, **kwargs)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 938, in __call__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     content_type, body, accept)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 997, in _process_stack
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     action_result = self.dispatch(meth, request, action_args)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 1078, in dispatch
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return method(req=request, **action_args)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/compute/contrib/os_tenant_networks.py", line 131, in delete
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     self.network_api.delete(context, id)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/network/api.py", line 94, in wrapped
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return func(self, context, *args, **kwargs)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/network/api.py", line 147, in delete
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return self.network_rpcapi.delete_network(context, network_uuid, None)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/network/rpcapi.py", line 106, in delete_network
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     uuid=uuid, fixed_range=fixed_range)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 85, in call
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return self._invoke(self.proxy.call, ctxt, method, **kwargs)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpcclient.py", line 63, in _invoke
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return cast_or_call(ctxt, msg, **self.kwargs)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/proxy.py", line 126, in call
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     result = rpc.call(context, real_topic, msg, timeout)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/__init__.py", line 139, in call
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     return _get_impl().call(CONF, context, topic, msg, timeout)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/impl_qpid.py", line 783, in call
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     rpc_amqp.get_connection_pool(conf, Connection))
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 574, in call
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     rv = list(rv)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 539, in __iter__
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     raise result
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack ValueError: Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack Traceback (most recent call last):
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack 
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 461, in _process_data
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     **args)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack 
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     result = getattr(proxyobj, method)(ctxt, **kwargs)
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack 
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/network/manager.py", line 1234, in delete_network
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack     ' before delete') % network['project_id'])
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack 
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack ValueError: Network must be disassociated from project de45db6defb34a5aa72ac5baaca7a1b5 before delete
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack 
  2014-04-02 13:08:05.378 30680 TRACE nova.api.openstack 
  2014-04-02 13:08:05.381 30680 INFO nova.api.openstack [req-840d5d4a-417e-472e-b32b-ce4be2c4f9e6 admin admin] http://172.16.0.12:8774/v2/79f0c946734148c6a6915375a88e9e92/os-tenant-networks/7350769a-dc2c-4d37-9bd2-8d9ee57eef45 returned with HTTP 500
  2014-04-02 13:08:05.382 30680 INFO nova.osapi_compute.wsgi.server [req-840d5d4a-417e-472e-b32b-ce4be2c4f9e6 admin admin] 172.16.0.12 "DELETE /v2/79f0c946734148c6a6915375a88e9e92/os-tenant-networks/7350769a-dc2c-4d37-9bd2-8d9ee57eef45 HTTP/1.1" status: 500 len: 335 time: 0.0395350

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