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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

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

** Changed in: nova
    Milestone: None => grizzly-3

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https://bugs.launchpad.net/bugs/1103324

Title:
  NoMoreFloatingIps with stack information responsed

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  Allocate a floating IP when no floating IPs available, although HTTP code is correct, 
  exception message with stack information is responsed which may be not friendly.

  {
      "itemNotFound": {
          "code": 404,
          "message": "NoMoreFloatingIps_Remote: Zero floating ips available.\nTraceback (most recent call last):\n\n  File \"path/nova/openstack/common/rpc/amqp.py\", line 275, in _process_data\n    rval = self.proxy.dispatch(ctxt, version, method, **args)\n\n  File \"path/nova/openstack/common/rpc/dispatcher.py\", line 145, in dispatch\n    return getattr(proxyobj, method)(ctxt, **kwargs)\n\n  File \"path/nova/network/manager.py\", line 279, in wrapped\n    return func(self, context, *args, **kwargs)\n\n  File \"path/nova/network/manager.py\", line 481, in allocate_floating_ip\n    QUOTAS.rollback(context, reservations)\n\n  File \"/usr/lib/python2.7/contextlib.py\", line 24, in __exit__\n    self.gen.next()\n\n  File \"path/nova/network/manager.py\", line 468, in allocate_floating_ip\n    pool)\n\n  File \"path/nova/db/api.py\", line 277, in floating_ip_allocate_address\n    return IMPL.floating_ip_allocate_address(context, project_id, pool)\n\n  File \"path/nova/db/sqlalchemy/api.py\", line 131, in wrapper\n    return f(*args, **kwargs)\n\n  File \"path/nova/db/sqlalchemy/api.py\", line 744, in floating_ip_allocate_address\n    raise exception.NoMoreFloatingIps()\n\nNoMoreFloatingIps: Zero floating ips available.\n"
      }
  }

  The problem also meet when FloatingIpLimitExceeded raised.

  {
      "overLimit": {
          "code": 413,
          "message": "FloatingIpLimitExceeded_Remote: Maximum number of floating ips exceeded\nTraceback (most recent call last):\n\n  File \"path/nova/openstack/common/rpc/amqp.py\", line 275, in _process_data\n    rval = self.proxy.dispatch(ctxt, version, method, **args)\n\n  File \"path/nova/openstack/common/rpc/dispatcher.py\", line 145, in dispatch\n    return getattr(proxyobj, method)(ctxt, **kwargs)\n\n  File \"path/nova/network/manager.py\", line 279, in wrapped\n    return func(self, context, *args, **kwargs)\n\n  File \"path/nova/network/manager.py\", line 463, in allocate_floating_ip\n    raise exception.FloatingIpLimitExceeded()\n\nFloatingIpLimitExceeded: Maximum number of floating ips exceeded\n",
          "retryAfter": 0
      }
  }

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