Allow rpc-silent FloatingIP exceptions in n-net

This patch uses the new client_exceptions functionality to squelch
some errant exception dumps in the RPC layer.

Fixes bug 1084707

Change-Id: I31a783a67d7722751fcfeafab40e781dc762dd65

nova/network/manager.py

@@ -68,6 +68,7 @@
 from nova.openstack.common import lockutils
 from nova.openstack.common import log as logging
 from nova.openstack.common.notifier import api as notifier
+from nova.openstack.common.rpc import common as rpc_common
 from nova.openstack.common import timeutils
 from nova.openstack.common import uuidutils
 import nova.policy
@@ -459,6 +460,7 @@ def allocate_floating_ip(self, context, project_id, auto_assigned=False,
 
         return floating_ip
 
+    @rpc_common.client_exceptions(exception.FloatingIpNotFoundForAddress)
     @wrap_check_policy
     def deallocate_floating_ip(self, context, address,
                                affect_auto_assigned=False):
@@ -505,6 +507,7 @@ def deallocate_floating_ip(self, context, address,
         if reservations:
             QUOTAS.commit(context, reservations)
 
+    @rpc_common.client_exceptions(exception.FloatingIpNotFoundForAddress)
     @wrap_check_policy
     def associate_floating_ip(self, context, floating_address, fixed_address,
                               affect_auto_assigned=False):
@@ -584,6 +587,7 @@ def _associate_floating_ip(self, context, floating_address, fixed_address,
                         'network.floating_ip.associate',
                         notifier.INFO, payload=payload)
 
+    @rpc_common.client_exceptions(exception.FloatingIpNotFoundForAddress)
     @wrap_check_policy
     def disassociate_floating_ip(self, context, address,
                                  affect_auto_assigned=False):
@@ -654,6 +658,7 @@ def _disassociate_floating_ip(self, context, address, interface,
                         'network.floating_ip.disassociate',
                         notifier.INFO, payload=payload)
 
+    @rpc_common.client_exceptions(exception.FloatingIpNotFound)
     @wrap_check_policy
     def get_floating_ip(self, context, id):
         """Returns a floating IP as a dict"""

nova/tests/network/test_manager.py

@@ -30,6 +30,7 @@
 from nova.openstack.common import importutils
 from nova.openstack.common import log as logging
 from nova.openstack.common import rpc
+from nova.openstack.common.rpc import common as rpc_common
 import nova.policy
 from nova import test
 from nova.tests import fake_ldap
@@ -1929,6 +1930,49 @@ def fake_vif_save(vif):
         self.network.add_virtual_interface(ctxt, 'fake_uuid', 'fake_net')
         self.assertEqual(macs, [])
 
+    def test_deallocate_client_exceptions(self):
+        """Ensure that FloatingIpNotFoundForAddress is wrapped"""
+        self.mox.StubOutWithMock(self.network.db, 'floating_ip_get_by_address')
+        self.network.db.floating_ip_get_by_address(
+            self.context, '1.2.3.4').AndRaise(
+                exception.FloatingIpNotFoundForAddress)
+        self.mox.ReplayAll()
+        self.assertRaises(rpc_common.ClientException,
+                          self.network.deallocate_floating_ip,
+                          self.context, '1.2.3.4')
+
+    def test_associate_client_exceptions(self):
+        """Ensure that FloatingIpNotFoundForAddress is wrapped"""
+        self.mox.StubOutWithMock(self.network.db, 'floating_ip_get_by_address')
+        self.network.db.floating_ip_get_by_address(
+            self.context, '1.2.3.4').AndRaise(
+                exception.FloatingIpNotFoundForAddress)
+        self.mox.ReplayAll()
+        self.assertRaises(rpc_common.ClientException,
+                          self.network.associate_floating_ip,
+                          self.context, '1.2.3.4', '10.0.0.1')
+
+    def test_disassociate_client_exceptions(self):
+        """Ensure that FloatingIpNotFoundForAddress is wrapped"""
+        self.mox.StubOutWithMock(self.network.db, 'floating_ip_get_by_address')
+        self.network.db.floating_ip_get_by_address(
+            self.context, '1.2.3.4').AndRaise(
+                exception.FloatingIpNotFoundForAddress)
+        self.mox.ReplayAll()
+        self.assertRaises(rpc_common.ClientException,
+                          self.network.disassociate_floating_ip,
+                          self.context, '1.2.3.4')
+
+    def test_get_floating_ip_client_exceptions(self):
+        """Ensure that FloatingIpNotFoundForAddress is wrapped"""
+        self.mox.StubOutWithMock(self.network.db, 'floating_ip_get')
+        self.network.db.floating_ip_get(self.context, 'fake-id').AndRaise(
+            exception.FloatingIpNotFound)
+        self.mox.ReplayAll()
+        self.assertRaises(rpc_common.ClientException,
+                          self.network.get_floating_ip,
+                          self.context, 'fake-id')
+
 
 class NetworkPolicyTestCase(test.TestCase):
     def setUp(self):