Merge "Improve the CIDRs overlap check method for router add interface" into stable/stein
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commit
5be13387d1
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@ -488,8 +488,7 @@ class L3_NAT_dbonly_mixin(l3.RouterPluginBase,
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self._check_for_dup_router_subnets(context, router,
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new_network_id,
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subnets,
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include_gateway=True)
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subnets)
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self._create_router_gw_port(context, router,
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new_network_id, ext_ips)
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@ -613,8 +612,7 @@ class L3_NAT_dbonly_mixin(l3.RouterPluginBase,
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filters=filters)
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def _check_for_dup_router_subnets(self, context, router,
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network_id, new_subnets,
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include_gateway=False):
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network_id, new_subnets):
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# It's possible these ports are on the same network, but
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# different subnets.
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new_subnet_ids = {s['id'] for s in new_subnets}
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@ -625,8 +623,13 @@ class L3_NAT_dbonly_mixin(l3.RouterPluginBase,
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msg = (_("Router already has a port on subnet %s")
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% ip['subnet_id'])
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raise n_exc.BadRequest(resource='router', msg=msg)
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gw_owner = (p.get('device_owner') == DEVICE_OWNER_ROUTER_GW)
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if include_gateway == gw_owner:
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if p.get('device_owner') == DEVICE_OWNER_ROUTER_GW:
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ext_subts = self._core_plugin.get_subnets(
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context.elevated(),
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filters={'network_id': p['network_id']})
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for sub in ext_subts:
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router_subnets.append(sub['id'])
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else:
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router_subnets.append(ip['subnet_id'])
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# Ignore temporary Prefix Delegation CIDRs
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@ -1753,18 +1753,61 @@ class L3NatTestCaseBase(L3NatTestCaseMixin):
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HTTPBadRequest.code)
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def test_router_add_interface_cidr_overlapped_with_gateway(self):
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with self.router() as r:
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with self.router() as r, self.network() as ext_net:
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with self.subnet(cidr='10.0.1.0/24') as s1, self.subnet(
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cidr='10.0.0.0/16') as s2:
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self._set_net_external(s2['subnet']['network_id'])
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network=ext_net, cidr='10.0.0.0/16') as s2:
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ext_net_id = ext_net['network']['id']
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self._set_net_external(ext_net_id)
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self._add_external_gateway_to_router(
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r['router']['id'],
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s2['subnet']['network_id'])
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res = self._router_interface_action('add',
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r['router']['id'],
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s1['subnet']['id'],
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None)
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self.assertIn('port_id', res)
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r['router']['id'], ext_net_id)
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res = self._router_interface_action(
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'add', r['router']['id'], s1['subnet']['id'], None,
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expected_code=exc.HTTPBadRequest.code)
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expected_msg = ("Bad router request: Cidr 10.0.1.0/24 of "
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"subnet %(internal_subnet_id)s overlaps with "
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"cidr 10.0.0.0/16 of subnet "
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"%(external_subnet_id)s.") % {
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"external_subnet_id": s2['subnet']['id'],
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"internal_subnet_id": s1['subnet']['id']}
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self.assertEqual(expected_msg, res['NeutronError']['message'])
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# External network have multiple subnets.
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with self.subnet(network=ext_net,
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cidr='192.168.1.0/24') as s3, \
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self.subnet(cidr='192.168.1.0/24') as s4:
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res = self._router_interface_action(
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'add', r['router']['id'], s4['subnet']['id'], None,
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expected_code=exc.HTTPBadRequest.code)
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expected_msg = (
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"Bad router request: Cidr 192.168.1.0/24 of subnet "
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"%(internal_subnet_id)s overlaps with cidr "
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"192.168.1.0/24 of subnet %(external_subnet_id)s.") % {
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"external_subnet_id": s3['subnet']['id'],
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"internal_subnet_id": s4['subnet']['id']}
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self.assertEqual(expected_msg,
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res['NeutronError']['message'])
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def test_router_set_gateway_cidr_overlapped_with_subnets(self):
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with self.router() as r, self.network() as ext_net:
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with self.subnet(network=ext_net, cidr='10.0.1.0/24') as s1, \
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self.subnet(network=ext_net, cidr='10.0.2.0/24') as s2, \
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self.subnet(cidr='10.0.2.0/24') as s3:
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ext_net_id = ext_net['network']['id']
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self._set_net_external(ext_net_id)
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self._router_interface_action(
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'add', r['router']['id'],
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s3['subnet']['id'], None)
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res = self._add_external_gateway_to_router(
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r['router']['id'], ext_net_id,
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ext_ips=[{'subnet_id': s1['subnet']['id']}],
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expected_code=exc.HTTPBadRequest.code)
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expected_msg = (
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"Bad router request: Cidr 10.0.2.0/24 of subnet "
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"%(external_subnet_id)s overlaps with cidr 10.0.2.0/24 of "
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"subnet %(internal_subnet_id)s.") % {
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"external_subnet_id": s2["subnet"]["id"],
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"internal_subnet_id": s3["subnet"]["id"]}
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self.assertEqual(expected_msg, res['NeutronError']['message'])
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def test_router_add_interface_by_port_cidr_overlapped_with_gateway(self):
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with self.router() as r:
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@ -1776,11 +1819,17 @@ class L3NatTestCaseBase(L3NatTestCaseMixin):
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r['router']['id'],
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s2['subnet']['network_id'])
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res = self._router_interface_action('add',
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r['router']['id'],
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None,
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p['port']['id'])
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self.assertIn('port_id', res)
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res = self._router_interface_action(
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'add', r['router']['id'], None, p['port']['id'],
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expected_code=exc.HTTPBadRequest.code)
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expected_msg = (
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"Bad router request: Cidr 10.0.1.0/24 of subnet "
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"%(internal_subnet_id)s overlaps with cidr "
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"10.0.0.0/16 of subnet %(external_subnet_id)s.") % {
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"external_subnet_id": s2['subnet']['id'],
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"internal_subnet_id": s1['subnet']['id']}
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self.assertEqual(expected_msg,
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res['NeutronError']['message'])
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def test_router_add_gateway_dup_subnet1_returns_400(self):
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with self.router() as r:
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