Merge "fullstack: test for IPv6 north-south traffic"
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commit
640fd9d2fd
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@ -100,10 +100,11 @@ class FakeMachineBase(fixtures.Fixture):
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class FakeMachine(FakeMachineBase):
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class FakeMachine(FakeMachineBase):
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def __init__(self, bridge, ip_cidr, gateway_ip=None):
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def __init__(self, bridge, ip_cidr, gateway_ip=None, ipv6_cidr=None):
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super(FakeMachine, self).__init__()
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super(FakeMachine, self).__init__()
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self.bridge = bridge
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self.bridge = bridge
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self._ip_cidr = ip_cidr
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self._ip_cidr = ip_cidr
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self._ipv6_cidr = ipv6_cidr
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self.gateway_ip = gateway_ip
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self.gateway_ip = gateway_ip
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def _setUp(self):
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def _setUp(self):
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@ -130,6 +131,21 @@ class FakeMachine(FakeMachineBase):
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self.port.addr.delete(self._ip_cidr)
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self.port.addr.delete(self._ip_cidr)
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self._ip_cidr = ip_cidr
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self._ip_cidr = ip_cidr
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@property
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def ipv6(self):
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return self._ipv6_cidr.partition('/')[0]
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@property
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def ipv6_cidr(self):
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return self._ipv6_cidr
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@ipv6_cidr.setter
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def ipv6_cidr(self, ipv6_cidr):
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if self._ipv6_cidr:
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self.port.addr.delete(self._ipv6_cidr)
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self.port.addr.add(ipv6_cidr)
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self._ipv6_cidr = ipv6_cidr
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@FakeMachineBase.mac_address.setter
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@FakeMachineBase.mac_address.setter
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def mac_address(self, mac_address):
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def mac_address(self, mac_address):
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self.port.link.set_down()
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self.port.link.set_down()
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@ -98,14 +98,15 @@ class FakeFullstackMachine(machine_fixtures.FakeMachineBase):
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return new_bridge
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return new_bridge
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def _configure_ipaddress(self, fixed_ip):
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def _configure_ipaddress(self, fixed_ip):
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subnet_id = fixed_ip['subnet_id']
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subnet = self.safe_client.client.show_subnet(subnet_id)
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if (netaddr.IPAddress(fixed_ip['ip_address']).version ==
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if (netaddr.IPAddress(fixed_ip['ip_address']).version ==
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constants.IP_VERSION_6):
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constants.IP_VERSION_6):
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# v6Address/default_route is auto-configured.
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# v6Address/default_route is auto-configured.
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self._ipv6 = fixed_ip['ip_address']
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self._ipv6 = fixed_ip['ip_address']
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self.gateway_ipv6 = subnet['subnet']['gateway_ip']
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else:
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else:
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self._ip = fixed_ip['ip_address']
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self._ip = fixed_ip['ip_address']
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subnet_id = fixed_ip['subnet_id']
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subnet = self.safe_client.client.show_subnet(subnet_id)
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prefixlen = netaddr.IPNetwork(subnet['subnet']['cidr']).prefixlen
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prefixlen = netaddr.IPNetwork(subnet['subnet']['cidr']).prefixlen
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self._ip_cidr = '%s/%s' % (self._ip, prefixlen)
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self._ip_cidr = '%s/%s' % (self._ip, prefixlen)
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@ -120,23 +120,45 @@ class TestLegacyL3Agent(TestL3Agent):
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# Verify ping6 from vm2 to vm1 IPv6 Address
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# Verify ping6 from vm2 to vm1 IPv6 Address
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vm2.block_until_ping(vm1.ipv6)
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vm2.block_until_ping(vm1.ipv6)
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def test_snat_and_floatingip(self):
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def test_north_south_traffic(self):
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# This function creates external network and boots an extrenal vm
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# This function creates an external network which is connected to
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# on it with gateway ip and connected to central_external_bridge.
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# central_external_bridge and spawns an external_vm on it.
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# Later it creates a tenant vm on tenant network, with tenant router
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# The external_vm is configured with the gateway_ip (both v4 & v6
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# connected to tenant network and external network.
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# addresses) of external subnet. Later, it creates a tenant router,
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# To test snat and floatingip, try ping between tenant and external vms
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# a tenant network and two tenant subnets (v4 and v6). The tenant
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# router is associated with tenant network and external network to
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# provide north-south connectivity to the VMs.
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# We validate the following in this testcase.
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# 1. SNAT support: using ping from tenant VM to external_vm
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# 2. Floating IP support: using ping from external_vm to VM floating ip
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# 3. IPv6 ext connectivity: using ping6 from tenant vm to external_vm.
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tenant_id = uuidutils.generate_uuid()
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tenant_id = uuidutils.generate_uuid()
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ext_net, ext_sub = self._create_external_network_and_subnet(tenant_id)
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ext_net, ext_sub = self._create_external_network_and_subnet(tenant_id)
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external_vm = self.useFixture(
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external_vm = self.useFixture(
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machine_fixtures.FakeMachine(
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machine_fixtures.FakeMachine(
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self.environment.central_external_bridge,
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self.environment.central_external_bridge,
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common_utils.ip_to_cidr(ext_sub['gateway_ip'], 24)))
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common_utils.ip_to_cidr(ext_sub['gateway_ip'], 24)))
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# Create an IPv6 subnet in the external network
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v6network = self.useFixture(
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ip_network.ExclusiveIPNetwork(
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"2001:db8:1234::1", "2001:db8:1234::10", "64")).network
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ext_v6sub = self.safe_client.create_subnet(
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tenant_id, ext_net['id'], v6network)
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router = self.safe_client.create_router(tenant_id,
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router = self.safe_client.create_router(tenant_id,
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external_network=ext_net['id'])
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external_network=ext_net['id'])
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# Configure the gateway_ip of external v6subnet on the external_vm.
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external_vm.ipv6_cidr = common_utils.ip_to_cidr(
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ext_v6sub['gateway_ip'], 64)
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# Configure an IPv6 downstream route to the v6Address of router gw port
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for fixed_ip in router['external_gateway_info']['external_fixed_ips']:
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if netaddr.IPNetwork(fixed_ip['ip_address']).version == 6:
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external_vm.set_default_gateway(fixed_ip['ip_address'])
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vm = self._create_net_subnet_and_vm(
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vm = self._create_net_subnet_and_vm(
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tenant_id, ['20.0.0.0/24'],
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tenant_id, ['20.0.0.0/24', '2001:db8:aaaa::/64'],
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self.environment.hosts[1], router)
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self.environment.hosts[1], router)
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# ping external vm to test snat
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# ping external vm to test snat
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@ -148,6 +170,11 @@ class TestLegacyL3Agent(TestL3Agent):
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# ping floating ip from external vm
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# ping floating ip from external vm
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external_vm.block_until_ping(fip['floating_ip_address'])
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external_vm.block_until_ping(fip['floating_ip_address'])
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# Verify VM is able to reach the router interface.
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vm.block_until_ping(vm.gateway_ipv6)
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# Verify north-south connectivity using ping6 to external_vm.
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vm.block_until_ping(external_vm.ipv6)
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class TestHAL3Agent(base.BaseFullStackTestCase):
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class TestHAL3Agent(base.BaseFullStackTestCase):
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