Add a test for network connectivity between two tenant networks
The VMs of same tenant on different tenant networks can communicate
each other if subnets are added to the same Router interfaces. Router
will connect tenant network subnets.
Change-Id: I0cf4ad51e5ad7703e1fd8c3f557ec81c81baa1c6
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index f29fecf..5c6150e 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -212,11 +212,15 @@
self.floating_ip_tuple = Floating_IP_tuple(
floating_ip, server)
- def _create_new_network(self):
+ def _create_new_network(self, create_gateway=False):
self.new_net = self._create_network(tenant_id=self.tenant_id)
- self.new_subnet = self._create_subnet(
- network=self.new_net,
- gateway_ip=None)
+ if create_gateway:
+ self.new_subnet = self._create_subnet(
+ network=self.new_net)
+ else:
+ self.new_subnet = self._create_subnet(
+ network=self.new_net,
+ gateway_ip=None)
def _hotplug_server(self):
old_floating_ip, server = self.floating_ip_tuple
@@ -276,7 +280,8 @@
ipatxt = ssh_client.get_ip_list()
return reg.findall(ipatxt)
- def _check_network_internal_connectivity(self, network):
+ def _check_network_internal_connectivity(self, network,
+ should_connect=True):
"""
via ssh check VM internal connectivity:
- ping internal gateway and DHCP port, implying in-tenant connectivity
@@ -290,7 +295,9 @@
network_id=network.id)
if p['device_owner'].startswith('network'))
- self._check_server_connectivity(floating_ip, internal_ips)
+ self._check_server_connectivity(floating_ip,
+ internal_ips,
+ should_connect)
def _check_network_external_connectivity(self):
"""
@@ -310,17 +317,22 @@
self._check_server_connectivity(self.floating_ip_tuple.floating_ip,
external_ips)
- def _check_server_connectivity(self, floating_ip, address_list):
+ def _check_server_connectivity(self, floating_ip, address_list,
+ should_connect=True):
ip_address = floating_ip.floating_ip_address
private_key = self._get_server_key(self.floating_ip_tuple.server)
ssh_source = self._ssh_to_server(ip_address, private_key)
for remote_ip in address_list:
+ if should_connect:
+ msg = "Timed out waiting for "
+ "%s to become reachable" % remote_ip
+ else:
+ msg = "ip address %s is reachable" % remote_ip
try:
- self.assertTrue(self._check_remote_connectivity(ssh_source,
- remote_ip),
- "Timed out waiting for %s to become "
- "reachable" % remote_ip)
+ self.assertTrue(self._check_remote_connectivity
+ (ssh_source, remote_ip, should_connect),
+ msg)
except Exception:
LOG.exception("Unable to access {dest} via ssh to "
"floating-ip {src}".format(dest=remote_ip,
@@ -379,6 +391,50 @@
msg="after re-associate "
"floating ip")
+ @test.idempotent_id('1546850e-fbaa-42f5-8b5f-03d8a6a95f15')
+ @test.attr(type='smoke')
+ @test.services('compute', 'network')
+ def test_connectivity_between_vms_on_different_networks(self):
+ """
+ For a freshly-booted VM with an IP address ("port") on a given
+ network:
+
+ - the Tempest host can ping the IP address.
+
+ - the Tempest host can ssh into the VM via the IP address and
+ successfully execute the following:
+
+ - ping an external IP address, implying external connectivity.
+
+ - ping an external hostname, implying that dns is correctly
+ configured.
+
+ - ping an internal IP address, implying connectivity to another
+ VM on the same network.
+
+ - Create another network on the same tenant with subnet, create
+ an VM on the new network.
+
+ - Ping the new VM from previous VM failed since the new network
+ was not attached to router yet.
+
+ - Attach the new network to the router, Ping the new VM from
+ previous VM succeed.
+
+ """
+ self._setup_network_and_servers()
+ self.check_public_network_connectivity(should_connect=True)
+ self._check_network_internal_connectivity(network=self.network)
+ self._check_network_external_connectivity()
+ self._create_new_network(create_gateway=True)
+ name = data_utils.rand_name('server-smoke')
+ self._create_server(name, self.new_net)
+ self._check_network_internal_connectivity(network=self.new_net,
+ should_connect=False)
+ self.new_subnet.add_to_router(self.router.id)
+ self._check_network_internal_connectivity(network=self.new_net,
+ should_connect=True)
+
@test.idempotent_id('c5adff73-e961-41f1-b4a9-343614f18cfa')
@testtools.skipUnless(CONF.compute_feature_enabled.interface_attach,
'NIC hotplug not available')