vmware-nsx-tempest-plugin/vmware_nsx_tempest_plugin/tests/scenario/manager.py
Shubham Kadam cf22adca2c Fix for bug 2724591
Change-Id: I6673eed4f6933f749fb8e0496c4ab03396d1e75e
2021-02-25 06:15:33 +00:00

1258 lines
54 KiB
Python

# Copyright 2012 OpenStack Foundation
# Copyright 2013 IBM Corp.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import subprocess
import netaddr
from oslo_log import log
from oslo_serialization import jsonutils
from oslo_utils import netutils
from tempest.common import compute
from tempest.common import image as common_image
from tempest.common.utils.linux import remote_client
from tempest.common.utils import net_utils
from tempest.common import waiters
from tempest import config
from tempest import exceptions
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils import test_utils
from tempest.lib import exceptions as lib_exc
import tempest.test
CONF = config.CONF
LOG = log.getLogger(__name__)
class ScenarioTest(tempest.test.BaseTestCase):
"""Base class for scenario tests. Uses tempest own clients. """
credentials = ['primary']
@classmethod
def setup_clients(cls):
super(ScenarioTest, cls).setup_clients()
# Clients (in alphabetical order)
cls.flavors_client = cls.os_primary.flavors_client
cls.compute_floating_ips_client = (
cls.os_primary.compute_floating_ips_client)
if CONF.service_available.glance:
# Check if glance v1 is available to determine which client to use.
if CONF.image_feature_enabled.api_v1:
cls.image_client = cls.os_primary.image_client
elif CONF.image_feature_enabled.api_v2:
cls.image_client = cls.os_primary.image_client_v2
else:
raise lib_exc.InvalidConfiguration(
'Either api_v1 or api_v2 must be True in '
'[image-feature-enabled].')
# Compute image client
cls.compute_images_client = cls.os_primary.compute_images_client
cls.keypairs_client = cls.os_primary.keypairs_client
# Nova security groups client
cls.compute_security_groups_client = (
cls.os_primary.compute_security_groups_client)
cls.compute_security_group_rules_client = (
cls.os_primary.compute_security_group_rules_client)
cls.servers_client = cls.os_primary.servers_client
cls.interface_client = cls.os_primary.interfaces_client
# Neutron network client
cls.networks_client = cls.os_primary.networks_client
cls.ports_client = cls.os_primary.ports_client
cls.routers_client = cls.os_primary.routers_client
cls.subnets_client = cls.os_primary.subnets_client
cls.floating_ips_client = cls.os_primary.floating_ips_client
cls.security_groups_client = cls.os_primary.security_groups_client
cls.security_group_rules_client = (
cls.os_primary.security_group_rules_client)
if CONF.volume_feature_enabled:
cls.volumes_client = cls.os_primary.volumes_client_latest
cls.snapshots_client = cls.os_primary.snapshots_client_latest
# ## Test functions library
#
# The create_[resource] functions only return body and discard the
# resp part which is not used in scenario tests
def _create_port(self, network_id, client=None, namestart='port-quotatest',
**kwargs):
if not client:
client = self.ports_client
name = data_utils.rand_name(namestart)
result = client.create_port(
name=name,
network_id=network_id,
**kwargs)
self.assertIsNotNone(result, 'Unable to allocate port')
port = result['port']
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
client.delete_port, port['id'])
return port
def create_keypair(self, client=None):
if not client:
client = self.keypairs_client
name = data_utils.rand_name(self.__class__.__name__)
# We don't need to create a keypair by pubkey in scenario
body = client.create_keypair(name=name)
self.addCleanup(client.delete_keypair, name)
return body['keypair']
def create_server(self, name=None, image_id=None, flavor=None,
validatable=False, wait_until='ACTIVE',
clients=None, **kwargs):
"""Wrapper utility that returns a test server.
This wrapper utility calls the common create test server and
returns a test server. The purpose of this wrapper is to minimize
the impact on the code of the tests already using this
function.
"""
# NOTE(jlanoux): As a first step, ssh checks in the scenario
# tests need to be run regardless of the run_validation and
# validatable parameters and thus until the ssh validation job
# becomes voting in CI. The test resources management and IP
# association are taken care of in the scenario tests.
# Therefore, the validatable parameter is set to false in all
# those tests. In this way create_server just return a standard
# server and the scenario tests always perform ssh checks.
# Needed for the cross_tenant_traffic test:
if clients is None:
clients = self.manager
if name is None:
name = data_utils.rand_name(self.__class__.__name__ + "-server")
vnic_type = CONF.network.port_vnic_type
# If vnic_type is configured create port for
# every network
if vnic_type:
ports = []
create_port_body = {'binding:vnic_type': vnic_type,
'namestart': 'port-smoke'}
if kwargs:
# Convert security group names to security group ids
# to pass to create_port
if 'security_groups' in kwargs:
security_groups = \
clients.security_groups_client.list_security_groups(
).get('security_groups')
sec_dict = dict([(s['name'], s['id'])
for s in security_groups])
sec_groups_names = [s['name'] for s in kwargs.pop(
'security_groups')]
security_groups_ids = [sec_dict[s]
for s in sec_groups_names]
if security_groups_ids:
create_port_body[
'security_groups'] = security_groups_ids
networks = kwargs.pop('networks', [])
else:
networks = []
# If there are no networks passed to us we look up
# for the project's private networks and create a port.
# The same behaviour as we would expect when passing
# the call to the clients with no networks
if not networks:
networks = clients.networks_client.list_networks(
**{'router:external': False, 'fields': 'id'})['networks']
# It's net['uuid'] if networks come from kwargs
# and net['id'] if they come from
# clients.networks_client.list_networks
for net in networks:
net_id = net.get('uuid', net.get('id'))
if 'port' not in net:
port = self._create_port(network_id=net_id,
client=clients.ports_client,
**create_port_body)
ports.append({'port': port['id']})
else:
ports.append({'port': net['port']})
if ports:
kwargs['networks'] = ports
self.ports = ports
tenant_network = self.get_tenant_network()
body, servers = compute.create_test_server(
clients,
tenant_network=tenant_network,
wait_until=wait_until,
name=name, flavor=flavor,
image_id=image_id, **kwargs)
self.addCleanup(waiters.wait_for_server_termination,
clients.servers_client, body['id'])
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
clients.servers_client.delete_server, body['id'])
server = clients.servers_client.show_server(body['id'])['server']
return server
def create_volume(self, size=None, name=None, snapshot_id=None,
imageRef=None, volume_type=None):
if size is None:
size = CONF.volume.volume_size
if imageRef:
image = self.compute_images_client.show_image(imageRef)['image']
min_disk = image.get('minDisk')
size = max(size, min_disk)
if name is None:
name = data_utils.rand_name(self.__class__.__name__ + "-volume")
kwargs = {'display_name': name,
'snapshot_id': snapshot_id,
'imageRef': imageRef,
'volume_type': volume_type,
'size': size}
volume = self.volumes_client.create_volume(**kwargs)['volume']
self.addCleanup(self.volumes_client.wait_for_resource_deletion,
volume['id'])
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
self.volumes_client.delete_volume, volume['id'])
# NOTE(e0ne): Cinder API v2 uses name instead of display_name
if 'display_name' in volume:
self.assertEqual(name, volume['display_name'])
else:
self.assertEqual(name, volume['name'])
waiters.wait_for_volume_resource_status(self.volumes_client,
volume['id'], 'available')
# The volume retrieved on creation has a non-up-to-date status.
# Retrieval after it becomes active ensures correct details.
volume = self.volumes_client.show_volume(volume['id'])['volume']
return volume
def create_volume_type(self, client=None, name=None, backend_name=None):
if not client:
client = self.admin_volume_types_client
if not name:
class_name = self.__class__.__name__
name = data_utils.rand_name(class_name + '-volume-type')
randomized_name = data_utils.rand_name('scenario-type-' + name)
LOG.debug("Creating a volume type: %s on backend %s",
randomized_name, backend_name)
extra_specs = {}
if backend_name:
extra_specs = {"volume_backend_name": backend_name}
body = client.create_volume_type(name=randomized_name,
extra_specs=extra_specs)
volume_type = body['volume_type']
self.assertIn('id', volume_type)
self.addCleanup(client.delete_volume_type, volume_type['id'])
return volume_type
def _create_loginable_secgroup_rule(self, secgroup_id=None):
_client = self.compute_security_groups_client
_client_rules = self.compute_security_group_rules_client
if secgroup_id is None:
sgs = _client.list_security_groups()['security_groups']
for sg in sgs:
if sg['name'] == 'default':
secgroup_id = sg['id']
# These rules are intended to permit inbound ssh and icmp
# traffic from all sources, so no group_id is provided.
# Setting a group_id would only permit traffic from ports
# belonging to the same security group.
rulesets = [
{
# ssh
'ip_protocol': 'tcp',
'from_port': 22,
'to_port': 22,
'cidr': '0.0.0.0/0',
},
{
# ping
'ip_protocol': 'icmp',
'from_port': -1,
'to_port': -1,
'cidr': '0.0.0.0/0',
}
]
rules = list()
for ruleset in rulesets:
sg_rule = _client_rules.create_security_group_rule(
parent_group_id=secgroup_id, **ruleset)['security_group_rule']
rules.append(sg_rule)
return rules
def _create_security_group(self):
# Create security group
sg_name = data_utils.rand_name(self.__class__.__name__)
sg_desc = sg_name + " description"
secgroup = self.compute_security_groups_client.create_security_group(
name=sg_name, description=sg_desc)['security_group']
self.assertEqual(secgroup['name'], sg_name)
self.assertEqual(secgroup['description'], sg_desc)
self.addCleanup(
test_utils.call_and_ignore_notfound_exc,
self.compute_security_groups_client.delete_security_group,
secgroup['id'])
# Add rules to the security group
self._create_loginable_secgroup_rule(secgroup['id'])
return secgroup
def _get_security_group(self, sec_id, client=None):
if client is None:
client = self.security_groups_client
# Get security group
secgroup = client.show_security_group(
sec_id)['security_group']
return secgroup
def get_remote_client(self, ip_address, username=None, private_key=None):
"""Get a SSH client to a remote server
@param ip_address the server floating or fixed IP address to use
for ssh validation
@param username name of the Linux account on the remote server
@param private_key the SSH private key to use
@return a RemoteClient object
"""
if username is None:
username = CONF.validation.image_ssh_user
# Set this with 'keypair' or others to log in with keypair or
# username/password.
if CONF.validation.auth_method == 'keypair':
password = None
if private_key is None:
private_key = self.keypair['private_key']
else:
password = CONF.validation.image_ssh_password
private_key = None
linux_client = remote_client.RemoteClient(ip_address, username,
pkey=private_key,
password=password)
try:
linux_client.validate_authentication()
except Exception as e:
message = ('Initializing SSH connection to %(ip)s failed. '
'Error: %(error)s' % {'ip': ip_address,
'error': e})
caller = test_utils.find_test_caller()
if caller:
message = '(%s) %s' % (caller, message)
LOG.exception(message)
self._log_console_output()
raise
return linux_client
def _image_create(self, name, fmt, path,
disk_format=None, properties=None):
if properties is None:
properties = {}
name = data_utils.rand_name('%s-' % name)
params = {
'name': name,
'container_format': fmt,
'disk_format': disk_format or fmt,
}
if CONF.image_feature_enabled.api_v1:
params['is_public'] = 'False'
params['properties'] = properties
params = {'headers': common_image.image_meta_to_headers(**params)}
else:
params['visibility'] = 'private'
# Additional properties are flattened out in the v2 API.
params.update(properties)
body = self.image_client.create_image(**params)
image = body['image'] if 'image' in body else body
self.addCleanup(self.image_client.delete_image, image['id'])
self.assertEqual("queued", image['status'])
with open(path, 'rb') as image_file:
if CONF.image_feature_enabled.api_v1:
self.image_client.update_image(image['id'], data=image_file)
else:
self.image_client.store_image_file(image['id'], image_file)
return image['id']
def glance_image_create(self):
img_path = CONF.scenario.img_dir + "/" + CONF.scenario.img_file
aki_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.aki_img_file
ari_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.ari_img_file
ami_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.ami_img_file
img_container_format = CONF.scenario.img_container_format
img_disk_format = CONF.scenario.img_disk_format
img_properties = CONF.scenario.img_properties
LOG.debug("paths: img: %s, container_format: %s, disk_format: %s, "
"properties: %s, ami: %s, ari: %s, aki: %s",
img_path, img_container_format, img_disk_format,
img_properties, ami_img_path, ari_img_path, aki_img_path)
try:
image = self._image_create('scenario-img',
img_container_format,
img_path,
disk_format=img_disk_format,
properties=img_properties)
except IOError:
LOG.debug("A qcow2 image was not found. Try to get a uec image.")
kernel = self._image_create('scenario-aki', 'aki', aki_img_path)
ramdisk = self._image_create('scenario-ari', 'ari', ari_img_path)
properties = {'kernel_id': kernel, 'ramdisk_id': ramdisk}
image = self._image_create('scenario-ami', 'ami',
path=ami_img_path,
properties=properties)
LOG.debug("image:%s", image)
return image
def _log_console_output(self, servers=None):
if not CONF.compute_feature_enabled.console_output:
LOG.debug('Console output not supported, cannot log')
return
if not servers:
servers = self.servers_client.list_servers()
servers = servers['servers']
for server in servers:
try:
console_output = self.servers_client.get_console_output(
server['id'])['output']
LOG.debug('Console output for %s\nbody=\n%s',
server['id'], console_output)
except lib_exc.NotFound:
LOG.debug("Server %s disappeared(deleted) while looking "
"for the console log", server['id'])
def _log_net_info(self, exc):
# network debug is called as part of ssh init
if not isinstance(exc, lib_exc.SSHTimeout):
LOG.debug('Network information on a devstack host')
def create_server_snapshot(self, server, name=None):
# Glance client
_image_client = self.image_client
# Compute client
_images_client = self.compute_images_client
if name is None:
name = data_utils.rand_name(self.__class__.__name__ + 'snapshot')
LOG.debug("Creating a snapshot image for server: %s", server['name'])
image = _images_client.create_image(server['id'], name=name)
image_id = image.response['location'].split('images/')[1]
waiters.wait_for_image_status(_image_client, image_id, 'active')
self.addCleanup(_image_client.wait_for_resource_deletion,
image_id)
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
_image_client.delete_image, image_id)
if CONF.image_feature_enabled.api_v1:
# In glance v1 the additional properties are stored in the headers.
resp = _image_client.check_image(image_id)
snapshot_image = common_image.get_image_meta_from_headers(resp)
image_props = snapshot_image.get('properties', {})
else:
# In glance v2 the additional properties are flattened.
snapshot_image = _image_client.show_image(image_id)
image_props = snapshot_image
bdm = image_props.get('block_device_mapping')
if bdm:
bdm = jsonutils.loads(bdm)
if bdm and 'snapshot_id' in bdm[0]:
snapshot_id = bdm[0]['snapshot_id']
self.addCleanup(
self.snapshots_client.wait_for_resource_deletion,
snapshot_id)
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
self.snapshots_client.delete_snapshot,
snapshot_id)
waiters.wait_for_volume_resource_status(self.snapshots_client,
snapshot_id,
'available')
image_name = snapshot_image['name']
self.assertEqual(name, image_name)
LOG.debug("Created snapshot image %s for server %s",
image_name, server['name'])
return snapshot_image
def nova_volume_attach(self, server, volume_to_attach):
volume = self.servers_client.attach_volume(
server['id'], volumeId=volume_to_attach['id'], device='/dev/%s'
% CONF.compute.volume_device_name)['volumeAttachment']
self.assertEqual(volume_to_attach['id'], volume['id'])
waiters.wait_for_volume_resource_status(self.volumes_client,
volume['id'], 'in-use')
# Return the updated volume after the attachment
return self.volumes_client.show_volume(volume['id'])['volume']
def nova_volume_detach(self, server, volume):
self.servers_client.detach_volume(server['id'], volume['id'])
waiters.wait_for_volume_resource_status(self.volumes_client,
volume['id'], 'available')
volume = self.volumes_client.show_volume(volume['id'])['volume']
self.assertEqual('available', volume['status'])
def rebuild_server(self, server_id, image=None,
preserve_ephemeral=False, wait=True,
rebuild_kwargs=None):
if image is None:
image = CONF.compute.image_ref
rebuild_kwargs = rebuild_kwargs or {}
LOG.debug("Rebuilding server (id: %s, image: %s, preserve eph: %s)",
server_id, image, preserve_ephemeral)
self.servers_client.rebuild_server(
server_id=server_id, image_ref=image,
preserve_ephemeral=preserve_ephemeral,
**rebuild_kwargs)
if wait:
waiters.wait_for_server_status(self.servers_client,
server_id, 'ACTIVE')
def ping_ip_address(self, ip_address, should_succeed=True,
ping_timeout=None, mtu=None):
timeout = ping_timeout or CONF.validation.ping_timeout
cmd = ['ping', '-c1', '-w1']
if mtu:
cmd += [
# don't fragment
'-M', 'do',
# ping receives just the size of ICMP payload
'-s', str(net_utils.get_ping_payload_size(mtu, 4))
]
cmd.append(ip_address)
def ping():
proc = subprocess.Popen(cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
proc.communicate()
return (proc.returncode == 0) == should_succeed
caller = test_utils.find_test_caller()
LOG.debug('%(caller)s begins to ping %(ip)s in %(timeout)s sec and the'
' expected result is %(should_succeed)s', {
'caller': caller, 'ip': ip_address, 'timeout': timeout,
'should_succeed':
'reachable' if should_succeed else 'unreachable'
})
result = test_utils.call_until_true(ping, timeout, 1)
LOG.debug('%(caller)s finishes ping %(ip)s in %(timeout)s sec and the '
'ping result is %(result)s', {
'caller': caller, 'ip': ip_address, 'timeout': timeout,
'result': 'expected' if result else 'unexpected'
})
return result
def check_vm_connectivity(self, ip_address,
username=None,
private_key=None,
should_connect=True,
mtu=None):
"""Check server connectivity
:param ip_address: server to test against
:param username: server's ssh username
:param private_key: server's ssh private key to be used
:param should_connect: True/False indicates positive/negative test
positive - attempt ping and ssh
negative - attempt ping and fail if succeed
:param mtu: network MTU to use for connectivity validation
:raises: AssertError if the result of the connectivity check does
not match the value of the should_connect param
"""
if should_connect:
msg = "Timed out waiting for %s to become reachable" % ip_address
else:
msg = "ip address %s is reachable" % ip_address
self.assertTrue(self.ping_ip_address(ip_address,
should_succeed=should_connect,
mtu=mtu),
msg=msg)
if should_connect:
# no need to check ssh for negative connectivity
self.get_remote_client(ip_address, username, private_key)
def check_public_network_connectivity(self, ip_address, username,
private_key, should_connect=True,
msg=None, servers=None, mtu=None):
# The target login is assumed to have been configured for
# key-based authentication by cloud-init.
LOG.debug('checking network connections to IP %s with user: %s',
ip_address, username)
try:
self.check_vm_connectivity(ip_address,
username,
private_key,
should_connect=should_connect,
mtu=mtu)
except Exception:
ex_msg = 'Public network connectivity check failed'
if msg:
ex_msg += ": " + msg
LOG.exception(ex_msg)
self._log_console_output(servers)
raise
def create_floating_ip(self, thing, pool_name=None):
"""Create a floating IP and associates to a server on Nova"""
if not pool_name:
pool_name = CONF.network.floating_network_name
floating_ip = (self.compute_floating_ips_client.
create_floating_ip(pool=pool_name)['floating_ip'])
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
self.compute_floating_ips_client.delete_floating_ip,
floating_ip['id'])
self.compute_floating_ips_client.associate_floating_ip_to_server(
floating_ip['ip'], thing['id'])
return floating_ip
def create_timestamp(self, ip_address, dev_name=None, mount_path='/mnt',
private_key=None):
ssh_client = self.get_remote_client(ip_address,
private_key=private_key)
if dev_name is not None:
ssh_client.make_fs(dev_name)
ssh_client.mount(dev_name, mount_path)
cmd_timestamp = 'sudo sh -c "date > %s/timestamp; sync"' % mount_path
ssh_client.exec_command(cmd_timestamp)
timestamp = ssh_client.exec_command('sudo cat %s/timestamp'
% mount_path)
if dev_name is not None:
ssh_client.umount(mount_path)
return timestamp
def get_timestamp(self, ip_address, dev_name=None, mount_path='/mnt',
private_key=None):
ssh_client = self.get_remote_client(ip_address,
private_key=private_key)
if dev_name is not None:
ssh_client.mount(dev_name, mount_path)
timestamp = ssh_client.exec_command('sudo cat %s/timestamp'
% mount_path)
if dev_name is not None:
ssh_client.umount(mount_path)
return timestamp
def get_server_ip(self, server):
"""Get the server fixed or floating IP.
Based on the configuration we're in, return a correct ip
address for validating that a guest is up.
"""
if CONF.validation.connect_method == 'floating':
# The tests calling this method don't have a floating IP
# and can't make use of the validation resources. So the
# method is creating the floating IP there.
return self.create_floating_ip(server)['ip']
elif CONF.validation.connect_method == 'fixed':
# Determine the network name to look for based on config or creds
# provider network resources.
if CONF.validation.network_for_ssh:
addresses = server['addresses'][
CONF.validation.network_for_ssh]
else:
creds_provider = self._get_credentials_provider()
net_creds = creds_provider.get_primary_creds()
network = getattr(net_creds, 'network', None)
addresses = (server['addresses'][network['name']]
if network else [])
for address in addresses:
if address['version'] == \
CONF.validation.ip_version_for_ssh and \
address['OS-EXT-IPS:type'] == 'fixed':
return address['addr']
raise exceptions.ServerUnreachable(server_id=server['id'])
else:
raise lib_exc.InvalidConfiguration()
class NetworkScenarioTest(ScenarioTest):
"""Base class for network scenario tests.
This class provide helpers for network scenario tests, using the neutron
API. Helpers from ancestor which use the nova network API are overridden
with the neutron API.
This Class also enforces using Neutron instead of novanetwork.
Subclassed tests will be skipped if Neutron is not enabled
"""
credentials = ['primary', 'admin']
@classmethod
def skip_checks(cls):
super(NetworkScenarioTest, cls).skip_checks()
if not CONF.service_available.neutron:
raise cls.skipException('Neutron not available')
def _create_network(self, networks_client=None,
tenant_id=None,
namestart='network-smoke-'):
if not networks_client:
networks_client = self.networks_client
if not tenant_id:
tenant_id = networks_client.tenant_id
name = data_utils.rand_name(namestart)
network_kwargs = dict(name=name, tenant_id=tenant_id)
# Neutron disables port security by default so we have to check the
# config before trying to create the network with port_security_enabled
if CONF.network_feature_enabled.port_security:
port_security_enabled = True
else:
port_security_enabled = False
network_kwargs['port_security_enabled'] = port_security_enabled
result = networks_client.create_network(**network_kwargs)
network = result['network']
self.assertEqual(network['name'], name)
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
networks_client.delete_network,
network['id'])
return network
def _create_subnet(self, network, subnets_client=None,
routers_client=None, namestart='subnet-smoke',
**kwargs):
"""Create a subnet for the given network
within the cidr block configured for tenant networks.
"""
if not subnets_client:
subnets_client = self.subnets_client
if not routers_client:
routers_client = self.routers_client
def cidr_in_use(cidr, tenant_id):
"""Check cidr existence
:returns: True if subnet with cidr already exist in tenant
False else
"""
cidr_in_use = self.admin_manager.subnets_client.list_subnets(
tenant_id=tenant_id, cidr=cidr)['subnets']
return len(cidr_in_use) != 0
ip_version = kwargs.pop('ip_version', 4)
if ip_version == 6:
tenant_cidr = netaddr.IPNetwork(
CONF.network.project_network_v6_cidr)
num_bits = CONF.network.project_network_v6_mask_bits
else:
tenant_cidr = netaddr.IPNetwork(CONF.network.project_network_cidr)
num_bits = CONF.network.project_network_mask_bits
result = None
str_cidr = None
# Repeatedly attempt subnet creation with sequential cidr
# blocks until an unallocated block is found.
for subnet_cidr in tenant_cidr.subnet(num_bits):
str_cidr = str(subnet_cidr)
if cidr_in_use(str_cidr, tenant_id=network['tenant_id']):
continue
subnet = dict(
name=data_utils.rand_name(namestart),
network_id=network['id'],
tenant_id=network['tenant_id'],
cidr=str_cidr,
ip_version=ip_version,
**kwargs
)
try:
result = subnets_client.create_subnet(**subnet)
break
except lib_exc.Conflict as e:
is_overlapping_cidr = 'overlaps with another subnet' in str(e)
if not is_overlapping_cidr:
raise
self.assertIsNotNone(result, 'Unable to allocate tenant network')
subnet = result['subnet']
self.assertEqual(subnet['cidr'], str_cidr)
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
subnets_client.delete_subnet, subnet['id'])
return subnet
def _get_server_port_id_and_ip4(self, server, ip_addr=None):
ports = self.admin_manager.ports_client.list_ports(
device_id=server['id'], fixed_ip=ip_addr)['ports']
# A port can have more than one IP address in some cases.
# If the network is dual-stack (IPv4 + IPv6), this port is associated
# with 2 subnets
p_status = ['ACTIVE']
# NOTE(vsaienko) With Ironic, instances live on separate hardware
# servers. Neutron does not bind ports for Ironic instances, as a
# result the port remains in the DOWN state.
# TODO(vsaienko) remove once bug: #1599836 is resolved.
if getattr(CONF.service_available, 'ironic', False):
p_status.append('DOWN')
port_map = [(p["id"], fxip["ip_address"])
for p in ports
for fxip in p["fixed_ips"]
if netutils.is_valid_ipv4(fxip["ip_address"]) and
p['status'] in p_status]
inactive = [p for p in ports if p['status'] != 'ACTIVE']
if inactive:
LOG.warning("Instance has ports that are not ACTIVE: %s", inactive)
self.assertNotEqual(0, len(port_map),
"No IPv4 addresses found in: %s" % ports)
self.assertEqual(len(port_map), 1,
"Found multiple IPv4 addresses: %s. "
"Unable to determine which port to target."
% port_map)
return port_map[0]
def _get_network_by_name(self, network_name):
net = self.admin_manager.networks_client.list_networks(
name=network_name)['networks']
self.assertNotEqual(len(net), 0,
"Unable to get network by name: %s" % network_name)
return net[0]
def create_floating_ip(self, thing, external_network_id=None,
port_id=None, client=None):
"""Create a floating IP and associates to a resource/port on Neutron"""
if not external_network_id:
external_network_id = CONF.network.public_network_id
if not client:
client = self.floating_ips_client
if not port_id:
port_id, ip4 = self._get_server_port_id_and_ip4(thing)
else:
ip4 = None
result = client.create_floatingip(
floating_network_id=external_network_id,
port_id=port_id,
tenant_id=thing['tenant_id'],
fixed_ip_address=ip4
)
floating_ip = result['floatingip']
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
client.delete_floatingip,
floating_ip['id'])
return floating_ip
def _associate_floating_ip(self, floating_ip, server):
port_id, _ = self._get_server_port_id_and_ip4(server)
kwargs = dict(port_id=port_id)
floating_ip = self.floating_ips_client.update_floatingip(
floating_ip['id'], **kwargs)['floatingip']
self.assertEqual(port_id, floating_ip['port_id'])
return floating_ip
def _disassociate_floating_ip(self, floating_ip):
""":param floating_ip: floating_ips_client.create_floatingip"""
kwargs = dict(port_id=None)
floating_ip = self.floating_ips_client.update_floatingip(
floating_ip['id'], **kwargs)['floatingip']
self.assertIsNone(floating_ip['port_id'])
return floating_ip
def check_floating_ip_status(self, floating_ip, status):
"""Verifies floatingip reaches the given status
:param dict floating_ip: floating IP dict to check status
:param status: target status
:raises: AssertionError if status doesn't match
"""
floatingip_id = floating_ip['id']
def refresh():
result = (self.floating_ips_client.
show_floatingip(floatingip_id)['floatingip'])
return status == result['status']
test_utils.call_until_true(refresh,
CONF.network.build_timeout,
CONF.network.build_interval)
floating_ip = self.floating_ips_client.show_floatingip(
floatingip_id)['floatingip']
self.assertEqual(status, floating_ip['status'],
message="FloatingIP: {fp} is at status: {cst}. "
"failed to reach status: {st}"
.format(fp=floating_ip, cst=floating_ip['status'],
st=status))
LOG.info("FloatingIP: {fp} is at status: {st}"
.format(fp=floating_ip, st=status))
def _check_tenant_network_connectivity(self, server,
username,
private_key,
should_connect=True,
servers_for_debug=None):
if not CONF.network.project_networks_reachable:
msg = 'Tenant networks not configured to be reachable.'
LOG.info(msg)
return
# The target login is assumed to have been configured for
# key-based authentication by cloud-init.
try:
for ip_addresses in server['addresses'].values():
for ip_address in ip_addresses:
self.check_vm_connectivity(ip_address['addr'],
username,
private_key,
should_connect=should_connect)
except Exception as e:
LOG.exception('Tenant network connectivity check failed')
self._log_console_output(servers_for_debug)
self._log_net_info(e)
raise
def _check_remote_connectivity(self, source, dest, should_succeed=True,
nic=None):
"""assert ping server via source ssh connection
Note: This is an internal method. Use check_remote_connectivity
instead.
:param source: RemoteClient: an ssh connection from which to ping
:param dest: and IP to ping against
:param should_succeed: boolean should ping succeed or not
:param nic: specific network interface to ping from
"""
def ping_remote():
try:
source.ping_host(dest, nic=nic)
except lib_exc.SSHExecCommandFailed:
LOG.warning('Failed to ping IP: %s via a ssh connection '
'from: %s.', dest, source.ssh_client.host)
return not should_succeed
return should_succeed
return test_utils.call_until_true(ping_remote,
CONF.validation.ping_timeout,
1)
def check_remote_connectivity(self, source, dest, should_succeed=True,
nic=None):
"""assert ping server via source ssh connection
:param source: RemoteClient: an ssh connection from which to ping
:param dest: and IP to ping against
:param should_succeed: boolean should ping succeed or not
:param nic: specific network interface to ping from
"""
result = self._check_remote_connectivity(source, dest, should_succeed,
nic)
source_host = source.ssh_client.host
if should_succeed:
msg = "Timed out waiting for %s to become reachable from %s" \
% (dest, source_host)
else:
msg = "%s is reachable from %s" % (dest, source_host)
self.assertTrue(result, msg)
def _create_security_group(self, security_group_rules_client=None,
tenant_id=None,
namestart='secgroup-smoke',
security_groups_client=None):
if security_group_rules_client is None:
security_group_rules_client = self.security_group_rules_client
if security_groups_client is None:
security_groups_client = self.security_groups_client
if tenant_id is None:
tenant_id = security_groups_client.tenant_id
secgroup = self._create_empty_security_group(
namestart=namestart, client=security_groups_client,
tenant_id=tenant_id)
# Add rules to the security group
rules = self._create_loginable_secgroup_rule(
security_group_rules_client=security_group_rules_client,
secgroup=secgroup,
security_groups_client=security_groups_client)
for rule in rules:
self.assertEqual(tenant_id, rule['tenant_id'])
self.assertEqual(secgroup['id'], rule['security_group_id'])
return secgroup
def _create_empty_security_group(self, client=None, tenant_id=None,
namestart='secgroup-smoke'):
"""Create a security group without rules.
Default rules will be created:
- IPv4 egress to any
- IPv6 egress to any
:param tenant_id: secgroup will be created in this tenant
:returns: the created security group
"""
if client is None:
client = self.security_groups_client
if not tenant_id:
tenant_id = client.tenant_id
sg_name = data_utils.rand_name(namestart)
sg_desc = sg_name + " description"
sg_dict = dict(name=sg_name,
description=sg_desc)
sg_dict['tenant_id'] = tenant_id
result = client.create_security_group(**sg_dict)
secgroup = result['security_group']
self.assertEqual(secgroup['name'], sg_name)
self.assertEqual(tenant_id, secgroup['tenant_id'])
self.assertEqual(secgroup['description'], sg_desc)
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
client.delete_security_group, secgroup['id'])
return secgroup
def _default_security_group(self, client=None, tenant_id=None):
"""Get default secgroup for given tenant_id.
:returns: default secgroup for given tenant
"""
if client is None:
client = self.security_groups_client
if not tenant_id:
tenant_id = client.tenant_id
sgs = [
sg for sg in list(client.list_security_groups().values())[0]
if sg['tenant_id'] == tenant_id and sg['name'] == 'default'
]
msg = "No default security group for tenant %s." % (tenant_id)
self.assertGreater(len(sgs), 0, msg)
return sgs[0]
def _create_security_group_rule(self, secgroup=None,
sec_group_rules_client=None,
tenant_id=None,
security_groups_client=None, **kwargs):
"""Create a rule from a dictionary of rule parameters.
Create a rule in a secgroup. if secgroup not defined will search for
default secgroup in tenant_id.
:param secgroup: the security group.
:param tenant_id: if secgroup not passed -- the tenant in which to
search for default secgroup
:param kwargs: a dictionary containing rule parameters:
for example, to allow incoming ssh:
rule = {
direction: 'ingress'
protocol:'tcp',
port_range_min: 22,
port_range_max: 22
}
"""
if sec_group_rules_client is None:
sec_group_rules_client = self.security_group_rules_client
if security_groups_client is None:
security_groups_client = self.security_groups_client
if not tenant_id:
tenant_id = security_groups_client.tenant_id
if secgroup is None:
secgroup = self._default_security_group(
client=security_groups_client, tenant_id=tenant_id)
ruleset = dict(security_group_id=secgroup['id'],
tenant_id=secgroup['tenant_id'])
ruleset.update(kwargs)
sg_rule = sec_group_rules_client.create_security_group_rule(**ruleset)
sg_rule = sg_rule['security_group_rule']
self.assertEqual(secgroup['tenant_id'], sg_rule['tenant_id'])
self.assertEqual(secgroup['id'], sg_rule['security_group_id'])
return sg_rule
def _delete_security_group_rule(self, sec_id,
sec_group_rules_client=None, **kwargs):
"""Delete a rule from a dictionary of rule parameters.
"""
if sec_group_rules_client is None:
sec_group_rules_client = self.security_group_rules_client
sec_group_rules_client.delete_security_group_rule(sec_id)
def _create_loginable_secgroup_rule(self, security_group_rules_client=None,
secgroup=None,
security_groups_client=None):
"""Create loginable security group rule
This function will create:
1. egress and ingress tcp port 22 allow rule in order to allow ssh
access for ipv4.
2. egress and ingress ipv6 icmp allow rule, in order to allow icmpv6.
3. egress and ingress ipv4 icmp allow rule, in order to allow icmpv4.
"""
if security_group_rules_client is None:
security_group_rules_client = self.security_group_rules_client
if security_groups_client is None:
security_groups_client = self.security_groups_client
rules = []
rulesets = [
dict(
# ssh
protocol='tcp',
port_range_min=22,
port_range_max=22,
),
dict(
# ping
protocol='icmp',
),
dict(
# ipv6-icmp for ping6
protocol='icmp',
ethertype='IPv6',
)
]
sec_group_rules_client = security_group_rules_client
for ruleset in rulesets:
for r_direction in ['ingress', 'egress']:
ruleset['direction'] = r_direction
try:
sg_rule = self._create_security_group_rule(
sec_group_rules_client=sec_group_rules_client,
secgroup=secgroup,
security_groups_client=security_groups_client,
**ruleset)
except lib_exc.Conflict as ex:
# if rule already exist - skip rule and continue
msg = 'Security group rule already exists'
if msg not in ex._error_string:
raise ex
else:
self.assertEqual(r_direction, sg_rule['direction'])
rules.append(sg_rule)
return rules
def _get_router(self, client=None, tenant_id=None):
"""Retrieve a router for the given tenant id.
If a public router has been configured, it will be returned.
If a public router has not been configured, but a public
network has, a tenant router will be created and returned that
routes traffic to the public network.
"""
if not client:
client = self.routers_client
if not tenant_id:
tenant_id = client.tenant_id
router_id = CONF.network.public_router_id
network_id = CONF.network.public_network_id
if router_id:
body = client.show_router(router_id)
return body['router']
elif network_id:
router = self._create_router(client, tenant_id)
kwargs = {'external_gateway_info': dict(network_id=network_id)}
router = client.update_router(router['id'], **kwargs)['router']
return router
else:
raise Exception("Neither of 'public_router_id' or "
"'public_network_id' has been defined.")
def _create_router(self, client=None, tenant_id=None,
namestart='router-smoke'):
if not client:
client = self.routers_client
if not tenant_id:
tenant_id = client.tenant_id
name = data_utils.rand_name(namestart)
result = client.create_router(name=name,
admin_state_up=True,
tenant_id=tenant_id)
router = result['router']
self.assertEqual(router['name'], name)
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
client.delete_router,
router['id'])
return router
def _update_router_admin_state(self, router, admin_state_up):
kwargs = dict(admin_state_up=admin_state_up)
router = self.routers_client.update_router(
router['id'], **kwargs)['router']
self.assertEqual(admin_state_up, router['admin_state_up'])
def create_networks(self, networks_client=None,
routers_client=None, subnets_client=None,
tenant_id=None, dns_nameservers=None,
):
"""Create a network with a subnet connected to a router.
The baremetal driver is a special case since all nodes are
on the same shared network.
:param tenant_id: id of tenant to create resources in.
:param dns_nameservers: list of dns servers to send to subnet.
:returns: network, subnet, router
"""
if CONF.network.shared_physical_network:
# NOTE(Shrews): This exception is for environments where tenant
# credential isolation is available, but network separation is
# not (the current baremetal case). Likely can be removed when
# test account mgmt is reworked:
# https://blueprints.launchpad.net/tempest/+spec/test-accounts
if not CONF.compute.fixed_network_name:
m = 'fixed_network_name must be specified in config'
raise lib_exc.InvalidConfiguration(m)
network = self._get_network_by_name(
CONF.compute.fixed_network_name)
router = None
subnet = None
else:
network = self._create_network(
networks_client=networks_client,
tenant_id=tenant_id)
router = self._get_router(client=routers_client,
tenant_id=tenant_id)
subnet_kwargs = dict(network=network,
subnets_client=subnets_client,
routers_client=routers_client)
# use explicit check because empty list is a valid option
if dns_nameservers is not None:
subnet_kwargs['dns_nameservers'] = dns_nameservers
subnet = self._create_subnet(**subnet_kwargs)
if not routers_client:
routers_client = self.routers_client
router_id = router['id']
routers_client.add_router_interface(router_id,
subnet_id=subnet['id'])
# save a cleanup job to remove this association between
# router and subnet
self.addCleanup(test_utils.call_and_ignore_notfound_exc,
routers_client.remove_router_interface, router_id,
subnet_id=subnet['id'])
return network, subnet, router