Source code for scenario.test_network_advanced_server_ops

# Copyright 2014 IBM Corp.
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#    Licensed under the Apache License, Version 2.0 (the "License"); you may
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#    a copy of the License at
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#         http://www.apache.org/licenses/LICENSE-2.0
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#    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
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import testtools

from oslo_log import log
from tempest.common import utils
from tempest.common.utils import net_downtime
from tempest.common import waiters
from tempest import config
from tempest.lib import decorators
from tempest.scenario import manager

CONF = config.CONF

LOG = log.getLogger(__name__)


[docs]class TestNetworkAdvancedServerOps(manager.NetworkScenarioTest): """Check VM connectivity after some advanced instance operations executed: * Stop/Start an instance * Reboot an instance * Rebuild an instance * Pause/Unpause an instance * Suspend/Resume an instance * Resize an instance """ @classmethod def setup_clients(cls): super(TestNetworkAdvancedServerOps, cls).setup_clients() cls.admin_servers_client = cls.os_admin.servers_client @classmethod def skip_checks(cls): super(TestNetworkAdvancedServerOps, cls).skip_checks() if not (CONF.network.project_networks_reachable or CONF.network.public_network_id): msg = ('Either project_networks_reachable must be "true", or ' 'public_network_id must be defined.') raise cls.skipException(msg) if not CONF.network_feature_enabled.floating_ips: raise cls.skipException("Floating ips are not available") @classmethod def setup_credentials(cls): # Create no network resources for these tests. cls.set_network_resources() super(TestNetworkAdvancedServerOps, cls).setup_credentials() def _setup_server(self, keypair): security_groups = [] if utils.is_extension_enabled('security-group', 'network'): security_group = self.create_security_group() security_groups = [{'name': security_group['name']}] network, _, _ = self.setup_network_subnet_with_router() server = self.create_server( networks=[{'uuid': network['id']}], key_name=keypair['name'], security_groups=security_groups) return server def _setup_network(self, server, keypair): public_network_id = CONF.network.public_network_id floating_ip = self.create_floating_ip(server, public_network_id) # Verify that we can indeed connect to the server before we mess with # it's state self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip) return floating_ip def _check_network_connectivity(self, server, keypair, floating_ip, should_connect=True, username=CONF.validation.image_ssh_user): private_key = keypair['private_key'] self.check_tenant_network_connectivity( server, username, private_key, should_connect=should_connect, servers_for_debug=[server]) floating_ip_addr = floating_ip['floating_ip_address'] # Check FloatingIP status before checking the connectivity self.check_floating_ip_status(floating_ip, 'ACTIVE') self.check_vm_connectivity(floating_ip_addr, username, private_key, should_connect, 'Public network connectivity check failed', server) def _wait_server_status_and_check_network_connectivity( self, server, keypair, floating_ip, username=CONF.validation.image_ssh_user): waiters.wait_for_server_status(self.servers_client, server['id'], 'ACTIVE') self._check_network_connectivity(server, keypair, floating_ip, username=username)
[docs] @decorators.idempotent_id('61f1aa9a-1573-410e-9054-afa557cab021') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_stop_start(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) self.servers_client.stop_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'SHUTOFF') self._check_network_connectivity(server, keypair, floating_ip, should_connect=False) self.servers_client.start_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip)
[docs] @decorators.idempotent_id('7b6860c2-afa3-4846-9522-adeb38dfbe08') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_reboot(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) self.servers_client.reboot_server(server['id'], type='SOFT') self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip)
[docs] @decorators.idempotent_id('88a529c2-1daa-4c85-9aec-d541ba3eb699') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_rebuild(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) image_ref_alt = CONF.compute.image_ref_alt username_alt = CONF.validation.image_alt_ssh_user self.servers_client.rebuild_server(server['id'], image_ref=image_ref_alt) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip, username_alt)
[docs] @decorators.idempotent_id('2b2642db-6568-4b35-b812-eceed3fa20ce') @testtools.skipUnless(CONF.compute_feature_enabled.pause, 'Pause is not available.') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_pause_unpause(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) self.servers_client.pause_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'PAUSED') self._check_network_connectivity(server, keypair, floating_ip, should_connect=False) self.servers_client.unpause_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip)
[docs] @decorators.idempotent_id('5cdf9499-541d-4923-804e-b9a60620a7f0') @testtools.skipUnless(CONF.compute_feature_enabled.suspend, 'Suspend is not available.') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_suspend_resume(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) self.servers_client.suspend_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'SUSPENDED') self._check_network_connectivity(server, keypair, floating_ip, should_connect=False) self.servers_client.resume_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip)
[docs] @decorators.idempotent_id('719eb59d-2f42-4b66-b8b1-bb1254473967') @testtools.skipUnless(CONF.compute_feature_enabled.resize, 'Resize is not available.') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_resize(self): resize_flavor = CONF.compute.flavor_ref_alt keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) self.servers_client.resize_server(server['id'], flavor_ref=resize_flavor) waiters.wait_for_server_status(self.servers_client, server['id'], 'VERIFY_RESIZE') self.servers_client.confirm_resize_server(server['id']) server = self.servers_client.show_server(server['id'])['server'] # Nova API > 2.46 no longer includes flavor.id, and schema check # will cover whether 'id' should be in flavor if server['flavor'].get('id'): self.assertEqual(resize_flavor, server['flavor']['id']) else: flavor = self.flavors_client.show_flavor(resize_flavor)['flavor'] self.assertEqual(flavor['name'], server['original_name']) for key in ['ram', 'vcpus', 'disk']: self.assertEqual(flavor[key], server['flavor'][key]) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip)
[docs] @decorators.idempotent_id('a4858f6c-401e-4155-9a49-d5cd053d1a2f') @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration, 'Cold migration is not available.') @testtools.skipUnless(CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode ' 'tests.') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_cold_migration(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) src_host = self.get_host_for_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip) self.admin_servers_client.migrate_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'VERIFY_RESIZE') self.servers_client.confirm_resize_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip) dst_host = self.get_host_for_server(server['id']) self.assertNotEqual(src_host, dst_host)
[docs] @decorators.idempotent_id('03fd1562-faad-11e7-9ea0-fa163e65f5ce') @testtools.skipUnless(CONF.compute_feature_enabled.live_migration, 'Live migration is not available.') @testtools.skipUnless(CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode ' 'tests.') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_live_migration(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip) block_migration = (CONF.compute_feature_enabled. block_migration_for_live_migration) old_host = self.get_host_for_server(server['id']) downtime_meter = net_downtime.NetDowntimeMeter( floating_ip['floating_ip_address']) self.useFixture(downtime_meter) self.admin_servers_client.live_migrate_server( server['id'], host=None, block_migration=block_migration, disk_over_commit=False) waiters.wait_for_server_status(self.servers_client, server['id'], 'ACTIVE') new_host = self.get_host_for_server(server['id']) self.assertNotEqual(old_host, new_host, 'Server did not migrate') downtime = downtime_meter.get_downtime() self.assertIsNotNone(downtime) LOG.debug("Downtime seconds measured with downtime_meter = %r", downtime) allowed_downtime = CONF.validation.allowed_network_downtime self.assertLess( downtime, allowed_downtime, "Downtime of {} seconds is higher than expected '{}'".format( downtime, allowed_downtime)) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip)
[docs] @decorators.unstable_test(bug='1836595') @decorators.idempotent_id('25b188d7-0183-4b1e-a11d-15840c8e2fd6') @testtools.skipUnless(CONF.compute_feature_enabled.cold_migration, 'Cold migration is not available.') @testtools.skipUnless(CONF.compute.min_compute_nodes > 1, 'Less than 2 compute nodes, skipping multinode ' 'tests.') @decorators.attr(type='slow') @utils.services('compute', 'network') def test_server_connectivity_cold_migration_revert(self): keypair = self.create_keypair() server = self._setup_server(keypair) floating_ip = self._setup_network(server, keypair) src_host = self.get_host_for_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip) self.admin_servers_client.migrate_server(server['id']) waiters.wait_for_server_status(self.servers_client, server['id'], 'VERIFY_RESIZE') self.servers_client.revert_resize_server(server['id']) self._wait_server_status_and_check_network_connectivity( server, keypair, floating_ip) dst_host = self.get_host_for_server(server['id']) self.assertEqual(src_host, dst_host)