cloudstack/test/integration/smoke/test_nested_virtualization.py
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Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
""" Tests for Nested Virtualization
"""
#Import Local Modules
from marvin.codes import FAILED
from marvin.cloudstackTestCase import cloudstackTestCase
from marvin.lib.utils import (cleanup_resources,
get_hypervisor_type,
get_process_status)
from marvin.lib.base import (Account,
ServiceOffering,
NetworkOffering,
Configurations,
VirtualMachine,
Network)
from marvin.lib.common import (get_zone,
get_domain,
get_test_template)
from nose.plugins.attrib import attr
from marvin.sshClient import SshClient
import logging
class TestNestedVirtualization(cloudstackTestCase):
@classmethod
def setUpClass(cls):
testClient = super(TestNestedVirtualization, cls).getClsTestClient()
cls.apiclient = testClient.getApiClient()
cls.services = testClient.getParsedTestDataConfig()
cls.logger = logging.getLogger('TestNestedVirtualization')
cls.stream_handler = logging.StreamHandler()
cls.logger.setLevel(logging.DEBUG)
cls.logger.addHandler(cls.stream_handler)
cls.zone = get_zone(cls.apiclient, testClient.getZoneForTests())
cls.hypervisor = get_hypervisor_type(cls.apiclient)
cls.services['mode'] = cls.zone.networktype
cls.services["isolated_network"]["zoneid"] = cls.zone.id
cls.domain = get_domain(cls.apiclient)
cls.service_offering = ServiceOffering.create(
cls.apiclient,
cls.services["service_offerings"]["tiny"]
)
cls.account = Account.create(cls.apiclient, services=cls.services["account"])
cls.template = get_test_template(
cls.apiclient,
cls.zone.id,
cls.hypervisor
)
cls.isolated_network_offering = NetworkOffering.create(
cls.apiclient,
cls.services["isolated_network_offering"])
# Enable Isolated Network offering
cls.isolated_network_offering.update(cls.apiclient, state='Enabled')
if cls.template == FAILED:
assert False, "get_test_template() failed to return template"
cls.services["small"]["zoneid"] = cls.zone.id
cls.services["small"]["template"] = cls.template.id
cls.cleanup = [cls.account]
@attr(tags=["advanced"], required_hardware="true")
def test_nested_virtualization_vmware(self):
"""Test nested virtualization on Vmware hypervisor"""
if self.hypervisor.lower() not in ["vmware"]:
self.skipTest("Skipping test because suitable hypervisor/host not present")
# 1) Update nested virtualization configurations, if needed
configs = Configurations.list(self.apiclient, name="vmware.nested.virtualization")
rollback_nv = False
rollback_nv_per_vm = False
for conf in configs:
if (conf.name == "vmware.nested.virtualization" and conf.value == "false"):
config_update = Configurations.update(self.apiclient, "vmware.nested.virtualization", "true")
self.logger.debug("Updated global setting vmware.nested.virtualization to true")
rollback_nv = True
elif (conf.name == "vmware.nested.virtualization.perVM" and conf.value == "false"):
config_update = Configurations.update(self.apiclient, "vmware.nested.virtualization.perVM", "true")
self.logger.debug("Updated global setting vmware.nested.virtualization.perVM to true")
rollback_nv_per_vm = True
try:
# 2) Deploy a vm
virtual_machine = VirtualMachine.create(
self.apiclient,
self.services["small"],
accountid=self.account.name,
domainid=self.account.domainid,
serviceofferingid=self.service_offering.id,
mode=self.services['mode']
)
self.assertTrue(virtual_machine is not None, "VM failed to deploy")
self.assertTrue(virtual_machine.state == 'Running', "VM is not running")
self.logger.debug("Deployed vm: %s" % virtual_machine.id)
isolated_network = Network.create(
self.apiclient,
self.services["isolated_network"],
self.account.name,
self.account.domainid,
networkofferingid=self.isolated_network_offering.id)
virtual_machine.stop(self.apiclient)
virtual_machine.add_nic(self.apiclient, isolated_network.id)
virtual_machine.start(self.apiclient)
# 3) SSH into vm
ssh_client = virtual_machine.get_ssh_client()
if ssh_client:
# run ping test
result = ssh_client.execute("cat /proc/cpuinfo | grep flags")
self.logger.debug(result)
else:
self.fail("Failed to setup ssh connection to %s" % virtual_machine.public_ip)
# 4) Revert configurations, if needed
self.rollback_nested_configurations(rollback_nv, rollback_nv_per_vm)
#5) Check for CPU flags: vmx for Intel and svm for AMD indicates nested virtualization is enabled
self.assertTrue(result is not None, "Empty result for CPU flags")
res = str(result)
self.assertTrue('vmx' in res or 'svm' in res)
except Exception as e:
self.debug('Error=%s' % e)
self.rollback_nested_configurations(rollback_nv, rollback_nv_per_vm)
raise e
def rollback_nested_configurations(self, rollback_nv, rollback_nv_per_vm):
if rollback_nv:
config_update = Configurations.update(self.apiclient, "vmware.nested.virtualization", "false")
self.logger.debug("Reverted global setting vmware.nested.virtualization back to false")
if rollback_nv_per_vm:
config_update = Configurations.update(self.apiclient, "vmware.nested.virtualization.perVM", "false")
self.logger.debug("Reverted global setting vmware.nested.virtualization.perVM back to false")
@classmethod
def tearDownClass(cls):
try:
cleanup_resources(cls.apiclient, cls.cleanup)
except Exception as e:
raise Exception("Cleanup failed with %s" % e)