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364 lines
15 KiB
Python
364 lines
15 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#Import Local Modules
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from marvin.cloudstackAPI import *
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from marvin.cloudstackTestCase import cloudstackTestCase
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from marvin.lib.utils import (validateList)
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from marvin.lib.base import (ServiceOffering,
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VirtualMachine,
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Host,
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StoragePool,
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Account,
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Volume,
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DiskOffering,
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)
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from marvin.lib.common import (get_domain,
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get_zone,
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get_suitable_test_template,
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find_storage_pool_type)
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from marvin.codes import (
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PASS,
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FAILED,
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JOB_FAILED,
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JOB_CANCELLED,
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JOB_SUCCEEDED
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)
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from nose.plugins.attrib import attr
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import time
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class TestMultipleVolumeAttach(cloudstackTestCase):
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@classmethod
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def setUpClass(cls):
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testClient = super(TestMultipleVolumeAttach, cls).getClsTestClient()
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cls.apiclient = testClient.getApiClient()
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cls.services = testClient.getParsedTestDataConfig()
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cls._cleanup = []
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# Get Zone, Domain and templates
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cls.domain = get_domain(cls.apiclient)
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cls.zone = get_zone(cls.apiclient, testClient.getZoneForTests())
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cls.services['mode'] = cls.zone.networktype
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cls.hypervisor = testClient.getHypervisorInfo()
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cls.invalidStoragePoolType = False
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#for LXC if the storage pool of type 'rbd' ex: ceph is not available, skip the test
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if cls.hypervisor.lower() == 'lxc':
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if not find_storage_pool_type(cls.apiclient, storagetype='rbd'):
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# RBD storage type is required for data volumes for LXC
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cls.invalidStoragePoolType = True
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return
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cls.disk_offering = DiskOffering.create(
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cls.apiclient,
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cls.services["disk_offering"]
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)
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cls._cleanup.append(cls.disk_offering)
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template = get_suitable_test_template(
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cls.apiclient,
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cls.zone.id,
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cls.services["ostype"],
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cls.hypervisor)
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if template == FAILED:
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assert False, "get_suitable_test_template() failed to return template with description %s" % cls.services["ostype"]
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cls.services["domainid"] = cls.domain.id
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cls.services["zoneid"] = cls.zone.id
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cls.services["template"] = template.id
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cls.services["diskofferingid"] = cls.disk_offering.id
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# Create VMs, VMs etc
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cls.account = Account.create(
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cls.apiclient,
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cls.services["account"],
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domainid=cls.domain.id
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)
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cls._cleanup.append(cls.account)
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cls.service_offering = ServiceOffering.create(
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cls.apiclient,
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cls.services["service_offering"]
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)
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cls._cleanup.append(cls.service_offering)
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cls.virtual_machine = VirtualMachine.create(
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cls.apiclient,
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cls.services,
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accountid=cls.account.name,
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domainid=cls.account.domainid,
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serviceofferingid=cls.service_offering.id,
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mode=cls.services["mode"]
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)
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cls._cleanup.append(cls.virtual_machine)
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#Create volumes (data disks)
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cls.volume1 = Volume.create(
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cls.apiclient,
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cls.services,
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account=cls.account.name,
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domainid=cls.account.domainid
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)
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cls._cleanup.append(cls.volume1)
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cls.volume2 = Volume.create(
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cls.apiclient,
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cls.services,
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account=cls.account.name,
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domainid=cls.account.domainid
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)
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cls._cleanup.append(cls.volume2)
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cls.volume3 = Volume.create(
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cls.apiclient,
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cls.services,
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account=cls.account.name,
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domainid=cls.account.domainid
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)
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cls._cleanup.append(cls.volume3)
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cls.volume4 = Volume.create(
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cls.apiclient,
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cls.services,
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account=cls.account.name,
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domainid=cls.account.domainid
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)
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cls._cleanup.append(cls.volume4)
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cls.volume5 = Volume.create(
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cls.apiclient,
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cls.services,
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account=cls.account.name,
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domainid=cls.account.domainid
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)
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cls._cleanup.append(cls.volume5)
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cls.volume6 = Volume.create(
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cls.apiclient,
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cls.services,
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account=cls.account.name,
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domainid=cls.account.domainid
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)
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cls._cleanup.append(cls.volume6)
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@classmethod
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def tearDownClass(cls):
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super(TestMultipleVolumeAttach, cls).tearDownClass()
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def setUp(self):
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self.apiClient = self.testClient.getApiClient()
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self.dbclient = self.testClient.getDbConnection()
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self.cleanup = []
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if self.invalidStoragePoolType:
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self.skipTest("Skipping test because valid storage pool not\
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available")
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def tearDown(self):
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self.detach_volume(self.volume1)
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self.detach_volume(self.volume2)
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self.detach_volume(self.volume3)
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self.detach_volume(self.volume4)
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self.detach_volume(self.volume5)
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self.detach_volume(self.volume6)
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super(TestMultipleVolumeAttach, self).tearDown
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# Method to attach volume but will return immediately as an asynchronous task does.
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def attach_volume(self, virtualmachineid, volume):
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"""Attach volume to instance"""
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cmd = attachVolume.attachVolumeCmd()
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cmd.isAsync = "false"
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cmd.id = volume.id
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cmd.virtualmachineid = virtualmachineid
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return self.apiClient.attachVolume(cmd)
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# Method to detach a volume.
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def detach_volume(self, volume):
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"""Detach volume from instance"""
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cmd = detachVolume.detachVolumeCmd()
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cmd.id = volume.id
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try:
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self.apiClient.detachVolume(cmd)
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except Exception as e:
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self.debug("======exception e %s " % e)
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if "The specified volume is not attached to a VM." not in str(e):
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raise e
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# list Primare storage pools
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def check_storage_pools(self, virtualmachineid):
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"""
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list storage pools available to the VM
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"""
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vm = VirtualMachine.list(self.apiClient, id=virtualmachineid)[0]
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hostid = vm.histid
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host = Host.list(self.apiClient, id=hostid)[0]
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clusterid = host.clusterid
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storage_pools = StoragePool.list(self.apiClient, clusterid=clusterid)
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if len(storage_pools) < 2:
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self.skipTest("at least two accessible primary storage pools needed for the vm to perform this test")
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return storage_pools
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# Method to check the volume attach async jobs' status
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def query_async_job(self, jobid):
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"""Query the status for Async Job"""
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try:
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asyncTimeout = 3600
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cmd = queryAsyncJobResult.queryAsyncJobResultCmd()
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cmd.jobid = jobid
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timeout = asyncTimeout
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async_response = FAILED
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while timeout > 0:
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async_response = self.apiClient.queryAsyncJobResult(cmd)
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if async_response != FAILED:
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job_status = async_response.jobstatus
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if job_status in [JOB_CANCELLED,
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JOB_SUCCEEDED]:
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break
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elif job_status == JOB_FAILED:
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raise Exception("Job failed: %s" \
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% async_response)
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time.sleep(5)
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timeout -= 5
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self.debug("=== JobId: %s is Still Processing, "
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"Will TimeOut in: %s ====" % (str(jobid),
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str(timeout)))
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return async_response
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except Exception as e:
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self.debug("==== Exception Occurred for Job: %s ====" %
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str(e))
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return FAILED
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@attr(tags = ["advanced", "advancedns", "basic", "blob"], required_hardware="true")
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def test_attach_multiple_volumes(self):
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"""Attach multiple Volumes simultaneously to a Running VM
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"""
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# Validate the following
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# 1. All data disks attached successfully without any exception
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self.debug(
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"Attaching volume (ID: %s) to VM (ID: %s)" % (
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self.volume1.id,
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self.virtual_machine.id
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))
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vol1_jobId = self.attach_volume(self.virtual_machine.id,self.volume1)
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self.debug(
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"Attaching volume (ID: %s) to VM (ID: %s)" % (
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self.volume2.id,
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self.virtual_machine.id
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))
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vol2_jobId = self.attach_volume(self.virtual_machine.id, self.volume2)
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self.debug(
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"Attaching volume (ID: %s) to VM (ID: %s)" % (
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self.volume3.id,
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self.virtual_machine.id
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))
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vol3_jobId = self.attach_volume(self.virtual_machine.id, self.volume3)
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self.debug(
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"Attaching volume (ID: %s) to VM (ID: %s)" % (
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self.volume4.id,
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self.virtual_machine.id
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))
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vol4_jobId = self.attach_volume(self.virtual_machine.id, self.volume4)
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self.query_async_job(vol1_jobId.jobid)
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self.query_async_job(vol2_jobId.jobid)
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self.query_async_job(vol3_jobId.jobid)
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self.query_async_job(vol4_jobId.jobid)
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# List all the volumes attached to the instance. Includes even the Root disk.
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list_volume_response = Volume.list(
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self.apiClient,
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virtualmachineid=self.virtual_machine.id,
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type="DATADISK",
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account=self.account.name,
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domainid=self.account.domainid
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)
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self.debug("====== test paralalisation : %s ===" % str(list_volume_response).replace("}, {", "},\n {"))
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self.assertEqual(
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validateList(list_volume_response)[0],
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PASS,
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"Check list response returns a valid list"
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)
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self.assertEqual(
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len(list_volume_response),
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4,
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"All 4 data disks are not attached to VM Successfully"
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)
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return
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@attr(tags = ["advanced", "advancedns", "basic", "bla"], required_hardware="true")
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def test_attach_and_distribute_multiple_volumes(self):
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"""
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Test volume distribution over storages
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Given multiple primary storage pools
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Attach multiple Volumes to a VM
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check to see if these do not all end up on the same storage pool
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"""
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storage_pools = self.check_storage_pools(self.virtual_machine.id)
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storage_usage={}
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for storage_pool in storage_pools:
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storage_usage[storage_pool.name] = 0
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self.debug("====== test pools for usage : %s ===" % str(storage_usage).replace("}, {", "},\n {"))
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vol1_jobId = self.attach_volume(self.virtual_machine.id,self.volume1)
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vol2_jobId = self.attach_volume(self.virtual_machine.id,self.volume2)
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vol3_jobId = self.attach_volume(self.virtual_machine.id,self.volume3)
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vol4_jobId = self.attach_volume(self.virtual_machine.id,self.volume4)
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vol5_jobId = self.attach_volume(self.virtual_machine.id,self.volume5)
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vol6_jobId = self.attach_volume(self.virtual_machine.id,self.volume6)
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self.query_async_job(vol1_jobId.jobid)
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self.query_async_job(vol2_jobId.jobid)
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self.query_async_job(vol3_jobId.jobid)
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self.query_async_job(vol4_jobId.jobid)
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self.query_async_job(vol5_jobId.jobid)
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self.query_async_job(vol6_jobId.jobid)
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volumes = Volume.list(self.apiClient,
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virtualmachineid=self.virtual_machine.id,
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type="DATADISK",
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account=self.account.name,
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domainid=self.account.domainid
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)
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self.debug("====== test distribution : %s ===" % str(volumes).replace("}, {", "},\n {"))
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for volume in volumes:
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self.debug("====== checking storage : %s ===" % str(volume))
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storage_usage[volume.storage] += 1
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self.debug("====== test distribution : %s ===" % str(storage_usage).replace("}, {", "},\n {"))
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# TODO decide what an acceptable 'random' distribution is
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# all of the loads on storages should be less than the number of volumes for a distribution to exist (statistically this may fail once every 6⁵ runs (7776)
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self.assertEqual(
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len(volumes),
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6,
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"All 6 data disks are not attached to VM Successfully"
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)
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for storage_use in storage_usage:
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self.assertTrue(
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storage_usage[storage_use] < 6,
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"not all volumes should be on one storage: %s" % storage_use)
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return
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