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			541 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			541 lines
		
	
	
		
			18 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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| """ Test cases for Delta Snapshots Test Path
 | |
| """
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| 
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| from nose.plugins.attrib import attr
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| from marvin.cloudstackTestCase import cloudstackTestCase
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| from marvin.lib.utils import (cleanup_resources,
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|                               validateList,
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|                               is_snapshot_on_nfs)
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| from marvin.lib.base import (Account,
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|                              ServiceOffering,
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|                              Template,
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|                              VirtualMachine,
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|                              Volume,
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|                              Configurations,
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|                              Snapshot
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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_template,
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|                                list_volumes,
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|                                createChecksum,
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|                                compareChecksum
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|                                )
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| from marvin.sshClient import SshClient
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| from marvin.codes import (PASS, FAIL, BACKED_UP, ROOT, DATA)
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| import time
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| 
 | |
| 
 | |
| def checkIntegrityOfSnapshot(
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|         self, snapshotsToRestore, checksumToCompare, disk_type=ROOT):
 | |
|     """
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|     Check integrity of snapshot created of ROOT or DATA Disk:
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| 
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|     If ROOT Disk: Deploy a Vm from a template created from the snapshot
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|                   and checking the contents of the ROOT disk.
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|     If DATA Disk: Users can create a volume from the snapshot.
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|                   The volume can then be mounted to a VM and files
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|                   recovered as needed.
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| 
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|     Inputs:
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|     1. snapshotsToRestore: Snapshots whose integrity is
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|                            to be checked.
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| 
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|     2. checksumToCompare:  The contents of ROOT Disk to be compared.
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| 
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|     3. disk_type:          The type of disk - ROOT or DATA Disk
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|                            of which snapshot was created.
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| 
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|     """
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|     if disk_type == ROOT:
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|         # Create template from snapshot
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|         template_from_snapshot = Template.create_from_snapshot(
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|             self.apiclient,
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|             snapshotsToRestore,
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|             self.testdata["template_2"])
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| 
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|         self.assertNotEqual(
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|             template_from_snapshot,
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|             None,
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|             "Check if result exists in list item call"
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|         )
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| 
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|         # Deploy VM
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|         vm_from_temp = VirtualMachine.create(
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|             self.apiclient,
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|             self.testdata["small"],
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|             templateid=template_from_snapshot.id,
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|             accountid=self.account.name,
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|             domainid=self.account.domainid,
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|             serviceofferingid=self.service_offering.id,
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|             zoneid=self.zone.id,
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|             mode=self.zone.networktype
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|         )
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| 
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|         self.assertNotEqual(
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|             vm_from_temp,
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|             None,
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|             "Check if result exists in list item call"
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|         )
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| 
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|         # Verify contents of ROOT disk match with snapshot
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| 
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|         compareChecksum(
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|             self.apiclient,
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|             service=self.testdata,
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|             original_checksum=checksumToCompare,
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|             disk_type="rootdiskdevice",
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|             virt_machine=vm_from_temp
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|         )
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| 
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|         vm_from_temp.delete(self.apiclient)
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|         template_from_snapshot.delete(self.apiclient)
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|     else:
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|         volumeFormSnap = Volume.create_from_snapshot(
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|             self.apiclient,
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|             snapshotsToRestore.id,
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|             self.testdata["volume"],
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|             account=self.account.name,
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|             domainid=self.account.domainid,
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|             zoneid=self.zone.id
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|         )
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| 
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|         temp_vm = VirtualMachine.create(
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|             self.apiclient,
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|             self.testdata["small"],
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|             templateid=self.template.id,
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|             accountid=self.account.name,
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|             domainid=self.account.domainid,
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|             serviceofferingid=self.service_offering.id,
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|             zoneid=self.zone.id,
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|             mode=self.zone.networktype
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|         )
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|         temp_vm.attach_volume(
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|             self.apiclient,
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|             volumeFormSnap
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|         )
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| 
 | |
|         temp_vm.reboot(self.apiclient)
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| 
 | |
|         compareChecksum(
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|             self.apiclient,
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|             self.testdata,
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|             checksumToCompare,
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|             "datadiskdevice_1",
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|             temp_vm
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|         )
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| 
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|         temp_vm.delete(self.apiclient)
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|         volumeFormSnap.delete(self.apiclient)
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| 
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|     return
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| 
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| 
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| class TestDeltaSnapshots(cloudstackTestCase):
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| 
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|     @classmethod
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|     def setUpClass(cls):
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|         testClient = super(TestDeltaSnapshots, cls).getClsTestClient()
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|         cls.apiclient = testClient.getApiClient()
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|         cls.testdata = testClient.getParsedTestDataConfig()
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|         cls.hypervisor = cls.testClient.getHypervisorInfo()
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| 
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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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| 
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|         cls.template = get_template(
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|             cls.apiclient,
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|             cls.zone.id,
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|             cls.testdata["ostype"])
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| 
 | |
|         cls.snapshots_created = []
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|         cls._cleanup = []
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| 
 | |
|         cls.mgtSvrDetails = cls.config.__dict__["mgtSvr"][0].__dict__
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|         cls.skiptest = False
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| 
 | |
|         if cls.hypervisor.lower() not in ["xenserver"]:
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|             cls.skiptest = True
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| 
 | |
|         try:
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| 
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|             # Create an account
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|             cls.account = Account.create(
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|                 cls.apiclient,
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|                 cls.testdata["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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| 
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|             # Create user api client of the account
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|             cls.userapiclient = testClient.getUserApiClient(
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|                 UserName=cls.account.name,
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|                 DomainName=cls.account.domain
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|             )
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| 
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|             # Create Service offering
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|             cls.service_offering = ServiceOffering.create(
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|                 cls.apiclient,
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|                 cls.testdata["service_offering"],
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|             )
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|             cls._cleanup.append(cls.service_offering)
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| 
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|             if cls.testdata["configurableData"][
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|                     "restartManagementServerThroughTestCase"]:
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|                 # Set snapshot delta max value
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|                 Configurations.update(cls.apiclient,
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|                                       name="snapshot.delta.max",
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|                                       value="3"
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|                                       )
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| 
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|                 # Restart management server
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|                 cls.RestartServer()
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|                 time.sleep(120)
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| 
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|             configs = Configurations.list(
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|                 cls.apiclient,
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|                 name="snapshot.delta.max")
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|             cls.delta_max = configs[0].value
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| 
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|             cls.vm = VirtualMachine.create(
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|                 cls.apiclient,
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|                 cls.testdata["small"],
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|                 templateid=cls.template.id,
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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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|                 zoneid=cls.zone.id,
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|                 mode=cls.zone.networktype
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|             )
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| 
 | |
|         except Exception as e:
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|             cls.tearDownClass()
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|             raise e
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|         return
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| 
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|     @classmethod
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|     def tearDownClass(cls):
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|         try:
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|             cleanup_resources(cls.apiclient, cls._cleanup)
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|         except Exception as e:
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|             raise Exception("Warning: Exception during cleanup : %s" % e)
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| 
 | |
|     def setUp(self):
 | |
|         if self.skiptest:
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|             self.skipTest(
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|                 "Delta snapshot not supported on %s" %
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|                 self.hypervisor)
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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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| 
 | |
|     def tearDown(self):
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|         try:
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|             for snapshot in self.snapshots_created:
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|                 snapshot.delete(self.apiclient)
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|             cleanup_resources(self.apiclient, self.cleanup)
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|         except Exception as e:
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|             raise Exception("Warning: Exception during cleanup : %s" % e)
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|         return
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| 
 | |
|     @classmethod
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|     def RestartServer(cls):
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|         """Restart management server"""
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| 
 | |
|         sshClient = SshClient(
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|             cls.mgtSvrDetails["mgtSvrIp"],
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|             22,
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|             cls.mgtSvrDetails["user"],
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|             cls.mgtSvrDetails["passwd"]
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|         )
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|         command = "service cloudstack-management restart"
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|         sshClient.execute(command)
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| 
 | |
|         return
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| 
 | |
|     @attr(tags=["advanced", "basic"], required_hardware="true")
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|     def test_01_delta_snapshots(self):
 | |
|         """ Delta Snapshots
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|             1. Create file on ROOT disk of deployed VM.
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|             2. Create Snapshot of ROOT disk.
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|             3. Verify secondary storage count.
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|             4. Check integrity of Full Snapshot.
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|             5. Delete delta snaphshot and check integrity of\
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|                remaining snapshots.
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|             6. Delete full snapshot and verify it is deleted from\
 | |
|                secondary storage.
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|         """
 | |
|         checksum_created = []
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|         full_snapshot_count = 0
 | |
|         delta_snapshot_count = 0
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| 
 | |
|         # Mulitply delta max value by 2 to set loop counter
 | |
|         # to create 2 Snapshot chains
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|         snapshot_loop_count = int(self.delta_max) * 2
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| 
 | |
|         # Get ROOT Volume
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|         root_volumes_list = list_volumes(
 | |
|             self.apiclient,
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|             virtualmachineid=self.vm.id,
 | |
|             type=ROOT,
 | |
|             listall=True
 | |
|         )
 | |
| 
 | |
|         status = validateList(root_volumes_list)
 | |
|         self.assertEqual(
 | |
|             status[0],
 | |
|             PASS,
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|             "Check listVolumes response for ROOT Disk")
 | |
| 
 | |
|         root_volume = root_volumes_list[0]
 | |
| 
 | |
|         # Get Secondary Storage Value from Database
 | |
|         qryresult_before_snapshot = self.dbclient.execute(
 | |
|             " select id, account_name, secondaryStorageTotal\
 | |
|                     from account_view where account_name = '%s';" %
 | |
|             self.account.name)
 | |
| 
 | |
|         self.assertNotEqual(
 | |
|             len(qryresult_before_snapshot),
 | |
|             0,
 | |
|             "Check sql query to return SecondaryStorageTotal of account")
 | |
| 
 | |
|         storage_qry_result_old = qryresult_before_snapshot[0]
 | |
|         secondary_storage_old = storage_qry_result_old[2]
 | |
| 
 | |
|         # Create Snapshots
 | |
| 
 | |
|         for i in range(snapshot_loop_count):
 | |
| 
 | |
|             # Step 1
 | |
|             checksum_root = createChecksum(
 | |
|                 self.testdata,
 | |
|                 self.vm,
 | |
|                 root_volume,
 | |
|                 "rootdiskdevice")
 | |
| 
 | |
|             time.sleep(30)
 | |
|             checksum_created.append(checksum_root)
 | |
| 
 | |
|             # Step 2
 | |
|             root_vol_snapshot = Snapshot.create(
 | |
|                 self.apiclient,
 | |
|                 root_volume.id)
 | |
| 
 | |
|             self.snapshots_created.append(root_vol_snapshot)
 | |
| 
 | |
|             snapshots_list = Snapshot.list(self.apiclient,
 | |
|                                            id=root_vol_snapshot.id)
 | |
| 
 | |
|             status = validateList(snapshots_list)
 | |
|             self.assertEqual(status[0], PASS, "Check listSnapshots response")
 | |
| 
 | |
|             # Verify Snapshot state
 | |
|             self.assertEqual(
 | |
|                 snapshots_list[0].state.lower() in [
 | |
|                     BACKED_UP,
 | |
|                 ],
 | |
|                 True,
 | |
|                 "Snapshot state is not as expected. It is %s" %
 | |
|                 snapshots_list[0].state
 | |
|             )
 | |
| 
 | |
|             self.assertEqual(
 | |
|                 snapshots_list[0].volumeid,
 | |
|                 root_volume.id,
 | |
|                 "Snapshot volume id is not matching with the vm's volume id")
 | |
| 
 | |
|             # Step 3
 | |
|             qryresult_after_snapshot = self.dbclient.execute(
 | |
|                 " select id, account_name, secondaryStorageTotal\
 | |
|                         from account_view where account_name = '%s';" %
 | |
|                 self.account.name)
 | |
| 
 | |
|             self.assertNotEqual(
 | |
|                 len(qryresult_after_snapshot),
 | |
|                 0,
 | |
|                 "Check sql query to return SecondaryStorageTotal of account")
 | |
| 
 | |
|             storage_qry_result_from_database = qryresult_after_snapshot[0]
 | |
|             secondary_storage_from_database = storage_qry_result_from_database[
 | |
|                 2]
 | |
| 
 | |
|             snapshot_size = snapshots_list[0].physicalsize
 | |
|             secondary_storage_after_snapshot = secondary_storage_old + \
 | |
|                 snapshot_size
 | |
| 
 | |
|             # Reset full_snapshot_count to 0 before start of new snapshot chain
 | |
|             if delta_snapshot_count == (int(self.delta_max) - 1):
 | |
|                 full_snapshot_count = 0
 | |
|                 delta_snapshot_count = 0
 | |
| 
 | |
|             # Full Snapshot of each Snapshot chain
 | |
|             if full_snapshot_count == 0:
 | |
| 
 | |
|                 full_snapshot_count += 1
 | |
|                 full_snapshot_size = snapshot_size
 | |
| 
 | |
|                 # Check secondary storage count for Full Snapshots
 | |
|                 self.assertEqual(
 | |
|                     secondary_storage_from_database,
 | |
|                     secondary_storage_after_snapshot,
 | |
|                     "Secondary storage count after full snapshot\
 | |
|                                 should be incremented by size of snapshot.")
 | |
|                 # Step 4
 | |
|                 checkIntegrityOfSnapshot(
 | |
|                     self,
 | |
|                     snapshots_list[0],
 | |
|                     checksum_root,
 | |
|                     disk_type=DATA)
 | |
| 
 | |
|             else:
 | |
| 
 | |
|                 # Delta Snapshot of each Snapshot chain
 | |
|                 delta_snapshot_count += 1
 | |
|                 delta_snapshot_size = snapshot_size
 | |
| 
 | |
|                 # Check secondary storage count for Delta Snapshots
 | |
|                 self.assertTrue(delta_snapshot_size < full_snapshot_size,
 | |
|                                 "Delta Snapshot size should be less than\
 | |
|                                 Full Snapshot.")
 | |
| 
 | |
|                 self.assertEqual(
 | |
|                     secondary_storage_from_database,
 | |
|                     secondary_storage_after_snapshot,
 | |
|                     "Secondary storage count after delta snapshot\
 | |
|                                 should be incremented by size of snapshot.")
 | |
| 
 | |
|             secondary_storage_old = secondary_storage_from_database
 | |
| 
 | |
|         # Step 5
 | |
| 
 | |
|         # Check in Secondary Storage- Snapshots: S1, S2, S3 are present
 | |
|         for i in range(int(self.delta_max)):
 | |
|             self.assertTrue(
 | |
|                 is_snapshot_on_nfs(
 | |
|                     self.apiclient,
 | |
|                     self.dbclient,
 | |
|                     self.config,
 | |
|                     self.zone.id,
 | |
|                     self.snapshots_created[i].id),
 | |
|                 "Check: Snapshot is not on Secondary Storage.")
 | |
| 
 | |
|         # Delete S2
 | |
| 
 | |
|         Snapshot.delete(self.snapshots_created[1], self.apiclient)
 | |
| 
 | |
|         snapshots_list = Snapshot.list(self.apiclient,
 | |
|                                        id=self.snapshots_created[1].id)
 | |
| 
 | |
|         status = validateList(snapshots_list)
 | |
|         self.assertEqual(status[0], FAIL, "Snapshots Not Deleted.")
 | |
| 
 | |
|         # Check integrity of Snapshots for S1 and S3
 | |
|         checkIntegrityOfSnapshot(
 | |
|             self,
 | |
|             self.snapshots_created[0],
 | |
|             checksum_created[0],
 | |
|             disk_type=DATA)
 | |
| 
 | |
|         checkIntegrityOfSnapshot(
 | |
|             self,
 | |
|             self.snapshots_created[2],
 | |
|             checksum_created[2],
 | |
|             disk_type=DATA)
 | |
| 
 | |
|         # Delete S3
 | |
| 
 | |
|         Snapshot.delete(self.snapshots_created[2], self.apiclient)
 | |
| 
 | |
|         snapshots_list = Snapshot.list(self.apiclient,
 | |
|                                        id=self.snapshots_created[2].id)
 | |
| 
 | |
|         status = validateList(snapshots_list)
 | |
|         self.assertEqual(status[0], FAIL, "Snapshots Not Deleted.")
 | |
| 
 | |
|         # Check in Secondary Storage - Snapshots: S2, S3 are deleted
 | |
|         self.assertFalse(
 | |
|             is_snapshot_on_nfs(
 | |
|                 self.apiclient,
 | |
|                 self.dbclient,
 | |
|                 self.config,
 | |
|                 self.zone.id,
 | |
|                 self.snapshots_created[2].id),
 | |
|             "Check: Snapshot 2 is still on Secondary Storage. Not Deleted.")
 | |
| 
 | |
|         self.assertFalse(
 | |
|             is_snapshot_on_nfs(
 | |
|                 self.apiclient,
 | |
|                 self.dbclient,
 | |
|                 self.config,
 | |
|                 self.zone.id,
 | |
|                 self.snapshots_created[1].id),
 | |
|             "Check: Snapshot 3 is still on Secondary Storage. Not Deleted.")
 | |
| 
 | |
|         # Restore Snapshots for S1
 | |
|         checkIntegrityOfSnapshot(
 | |
|             self,
 | |
|             self.snapshots_created[0],
 | |
|             checksum_created[0],
 | |
|             disk_type=DATA)
 | |
| 
 | |
|         # Step 6
 | |
|         # Delete S1
 | |
| 
 | |
|         Snapshot.delete(self.snapshots_created[0], self.apiclient)
 | |
| 
 | |
|         snapshots_list = Snapshot.list(self.apiclient,
 | |
|                                        id=self.snapshots_created[0].id)
 | |
| 
 | |
|         status = validateList(snapshots_list)
 | |
|         self.assertEqual(status[0], FAIL, "Snapshots Not Deleted.")
 | |
| 
 | |
|         # Check in Secondary Storage - Snapshots: All - S1, S2, S3 are deleted
 | |
| 
 | |
|         self.assertFalse(
 | |
|             is_snapshot_on_nfs(
 | |
|                 self.apiclient,
 | |
|                 self.dbclient,
 | |
|                 self.config,
 | |
|                 self.zone.id,
 | |
|                 self.snapshots_created[2].id),
 | |
|             "Check: Snapshot 3 is still on Secondary Storage. Not Deleted.")
 | |
| 
 | |
|         self.assertFalse(
 | |
|             is_snapshot_on_nfs(
 | |
|                 self.apiclient,
 | |
|                 self.dbclient,
 | |
|                 self.config,
 | |
|                 self.zone.id,
 | |
|                 self.snapshots_created[1].id),
 | |
|             "Check: Snapshot 2 is still on Secondary Storage. Not Deleted.")
 | |
| 
 | |
|         self.assertFalse(
 | |
|             is_snapshot_on_nfs(
 | |
|                 self.apiclient,
 | |
|                 self.dbclient,
 | |
|                 self.config,
 | |
|                 self.zone.id,
 | |
|                 self.snapshots_created[0].id),
 | |
|             "Check: Snapshot 1 is still on Secondary Storage. Not Deleted.")
 | |
| 
 | |
|         return
 | |
| 
 |