Ejemplo n.º 1
0
    def test_05_snapshot_events(self):
        """Test snapshot events
        """
        # Validate the following
        # 1. Perform snapshot on the root disk of this VM and check the events/alerts.
        # 2. delete the snapshots and check the events/alerts
        # 3. listEvents() shows created/deleted snapshot events

        # Get the Root disk of VM
        volumes = list_volumes(self.apiclient, virtualmachineid=self.virtual_machine.id, type="ROOT", listall=True)
        self.assertEqual(isinstance(volumes, list), True, "Check list response returns a valid list")
        volume = volumes[0]

        # Create a snapshot from the ROOTDISK
        snapshot = Snapshot.create(self.apiclient, volume.id)
        self.debug("Snapshot created with ID: %s" % snapshot.id)

        snapshots = list_snapshots(self.apiclient, id=snapshot.id)
        self.assertEqual(isinstance(snapshots, list), True, "Check list response returns a valid list")
        self.assertNotEqual(snapshots, None, "Check if result exists in list snapshots call")
        self.assertEqual(snapshots[0].id, snapshot.id, "Check snapshot id in list resources call")
        snapshot.delete(self.apiclient)

        # Sleep to ensure that snapshot is deleted properly
        time.sleep(self.services["sleep"])
        events = list_events(
            self.apiclient, account=self.account.name, domainid=self.account.domainid, type="SNAPSHOT.DELETE"
        )
        self.assertEqual(isinstance(events, list), True, "Check list response returns a valid list")
        self.assertNotEqual(events, None, "Check if event exists in list events call")
        self.assertIn(events[0].state, ["Completed", "Scheduled"], "Check events state in list events call")
        return
Ejemplo n.º 2
0
    def test_05_snapshot_events(self):
        """Test snapshot events
        """
        # Validate the following
        # 1. Perform snapshot on the root disk of this VM and
        #    check the events/alerts.
        # 2. delete the snapshots and check the events/alerts
        # 3. listEvents() shows created/deleted snapshot events

        if self.hypervisor.lower() in ['hyperv']:
            self.skipTest("Snapshots feature is not supported on Hyper-V")

        # Get the Root disk of VM
        volumes = list_volumes(self.apiclient,
                               virtualmachineid=self.virtual_machine.id,
                               type='ROOT',
                               listall=True)
        self.assertEqual(isinstance(volumes, list), True,
                         "Check list response returns a valid list")
        volume = volumes[0]

        # Create a snapshot from the ROOTDISK
        snapshot = Snapshot.create(self.apiclient, volume.id)
        self.debug("Snapshot created with ID: %s" % snapshot.id)

        snapshots = list_snapshots(self.apiclient, id=snapshot.id)
        self.assertEqual(isinstance(snapshots, list), True,
                         "Check list response returns a valid list")
        self.assertNotEqual(snapshots, None,
                            "Check if result exists in list snapshots call")
        self.assertEqual(snapshots[0].id, snapshot.id,
                         "Check snapshot id in list resources call")
        snapshot.delete(self.apiclient)

        # Sleep to ensure that snapshot is deleted properly
        time.sleep(self.services["sleep"])
        events = list_events(self.apiclient,
                             account=self.account.name,
                             domainid=self.account.domainid,
                             type='SNAPSHOT.DELETE')
        self.assertEqual(isinstance(events, list), True,
                         "Check list response returns a valid list")
        self.assertNotEqual(events, None,
                            "Check if event exists in list events call")
        self.assertIn(events[0].state, ['Completed', 'Scheduled'],
                      "Check events state in list events call")
        return
Ejemplo n.º 3
0
    def test_01_volume_snapshot(self):
        """ Test Volume (root) Snapshot
        # 1. Deploy a VM on primary storage and .
        # 2. Take snapshot on root disk
        # 3. Verify the snapshot's entry in the "snapshots" table 
                and presence of the corresponding 
                snapshot on the Secondary Storage
        # 4. Create Template from the Snapshot and Deploy a 
                VM using the Template
        # 5. Log in to the VM from template and make verify 
                the contents of the ROOT disk matches with the snapshot.
        # 6. Delete Snapshot and Deploy a Linux VM from the 
             Template and verify the successful deployment of the VM.
        # 7. Create multiple snapshots on the same volume and 
                Check the integrity of all the snapshots by creating 
                a template from the snapshot and deploying a Vm from it 
                and delete one of the snapshots
        # 8. Verify that the original checksum matches with the checksum 
                of VM's created from remaning snapshots
        # 9. Make verify the contents of the ROOT disk 
                matches with the snapshot
        # 10.Verify that Snapshot of both DATA and ROOT volume should 
                succeed when snapshot of Data disk of a VM is taken 
                when snapshot of ROOT volume of VM is in progress
        # 11.Create snapshot of data disk and verify the original checksum 
                matches with the volume created from snapshot
        # 12.Verify that volume's state should not change when snapshot of 
                a DATA volume is taken that is attached to a VM
        # 13.Verify that volume's state should not change when snapshot of 
                a DATA volume is taken that is not attached to a VM
        # 14.Verify that create Snapshot with quiescevm=True should succeed
        # 15.revertSnapshot() to revert VM to a specified 
                Volume snapshot for root volume
        """

        # Step 1
        # Get ROOT Volume Id
        root_volumes_cluster_list = list_volumes(self.apiclient,
                                                 virtualmachineid=self.vm_1.id,
                                                 type='ROOT',
                                                 listall=True)

        root_volume_cluster = root_volumes_cluster_list[0]

        disk_volumes_cluster_list = list_volumes(self.apiclient,
                                                 virtualmachineid=self.vm_1.id,
                                                 type='DATADISK',
                                                 listall=True)

        data_disk = disk_volumes_cluster_list[0]

        root_vol_state = root_volume_cluster.state

        ckecksum_random_root_cluster = createChecksum(
            service=self.testdata,
            virtual_machine=self.vm_1,
            disk=root_volume_cluster,
            disk_type="rootdiskdevice")

        self.vm_1.stop(self.apiclient)
        root_vol_snap = Snapshot.create(self.apiclient, root_volume_cluster.id)

        self.assertEqual(root_vol_snap.state, "BackedUp",
                         "Check if the snapshot state is correct ")

        self.assertEqual(root_vol_state, root_volume_cluster.state,
                         "Check if volume state has changed")

        self.vm_1.start(self.apiclient)
        # Step 2
        snapshot_list = list_snapshots(self.apiclient, id=root_vol_snap.id)

        self.assertNotEqual(snapshot_list, None,
                            "Check if result exists in list item call")
        self.assertEqual(snapshot_list[0].id, root_vol_snap.id,
                         "Check resource id in list resources call")

        self.assertTrue(
            is_snapshot_on_nfs(self.apiclient, self.dbclient, self.config,
                               self.zone.id, root_vol_snap.id))

        events = list_events(self.apiclient,
                             account=self.account.name,
                             domainid=self.account.domainid,
                             type='SNAPSHOT.CREATE')

        event_list_validation_result = validateList(events)

        self.assertEqual(
            event_list_validation_result[0], PASS,
            "event list validation failed due to %s" %
            event_list_validation_result[2])
        self.debug("Events list contains event SNAPSHOT.CREATE")

        qresultset = self.dbclient.execute(
            "select * from event where type='SNAPSHOT.CREATE' AND \
                    description like '%%%s%%' AND state='Completed';" %
            root_volume_cluster.id)

        event_validation_result = validateList(qresultset)

        self.assertEqual(
            event_validation_result[0], PASS,
            "event list validation failed due to %s" %
            event_validation_result[2])

        self.assertNotEqual(len(qresultset), 0, "Check DB Query result set")

        qresult = str(qresultset)
        self.assertEqual(
            qresult.count('SNAPSHOT.CREATE') > 0, True,
            "Check SNAPSHOT.CREATE event in events table")

        #Usage_Event
        qresultset = self.dbclient.execute(
            "select * from usage_event where type='SNAPSHOT.CREATE' AND \
                        resource_name='%s'" % root_vol_snap.name)

        usage_event_validation_result = validateList(qresultset)

        self.assertEqual(
            usage_event_validation_result[0], PASS,
            "event list validation failed due to %s" %
            usage_event_validation_result[2])

        self.assertNotEqual(len(qresultset), 0, "Check DB Query result set")

        self.assertEqual(
            self.dbclient.execute(
                "select size from usage_event where type='SNAPSHOT.CREATE' AND \
            resource_name='%s'" % root_vol_snap.name)[0][0],
            root_vol_snap.physicalsize)

        # Step 3
        # create template from snapshot root_vol_snap
        templateFromSnapshot = Template.create_from_snapshot(
            self.apiclient, root_vol_snap, self.testdata["template_2"])

        self.assertNotEqual(templateFromSnapshot, None,
                            "Check if result exists in list item call")

        vm_from_temp = VirtualMachine.create(
            self.apiclient,
            self.testdata["small"],
            templateid=templateFromSnapshot.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype)

        self.assertNotEqual(vm_from_temp, None,
                            "Check if result exists in list item call")

        compareChecksum(self.apiclient,
                        service=self.testdata,
                        original_checksum=ckecksum_random_root_cluster,
                        disk_type="rootdiskdevice",
                        virt_machine=vm_from_temp)
        vm_from_temp.delete(self.apiclient)
        # Step 4
        root_vol_snap.delete(self.userapiclient)

        self.assertEqual(
            list_snapshots(
                self.apiclient,
                volumeid=root_volume_cluster.id,
            ), None, "Snapshot list should be empty")

        events = list_events(self.apiclient,
                             account=self.account.name,
                             domainid=self.account.domainid,
                             type='SNAPSHOT.DELETE')

        event_list_validation_result = validateList(events)

        self.assertEqual(
            event_list_validation_result[0], PASS,
            "event list validation failed due to %s" %
            event_list_validation_result[2])

        self.debug("Events list contains event SNAPSHOT.DELETE")

        self.debug("select id from account where uuid = '%s';" %
                   self.account.id)

        qresultset = self.dbclient.execute(
            "select id from account where uuid = '%s';" % self.account.id)

        account_validation_result = validateList(qresultset)

        self.assertEqual(
            account_validation_result[0], PASS,
            "event list validation failed due to %s" %
            account_validation_result[2])

        self.assertNotEqual(len(qresultset), 0, "Check DB Query result set")
        qresult = qresultset[0]

        account_id = qresult[0]

        qresultset = self.dbclient.execute(
            "select * from event where type='SNAPSHOT.DELETE' AND \
                    account_id='%s' AND state='Completed';" % account_id)

        delete_snap_validation_result = validateList(qresultset)

        self.assertEqual(
            delete_snap_validation_result[0], PASS,
            "event list validation failed due to %s" %
            delete_snap_validation_result[2])

        self.assertNotEqual(len(qresultset), 0, "Check DB Query result set")

        qresult = str(qresultset)
        self.assertEqual(
            qresult.count('SNAPSHOT.DELETE') > 0, True,
            "Check SNAPSHOT.DELETE event in events table")

        # Step 5
        # delete snapshot and deploy vm from snapshot
        vm_from_temp_2 = VirtualMachine.create(
            self.userapiclient,
            self.testdata["small"],
            templateid=templateFromSnapshot.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype)

        self.assertNotEqual(vm_from_temp_2, None,
                            "Check if result exists in list item call")

        # Step 6:
        compareChecksum(self.apiclient,
                        service=self.testdata,
                        original_checksum=ckecksum_random_root_cluster,
                        disk_type="rootdiskdevice",
                        virt_machine=vm_from_temp_2)

        vm_from_temp_2.delete(self.apiclient)
        # Step 7
        # Multiple Snapshots
        self.vm_1.stop(self.apiclient)
        snaps = []
        for i in range(2):

            root_vol_snap = Snapshot.create(self.apiclient,
                                            root_volume_cluster.id)

            self.assertEqual(
                root_vol_snap.state, "BackedUp",
                "Check if the data vol snapshot state is correct ")

            snaps.append(root_vol_snap)

            templateFromSnapshot = Template.create_from_snapshot(
                self.apiclient, root_vol_snap, self.testdata["template_2"])

            self.assertNotEqual(templateFromSnapshot, None,
                                "Check if result exists in list item call")

            vm_from_temp = VirtualMachine.create(
                self.userapiclient,
                self.testdata["small"],
                templateid=templateFromSnapshot.id,
                accountid=self.account.name,
                domainid=self.account.domainid,
                serviceofferingid=self.service_offering.id,
                zoneid=self.zone.id,
                mode=self.zone.networktype)

            self.assertNotEqual(vm_from_temp, None,
                                "Check if result exists in list item call")

            compareChecksum(self.apiclient,
                            service=self.testdata,
                            original_checksum=ckecksum_random_root_cluster,
                            disk_type="rootdiskdevice",
                            virt_machine=vm_from_temp)
            vm_from_temp.delete(self.apiclient)
            templateFromSnapshot.delete(self.apiclient)

        self.vm_1.start(self.apiclient)

        delete_snap = snaps.pop(1)
        delete_snap.delete(self.apiclient)

        self.assertEqual(Snapshot.list(self.apiclient, id=delete_snap.id),
                         None, "Snapshot list should be empty")

        # Step 8
        for snap in snaps:

            templateFromSnapshot = Template.create_from_snapshot(
                self.apiclient, snap, self.testdata["template_2"])

            self.assertNotEqual(templateFromSnapshot, None,
                                "Check if result exists in list item call")

            vm_from_temp = VirtualMachine.create(
                self.userapiclient,
                self.testdata["small"],
                templateid=templateFromSnapshot.id,
                accountid=self.account.name,
                domainid=self.account.domainid,
                serviceofferingid=self.service_offering.id,
                zoneid=self.zone.id,
                mode=self.zone.networktype)

            self.assertNotEqual(vm_from_temp, None,
                                "Check if result exists in list item call")

            compareChecksum(self.apiclient,
                            service=self.testdata,
                            original_checksum=ckecksum_random_root_cluster,
                            disk_type="rootdiskdevice",
                            virt_machine=vm_from_temp)

            templateFromSnapshot.delete(self.apiclient)
            vm_from_temp.delete(self.apiclient)

        for snap in snaps:
            snap.delete(self.apiclient)

        # Step 9
        ckecksum_root_cluster = createChecksum(service=self.testdata,
                                               virtual_machine=self.vm_1,
                                               disk=root_volume_cluster,
                                               disk_type="rootdiskdevice")

        self.vm_1.stop(self.apiclient)

        root_vol_snap_2 = Snapshot.create(self.apiclient,
                                          root_volume_cluster.id)

        self.assertEqual(root_vol_snap_2.state, "BackedUp",
                         "Check if the data vol snapshot state is correct ")
        snap_list_validation_result = validateList(events)

        self.assertEqual(
            snap_list_validation_result[0], PASS,
            "snapshot list validation failed due to %s" %
            snap_list_validation_result[2])

        self.assertNotEqual(snapshot_list, None,
                            "Check if result exists in list item call")

        templateFromSnapshot = Template.create_from_snapshot(
            self.apiclient, root_vol_snap_2, self.testdata["template_2"])

        self.debug("create template event comlites with template %s name" %
                   templateFromSnapshot.name)

        self.assertNotEqual(templateFromSnapshot, None,
                            "Check if result exists in list item call")

        vm_from_temp_2 = VirtualMachine.create(
            self.userapiclient,
            self.testdata["small"],
            templateid=templateFromSnapshot.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype)

        self.assertNotEqual(vm_from_temp_2, None,
                            "Check if result exists in list item call")

        compareChecksum(self.apiclient,
                        service=self.testdata,
                        original_checksum=ckecksum_root_cluster,
                        disk_type="rootdiskdevice",
                        virt_machine=vm_from_temp_2)

        vm_from_temp_2.delete(self.apiclient)

        # Step 10
        # Take snapshot of Data disk of a VM , when snapshot of ROOT volume of
        # VM is in progress
        try:
            self.vm_1.stop(self.apiclient)

            t1 = Thread(target=Snapshot.create,
                        args=(self.apiclient, root_volume_cluster.id))

            t2 = Thread(target=Snapshot.create,
                        args=(self.apiclient, data_disk.id))

            t1.start()
            t2.start()
            t1.join()
            t2.join()

        except:
            self.debug("Error: unable to start thread")

        # Step 11
        # Data Disk
        self.vm_1.start(self.apiclient)
        ckecksum_data_disk = createChecksum(service=self.testdata,
                                            virtual_machine=self.vm_1,
                                            disk=data_disk,
                                            disk_type="datadiskdevice_1")

        data_vol_state = data_disk.state

        self.vm_1.stop(self.apiclient)

        data_vol_snap = Snapshot.create(self.apiclient, data_disk.id)

        self.assertEqual(data_vol_snap.state, "BackedUp",
                         "Check if the data vol snapshot state is correct ")

        self.assertEqual(data_vol_state, data_disk.state,
                         "Check if volume state has changed")

        data_snapshot_list = list_snapshots(self.apiclient,
                                            id=data_vol_snap.id)

        self.assertNotEqual(data_snapshot_list, None,
                            "Check if result exists in list item call")
        self.assertEqual(data_snapshot_list[0].id, data_vol_snap.id,
                         "Check resource id in list resources call")

        self.assertTrue(
            is_snapshot_on_nfs(self.apiclient, self.dbclient, self.config,
                               self.zone.id, data_vol_snap.id))

        events = list_events(self.apiclient,
                             account=self.account.name,
                             domainid=self.account.domainid,
                             type='SNAPSHOT.CREATE')

        event_list_validation_result = validateList(events)

        self.assertEqual(
            event_list_validation_result[0], PASS,
            "event list validation failed due to %s" %
            event_list_validation_result[2])
        self.debug("Events list contains event SNAPSHOT.CREATE")

        self.testdata["volume"]["zoneid"] = self.zone.id
        volumeFromSnap = Volume.create_from_snapshot(
            self.apiclient,
            data_vol_snap.id,
            self.testdata["volume"],
            account=self.account.name,
            domainid=self.account.domainid,
        )

        self.assertTrue(
            is_snapshot_on_nfs(self.apiclient, self.dbclient, self.config,
                               self.zone.id, data_vol_snap.id))

        new_vm = VirtualMachine.create(
            self.userapiclient,
            self.testdata["small"],
            templateid=self.template.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype)

        new_vm.attach_volume(self.apiclient, volumeFromSnap)

        new_vm.reboot(self.apiclient)

        compareChecksum(self.apiclient,
                        service=self.testdata,
                        original_checksum=ckecksum_data_disk,
                        disk_type="datadiskdevice_1",
                        virt_machine=new_vm)

        # Step 12
        data_volume_2 = Volume.create(self.apiclient,
                                      self.testdata["volume"],
                                      zoneid=self.zone.id,
                                      account=self.account.name,
                                      domainid=self.account.domainid,
                                      diskofferingid=self.disk_offering.id)

        self.vm_1.start(self.apiclient)
        self.vm_1.attach_volume(self.userapiclient, data_volume_2)

        self.vm_1.reboot(self.apiclient)
        self.vm_1.stop(self.apiclient)

        data_vol_snap_1 = Snapshot.create(self.apiclient, data_volume_2.id)

        self.assertEqual(data_vol_snap_1.state, "BackedUp",
                         "Check if the snapshot state is correct ")

        data_disk_2_list = Volume.list(self.userapiclient,
                                       listall=self.testdata["listall"],
                                       id=data_volume_2.id)

        self.vm_1.start(self.apiclient)

        checksum_data_2 = createChecksum(service=self.testdata,
                                         virtual_machine=self.vm_1,
                                         disk=data_disk_2_list[0],
                                         disk_type="datadiskdevice_2")

        # Step 13
        self.vm_1.detach_volume(self.apiclient, data_volume_2)

        self.vm_1.reboot(self.apiclient)

        prev_state = data_volume_2.state

        data_vol_snap_2 = Snapshot.create(self.apiclient, data_volume_2.id)

        self.assertEqual(data_vol_snap_2.state, prev_state,
                         "Check if the volume state is correct ")

        data_snapshot_list_2 = list_snapshots(self.apiclient,
                                              id=data_vol_snap_2.id)

        self.assertNotEqual(data_snapshot_list_2, None,
                            "Check if result exists in list item call")

        self.assertEqual(data_snapshot_list_2[0].id, data_vol_snap_2.id,
                         "Check resource id in list resources call")

        self.testdata["volume"]["zoneid"] = self.zone.id
        volumeFromSnap_2 = Volume.create_from_snapshot(
            self.apiclient,
            data_vol_snap_2.id,
            self.testdata["volume"],
            account=self.account.name,
            domainid=self.account.domainid,
        )

        self.vm_2.attach_volume(self.userapiclient, volumeFromSnap_2)

        self.vm_2.reboot(self.apiclient)

        data_disk_2_list = Volume.list(self.userapiclient,
                                       listall=self.testdata["listall"],
                                       id=volumeFromSnap_2.id)

        compareChecksum(self.apiclient,
                        service=self.testdata,
                        original_checksum=checksum_data_2,
                        disk_type="datadiskdevice_2",
                        virt_machine=self.vm_2)

        # Step 14
        self.vm_1.stop(self.apiclient)
        with self.assertRaises(Exception):
            root_vol_snap.revertVolToSnapshot(self.apiclient)

        # Step 15
        root_snap = Snapshot.create(self.apiclient, root_volume_cluster.id)

        with self.assertRaises(Exception):
            root_snap.revertVolToSnapshot(self.apiclient)

        return
    def test_01_volume_snapshot(self):
        """ Test Volume (root) Snapshot
        # 1. Deploy a VM on primary storage and .
        # 2. Take snapshot on root disk
        # 3. Verify the snapshot's entry in the "snapshots" table 
                and presence of the corresponding 
                snapshot on the Secondary Storage
        # 4. Create Template from the Snapshot and Deploy a 
                VM using the Template
        # 5. Log in to the VM from template and make verify 
                the contents of the ROOT disk matches with the snapshot.
        # 6. Delete Snapshot and Deploy a Linux VM from the 
             Template and verify the successful deployment of the VM.
        # 7. Create multiple snapshots on the same volume and 
                Check the integrity of all the snapshots by creating 
                a template from the snapshot and deploying a Vm from it 
                and delete one of the snapshots
        # 8. Verify that the original checksum matches with the checksum 
                of VM's created from remaning snapshots
        # 9. Make verify the contents of the ROOT disk 
                matches with the snapshot
        # 10.Verify that Snapshot of both DATA and ROOT volume should 
                succeed when snapshot of Data disk of a VM is taken 
                when snapshot of ROOT volume of VM is in progress
        # 11.Create snapshot of data disk and verify the original checksum 
                matches with the volume created from snapshot
        # 12.Verify that volume's state should not change when snapshot of 
                a DATA volume is taken that is attached to a VM
        # 13.Verify that volume's state should not change when snapshot of 
                a DATA volume is taken that is not attached to a VM
        # 14.Verify that create Snapshot with quiescevm=True should succeed
        # 15.revertSnapshot() to revert VM to a specified 
                Volume snapshot for root volume
        """

        # Step 1
        # Get ROOT Volume Id
        root_volumes_cluster_list = list_volumes(
            self.apiclient,
            virtualmachineid=self.vm_1.id,
            type='ROOT',
            listall=True
        )

        root_volume_cluster = root_volumes_cluster_list[0]

        disk_volumes_cluster_list = list_volumes(
            self.apiclient,
            virtualmachineid=self.vm_1.id,
            type='DATADISK',
            listall=True
        )

        data_disk = disk_volumes_cluster_list[0]

        root_vol_state = root_volume_cluster.state

        ckecksum_random_root_cluster = createChecksum(
            service=self.testdata,
            virtual_machine=self.vm_1,
            disk=root_volume_cluster,
            disk_type="rootdiskdevice")

        self.vm_1.stop(self.apiclient)
        root_vol_snap = Snapshot.create(
            self.apiclient,
            root_volume_cluster.id)

        self.assertEqual(
            root_vol_snap.state,
            "BackedUp",
            "Check if the snapshot state is correct "
        )

        self.assertEqual(
            root_vol_state,
            root_volume_cluster.state,
            "Check if volume state has changed"
        )

        self.vm_1.start(self.apiclient)
        # Step 2
        snapshot_list = list_snapshots(
            self.apiclient,
            id=root_vol_snap.id
        )

        self.assertNotEqual(
            snapshot_list,
            None,
            "Check if result exists in list item call"
        )
        self.assertEqual(
            snapshot_list[0].id,
            root_vol_snap.id,
            "Check resource id in list resources call"
        )

        self.assertTrue(
            is_snapshot_on_nfs(
                self.apiclient,
                self.dbclient,
                self.config,
                self.zone.id,
                root_vol_snap.id))

        events = list_events(
            self.apiclient,
            account=self.account.name,
            domainid=self.account.domainid,
            type='SNAPSHOT.CREATE')

        event_list_validation_result = validateList(events)

        self.assertEqual(
            event_list_validation_result[0],
            PASS,
            "event list validation failed due to %s" %
            event_list_validation_result[2])
        self.debug("Events list contains event SNAPSHOT.CREATE")

        qresultset = self.dbclient.execute(
            "select * from event where type='SNAPSHOT.CREATE' AND \
                    description like '%%%s%%' AND state='Completed';" %
            root_volume_cluster.id)

        event_validation_result = validateList(qresultset)

        self.assertEqual(
            event_validation_result[0],
            PASS,
            "event list validation failed due to %s" %
            event_validation_result[2])

        self.assertNotEqual(
            len(qresultset),
            0,
            "Check DB Query result set"
        )

        qresult = str(qresultset)
        self.assertEqual(
            qresult.count('SNAPSHOT.CREATE') > 0,
            True,
            "Check SNAPSHOT.CREATE event in events table"
        )

        #Usage_Event
        qresultset = self.dbclient.execute(
                "select * from usage_event where type='SNAPSHOT.CREATE' AND \
                        resource_name='%s'" %
                root_vol_snap.name)

        usage_event_validation_result = validateList(qresultset)

        self.assertEqual(
               usage_event_validation_result[0],
               PASS,
               "event list validation failed due to %s" %
               usage_event_validation_result[2])

        self.assertNotEqual(
               len(qresultset),
               0,
               "Check DB Query result set"
              )

        self.assertEqual(
            self.dbclient.execute("select size from usage_event where type='SNAPSHOT.CREATE' AND \
            resource_name='%s'" %
            root_vol_snap.name)[0][0],
            root_vol_snap.physicalsize)

        # Step 3
        # create template from snapshot root_vol_snap
        templateFromSnapshot = Template.create_from_snapshot(
            self.apiclient,
            root_vol_snap,
            self.testdata["template_2"])

        self.assertNotEqual(
            templateFromSnapshot,
            None,
            "Check if result exists in list item call"
        )

        vm_from_temp = VirtualMachine.create(
            self.apiclient,
            self.testdata["small"],
            templateid=templateFromSnapshot.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype
        )

        self.assertNotEqual(
            vm_from_temp,
            None,
            "Check if result exists in list item call"
        )

        compareChecksum(
            self.apiclient,
            service=self.testdata,
            original_checksum=ckecksum_random_root_cluster,
            disk_type="rootdiskdevice",
            virt_machine=vm_from_temp
        )
        vm_from_temp.delete(self.apiclient)
        # Step 4
        root_vol_snap.delete(self.userapiclient)

        self.assertEqual(
            list_snapshots(
                self.apiclient,
                volumeid=root_volume_cluster.id,
            ), None, "Snapshot list should be empty")

        events = list_events(
            self.apiclient,
            account=self.account.name,
            domainid=self.account.domainid,
            type='SNAPSHOT.DELETE')

        event_list_validation_result = validateList(events)

        self.assertEqual(
            event_list_validation_result[0],
            PASS,
            "event list validation failed due to %s" %
            event_list_validation_result[2])

        self.debug("Events list contains event SNAPSHOT.DELETE")

        self.debug("select id from account where uuid = '%s';"
                   % self.account.id)

        qresultset = self.dbclient.execute(
            "select id from account where uuid = '%s';"
            % self.account.id
        )

        account_validation_result = validateList(qresultset)

        self.assertEqual(
            account_validation_result[0],
            PASS,
            "event list validation failed due to %s" %
            account_validation_result[2])

        self.assertNotEqual(
            len(qresultset),
            0,
            "Check DB Query result set"
        )
        qresult = qresultset[0]

        account_id = qresult[0]

        qresultset = self.dbclient.execute(
            "select * from event where type='SNAPSHOT.DELETE' AND \
                    account_id='%s' AND state='Completed';" %
            account_id)

        delete_snap_validation_result = validateList(qresultset)

        self.assertEqual(
            delete_snap_validation_result[0],
            PASS,
            "event list validation failed due to %s" %
            delete_snap_validation_result[2])

        self.assertNotEqual(
            len(qresultset),
            0,
            "Check DB Query result set"
        )

        qresult = str(qresultset)
        self.assertEqual(
            qresult.count('SNAPSHOT.DELETE') > 0,
            True,
            "Check SNAPSHOT.DELETE event in events table"
        )

        # Step 5
        # delete snapshot and deploy vm from snapshot
        vm_from_temp_2 = VirtualMachine.create(
            self.apiclient,
            self.testdata["small"],
            templateid=templateFromSnapshot.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype
        )

        self.assertNotEqual(
            vm_from_temp_2,
            None,
            "Check if result exists in list item call"
        )

        # Step 6:
        compareChecksum(
            self.apiclient,
            service=self.testdata,
            original_checksum=ckecksum_random_root_cluster,
            disk_type="rootdiskdevice",
            virt_machine=vm_from_temp_2
        )

        vm_from_temp_2.delete(self.apiclient)
        # Step 7
        # Multiple Snapshots
        self.vm_1.stop(self.apiclient)
        snaps = []
        for i in range(2):

            root_vol_snap = Snapshot.create(
                self.apiclient,
                root_volume_cluster.id)

            self.assertEqual(
                root_vol_snap.state,
                "BackedUp",
                "Check if the data vol snapshot state is correct "
            )

            snaps.append(root_vol_snap)

            templateFromSnapshot = Template.create_from_snapshot(
                self.apiclient,
                root_vol_snap,
                self.testdata["template_2"])

            self.assertNotEqual(
                templateFromSnapshot,
                None,
                "Check if result exists in list item call"
            )

            vm_from_temp = VirtualMachine.create(
                self.apiclient,
                self.testdata["small"],
                templateid=templateFromSnapshot.id,
                accountid=self.account.name,
                domainid=self.account.domainid,
                serviceofferingid=self.service_offering.id,
                zoneid=self.zone.id,
                mode=self.zone.networktype
            )

            self.assertNotEqual(
                vm_from_temp,
                None,
                "Check if result exists in list item call"
            )

            compareChecksum(
                self.apiclient,
                service=self.testdata,
                original_checksum=ckecksum_random_root_cluster,
                disk_type="rootdiskdevice",
                virt_machine=vm_from_temp
            )
            vm_from_temp.delete(self.apiclient)
            templateFromSnapshot.delete(self.apiclient)

        self.vm_1.start(self.apiclient)

        delete_snap = snaps.pop(1)
        delete_snap.delete(self.apiclient)

        self.assertEqual(
            Snapshot.list(
                self.apiclient,
                id=delete_snap.id
            ), None, "Snapshot list should be empty")

        # Step 8
        for snap in snaps:

            templateFromSnapshot = Template.create_from_snapshot(
                self.apiclient,
                snap,
                self.testdata["template_2"])

            self.assertNotEqual(
                templateFromSnapshot,
                None,
                "Check if result exists in list item call"
            )

            vm_from_temp = VirtualMachine.create(
                self.apiclient,
                self.testdata["small"],
                templateid=templateFromSnapshot.id,
                accountid=self.account.name,
                domainid=self.account.domainid,
                serviceofferingid=self.service_offering.id,
                zoneid=self.zone.id,
                mode=self.zone.networktype
            )

            self.assertNotEqual(
                vm_from_temp,
                None,
                "Check if result exists in list item call"
            )

            compareChecksum(
                self.apiclient,
                service=self.testdata,
                original_checksum=ckecksum_random_root_cluster,
                disk_type="rootdiskdevice",
                virt_machine=vm_from_temp
            )

            templateFromSnapshot.delete(self.apiclient)
            vm_from_temp.delete(self.apiclient)

        for snap in snaps:
            snap.delete(self.apiclient)

        # Step 9
        ckecksum_root_cluster = createChecksum(
            service=self.testdata,
            virtual_machine=self.vm_1,
            disk=root_volume_cluster,
            disk_type="rootdiskdevice")

        self.vm_1.stop(self.apiclient)

        root_vol_snap_2 = Snapshot.create(
            self.apiclient,
            root_volume_cluster.id)

        self.assertEqual(
            root_vol_snap_2.state,
            "BackedUp",
            "Check if the data vol snapshot state is correct "
        )
        snap_list_validation_result = validateList(events)

        self.assertEqual(
            snap_list_validation_result[0],
            PASS,
            "snapshot list validation failed due to %s" %
            snap_list_validation_result[2])

        self.assertNotEqual(
            snapshot_list,
            None,
            "Check if result exists in list item call"
        )

        templateFromSnapshot = Template.create_from_snapshot(
            self.apiclient,
            root_vol_snap_2,
            self.testdata["template_2"])

        self.debug(
            "create template event comlites with template %s name" %
            templateFromSnapshot.name)

        self.assertNotEqual(
            templateFromSnapshot,
            None,
            "Check if result exists in list item call"
        )

        vm_from_temp_2 = VirtualMachine.create(
            self.apiclient,
            self.testdata["small"],
            templateid=templateFromSnapshot.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype
        )

        self.assertNotEqual(
            vm_from_temp_2,
            None,
            "Check if result exists in list item call"
        )

        compareChecksum(
            self.apiclient,
            service=self.testdata,
            original_checksum=ckecksum_root_cluster,
            disk_type="rootdiskdevice",
            virt_machine=vm_from_temp_2
        )

        vm_from_temp_2.delete(self.apiclient)

        # Step 10
        # Take snapshot of Data disk of a VM , when snapshot of ROOT volume of 
        # VM is in progress
        try:
            self.vm_1.stop(self.apiclient)

            t1 = Thread(
                target=Snapshot.create,
                args=(
                    self.apiclient,
                    root_volume_cluster.id
                ))

            t2 = Thread(
                target=Snapshot.create,
                args=(
                    self.apiclient,
                    data_disk.id
                ))

            t1.start()
            t2.start()
            t1.join()
            t2.join()

        except:
            self.debug("Error: unable to start thread")

        # Step 11
        # Data Disk
        self.vm_1.start(self.apiclient)
        ckecksum_data_disk = createChecksum(
            service=self.testdata,
            virtual_machine=self.vm_1,
            disk=data_disk,
            disk_type="datadiskdevice_1")

        data_vol_state = data_disk.state

        self.vm_1.stop(self.apiclient)

        data_vol_snap = Snapshot.create(
            self.apiclient,
            data_disk.id)

        self.assertEqual(
            data_vol_snap.state,
            "BackedUp",
            "Check if the data vol snapshot state is correct "
        )

        self.assertEqual(
            data_vol_state,
            data_disk.state,
            "Check if volume state has changed"
        )

        data_snapshot_list = list_snapshots(
            self.apiclient,
            id=data_vol_snap.id
        )

        self.assertNotEqual(
            data_snapshot_list,
            None,
            "Check if result exists in list item call"
        )
        self.assertEqual(
            data_snapshot_list[0].id,
            data_vol_snap.id,
            "Check resource id in list resources call"
        )

        self.assertTrue(
            is_snapshot_on_nfs(
                self.apiclient,
                self.dbclient,
                self.config,
                self.zone.id,
                data_vol_snap.id))

        events = list_events(
            self.apiclient,
            account=self.account.name,
            domainid=self.account.domainid,
            type='SNAPSHOT.CREATE')

        event_list_validation_result = validateList(events)

        self.assertEqual(
            event_list_validation_result[0],
            PASS,
            "event list validation failed due to %s" %
            event_list_validation_result[2])
        self.debug("Events list contains event SNAPSHOT.CREATE")

        volumeFromSnap = Volume.create_from_snapshot(
            self.apiclient,
            data_vol_snap.id,
            self.testdata["volume"],
            account=self.account.name,
            domainid=self.account.domainid,
            zoneid=self.zone.id
        )

        self.assertTrue(
            is_snapshot_on_nfs(
                self.apiclient,
                self.dbclient,
                self.config,
                self.zone.id,
                data_vol_snap.id))

        new_vm = VirtualMachine.create(
            self.userapiclient,
            self.testdata["small"],
            templateid=self.template.id,
            accountid=self.account.name,
            domainid=self.account.domainid,
            serviceofferingid=self.service_offering.id,
            zoneid=self.zone.id,
            mode=self.zone.networktype
        )

        new_vm.attach_volume(
            self.apiclient,
            volumeFromSnap
        )

        new_vm.reboot(self.apiclient)

        compareChecksum(
            self.apiclient,
            service=self.testdata,
            original_checksum=ckecksum_data_disk,
            disk_type="datadiskdevice_1",
            virt_machine=new_vm
        )

        # Step 12
        data_volume_2 = Volume.create(
            self.apiclient,
            self.testdata["volume"],
            zoneid=self.zone.id,
            account=self.account.name,
            domainid=self.account.domainid,
            diskofferingid=self.disk_offering.id
        )

        self.vm_1.start(self.apiclient)
        self.vm_1.attach_volume(
            self.userapiclient,
            data_volume_2
        )

        self.vm_1.reboot(self.apiclient)       
        self.vm_1.stop(self.apiclient)

        data_vol_snap_1 = Snapshot.create(
            self.apiclient,
            data_volume_2.id)

        self.assertEqual(
            data_vol_snap_1.state,
            "BackedUp",
            "Check if the snapshot state is correct "
        )

        data_disk_2_list = Volume.list(
            self.userapiclient,
            listall=self.testdata["listall"],
            id=data_volume_2.id
        )

        self.vm_1.start(self.apiclient)

        checksum_data_2 = createChecksum(
            service=self.testdata,
            virtual_machine=self.vm_1,
            disk=data_disk_2_list[0],
            disk_type="datadiskdevice_2")

        # Step 13
        self.vm_1.detach_volume(self.apiclient,
                           data_volume_2)

        self.vm_1.reboot(self.apiclient)

        prev_state = data_volume_2.state

        data_vol_snap_2 = Snapshot.create(
            self.apiclient,
            data_volume_2.id)

        self.assertEqual(
            data_vol_snap_2.state,
            prev_state,
            "Check if the volume state is correct "
        )

        data_snapshot_list_2 = list_snapshots(
            self.apiclient,
            id=data_vol_snap_2.id
        )

        self.assertNotEqual(
            data_snapshot_list_2,
            None,
            "Check if result exists in list item call"
        )

        self.assertEqual(
            data_snapshot_list_2[0].id,
            data_vol_snap_2.id,
            "Check resource id in list resources call"
        )

        volumeFromSnap_2 = Volume.create_from_snapshot(
            self.apiclient,
            data_vol_snap_2.id,
            self.testdata["volume"],
            account=self.account.name,
            domainid=self.account.domainid,
            zoneid=self.zone.id
        )

        self.vm_2.attach_volume(
            self.userapiclient,
            volumeFromSnap_2
        )

        self.vm_2.reboot(self.apiclient)

        data_disk_2_list = Volume.list(
            self.userapiclient,
            listall=self.testdata["listall"],
            id=volumeFromSnap_2.id
        )

        compareChecksum(
            self.apiclient,
            service=self.testdata,
            original_checksum=checksum_data_2,
            disk_type="datadiskdevice_2",
            virt_machine=self.vm_2
        )

        # Step 14
        self.vm_1.stop(self.apiclient)
        with self.assertRaises(Exception):
            root_vol_snap.revertVolToSnapshot(self.apiclient)

        # Step 15
        root_snap = Snapshot.create(
            self.apiclient,
            root_volume_cluster.id)

        with self.assertRaises(Exception):
            root_snap.revertVolToSnapshot(self.apiclient)

        return