def test_incremental_backup_with_backup_mode(tmp_dirs): vm = FakeVm() dom = FakeDomainAdapter() fake_disks = create_fake_disks(vm, backup_mode=backup.MODE_FULL) # start full backup config = { 'backup_id': BACKUP_1_ID, 'disks': fake_disks, 'to_checkpoint_id': CHECKPOINT_1_ID } backup.start_backup(vm, dom, config) backup.stop_backup(vm, dom, BACKUP_1_ID) # start incremental backup socket = backup.socket_path(BACKUP_2_ID) scratch1 = scratch_disk_path(vm, BACKUP_2_ID, "sda") scratch2 = scratch_disk_path(vm, BACKUP_2_ID, "vda") dom.output_checkpoints = [CHECKPOINT_1] # Set vda disk backup_mode to 'incremental' for disk in fake_disks: if disk["imageID"] == IMAGE_2_UUID: disk["backup_mode"] = backup.MODE_INCREMENTAL config = { 'backup_id': BACKUP_2_ID, 'disks': fake_disks, 'from_checkpoint_id': CHECKPOINT_1_ID, 'to_checkpoint_id': CHECKPOINT_2_ID, } backup.start_backup(vm, dom, config) backup_xml = f""" <domainbackup mode='pull'> <incremental>{CHECKPOINT_1_ID}</incremental> <server transport='unix' socket='{socket}'/> <disks> <disk name='sda' backup='yes' type='file' backupmode='full' exportname='sda' index='9'> <driver type='qcow2'/> <scratch file='{scratch1}'> <seclabel model='dac' relabel='no'/> </scratch> </disk> <disk name='vda' backup='yes' type='file' backupmode='incremental' incremental='{CHECKPOINT_1_ID}' exportname='vda' index='10'> <driver type='qcow2'/> <scratch file='{scratch2}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> </disks> </domainbackup> """ assert normalized(dom.backupGetXMLDesc()) == normalized(backup_xml)
def test_failed_delete_checkpoint(): error_msg = "Internal delete error" dom = FakeDomainAdapter() checkpoint_2 = FakeCheckpoint(CHECKPOINT_2_XML, CHECKPOINT_2_ID, dom=dom) # simulating an error that raised when calling the delete method # of a specific checkpoint checkpoint_2.errors["delete"] = fake.libvirt_error( [libvirt.VIR_ERR_INTERNAL_ERROR, '', error_msg], "Fake libvirt error") dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_1_XML, CHECKPOINT_1_ID, dom=dom), checkpoint_2 ] vm = FakeVm() res = backup.delete_checkpoints(vm, dom, [CHECKPOINT_1_ID, CHECKPOINT_2_ID]) expected_result = { 'checkpoint_ids': [CHECKPOINT_1_ID], 'error': { 'code': 1, 'message': error_msg } } assert res["result"] == expected_result res = backup.list_checkpoints(vm, dom) assert res["result"] == [CHECKPOINT_2_ID]
def test_dump_missing_checkpoint(): dom = FakeDomainAdapter() dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_1_XML, CHECKPOINT_1_ID), ] with pytest.raises(exception.NoSuchCheckpointError): backup.dump_checkpoint(dom, CHECKPOINT_2_ID)
def test_incremental_backup_with_backup_mode(tmp_backupdir, tmp_basedir): vm = FakeVm() dom = FakeDomainAdapter() fake_disks = create_fake_disks(backup_mode=backup.MODE_FULL) # start full backup config = { 'backup_id': BACKUP_1_ID, 'disks': fake_disks, 'to_checkpoint_id': CHECKPOINT_1_ID } backup.start_backup(vm, dom, config) backup.stop_backup(vm, dom, BACKUP_1_ID) # start incremental backup socket_path = backup.socket_path(BACKUP_2_ID) scratch_disk_paths = _get_scratch_disks_path(BACKUP_2_ID) expected_xml = """ <domainbackup mode='pull'> <incremental>{}</incremental> <server transport='unix' socket='{}'/> <disks> <disk backupmode="full" name='sda' type='file'> <scratch file='{}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> <disk backupmode="incremental" incremental='{}' name='vda' type='file'> <scratch file='{}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> </disks> </domainbackup> """.format(CHECKPOINT_1_ID, socket_path, scratch_disk_paths[0], CHECKPOINT_1_ID, scratch_disk_paths[1]) dom.output_checkpoints = [CHECKPOINT_1] # Set vda disk backup_mode to 'incremental' for disk in fake_disks: if disk["imageID"] == IMAGE_2_UUID: disk["backup_mode"] = backup.MODE_INCREMENTAL config = { 'backup_id': BACKUP_2_ID, 'disks': fake_disks, 'from_checkpoint_id': CHECKPOINT_1_ID, 'to_checkpoint_id': CHECKPOINT_2_ID, 'parent_checkpoint_id': CHECKPOINT_1_ID } backup.start_backup(vm, dom, config) assert indented(expected_xml) == indented(dom.input_backup_xml)
def test_dump_checkpoint_lookup_failed(): dom = FakeDomainAdapter() dom.errors["checkpointLookupByName"] = fake.libvirt_error( [libvirt.VIR_ERR_INTERNAL_ERROR], "Fake libvirt error") dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_1_XML, CHECKPOINT_1_ID), FakeCheckpoint(CHECKPOINT_2_XML, CHECKPOINT_2_ID) ] with pytest.raises(libvirt.libvirtError) as e: backup.dump_checkpoint(dom, CHECKPOINT_1_ID) assert e.value.get_error_code() == libvirt.VIR_ERR_INTERNAL_ERROR
def test_dump_checkpoint(): dom = FakeDomainAdapter() dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_1_XML, CHECKPOINT_1_ID), FakeCheckpoint(CHECKPOINT_2_XML, CHECKPOINT_2_ID) ] for checkpoint_cfg in FAKE_CHECKPOINT_CFG: res = backup.dump_checkpoint(dom, checkpoint_cfg['id']) expected_result = {'checkpoint': checkpoint_cfg['xml']} assert res["result"] == expected_result
def test_delete_one_checkpoint(): dom = FakeDomainAdapter() dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_1_XML, CHECKPOINT_1_ID, dom=dom), FakeCheckpoint(CHECKPOINT_2_XML, CHECKPOINT_2_ID, dom=dom) ] vm = FakeVm() res = backup.delete_checkpoints(vm, dom, [CHECKPOINT_1_ID]) expected_result = {'checkpoint_ids': [CHECKPOINT_1_ID]} assert res["result"] == expected_result res = backup.list_checkpoints(vm, dom) assert res["result"] == [CHECKPOINT_2_ID]
def test_dump_checkpoint_get_xml_failed(): checkpoint_2 = FakeCheckpoint(CHECKPOINT_2_XML, CHECKPOINT_2_ID) # simulating an error that raised when calling the getXMLDesc method # of a specific checkpoint checkpoint_2.errors["getXMLDesc"] = fake.libvirt_error( [libvirt.VIR_ERR_INTERNAL_ERROR, '', 'Internal get XML error'], "Fake libvirt error") dom = FakeDomainAdapter() dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_1_XML, CHECKPOINT_1_ID), checkpoint_2 ] with pytest.raises(libvirt.libvirtError) as e: backup.dump_checkpoint(dom, CHECKPOINT_2_ID) assert e.value.get_error_code() == libvirt.VIR_ERR_INTERNAL_ERROR
def test_delete_missing_checkpoint(): dom = FakeDomainAdapter() dom.output_checkpoints = [ FakeCheckpoint(CHECKPOINT_2_XML, CHECKPOINT_2_ID, dom=dom) ] vm = FakeVm() res = backup.delete_checkpoints(vm, dom, [CHECKPOINT_1_ID, CHECKPOINT_2_ID]) expected_result = {'checkpoint_ids': [CHECKPOINT_1_ID, CHECKPOINT_2_ID]} # validate that the missing checkpoint reported as # successfully removed assert res["result"] == expected_result res = backup.list_checkpoints(vm, dom) assert res["result"] == []
def test_incremental_backup(tmp_backupdir, tmp_basedir): vm = FakeVm() dom = FakeDomainAdapter() fake_disks = create_fake_disks() # start full backup config = { 'backup_id': BACKUP_1_ID, 'disks': fake_disks, 'to_checkpoint_id': CHECKPOINT_1_ID } res = backup.start_backup(vm, dom, config) assert dom.backing_up result_disks = res['result']['disks'] verify_backup_urls(BACKUP_1_ID, result_disks) backup.stop_backup(vm, dom, BACKUP_1_ID) assert not dom.backing_up verify_scratch_disks_removed(vm) # start incremental backup socket_path = backup.socket_path(BACKUP_2_ID) scratch_disk_paths = _get_scratch_disks_path(BACKUP_2_ID) expected_xml = """ <domainbackup mode='pull'> <incremental>{}</incremental> <server transport='unix' socket='{}'/> <disks> <disk name='sda' type='file'> <scratch file='{}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> <disk name='vda' type='file'> <scratch file='{}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> </disks> </domainbackup> """.format(CHECKPOINT_1_ID, socket_path, scratch_disk_paths[0], scratch_disk_paths[1]) dom.output_checkpoints = [CHECKPOINT_1] config = { 'backup_id': BACKUP_2_ID, 'disks': fake_disks, 'from_checkpoint_id': CHECKPOINT_1_ID, 'to_checkpoint_id': CHECKPOINT_2_ID, 'parent_checkpoint_id': CHECKPOINT_1_ID } res = backup.start_backup(vm, dom, config) assert dom.backing_up assert indented(expected_xml) == indented(dom.input_backup_xml) assert indented(CHECKPOINT_2_XML) == (indented(dom.input_checkpoint_xml)) verify_scratch_disks_exists(vm, BACKUP_2_ID) # verify that the vm froze and thawed during the backup assert vm.froze assert vm.thawed result_disks = res['result']['disks'] verify_backup_urls(BACKUP_2_ID, result_disks) backup.stop_backup(vm, dom, BACKUP_2_ID) verify_scratch_disks_removed(vm)
def test_incremental_backup(tmp_dirs): vm = FakeVm() dom = FakeDomainAdapter() fake_disks = create_fake_disks(vm) # start full backup config = { 'backup_id': BACKUP_1_ID, 'disks': fake_disks, 'to_checkpoint_id': CHECKPOINT_1_ID } res = backup.start_backup(vm, dom, config) assert dom.backing_up result_disks = res['result']['disks'] verify_backup_urls(vm, BACKUP_1_ID, result_disks) backup.stop_backup(vm, dom, BACKUP_1_ID) assert not dom.backing_up verify_scratch_disks_removed(vm) # start incremental backup socket = backup.socket_path(BACKUP_2_ID) scratch1 = scratch_disk_path(vm, BACKUP_2_ID, "sda") scratch2 = scratch_disk_path(vm, BACKUP_2_ID, "vda") dom.output_checkpoints = [CHECKPOINT_1] config = { 'backup_id': BACKUP_2_ID, 'disks': fake_disks, 'from_checkpoint_id': CHECKPOINT_1_ID, 'to_checkpoint_id': CHECKPOINT_2_ID, } res = backup.start_backup(vm, dom, config) assert dom.backing_up backup_xml = f""" <domainbackup mode='pull'> <incremental>{CHECKPOINT_1_ID}</incremental> <server transport='unix' socket='{socket}'/> <disks> <disk name='sda' backup='yes' type='file' backupmode='incremental' incremental='{CHECKPOINT_1_ID}' exportname='sda' index='9'> <driver type="qcow2"/> <scratch file='{scratch1}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> <disk name='vda' backup='yes' type='file' backupmode='incremental' incremental='{CHECKPOINT_1_ID}' exportname='vda' index='10'> <driver type="qcow2"/> <scratch file='{scratch2}'> <seclabel model="dac" relabel="no"/> </scratch> </disk> </disks> </domainbackup> """ assert normalized(dom.backupGetXMLDesc()) == normalized(backup_xml) assert normalized(CHECKPOINT_2_XML) == (normalized( dom.input_checkpoint_xml)) verify_scratch_disks_exists(vm, BACKUP_2_ID) # verify that the vm froze and thawed during the backup assert vm.froze assert vm.thawed result_disks = res['result']['disks'] verify_backup_urls(vm, BACKUP_2_ID, result_disks) backup.stop_backup(vm, dom, BACKUP_2_ID) verify_scratch_disks_removed(vm)