def test_find_by_group_name(self): display_manager = FakeDisplayManager(None) output = utils.find_resource(display_manager, 'entity_three', is_group=True, list_volume=True) self.assertEqual(display_manager.get('4242', list_volume=True), output)
def find_volume_snapshot(cs, snapshot): """Gets a volume snapshot by name or ID.""" return utils.find_resource(cs.volume_snapshots, snapshot)
def find_qos_specs(cs, qos_specs): """Gets a qos specs by ID.""" return utils.find_resource(cs.qos_specs, qos_specs)
def test_find_by_str_id(self): output = utils.find_resource(self.manager, "1234") self.assertEqual(output, self.manager.get("1234"))
def test_find_by_str_name(self): output = utils.find_resource(self.manager, 'entity_one') self.assertEqual(self.manager.get('1234'), output)
def _find_qos_specs(cs, qos_specs): """Gets a qos specs by ID.""" return utils.find_resource(cs.qos_specs, qos_specs)
def test_find_by_str_displayname(self): output = utils.find_resource(self.manager, "entity_three") self.assertEqual(self.manager.get("4242"), output)
def _find_volume(cs, volume): """Get a volume by ID.""" return utils.find_resource(cs.volumes, volume)
def _find_backup(cs, backup): """Get a backup by ID.""" return utils.find_resource(cs.backups, backup)
def _find_volume_snapshot(cs, snapshot): """Get a volume snapshot by ID.""" return utils.find_resource(cs.volume_snapshots, snapshot)
def test_find_by_str_id(self): output = utils.find_resource(self.manager, '1234') self.assertEqual(output, self.manager.get('1234'))
def test_find_by_group_id(self): output = utils.find_resource(self.manager, 1234, is_group=True, list_volume=True) self.assertEqual(self.manager.get('1234', list_volume=True), output)
def find_gtype(cs, gtype): """Gets a group type by name or ID.""" return utils.find_resource(cs.group_types, gtype)
def find_consistencygroup(cs, consistencygroup): """Gets a consistency group by name or ID.""" return utils.find_resource(cs.consistencygroups, consistencygroup)
def _find_transfer(cs, transfer): """Get a transfer by ID.""" return utils.find_resource(cs.transfers, transfer)
def test_find_by_uuid(self): output = utils.find_resource(self.manager, UUID) self.assertEqual(self.manager.get(UUID), output)
def find_group(cs, group): """Gets a group by name or ID.""" return utils.find_resource(cs.groups, group)
def _find_backup(cs, backup): """Gets a backup by name or ID.""" return utils.find_resource(cs.backups, backup)
def find_group_snapshot(cs, group_snapshot): """Gets a group_snapshot by name or ID.""" return utils.find_resource(cs.group_snapshots, group_snapshot)
def test_find_by_integer_id(self): output = utils.find_resource(self.manager, 1234) self.assertEqual(self.manager.get('1234'), output)
def find_message(cs, message): """Gets a message by ID.""" return utils.find_resource(cs.messages, message)
def find_transfer(cs, transfer): """Gets a transfer by name or ID.""" return utils.find_resource(cs.transfers, transfer)
def find_group(cs, group, **kwargs): """Gets a group by name or ID.""" kwargs['is_group'] = True return utils.find_resource(cs.groups, group, **kwargs)
def find_vtype(cs, vtype): """Gets a volume type by name or ID.""" return utils.find_resource(cs.volume_types, vtype)
def find_cgsnapshot(cs, cgsnapshot): """Gets a cgsnapshot by name or ID.""" return utils.find_resource(cs.cgsnapshots, cgsnapshot)
def find_backup(cs, backup): """Gets a backup by name or ID.""" return utils.find_resource(cs.backups, backup)
def test_find_by_str_name(self): output = utils.find_resource(self.manager, 'entity_one') self.assertEqual(output, self.manager.get('1234'))
def test_find_by_str_displayname(self): output = utils.find_resource(self.manager, 'entity_three') self.assertEqual(output, self.manager.get('4242'))
def test_find_by_integer_id(self): output = utils.find_resource(self.manager, 1234) self.assertEqual(self.manager.get("1234"), output)
def test_find_by_str_name(self): output = utils.find_resource(self.manager, "entity_one") self.assertEqual(self.manager.get("1234"), output)
def take_action(self, parsed_args): volume_client = self.app.client_manager.volume snapshot = cinder_utils.find_resource(volume_client.volume_snapshots, parsed_args.snapshot) volume_client.volume_snapshots.export(snapshot)
def _find_volume_snapshot(cs, snapshot): """Gets a volume snapshot by name or ID.""" return utils.find_resource(cs.volume_snapshots, snapshot)
def test_find_by_str_displayname(self): output = utils.find_resource(self.manager, 'entity_three') self.assertEqual(self.manager.get('4242'), output)
def _find_transfer(cs, transfer): """Gets a transfer by name or ID.""" return utils.find_resource(cs.transfers, transfer)
def tidy_storage(result_file): """ Search Glance images DB and rbd images pool for any discrepancy between the two. - If an image is in Glance images DB but not in rbd images pool, list the image and suggested actions to take in a log file. - If an image is in rbd images pool but not in Glance images DB, create a Glance image in Glance images DB to associate with the backend data. List the image and suggested actions to take in a log file. Search Cinder volumes DB and rbd cinder-volumes pool for any discrepancy between the two. - If a volume is in Cinder volumes DB but not in rbd cinder-volumes pool, set the volume state to "error". List the volume and suggested actions to take in a log file. - If a volume is in rbd cinder-volumes pool but not in Cinder volumes DB, remove any snapshot(s) assoicated with this volume in rbd pool and create a volume in Cinder volumes DB to associate with the backend data. List the volume and suggested actions to take in a log file. - If a volume is in both Cinder volumes DB and rbd cinder-volumes pool and it has snapshot(s) in the rbd pool, re-create the snapshot in Cinder if it doesn't exist. Clean up Cinder snapshots DB if the snapshot doesn't have backend data. """ with OpenStack() as client: # Check Glance images print("Scanning Glance images in DB and rbd images pool...\n") try: g_client_v1, g_client_v2 = client.get_glance_client image_l = g_client_v2.images.list() image_id_l = [image['id'].encode('utf-8') for image in image_l] output = subprocess.check_output(["rbd", "ls", "--pool", "images"], stderr=subprocess.STDOUT) except subprocess.CalledProcessError: LOG.error("Failed to access rbd images pool") raise TidyStorageFail("Failed to access rbd images pool") except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to list Glance images") rbd_image_l = [i for i in output.split('\n') if i != ""] print("Images in Glance images DB: %s \n" % image_id_l) print("Images in rbd images pool: %s \n" % rbd_image_l) in_glance_only = np.setdiff1d(image_id_l, rbd_image_l) in_rbd_image_only = np.setdiff1d(rbd_image_l, image_id_l) print("Images in Glance images DB only: %s \n" % in_glance_only) print("Images in rbd images pool only: %s \n" % in_rbd_image_only) if in_rbd_image_only.size != 0: output = subprocess.check_output( ["grep", "fsid", "/etc/ceph/ceph.conf"], stderr=subprocess.STDOUT) ceph_cluster = [ i.strip() for i in output.split('=') if i.find('fsid') == -1 ] fields = dict() for image in in_rbd_image_only: try: img_file = 'rbd:images/{}'.format(image) output = subprocess.check_output( ["qemu-img", "info", img_file], stderr=subprocess.STDOUT) fields['disk_format'] = 'qcow2' for line in output.split('\n'): if 'file format:' in line: fields['disk_format'] = line.split(':')[1].strip() break fields['name'] = 'found-image-%s' % image fields['id'] = image fields['container_format'] = 'bare' fields['location'] = \ 'rbd://{}/images/{}/snap'.format(ceph_cluster[0], image) print("Creating a Glance image %s ...\n " % fields['name']) g_client_v1.images.create(**fields) except subprocess.CalledProcessError: LOG.error("Failed to access rbd image %s" % image) raise TidyStorageFail("Failed to access rbd image") except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to create glance image") # Check cinder volume snapshots. Do it before "cinder manage" # operation as "cinder manage" does not support keeping the same # volume id. print("Scanning Cinder snapshots in DB and rbd cinder-volumes " "pool...\n") try: c_client = client.get_cinder_client snap_l = c_client.volume_snapshots.list(search_opts=search_opts) except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to get Cinder snapshots") snaps_no_backend_vol = [] for snap in snap_l: print("Check if volume snapshot %s has backend " % snap.name) try: output = subprocess.check_output( ["rbd", "ls", "--pool", "cinder-volumes"], stderr=subprocess.STDOUT) except subprocess.CalledProcessError: LOG.error("Failed to access rbd cinder-volumes pool") raise TidyStorageFail( "Failed to access rbd cinder-volumes pool") found_vol = False for line in output.split('\n'): if snap.volume_id in line: found_vol = True break if found_vol: volume = 'cinder-volumes/volume-{}'.format(snap.volume_id) try: output = subprocess.check_output( ["rbd", "snap", "list", volume], stderr=subprocess.STDOUT) keep_snap = False for line in output.split('\n'): if snap.id in line: keep_snap = True break except subprocess.CalledProcessError: LOG.info("Failed to list snapshots for volume %s in " "rbd cinder-volumes pool" % snap.volume_id) raise TidyStorageFail("Failed to list snapshots in rbd.") if not keep_snap: try: print("Volume snapshot %s has no backend data. " "Deleting it from Cinder...\n" % snap.name) c_client.volume_snapshots.delete(c_utils.find_resource( c_client.volume_snapshots, snap.id), force=True) except Exception as e: LOG.exception(e) raise TidyStorageFail( "Failed to delete volume snapshot") else: # Volume snapshot that doesn't have backend volume cannot # be deleted. If the backend volume is restored later, then # the snapshot can be deleted. So for now we will add these # snapshots in the user action log. snaps_no_backend_vol.append(snap) # Check Cinder volumes print("Scanning Cinder volumes in DB and rbd cinder-volumes pool...\n") try: volume_l = c_client.volumes.list(search_opts=search_opts) v_t_d = c_client.volume_types.default() avail_zones = c_client.availability_zones.list() pools = c_client.pools.list() except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to get Cinder volume info") if pools: host = pools[0].name # pylint: disable=no-member if v_t_d is None: v_t_d = 'ceph' else: v_t_d = v_t_d.name cinder_volume_l = [i.id.encode('utf-8') for i in volume_l] if avail_zones: avail_z = avail_zones[0].zoneName # pylint: disable=no-member try: output = subprocess.check_output( ["rbd", "ls", "--pool", "cinder-volumes"], stderr=subprocess.STDOUT) except subprocess.CalledProcessError: LOG.error("Failed to access rbd cinder-volumes pool") raise TidyStorageFail("Failed to access rbd cinder-volumes pool") rbd_volume_l = [i[7:] for i in output.split('\n') if i != ""] print("Volumes in Cinder volumes DB: %s \n" % cinder_volume_l) print("Volumes in rbd pool: %s \n" % rbd_volume_l) in_cinder_only = np.setdiff1d(cinder_volume_l, rbd_volume_l) in_rbd_volume_only = np.setdiff1d(rbd_volume_l, cinder_volume_l) in_cinder_and_rbd = np.intersect1d(cinder_volume_l, rbd_volume_l) print("Volumes in Cinder volumes DB only: %s \n" % in_cinder_only) print("Volumes in rbd pool only: %s \n" % in_rbd_volume_only) print("Volumes in Cinder volumes DB and rbd pool: %s \n" % in_cinder_and_rbd) for vol_id in in_rbd_volume_only: volume = 'cinder-volumes/volume-{}'.format(vol_id) try: # Find out if the volume is a bootable one output = subprocess.check_output(["rbd", "info", volume], stderr=subprocess.STDOUT) bootable = False for line in output.split('\n'): if 'parent: images/' in line: bootable = True break # Find out if the volume has any snapshots. print("Checking if volume %s has snapshots...\n" % vol_id) output = subprocess.check_output( ["rbd", "snap", "list", volume], stderr=subprocess.STDOUT) snap_l = [ item.strip() for item in output.split(' ') if item.find('snapshot-') != -1 ] # Returned volume id (vol.id) will be different from vol_id try: vol = c_client.volumes.manage( host=host, ref={'source-name': 'volume-%s' % vol_id}, name='found-volume-%s' % vol_id, description='manage a volume', volume_type=v_t_d, availability_zone=avail_z, bootable=bootable) print("Creating volume found-volume-%s in Cinder...\n" % vol_id) except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to manage volume") try: for snap in snap_l: # Manage a snapshot for a managed volume is not # supported in rbd. So we just remove the snapshot. # Remove the snapshot print( textwrap.fill( "Removing snapshot %s from volume %s " "in rbd...\n" % (snap, vol_id), 76)) del_snap = '{}@{}'.format(volume, snap) output = subprocess.check_output( ["rbd", "snap", "unprotect", del_snap], stderr=subprocess.STDOUT) output = subprocess.check_output( ["rbd", "snap", "rm", del_snap], stderr=subprocess.STDOUT) except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to manage volume snapshot") except subprocess.CalledProcessError: LOG.error("Failed to access volume %s in cinder-volumes pool" % vol_id) raise TidyStorageFail("Failed to access rbd image") for vol in in_cinder_only: try: c_client.volumes.reset_state(c_utils.find_volume( c_client, vol), state='error') print("Setting state to error for volume %s \n" % vol) except Exception as e: LOG.error("Failed to update volume to error state for %s" % vol) raise TidyStorageFail("Failed to update volume to error state") # For volumes that are in Cinder volumes DB and rbd cinder-volumes # pool, we check if any volume snapshot needs to be re-created try: c_s_l = c_client.volume_snapshots.list(search_opts=search_opts) cinder_snap_l = ['snapshot-{}'.format(snap.id) for snap in c_s_l] except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to get Cinder snapshots") for vol_id in in_cinder_and_rbd: volume = 'cinder-volumes/volume-{}'.format(vol_id) try: # Find out if the volume has any snapshots. print("Checking if volume %s has snapshots...\n" % vol_id) output = subprocess.check_output( ["rbd", "snap", "list", volume], stderr=subprocess.STDOUT) snap_l = [ item.strip() for item in output.split(' ') if item.find('snapshot-') != -1 ] for snap in snap_l: if snap not in cinder_snap_l: print("Creating volume snapshot found-%s " "in Cinder...\n" % snap) c_client.volume_snapshots.manage( volume_id=vol_id, ref={'source-name': snap}, name='found-%s' % snap, description='manage a snapshot') except subprocess.CalledProcessError: LOG.error("Failed to access snapshot for volume %s" % vol_id) raise TidyStorageFail("Failed to access volume snapshot") except Exception as e: LOG.exception(e) raise TidyStorageFail("Failed to manage Cinder snapshot") try: with open(result_file, 'w') as f: f.write('\n%s\n' % ('-' * 80)) f.write( textwrap.fill( "Following images are found in Ceph images pool but " "not in Glance. These images were created after the " "system backup was done. If you do not want to keep " "them, you can delete them by " "\"glance image-delete <id>\" command.", 80)) f.write("\n\n") f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME'])) image_l = g_client_v2.images.list() for image in image_l: if image['name'].find("found-image") != -1: f.write('{0[0]:<40}{0[1]:<50}\n'.format( [image['id'].encode('utf-8'), image['name']])) f.write("\n") f.write('\n%s\n' % ('-' * 80)) f.write( textwrap.fill( "Following images are found in Glance without backend " "data associated with. These images were deleted after " "the system backup was done. You can delete them by " "\"glance image-delete <id>\" command or follow the B&R " "document to restore the image.", 80)) f.write("\n\n") f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME'])) image_l = g_client_v2.images.list() for image in image_l: if (in_glance_only.size != 0 and image['id'].encode('utf-8') in in_glance_only): f.write('{0[0]:<40}{0[1]:<50}\n'.format( [image['id'].encode('utf-8'), image['name']])) f.write("\n") f.write('\n%s\n' % ('-' * 80)) f.write( textwrap.fill( "Following volumes are found in Ceph cinder-volumes " "pool but not in Cinder. These volumes were created " "after the system backup was done. If you do not want " "to keep them you can delete them by " "\"cinder delete <id>\" command.", 80)) f.write("\n\n") f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME'])) volume_l = c_client.volumes.list(search_opts=search_opts) for volume in volume_l: if volume.name.find("found-") != -1: f.write('{0[0]:<40}{0[1]:<50}\n'.format( [volume.id.encode('utf-8'), volume.name])) f.write("\n") f.write('\n%s\n' % ('-' * 80)) f.write( textwrap.fill( "Following volumes are found in Cinder without backend " "data associated with. These volumes were deleted " "after the system backup was done. You can delete them " "by \"cinder delete <id>\" command or follow the B&R " "document to restore the cinder volume.", 80)) f.write("\n\n") f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME'])) volume_l = c_client.volumes.list(search_opts=search_opts) for volume in volume_l: if (in_cinder_only.size != 0 and volume.id in in_cinder_only): f.write('{0[0]:<40}{0[1]:<50}\n'.format( [volume.id.encode('utf-8'), volume.name])) f.write("\n") f.write('\n%s\n' % ('-' * 80)) f.write( textwrap.fill( "Following volume snapshots are found in Ceph but not in " "Cinder. These volume snapshots were created after the " "system backup was done. If you do not want to keep them " "you can delete them by \"cinder snapshot-delete <id>\" " "command.", 80)) f.write("\n\n") f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME'])) snap_l = c_client.volume_snapshots.list( search_opts=search_opts) for snap in snap_l: if snap.name.find("found-") != -1: f.write('{0[0]:<40}{0[1]:<50}\n'.format( [snap.id.encode('utf-8'), snap.name])) f.write("\n") f.write('\n%s\n' % ('-' * 80)) f.write( textwrap.fill( "Following volume snapshots are found in Cinder without " "backend volumes. If you want to delete them, you can do " "so by \"cinder snapshot-delete <id>\" after backend " "volumes are restored.", 80)) f.write("\n\n") f.write('{0[0]:<40}{0[1]:<50}\n'.format(['ID', 'NAME'])) for snap in snaps_no_backend_vol: f.write('{0[0]:<40}{0[1]:<50}\n'.format( [snap.id.encode('utf-8'), snap.name])) f.write("\n\n") except IOError: raise TidyStorageFail("Failed to open file: %s" % result_file)
def _find_volume_type(cs, vtype): """Gets a volume type by name or ID.""" return utils.find_resource(cs.volume_types, vtype)
def test_find_by_str_displayname(self): display_manager = FakeDisplayManager(None) output = utils.find_resource(display_manager, 'entity_three') self.assertEqual(display_manager.get('4242'), output)
def test_find_by_str_id(self): output = utils.find_resource(self.manager, '1234') self.assertEqual(self.manager.get('1234'), output)
def take_action(self, parsed_args): volume_client = self.app.client_manager.volume volume = cinder_utils.find_resource(volume_client.volumes, parsed_args.volume) volume_client.volumes.export(volume)