def execute(self): conf = self.conf LOG.info('Executing FS restore...') restore_timestamp = None restore_abs_path = conf.restore_abs_path if conf.restore_from_date: restore_timestamp = utils.date_to_timestamp(conf.restore_from_date) if conf.backup_media == 'fs': self.engine.restore( hostname_backup_name=self.conf.hostname_backup_name, restore_path=restore_abs_path, overwrite=conf.overwrite, recent_to_date=restore_timestamp) try: if conf.consistency_checksum: backup_checksum = conf.consistency_checksum restore_checksum = checksum.CheckSum(restore_abs_path, ignorelinks=True) if restore_checksum.compare(backup_checksum): LOG.info('Consistency check success.') else: raise ConsistencyCheckException( "Backup Consistency Check failed: backup checksum " "({0}) and restore checksum ({1}) did not match.". format(backup_checksum, restore_checksum.checksum)) except OSError as e: raise ConsistencyCheckException( "Backup Consistency Check failed: could not checksum file" " {0} ({1})".format(e.filename, e.strerror)) return {} res = restore.RestoreOs(conf.client_manager, conf.container, self.storage) if conf.backup_media == 'nova': LOG.info("Restoring nova backup. Instance ID: {0}, timestamp: {1}". format(conf.nova_inst_id, restore_timestamp)) nova_network = None if conf.nova_restore_network: nova_network = conf.nova_restore_network res.restore_nova(conf.nova_inst_id, restore_timestamp, nova_network) elif conf.backup_media == 'cinder': LOG.info("Restoring cinder backup from glance. Volume ID: {0}, " "timestamp: {1}".format(conf.cinder_vol_id, restore_timestamp)) res.restore_cinder_by_glance(conf.cinder_vol_id, restore_timestamp) elif conf.backup_media == 'cindernative': LOG.info("Restoring cinder native backup. Volume ID {0}, Backup ID" " {1}, timestamp: {2}".format(conf.cindernative_vol_id, conf.cindernative_backup_id, restore_timestamp)) res.restore_cinder(conf.cindernative_vol_id, conf.cindernative_backup_id, restore_timestamp) else: raise Exception("unknown backup type: %s" % conf.backup_media) return {}
def backup(self, app_mode): """ :type app_mode: freezer.mode.mode.Mode :return: """ backup_media = self.conf.backup_media time_stamp = utils.DateTime.now().timestamp self.conf.time_stamp = time_stamp if backup_media == 'fs': LOG.info('Path to backup: {0}'.format(self.conf.path_to_backup)) app_mode.prepare() snapshot_taken = snapshot.snapshot_create(self.conf) if snapshot_taken: app_mode.release() try: filepath = '.' chdir_path = os.path.expanduser( os.path.normpath(self.conf.path_to_backup.strip())) if not os.path.exists(chdir_path): msg = 'Path to backup does not exist {0}'.format( chdir_path) LOG.critical(msg) raise IOError(msg) if not os.path.isdir(chdir_path): filepath = os.path.basename(chdir_path) chdir_path = os.path.dirname(chdir_path) os.chdir(chdir_path) # Checksum for Backup Consistency if self.conf.consistency_check: ignorelinks = (self.conf.dereference_symlink is None or self.conf.dereference_symlink == 'hard') consistency_checksum = checksum.CheckSum( filepath, ignorelinks=ignorelinks).compute() LOG.info('Computed checksum for consistency {0}'.format( consistency_checksum)) self.conf.consistency_checksum = consistency_checksum return self.engine.backup( backup_resource=filepath, hostname_backup_name=self.conf.hostname_backup_name, no_incremental=self.conf.no_incremental, max_level=self.conf.max_level, always_level=self.conf.always_level, restart_always_level=self.conf.restart_always_level) finally: # whether an error occurred or not, remove the snapshot anyway app_mode.release() if snapshot_taken: snapshot.snapshot_remove(self.conf, self.conf.shadow, self.conf.windows_volume) backup_os = backup.BackupOs(self.conf.client_manager, self.conf.container, self.storage) if backup_media == 'nova': if self.conf.project_id: return self.engine.backup_nova_tenant( project_id=self.conf.project_id, hostname_backup_name=self.conf.hostname_backup_name, no_incremental=self.conf.no_incremental, max_level=self.conf.max_level, always_level=self.conf.always_level, restart_always_level=self.conf.restart_always_level) elif self.conf.nova_inst_id: LOG.info('Executing nova backup. Instance ID: {0}'.format( self.conf.nova_inst_id)) hostname_backup_name = os.path.join( self.conf.hostname_backup_name, self.conf.nova_inst_id) return self.engine.backup( backup_resource=self.conf.nova_inst_id, hostname_backup_name=hostname_backup_name, no_incremental=self.conf.no_incremental, max_level=self.conf.max_level, always_level=self.conf.always_level, restart_always_level=self.conf.restart_always_level) else: executor = futures.ThreadPoolExecutor( max_workers=len(self.nova_instance_ids)) futures_list = [] for instance_id in self.nova_instance_ids: hostname_backup_name = os.path.join( self.conf.hostname_backup_name, instance_id) futures_list.append( executor.submit( self.engine.backup( backup_resource=instance_id, hostname_backup_name=hostname_backup_name, no_incremental=self.conf.no_incremental, max_level=self.conf.max_level, always_level=self.conf.always_level, restart_always_level=self.conf. restart_always_level))) futures.wait(futures_list, CONF.timeout) elif backup_media == 'cindernative': LOG.info('Executing cinder native backup. Volume ID: {0}, ' 'incremental: {1}'.format(self.conf.cindernative_vol_id, self.conf.incremental)) backup_os.backup_cinder(self.conf.cindernative_vol_id, name=self.conf.backup_name, incremental=self.conf.incremental) elif backup_media == 'cinder': if self.conf.cinder_vol_id: LOG.info('Executing cinder snapshot. Volume ID: {0}'.format( self.conf.cinder_vol_id)) backup_os.backup_cinder_by_glance(self.conf.cinder_vol_id) else: executor = futures.ThreadPoolExecutor( max_workers=len(self.cinder_vol_ids)) futures_list = [] for instance_id in self.cinder_vol_ids: LOG.info('Executing cinder snapshot. Volume ID:' ' {0}'.format(instance_id)) futures_list.append( executor.submit( backup_os.backup_cinder_by_glance(instance_id))) futures.wait(futures_list, CONF.timeout) elif backup_media == 'cinderbrick': LOG.info('Executing cinder volume backup using os-brick. ' 'Volume ID: {0}'.format(self.conf.cinderbrick_vol_id)) return self.engine.backup( backup_resource=self.conf.cinderbrick_vol_id, hostname_backup_name=self.conf.hostname_backup_name, no_incremental=self.conf.no_incremental, max_level=self.conf.max_level, always_level=self.conf.always_level, restart_always_level=self.conf.restart_always_level) else: raise Exception('unknown parameter backup_media %s' % backup_media) return None
def execute(self): conf = self.conf LOG.info('Executing Restore...') restore_timestamp = None restore_abs_path = conf.restore_abs_path if conf.restore_from_date: restore_timestamp = utils.date_to_timestamp(conf.restore_from_date) if conf.backup_media == 'fs': self.engine.restore( hostname_backup_name=self.conf.hostname_backup_name, restore_resource=restore_abs_path, overwrite=conf.overwrite, recent_to_date=restore_timestamp, backup_media=conf.mode) try: if conf.consistency_checksum: backup_checksum = conf.consistency_checksum restore_checksum = checksum.CheckSum(restore_abs_path, ignorelinks=True) if restore_checksum.compare(backup_checksum): LOG.info('Consistency check success.') else: raise ConsistencyCheckException( "Backup Consistency Check failed: backup checksum " "({0}) and restore checksum ({1}) did not match.". format(backup_checksum, restore_checksum.checksum)) except OSError as e: raise ConsistencyCheckException( "Backup Consistency Check failed: could not checksum file" " {0} ({1})".format(e.filename, e.strerror)) return {} res = restore.RestoreOs(conf.client_manager, conf.container, self.storage) if conf.backup_media == 'nova': if self.conf.project_id: return self.engine.restore_nova_tenant( project_id=self.conf.project_id, hostname_backup_name=self.conf.hostname_backup_name, overwrite=conf.overwrite, recent_to_date=restore_timestamp) elif conf.nova_inst_id: LOG.info("Restoring nova backup. Instance ID: {0}, " "timestamp: {1} network-id {2}".format( conf.nova_inst_id, restore_timestamp, conf.nova_restore_network)) hostname_backup_name = os.path.join( self.conf.hostname_backup_name, self.conf.nova_inst_id) self.engine.restore(hostname_backup_name=hostname_backup_name, restore_resource=conf.nova_inst_id, overwrite=conf.overwrite, recent_to_date=restore_timestamp, backup_media=conf.mode) else: for instance_id in self.nova_instance_ids: LOG.info("Restoring nova backup. Instance ID: {0}, " "timestamp: {1} network-id {2}".format( instance_id, restore_timestamp, conf.nova_restore_network)) hostname_backup_name = os.path.join( self.conf.hostname_backup_name, instance_id) self.engine.restore( hostname_backup_name=hostname_backup_name, restore_resource=instance_id, overwrite=conf.overwrite, recent_to_date=restore_timestamp, backup_media=conf.mode) elif conf.backup_media == 'glance': if self.conf.project_id: return self.engine.restore_glance_tenant( project_id=self.conf.project_id, hostname_backup_name=self.conf.hostname_backup_name, overwrite=conf.overwrite, recent_to_date=restore_timestamp) elif conf.glance_image_id: LOG.info("Restoring glance backup. Image ID: {0}, " "timestamp: {1} ".format(conf.glance_image_id, restore_timestamp)) hostname_backup_name = os.path.join( self.conf.hostname_backup_name, self.conf.glance_image_id) self.engine.restore(hostname_backup_name=hostname_backup_name, restore_resource=conf.glance_image_id, overwrite=conf.overwrite, recent_to_date=restore_timestamp, backup_media=conf.mode) else: for image_id in self.glance_image_ids: LOG.info("Restoring glance backup. Image ID: {0}, " "timestamp: {1}".format(image_id, restore_timestamp)) hostname_backup_name = os.path.join( self.conf.hostname_backup_name, image_id) self.engine.restore( hostname_backup_name=hostname_backup_name, restore_resource=image_id, overwrite=conf.overwrite, recent_to_date=restore_timestamp, backup_media=conf.mode) elif conf.backup_media == 'cinder': if conf.cinder_vol_id: LOG.info("Restoring cinder backup from glance. " "Volume ID: {0}, timestamp: {1}".format( conf.cinder_vol_id, restore_timestamp)) res.restore_cinder_by_glance(conf.cinder_vol_id, restore_timestamp) else: for instance_id in self.cinder_vol_ids: LOG.info("Restoring cinder backup from glance. " "Volume ID: {0}, timestamp: {1}".format( instance_id, restore_timestamp)) res.restore_cinder_by_glance(instance_id, restore_timestamp) elif conf.backup_media == 'cindernative': LOG.info("Restoring cinder native backup. Volume ID {0}, Backup ID" " {1}, timestamp: {2}".format(conf.cindernative_vol_id, conf.cindernative_backup_id, restore_timestamp)) res.restore_cinder(conf.cindernative_vol_id, conf.cindernative_backup_id, restore_timestamp) elif conf.backup_media == 'cinderbrick': LOG.info("Restoring cinder backup using os-brick. Volume ID {0}, " "timestamp: {1}".format(conf.cinderbrick_vol_id, restore_timestamp)) self.engine.restore( hostname_backup_name=self.conf.hostname_backup_name, restore_resource=conf.cinderbrick_vol_id, overwrite=conf.overwrite, recent_to_date=restore_timestamp, backup_media=conf.mode) else: raise Exception("unknown backup type: %s" % conf.backup_media) return {}