コード例 #1
0
    def _pickle_dag_and_save_pickle_id_for_versioned(self, dag, session):
        dp = DagPickle(dag=dag)

        # First step: we need pickle id, so we save none and "reserve" pickle id
        dag.last_pickled = timezone.utcnow()
        dp.pickle = None
        session.add(dp)
        session.commit()

        # Second step: now we have pickle_id , we can add it to Operator config
        # dag_pickle_id used for Versioned Dag via TaskInstance.task_executor <- Operator.task_executor
        dag.pickle_id = dp.id
        for op in dag.tasks:
            if op.executor_config is None:
                op.executor_config = {}
            op.executor_config["DatabandExecutor"] = {
                "dbnd_driver_dump":
                str(self.run.run_executor.driver_dump),
                "dag_pickle_id":
                dag.pickle_id,
                "remove_airflow_std_redirect":
                self.airflow_config.remove_airflow_std_redirect,
            }

        # now we are ready to create real pickle for the dag
        with ready_for_pickle(dag, DAG_UNPICKABLE_PROPERTIES) as pickable_dag:
            dp.pickle = pickable_dag
            session.add(dp)
            session.commit()

        dag.pickle_id = dp.id
        dag.last_pickled = timezone.utcnow()
コード例 #2
0
ファイル: task_command.py プロジェクト: folly3/airflow-1
def _run_task_by_executor(args, dag, ti):
    """
    Sends the task to the executor for execution. This can result in the task being started by another host
    if the executor implementation does
    """
    pickle_id = None
    if args.ship_dag:
        try:
            # Running remotely, so pickling the DAG
            with create_session() as session:
                pickle = DagPickle(dag)
                session.add(pickle)
                pickle_id = pickle.id
                # TODO: This should be written to a log
                print('Pickled dag {dag} as pickle_id: {pickle_id}'.format(
                    dag=dag, pickle_id=pickle_id))
        except Exception as e:
            print('Could not pickle the DAG')
            print(e)
            raise e
    executor = ExecutorLoader.get_default_executor()
    executor.start()
    print("Sending to executor.")
    executor.queue_task_instance(
        ti,
        mark_success=args.mark_success,
        pickle_id=pickle_id,
        ignore_all_deps=args.ignore_all_dependencies,
        ignore_depends_on_past=args.ignore_depends_on_past,
        ignore_task_deps=args.ignore_dependencies,
        ignore_ti_state=args.force,
        pool=args.pool)
    executor.heartbeat()
    executor.end()
コード例 #3
0
def _run(args, dag, ti):
    if args.local:
        run_job = jobs.LocalTaskJob(
            task_instance=ti,
            mark_success=args.mark_success,
            pickle_id=args.pickle,
            ignore_all_deps=args.ignore_all_dependencies,
            ignore_depends_on_past=args.ignore_depends_on_past,
            ignore_task_deps=args.ignore_dependencies,
            ignore_ti_state=args.force,
            pool=args.pool)
        run_job.run()
    elif args.raw:
        ti._run_raw_task(  # pylint: disable=protected-access
            mark_success=args.mark_success,
            job_id=args.job_id,
            pool=args.pool,
        )
    else:
        pickle_id = None
        if args.ship_dag:
            try:
                # Running remotely, so pickling the DAG
                with db.create_session() as session:
                    pickle = DagPickle(dag)
                    session.add(pickle)
                    pickle_id = pickle.id
                    # TODO: This should be written to a log
                    print('Pickled dag {dag} as pickle_id: {pickle_id}'.format(
                        dag=dag, pickle_id=pickle_id))
            except Exception as e:
                print('Could not pickle the DAG')
                print(e)
                raise e

        executor = get_default_executor()
        executor.start()
        print("Sending to executor.")
        executor.queue_task_instance(
            ti,
            mark_success=args.mark_success,
            pickle_id=pickle_id,
            ignore_all_deps=args.ignore_all_dependencies,
            ignore_depends_on_past=args.ignore_depends_on_past,
            ignore_task_deps=args.ignore_dependencies,
            ignore_ti_state=args.force,
            pool=args.pool)
        executor.heartbeat()
        executor.end()
コード例 #4
0
def run(args):

    utils.pessimistic_connection_handling()
    # Setting up logging
    log = os.path.expanduser(conf.get('core', 'BASE_LOG_FOLDER'))
    directory = log + "/{args.dag_id}/{args.task_id}".format(args=args)
    if not os.path.exists(directory):
        os.makedirs(directory)
    args.execution_date = dateutil.parser.parse(args.execution_date)
    iso = args.execution_date.isoformat()
    filename = "{directory}/{iso}".format(**locals())

    # store old log (to help with S3 appends)
    if os.path.exists(filename):
        with open(filename, 'r') as logfile:
            old_log = logfile.read()
    else:
        old_log = None

    subdir = None
    if args.subdir:
        subdir = args.subdir.replace(
            "DAGS_FOLDER", conf.get("core", "DAGS_FOLDER"))
        subdir = os.path.expanduser(subdir)
    logging.basicConfig(
        filename=filename,
        level=settings.LOGGING_LEVEL,
        format=settings.LOG_FORMAT)
    if not args.pickle:
        dagbag = DagBag(subdir)
        if args.dag_id not in dagbag.dags:
            msg = 'DAG [{0}] could not be found'.format(args.dag_id)
            logging.error(msg)
            raise AirflowException(msg)
        dag = dagbag.dags[args.dag_id]
        task = dag.get_task(task_id=args.task_id)
    else:
        session = settings.Session()
        logging.info('Loading pickle id {args.pickle}'.format(**locals()))
        dag_pickle = session.query(
            DagPickle).filter(DagPickle.id == args.pickle).first()
        if not dag_pickle:
            raise AirflowException("Who hid the pickle!? [missing pickle]")
        dag = dag_pickle.pickle
        task = dag.get_task(task_id=args.task_id)

    task_start_date = None
    if args.task_start_date:
        task_start_date = dateutil.parser.parse(args.task_start_date)
        task.start_date = task_start_date
    ti = TaskInstance(task, args.execution_date)

    if args.local:
        print("Logging into: " + filename)
        run_job = jobs.LocalTaskJob(
            task_instance=ti,
            mark_success=args.mark_success,
            force=args.force,
            pickle_id=args.pickle,
            task_start_date=task_start_date,
            ignore_dependencies=args.ignore_dependencies)
        run_job.run()
    elif args.raw:
        ti.run(
            mark_success=args.mark_success,
            force=args.force,
            ignore_dependencies=args.ignore_dependencies,
            job_id=args.job_id,
        )
    else:
        pickle_id = None
        if args.ship_dag:
            try:
                # Running remotely, so pickling the DAG
                session = settings.Session()
                pickle = DagPickle(dag)
                session.add(pickle)
                session.commit()
                pickle_id = pickle.id
                print((
                    'Pickled dag {dag} '
                    'as pickle_id:{pickle_id}').format(**locals()))
            except Exception as e:
                print('Could not pickle the DAG')
                print(e)
                raise e

        executor = DEFAULT_EXECUTOR
        executor.start()
        print("Sending to executor.")
        executor.queue_task_instance(
            ti,
            mark_success=args.mark_success,
            pickle_id=pickle_id,
            ignore_dependencies=args.ignore_dependencies,
            force=args.force)
        executor.heartbeat()
        executor.end()

    if conf.get('core', 'S3_LOG_FOLDER').startswith('s3:'):
        import boto
        s3_log = filename.replace(log, conf.get('core', 'S3_LOG_FOLDER'))
        bucket, key = s3_log.lstrip('s3:/').split('/', 1)
        if os.path.exists(filename):

            # get logs
            with open(filename, 'r') as logfile:
                new_log = logfile.read()

            # remove old logs (since they are already in S3)
            if old_log:
                new_log.replace(old_log, '')

            try:
                s3 = boto.connect_s3()
                s3_key = boto.s3.key.Key(s3.get_bucket(bucket), key)

                # append new logs to old S3 logs, if available
                if s3_key.exists():
                    old_s3_log = s3_key.get_contents_as_string().decode()
                    new_log = old_s3_log + '\n' + new_log

                # send log to S3
                s3_key.set_contents_from_string(new_log)
            except:
                print('Could not send logs to S3.')
コード例 #5
0
def run(args):

    utils.pessimistic_connection_handling()
    # Setting up logging
    log = os.path.expanduser(conf.get('core', 'BASE_LOG_FOLDER'))
    directory = log + "/{args.dag_id}/{args.task_id}".format(args=args)
    if not os.path.exists(directory):
        os.makedirs(directory)
    args.execution_date = dateutil.parser.parse(args.execution_date)
    iso = args.execution_date.isoformat()
    filename = "{directory}/{iso}".format(**locals())
    subdir = None
    if args.subdir:
        subdir = args.subdir.replace(
            "DAGS_FOLDER", conf.get("core", "DAGS_FOLDER"))
        subdir = os.path.expanduser(subdir)
    logging.basicConfig(
        filename=filename,
        level=settings.LOGGING_LEVEL,
        format=settings.LOG_FORMAT)
    if not args.pickle:
        dagbag = DagBag(subdir)
        if args.dag_id not in dagbag.dags:
            msg = 'DAG [{0}] could not be found'.format(args.dag_id)
            logging.error(msg)
            raise AirflowException(msg)
        dag = dagbag.dags[args.dag_id]
        task = dag.get_task(task_id=args.task_id)
    else:
        session = settings.Session()
        logging.info('Loading pickle id {args.pickle}'.format(**locals()))
        dag_pickle = session.query(
            DagPickle).filter(DagPickle.id == args.pickle).first()
        if not dag_pickle:
            raise AirflowException("Who hid the pickle!? [missing pickle]")
        dag = dag_pickle.pickle
        task = dag.get_task(task_id=args.task_id)

    task_start_date = None
    if args.task_start_date:
        task_start_date = dateutil.parser.parse(args.task_start_date)
        task.start_date = task_start_date
    ti = TaskInstance(task, args.execution_date)

    if args.local:
        print("Logging into: " + filename)
        run_job = jobs.LocalTaskJob(
            task_instance=ti,
            mark_success=args.mark_success,
            force=args.force,
            pickle_id=args.pickle,
            task_start_date=task_start_date,
            ignore_dependencies=args.ignore_dependencies)
        run_job.run()
    elif args.raw:
        ti.run(
            mark_success=args.mark_success,
            force=args.force,
            ignore_dependencies=args.ignore_dependencies,
            job_id=args.job_id,
        )
    else:
        pickle_id = None
        if args.ship_dag:
            try:
                # Running remotely, so pickling the DAG
                session = settings.Session()
                pickle = DagPickle(dag)
                session.add(pickle)
                session.commit()
                pickle_id = pickle.id
                print((
                    'Pickled dag {dag} '
                    'as pickle_id:{pickle_id}').format(**locals()))
            except Exception as e:
                print('Could not pickle the DAG')
                print(e)
                raise e

        executor = DEFAULT_EXECUTOR
        executor.start()
        print("Sending to executor.")
        executor.queue_task_instance(
            ti,
            mark_success=args.mark_success,
            pickle_id=pickle_id,
            ignore_dependencies=args.ignore_dependencies,
            force=args.force)
        executor.heartbeat()
        executor.end()
コード例 #6
0
ファイル: backfill_job.py プロジェクト: Rs111/airflow_docker
    def _execute(self, session=None):
        """
        Initializes all components required to run a dag for a specified date range and
        calls helper method to execute the tasks.
        """
        ti_status = BackfillJob._DagRunTaskStatus()

        start_date = self.bf_start_date

        # Get intervals between the start/end dates, which will turn into dag runs
        run_dates = self.dag.get_run_dates(start_date=start_date,
                                           end_date=self.bf_end_date)
        if self.run_backwards:
            tasks_that_depend_on_past = [
                t.task_id for t in self.dag.task_dict.values()
                if t.depends_on_past
            ]
            if tasks_that_depend_on_past:
                raise AirflowException(
                    'You cannot backfill backwards because one or more tasks depend_on_past: {}'
                    .format(",".join(tasks_that_depend_on_past)))
            run_dates = run_dates[::-1]

        if len(run_dates) == 0:
            self.log.info(
                "No run dates were found for the given dates and dag interval."
            )
            return

        # picklin'
        pickle_id = None
        if not self.donot_pickle and self.executor.__class__ not in (
                executors.LocalExecutor, executors.SequentialExecutor):
            pickle = DagPickle(self.dag)
            session.add(pickle)
            session.commit()
            pickle_id = pickle.id

        executor = self.executor
        executor.start()

        ti_status.total_runs = len(run_dates)  # total dag runs in backfill

        try:
            remaining_dates = ti_status.total_runs
            while remaining_dates > 0:
                dates_to_process = [
                    run_date for run_date in run_dates
                    if run_date not in ti_status.executed_dag_run_dates
                ]

                self._execute_for_run_dates(run_dates=dates_to_process,
                                            ti_status=ti_status,
                                            executor=executor,
                                            pickle_id=pickle_id,
                                            start_date=start_date,
                                            session=session)

                remaining_dates = (ti_status.total_runs -
                                   len(ti_status.executed_dag_run_dates))
                err = self._collect_errors(ti_status=ti_status,
                                           session=session)
                if err:
                    raise AirflowException(err)

                if remaining_dates > 0:
                    self.log.info(
                        "max_active_runs limit for dag %s has been reached "
                        " - waiting for other dag runs to finish", self.dag_id)
                    time.sleep(self.delay_on_limit_secs)
        except (KeyboardInterrupt, SystemExit):
            self.log.warning("Backfill terminated by user.")

            # TODO: we will need to terminate running task instances and set the
            # state to failed.
            self._set_unfinished_dag_runs_to_failed(ti_status.active_runs)
        finally:
            session.commit()
            executor.end()

        self.log.info("Backfill done. Exiting.")
コード例 #7
0
    def _execute(self, session=None):
        """
        Initializes all components required to run a dag for a specified date range and
        calls helper method to execute the tasks.
        """
        ti_status = BackfillJob._DagRunTaskStatus()

        start_date = self.bf_start_date

        # Get DagRun schedule between the start/end dates, which will turn into dag runs.
        dagrun_start_date = timezone.coerce_datetime(start_date)
        if self.bf_end_date is None:
            dagrun_end_date = pendulum.now(timezone.utc)
        else:
            dagrun_end_date = pendulum.instance(self.bf_end_date)
        dagrun_infos = list(
            self.dag.iter_dagrun_infos_between(dagrun_start_date,
                                               dagrun_end_date))
        if self.run_backwards:
            tasks_that_depend_on_past = [
                t.task_id for t in self.dag.task_dict.values()
                if t.depends_on_past
            ]
            if tasks_that_depend_on_past:
                raise AirflowException(
                    f'You cannot backfill backwards because one or more '
                    f'tasks depend_on_past: {",".join(tasks_that_depend_on_past)}'
                )
            dagrun_infos = dagrun_infos[::-1]

        if not dagrun_infos:
            if not self.run_at_least_once:
                self.log.info(
                    "No run dates were found for the given dates and dag interval."
                )
                return
            dagrun_infos = [
                DagRunInfo.interval(dagrun_start_date, dagrun_end_date)
            ]

        # picklin'
        pickle_id = None

        if not self.donot_pickle and self.executor_class not in (
                executor_constants.LOCAL_EXECUTOR,
                executor_constants.SEQUENTIAL_EXECUTOR,
                executor_constants.DASK_EXECUTOR,
        ):
            pickle = DagPickle(self.dag)
            session.add(pickle)
            session.commit()
            pickle_id = pickle.id

        executor = self.executor
        executor.job_id = "backfill"
        executor.start()

        ti_status.total_runs = len(dagrun_infos)  # total dag runs in backfill

        try:
            remaining_dates = ti_status.total_runs
            while remaining_dates > 0:
                dagrun_infos_to_process = [
                    dagrun_info for dagrun_info in dagrun_infos
                    if dagrun_info.logical_date not in
                    ti_status.executed_dag_run_dates
                ]
                self._execute_dagruns(
                    dagrun_infos=dagrun_infos_to_process,
                    ti_status=ti_status,
                    executor=executor,
                    pickle_id=pickle_id,
                    start_date=start_date,
                    session=session,
                )

                remaining_dates = ti_status.total_runs - len(
                    ti_status.executed_dag_run_dates)
                err = self._collect_errors(ti_status=ti_status,
                                           session=session)
                if err:
                    raise BackfillUnfinished(err, ti_status)

                if remaining_dates > 0:
                    self.log.info(
                        "max_active_runs limit for dag %s has been reached "
                        " - waiting for other dag runs to finish",
                        self.dag_id,
                    )
                    time.sleep(self.delay_on_limit_secs)
        except (KeyboardInterrupt, SystemExit):
            self.log.warning("Backfill terminated by user.")

            # TODO: we will need to terminate running task instances and set the
            # state to failed.
            self._set_unfinished_dag_runs_to_failed(ti_status.active_runs)
        finally:
            session.commit()
            executor.end()

        self.log.info("Backfill done. Exiting.")
コード例 #8
0
ファイル: cli.py プロジェクト: vvatsa/airflow
def run(args, dag=None):
    db_utils.pessimistic_connection_handling()
    if dag:
        args.dag_id = dag.dag_id

    # Setting up logging
    log_base = os.path.expanduser(conf.get('core', 'BASE_LOG_FOLDER'))
    directory = log_base + "/{args.dag_id}/{args.task_id}".format(args=args)
    if not os.path.exists(directory):
        os.makedirs(directory)
    iso = args.execution_date.isoformat()
    filename = "{directory}/{iso}".format(**locals())

    logging.root.handlers = []
    logging.basicConfig(
        filename=filename,
        level=settings.LOGGING_LEVEL,
        format=settings.LOG_FORMAT)

    if not args.pickle and not dag:
        dag = get_dag(args)
    elif not dag:
        session = settings.Session()
        logging.info('Loading pickle id {args.pickle}'.format(**locals()))
        dag_pickle = session.query(
            DagPickle).filter(DagPickle.id == args.pickle).first()
        if not dag_pickle:
            raise AirflowException("Who hid the pickle!? [missing pickle]")
        dag = dag_pickle.pickle
    task = dag.get_task(task_id=args.task_id)

    ti = TaskInstance(task, args.execution_date)

    if args.local:
        print("Logging into: " + filename)
        run_job = jobs.LocalTaskJob(
            task_instance=ti,
            mark_success=args.mark_success,
            force=args.force,
            pickle_id=args.pickle,
            ignore_dependencies=args.ignore_dependencies,
            ignore_depends_on_past=args.ignore_depends_on_past,
            pool=args.pool)
        run_job.run()
    elif args.raw:
        ti.run(
            mark_success=args.mark_success,
            force=args.force,
            ignore_dependencies=args.ignore_dependencies,
            ignore_depends_on_past=args.ignore_depends_on_past,
            job_id=args.job_id,
            pool=args.pool,
        )
    else:
        pickle_id = None
        if args.ship_dag:
            try:
                # Running remotely, so pickling the DAG
                session = settings.Session()
                pickle = DagPickle(dag)
                session.add(pickle)
                session.commit()
                pickle_id = pickle.id
                print((
                    'Pickled dag {dag} '
                    'as pickle_id:{pickle_id}').format(**locals()))
            except Exception as e:
                print('Could not pickle the DAG')
                print(e)
                raise e

        executor = DEFAULT_EXECUTOR
        executor.start()
        print("Sending to executor.")
        executor.queue_task_instance(
            ti,
            mark_success=args.mark_success,
            pickle_id=pickle_id,
            ignore_dependencies=args.ignore_dependencies,
            ignore_depends_on_past=args.ignore_depends_on_past,
            force=args.force,
            pool=args.pool)
        executor.heartbeat()
        executor.end()

    # Force the log to flush, and set the handler to go back to normal so we
    # don't continue logging to the task's log file. The flush is important
    # because we subsequently read from the log to insert into S3 or Google
    # cloud storage.
    logging.root.handlers[0].flush()
    logging.root.handlers = []

    # store logs remotely
    remote_base = conf.get('core', 'REMOTE_BASE_LOG_FOLDER')

    # deprecated as of March 2016
    if not remote_base and conf.get('core', 'S3_LOG_FOLDER'):
        warnings.warn(
            'The S3_LOG_FOLDER conf key has been replaced by '
            'REMOTE_BASE_LOG_FOLDER. Your conf still works but please '
            'update airflow.cfg to ensure future compatibility.',
            DeprecationWarning)
        remote_base = conf.get('core', 'S3_LOG_FOLDER')

    if os.path.exists(filename):
        # read log and remove old logs to get just the latest additions

        with open(filename, 'r') as logfile:
            log = logfile.read()

        remote_log_location = filename.replace(log_base, remote_base)
        # S3
        if remote_base.startswith('s3:/'):
            logging_utils.S3Log().write(log, remote_log_location)
        # GCS
        elif remote_base.startswith('gs:/'):
            logging_utils.GCSLog().write(
                log,
                remote_log_location,
                append=True)
        # Other
        elif remote_base and remote_base != 'None':
            logging.error(
                'Unsupported remote log location: {}'.format(remote_base))
コード例 #9
0
    def _execute(self, session=None):
        """
        Initializes all components required to run a dag for a specified date range and
        calls helper method to execute the tasks.
        """
        ti_status = BackfillJob._DagRunTaskStatus()

        start_date = self.bf_start_date

        # Get DagRun schedule between the start/end dates, which will turn into dag runs.
        dagrun_start_date = timezone.coerce_datetime(start_date)
        if self.bf_end_date is None:
            dagrun_end_date = pendulum.now(timezone.utc)
        else:
            dagrun_end_date = pendulum.instance(self.bf_end_date)
        dagrun_infos = list(
            self.dag.iter_dagrun_infos_between(dagrun_start_date,
                                               dagrun_end_date))
        if self.run_backwards:
            tasks_that_depend_on_past = [
                t.task_id for t in self.dag.task_dict.values()
                if t.depends_on_past
            ]
            if tasks_that_depend_on_past:
                raise AirflowException(
                    f'You cannot backfill backwards because one or more '
                    f'tasks depend_on_past: {",".join(tasks_that_depend_on_past)}'
                )
            dagrun_infos = dagrun_infos[::-1]

        if not dagrun_infos:
            if not self.run_at_least_once:
                self.log.info(
                    "No run dates were found for the given dates and dag interval."
                )
                return
            dagrun_infos = [
                DagRunInfo.interval(dagrun_start_date, dagrun_end_date)
            ]

        dag_with_subdags_ids = [d.dag_id for d in self._get_dag_with_subdags()]
        running_dagruns = DagRun.find(
            dag_id=dag_with_subdags_ids,
            execution_start_date=self.bf_start_date,
            execution_end_date=self.bf_end_date,
            no_backfills=True,
            state=DagRunState.RUNNING,
        )

        if running_dagruns:
            for run in running_dagruns:
                self.log.error(
                    "Backfill cannot be created for DagRun %s in %s, as there's already %s in a RUNNING "
                    "state.",
                    run.run_id,
                    run.execution_date.strftime("%Y-%m-%dT%H:%M:%S"),
                    run.run_type,
                )
            self.log.error(
                "Changing DagRun into BACKFILL would cause scheduler to lose track of executing "
                "tasks. Not changing DagRun type into BACKFILL, and trying insert another DagRun into "
                "database would cause database constraint violation for dag_id + execution_date "
                "combination. Please adjust backfill dates or wait for this DagRun to finish.",
            )
            return
        # picklin'
        pickle_id = None

        if not self.donot_pickle and self.executor_class not in (
                executor_constants.LOCAL_EXECUTOR,
                executor_constants.SEQUENTIAL_EXECUTOR,
                executor_constants.DASK_EXECUTOR,
        ):
            pickle = DagPickle(self.dag)
            session.add(pickle)
            session.commit()
            pickle_id = pickle.id

        executor = self.executor
        executor.job_id = "backfill"
        executor.start()

        ti_status.total_runs = len(dagrun_infos)  # total dag runs in backfill

        try:
            remaining_dates = ti_status.total_runs
            while remaining_dates > 0:
                dagrun_infos_to_process = [
                    dagrun_info for dagrun_info in dagrun_infos
                    if dagrun_info.logical_date not in
                    ti_status.executed_dag_run_dates
                ]
                self._execute_dagruns(
                    dagrun_infos=dagrun_infos_to_process,
                    ti_status=ti_status,
                    executor=executor,
                    pickle_id=pickle_id,
                    start_date=start_date,
                    session=session,
                )

                remaining_dates = ti_status.total_runs - len(
                    ti_status.executed_dag_run_dates)
                err = self._collect_errors(ti_status=ti_status,
                                           session=session)
                if err:
                    if not self.continue_on_failures or ti_status.deadlocked:
                        raise BackfillUnfinished(err, ti_status)

                if remaining_dates > 0:
                    self.log.info(
                        "max_active_runs limit for dag %s has been reached "
                        " - waiting for other dag runs to finish",
                        self.dag_id,
                    )
                    time.sleep(self.delay_on_limit_secs)
        except (KeyboardInterrupt, SystemExit):
            self.log.warning("Backfill terminated by user.")

            # TODO: we will need to terminate running task instances and set the
            # state to failed.
            self._set_unfinished_dag_runs_to_failed(ti_status.active_runs)
        finally:
            session.commit()
            executor.end()

        self.log.info("Backfill done for DAG %s. Exiting.", self.dag)
コード例 #10
0
ファイル: cli.py プロジェクト: xavierp/airflow
def run(args):

    utils.pessimistic_connection_handling()

    # Setting up logging
    log_base = os.path.expanduser(configuration.get('core', 'BASE_LOG_FOLDER'))
    directory = log_base + "/{args.dag_id}/{args.task_id}".format(args=args)
    if not os.path.exists(directory):
        os.makedirs(directory)
    args.execution_date = dateutil.parser.parse(args.execution_date)
    iso = args.execution_date.isoformat()
    filename = "{directory}/{iso}".format(**locals())

    subdir = process_subdir(args.subdir)
    logging.root.handlers = []
    logging.basicConfig(filename=filename,
                        level=settings.LOGGING_LEVEL,
                        format=settings.LOG_FORMAT)

    if not args.pickle:
        dagbag = DagBag(subdir)
        if args.dag_id not in dagbag.dags:
            msg = 'DAG [{0}] could not be found in {1}'.format(
                args.dag_id, subdir)
            logging.error(msg)
            raise AirflowException(msg)
        dag = dagbag.dags[args.dag_id]
        task = dag.get_task(task_id=args.task_id)
    else:
        session = settings.Session()
        logging.info('Loading pickle id {args.pickle}'.format(**locals()))
        dag_pickle = session.query(DagPickle).filter(
            DagPickle.id == args.pickle).first()
        if not dag_pickle:
            raise AirflowException("Who hid the pickle!? [missing pickle]")
        dag = dag_pickle.pickle
        task = dag.get_task(task_id=args.task_id)

    task_start_date = None
    if args.task_start_date:
        task_start_date = dateutil.parser.parse(args.task_start_date)
        task.start_date = task_start_date
    ti = TaskInstance(task, args.execution_date)

    if args.local:
        print("Logging into: " + filename)
        run_job = jobs.LocalTaskJob(
            task_instance=ti,
            mark_success=args.mark_success,
            force=args.force,
            pickle_id=args.pickle,
            task_start_date=task_start_date,
            ignore_dependencies=args.ignore_dependencies,
            pool=args.pool)
        run_job.run()
    elif args.raw:
        ti.run(
            mark_success=args.mark_success,
            force=args.force,
            ignore_dependencies=args.ignore_dependencies,
            job_id=args.job_id,
            pool=args.pool,
        )
    else:
        pickle_id = None
        if args.ship_dag:
            try:
                # Running remotely, so pickling the DAG
                session = settings.Session()
                pickle = DagPickle(dag)
                session.add(pickle)
                session.commit()
                pickle_id = pickle.id
                print(('Pickled dag {dag} '
                       'as pickle_id:{pickle_id}').format(**locals()))
            except Exception as e:
                print('Could not pickle the DAG')
                print(e)
                raise e

        executor = DEFAULT_EXECUTOR
        executor.start()
        print("Sending to executor.")
        executor.queue_task_instance(
            ti,
            mark_success=args.mark_success,
            pickle_id=pickle_id,
            ignore_dependencies=args.ignore_dependencies,
            force=args.force,
            pool=args.pool)
        executor.heartbeat()
        executor.end()

    # store logs remotely
    remote_base = configuration.get('core', 'REMOTE_BASE_LOG_FOLDER')

    # deprecated as of March 2016
    if not remote_base and configuration.get('core', 'S3_LOG_FOLDER'):
        warnings.warn(
            'The S3_LOG_FOLDER configuration key has been replaced by '
            'REMOTE_BASE_LOG_FOLDER. Your configuration still works but please '
            'update airflow.cfg to ensure future compatibility.',
            DeprecationWarning)
        remote_base = configuration.get('core', 'S3_LOG_FOLDER')

    if os.path.exists(filename):
        # read log and remove old logs to get just the latest additions

        with open(filename, 'r') as logfile:
            log = logfile.read()

        remote_log_location = filename.replace(log_base, remote_base)
        # S3

        if remote_base.startswith('s3:/'):
            utils.S3Log().write(log, remote_log_location)
        # GCS
        elif remote_base.startswith('gs:/'):
            utils.GCSLog().write(log, remote_log_location, append=True)
        # Other
        elif remote_base:
            logging.error(
                'Unsupported remote log location: {}'.format(remote_base))