airflow/task/task_runner/base_task_runner.py
def run_command(self, run_with=None, join_args=False):
        """
        Run the task command.

        :param run_with: list of tokens to run the task command with e.g. ``['bash', '-c']``
        :type run_with: list
        :param join_args: whether to concatenate the list of command tokens e.g. ``['airflow', 'run']`` vs
            ``['airflow run']``
        :param join_args: bool
        :return: the process that was run
        :rtype: subprocess.Popen
        """
        run_with = run_with or []
        cmd = [" ".join(self._command)] if join_args else self._command
        full_cmd = run_with + cmd

        self.log.info('Running: %s', full_cmd)
        proc = subprocess.Popen(
            full_cmd,
            stdout=subprocess.PIPE,
            stderr=subprocess.STDOUT,
            universal_newlines=True,
            close_fds=True,
            env=os.environ.copy(),
            preexec_fn=os.setsid
        )

        # Start daemon thread to read subprocess logging output
        log_reader = threading.Thread(
            target=self._read_task_logs,
            args=(proc.stdout,),
        )
        log_reader.daemon = True
        log_reader.start()
        return proc
def run_command(self, run_with=None, join_args=False):
        run_with = run_with or []
        cmd = [" ".join(self._command)] if join_args else self._command
        full_cmd = run_with + cmd

        self.log.info('Running: %s', full_cmd)
        proc = subprocess.Popen(
            full_cmd,
            stdout=subprocess.PIPE,
            stderr=subprocess.STDOUT,
            universal_newlines=True,
            close_fds=True,
            env=os.environ.copy(),
            preexec_fn=os.setsid
        )

        # Start daemon thread to read subprocess logging output
        log_reader = threading.Thread(
            target=self._read_task_logs,
            args=(proc.stdout,),
        )
        log_reader.daemon = True
        log_reader.start()
        return proc
def run_command ( self , run_with = None , join_args = False ) : run_with = run_with or [ ] cmd = [ " " . join ( self . _command ) ] if join_args else self . _command full_cmd = run_with + cmd self . log . info ( 'Running: %s' , full_cmd ) proc = subprocess . Popen ( full_cmd , stdout = subprocess . PIPE , stderr = subprocess . STDOUT , universal_newlines = True , close_fds = True , env = os . environ . copy ( ) , preexec_fn = os . setsid ) # Start daemon thread to read subprocess logging output log_reader = threading . Thread ( target = self . _read_task_logs , args = ( proc . stdout , ) , ) log_reader . daemon = True log_reader . start ( ) return proc
Run the task command.

        :param run_with: list of tokens to run the task command with e.g. ``['bash', '-c']``
        :type run_with: list
        :param join_args: whether to concatenate the list of command tokens e.g. ``['airflow', 'run']`` vs
            ``['airflow run']``
        :param join_args: bool
        :return: the process that was run
        :rtype: subprocess.Popen
Run the task command .