Source code for airflow.contrib.sensors.qubole_sensor

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from qds_sdk.qubole import Qubole
from qds_sdk.sensors import FileSensor, PartitionSensor

from airflow.exceptions import AirflowException
from airflow.hooks.base_hook import BaseHook
from airflow.sensors.base_sensor_operator import BaseSensorOperator
from airflow.utils.decorators import apply_defaults

[docs]class QuboleSensor(BaseSensorOperator): """ Base class for all Qubole Sensors :param qubole_conn_id: The qubole connection to run the sensor against :type qubole_conn_id: string :param data: a JSON object containing payload, whose presence needs to be checked :type data: a JSON object .. note:: Both ``data`` and ``qubole_conn_id`` fields are template-supported. You can also use ``.txt`` files for template driven use cases. """ template_fields = ('data', 'qubole_conn_id') template_ext = ('.txt',) @apply_defaults def __init__(self, data, qubole_conn_id="qubole_default", *args, **kwargs): = data self.qubole_conn_id = qubole_conn_id if 'poke_interval' in kwargs and kwargs['poke_interval'] < 5: raise AirflowException("Sorry, poke_interval can't be less than 5 sec for " "task '{0}' in dag '{1}'." .format(kwargs['task_id'], kwargs['dag'].dag_id)) super(QuboleSensor, self).__init__(*args, **kwargs)
[docs] def poke(self, context): conn = BaseHook.get_connection(self.qubole_conn_id) Qubole.configure(api_token=conn.password,'Poking: %s', status = False try: status = self.sensor_class.check( except Exception as e: self.log.exception(e) status = False'Status of this Poke: %s', status) return status
class QuboleFileSensor(QuboleSensor): @apply_defaults def __init__(self, *args, **kwargs): self.sensor_class = FileSensor super(QuboleFileSensor, self).__init__(*args, **kwargs) class QubolePartitionSensor(QuboleSensor): @apply_defaults def __init__(self, *args, **kwargs): self.sensor_class = PartitionSensor super(QubolePartitionSensor, self).__init__(*args, **kwargs)