Source code for airflow.contrib.sensors.aws_redshift_cluster_sensor

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from airflow.contrib.hooks.redshift_hook import RedshiftHook
from airflow.sensors.base_sensor_operator import BaseSensorOperator
from airflow.utils.decorators import apply_defaults


[docs]class AwsRedshiftClusterSensor(BaseSensorOperator): """ Waits for a Redshift cluster to reach a specific status. :param cluster_identifier: The identifier for the cluster being pinged. :type cluster_identifier: str :param target_status: The cluster status desired. :type target_status: str """ template_fields = ('cluster_identifier', 'target_status') @apply_defaults def __init__(self, cluster_identifier, target_status='available', aws_conn_id='aws_default', *args, **kwargs): super(AwsRedshiftClusterSensor, self).__init__(*args, **kwargs) self.cluster_identifier = cluster_identifier self.target_status = target_status self.aws_conn_id = aws_conn_id
[docs] def poke(self, context): self.log.info('Poking for status : {self.target_status}\n' 'for cluster {self.cluster_identifier}'.format(**locals())) hook = RedshiftHook(aws_conn_id=self.aws_conn_id) return hook.cluster_status(self.cluster_identifier) == self.target_status