Source code for airflow.contrib.operators.emr_terminate_job_flow_operator

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from airflow.models import BaseOperator
from airflow.utils import apply_defaults
from airflow.exceptions import AirflowException
from airflow.contrib.hooks.emr_hook import EmrHook


[docs]class EmrTerminateJobFlowOperator(BaseOperator): """ Operator to terminate EMR JobFlows. :param job_flow_id: id of the JobFlow to terminate. (templated) :type job_flow_name: str :param aws_conn_id: aws connection to uses :type aws_conn_id: str """ template_fields = ['job_flow_id'] template_ext = () ui_color = '#f9c915' @apply_defaults def __init__( self, job_flow_id, aws_conn_id='s3_default', *args, **kwargs): super(EmrTerminateJobFlowOperator, self).__init__(*args, **kwargs) self.job_flow_id = job_flow_id self.aws_conn_id = aws_conn_id def execute(self, context): emr = EmrHook(aws_conn_id=self.aws_conn_id).get_conn() self.log.info('Terminating JobFlow %s', self.job_flow_id) response = emr.terminate_job_flows(JobFlowIds=[self.job_flow_id]) if not response['ResponseMetadata']['HTTPStatusCode'] == 200: raise AirflowException('JobFlow termination failed: %s' % response) else: self.log.info('JobFlow with id %s terminated', self.job_flow_id)