Source code for airflow.contrib.operators.emr_terminate_job_flow_operator
# -*- coding: utf-8 -*-
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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_id: str
:param aws_conn_id: aws connection to uses
:type aws_conn_id: str
"""
[docs] template_fields = ['job_flow_id']
@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
[docs] 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)