kaxil closed pull request #4418: [AIRFLOW-3610] Add region param for EMR
jobflow creation
URL: https://github.com/apache/airflow/pull/4418
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/airflow/contrib/hooks/emr_hook.py
b/airflow/contrib/hooks/emr_hook.py
index fcdf4ac848..7571d0988f 100644
--- a/airflow/contrib/hooks/emr_hook.py
+++ b/airflow/contrib/hooks/emr_hook.py
@@ -27,12 +27,13 @@ class EmrHook(AwsHook):
create_job_flow method.
"""
- def __init__(self, emr_conn_id=None, *args, **kwargs):
+ def __init__(self, emr_conn_id=None, region_name=None, *args, **kwargs):
self.emr_conn_id = emr_conn_id
+ self.region_name = region_name
super(EmrHook, self).__init__(*args, **kwargs)
def get_conn(self):
- self.conn = self.get_client_type('emr')
+ self.conn = self.get_client_type('emr', self.region_name)
return self.conn
def create_job_flow(self, job_flow_overrides):
diff --git a/airflow/contrib/operators/emr_create_job_flow_operator.py
b/airflow/contrib/operators/emr_create_job_flow_operator.py
index 60256235c6..bcb625b00a 100644
--- a/airflow/contrib/operators/emr_create_job_flow_operator.py
+++ b/airflow/contrib/operators/emr_create_job_flow_operator.py
@@ -46,6 +46,7 @@ def __init__(
aws_conn_id='s3_default',
emr_conn_id='emr_default',
job_flow_overrides=None,
+ region_name=None,
*args, **kwargs):
super(EmrCreateJobFlowOperator, self).__init__(*args, **kwargs)
self.aws_conn_id = aws_conn_id
@@ -53,9 +54,10 @@ def __init__(
if job_flow_overrides is None:
job_flow_overrides = {}
self.job_flow_overrides = job_flow_overrides
+ self.region_name = region_name
def execute(self, context):
- emr = EmrHook(aws_conn_id=self.aws_conn_id,
emr_conn_id=self.emr_conn_id)
+ emr = EmrHook(aws_conn_id=self.aws_conn_id,
emr_conn_id=self.emr_conn_id, region_name=self.region_name)
self.log.info(
'Creating JobFlow using aws-conn-id: %s, emr-conn-id: %s',
diff --git a/tests/contrib/hooks/test_emr_hook.py
b/tests/contrib/hooks/test_emr_hook.py
index 27f2c2250d..03f23f6906 100644
--- a/tests/contrib/hooks/test_emr_hook.py
+++ b/tests/contrib/hooks/test_emr_hook.py
@@ -38,7 +38,7 @@ def setUp(self):
@mock_emr
def test_get_conn_returns_a_boto3_connection(self):
- hook = EmrHook(aws_conn_id='aws_default')
+ hook = EmrHook(aws_conn_id='aws_default', region_name='ap-southeast-2')
self.assertIsNotNone(hook.get_conn().list_clusters())
@mock_emr
diff --git a/tests/contrib/operators/test_emr_create_job_flow_operator.py
b/tests/contrib/operators/test_emr_create_job_flow_operator.py
index 704f5982d8..fd95f78fd2 100644
--- a/tests/contrib/operators/test_emr_create_job_flow_operator.py
+++ b/tests/contrib/operators/test_emr_create_job_flow_operator.py
@@ -71,12 +71,14 @@ def setUp(self):
aws_conn_id='aws_default',
emr_conn_id='emr_default',
job_flow_overrides=self._config,
+ region_name='ap-southeast-2',
dag=DAG('test_dag_id', default_args=args)
)
def test_init(self):
self.assertEqual(self.operator.aws_conn_id, 'aws_default')
self.assertEqual(self.operator.emr_conn_id, 'emr_default')
+ self.assertEqual(self.operator.region_name, 'ap-southeast-2')
def test_render_template(self):
ti = TaskInstance(self.operator, DEFAULT_DATE)
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