def test_resolve_connection_spark_k8s_cluster_ns_conf(self):
# Given we specify the config option directly
conf = {
'spark.kubernetes.namespace': 'airflow',
}
hook = SparkSubmitHook(conn_id='spark_k8s_cluster', conf=conf)
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
dict_cmd = self.cmd_args_to_dict(cmd)
expected_spark_connection = {
"spark_home": "/opt/spark",
"queue": None,
"spark_binary": "spark-submit",
"master": "k8s://https://k8s-master",
"deploy_mode": "cluster",
"namespace": "airflow",
}
assert connection == expected_spark_connection
assert dict_cmd["--master"] == "k8s://https://k8s-master"
assert dict_cmd["--deploy-mode"] == "cluster"
assert dict_cmd["--conf"] == "spark.kubernetes.namespace=airflow"
def test_resolve_connection_spark_standalone_cluster_connection(self):
# Given
hook = SparkSubmitHook(conn_id='spark_standalone_cluster')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
expected_spark_connection = {"master": "spark://spark-standalone-master:6066",
"spark_binary": "spark-submit",
"deploy_mode": "cluster",
"queue": None,
"spark_home": "/path/to/spark_home",
"namespace": None}
self.assertEqual(connection, expected_spark_connection)
self.assertEqual(cmd[0], '/path/to/spark_home/bin/spark-submit')
def test_resolve_connection_spark_binary_default_value(self):
# Given
hook = SparkSubmitHook(conn_id='spark_default')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
expected_spark_connection = {"master": "yarn",
"spark_binary": "spark-submit",
"deploy_mode": None,
"queue": 'root.default',
"spark_home": None,
"namespace": None}
self.assertEqual(connection, expected_spark_connection)
self.assertEqual(cmd[0], 'spark-submit')
def test_resolve_connection_spark_home_set_connection(self):
# Given
hook = SparkSubmitHook(conn_id='spark_home_set')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
expected_spark_connection = {"master": "yarn://yarn-master",
"spark_binary": "spark-submit",
"deploy_mode": None,
"queue": None,
"spark_home": "/opt/myspark",
"namespace": None}
self.assertEqual(connection, expected_spark_connection)
self.assertEqual(cmd[0], '/opt/myspark/bin/spark-submit')
def test_resolve_connection_mesos_default_connection(self):
# Given
hook = SparkSubmitHook(conn_id='spark_default_mesos')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
dict_cmd = self.cmd_args_to_dict(cmd)
expected_spark_connection = {"master": "mesos://host:5050",
"spark_binary": "spark-submit",
"deploy_mode": None,
"queue": None,
"spark_home": None,
"namespace": None}
self.assertEqual(connection, expected_spark_connection)
self.assertEqual(dict_cmd["--master"], "mesos://host:5050")
def test_resolve_connection_spark_binary_and_home_set_connection(self):
# Given
hook = SparkSubmitHook(conn_id='spark_binary_and_home_set')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
expected_spark_connection = {
"master": "yarn",
"spark_binary": "custom-spark-submit",
"deploy_mode": None,
"queue": None,
"spark_home": "/path/to/spark_home",
"namespace": None,
}
assert connection == expected_spark_connection
assert cmd[0] == '/path/to/spark_home/bin/custom-spark-submit'
def test_resolve_connection_spark_k8s_cluster_connection(self):
# Given
hook = SparkSubmitHook(conn_id='spark_k8s_cluster')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
dict_cmd = self.cmd_args_to_dict(cmd)
expected_spark_connection = {"spark_home": "/opt/spark",
"queue": None,
"spark_binary": "spark-submit",
"master": "k8s://https://k8s-master",
"deploy_mode": "cluster",
"namespace": "mynamespace"}
self.assertEqual(connection, expected_spark_connection)
self.assertEqual(dict_cmd["--master"], "k8s://https://k8s-master")
self.assertEqual(dict_cmd["--deploy-mode"], "cluster")
def test_resolve_connection_spark_binary_default_value_override(self):
# Given
hook = SparkSubmitHook(conn_id='spark_binary_set',
spark_binary='another-custom-spark-submit')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
expected_spark_connection = {
"master": "yarn",
"spark_binary": "another-custom-spark-submit",
"deploy_mode": None,
"queue": None,
"spark_home": None,
"namespace": None,
}
assert connection == expected_spark_connection
assert cmd[0] == 'another-custom-spark-submit'
def test_resolve_connection_yarn_default(self):
# Given
hook = SparkSubmitHook(conn_id='')
# When
connection = hook._resolve_connection()
cmd = hook._build_spark_submit_command(self._spark_job_file)
# Then
dict_cmd = self.cmd_args_to_dict(cmd)
expected_spark_connection = {
"master": "yarn",
"spark_binary": "spark-submit",
"deploy_mode": None,
"queue": None,
"spark_home": None,
"namespace": None,
}
assert connection == expected_spark_connection
assert dict_cmd["--master"] == "yarn"
