def test_instance_create_aborts_and_succeeds_if_instance_exists(self, mock_hook):
mock_hook.return_value.get_instance.return_value = {"name": INSTANCE_ID}
op = CloudSpannerInstanceDeployOperator(
project_id=PROJECT_ID,
instance_id=INSTANCE_ID,
configuration_name=CONFIG_NAME,
node_count=int(NODE_COUNT),
display_name=DISPLAY_NAME,
task_id="id"
)
result = op.execute(None) # pylint: disable=assignment-from-no-return
mock_hook.assert_called_once_with(gcp_conn_id="google_cloud_default")
mock_hook.return_value.create_instance.assert_not_called()
self.assertIsNone(result)
def test_instance_create_ex_if_param_missing(self, project_id, instance_id,
exp_msg, mock_hook):
with self.assertRaises(AirflowException) as cm:
CloudSpannerInstanceDeployOperator(project_id=project_id,
instance_id=instance_id,
configuration_name=CONFIG_NAME,
node_count=int(NODE_COUNT),
display_name=DISPLAY_NAME,
task_id="id")
err = cm.exception
self.assertIn("The required parameter '{}' is empty".format(exp_msg),
str(err))
mock_hook.assert_not_called()
OPERATION_ID = 'unique_operation_id'
# [END howto_operator_spanner_arguments]
default_args = {'start_date': airflow.utils.dates.days_ago(1)}
with models.DAG(
'example_gcp_spanner',
default_args=default_args,
schedule_interval=None # Override to match your needs
) as dag:
# Create
# [START howto_operator_spanner_deploy]
spanner_instance_create_task = CloudSpannerInstanceDeployOperator(
project_id=GCP_PROJECT_ID,
instance_id=GCP_SPANNER_INSTANCE_ID,
configuration_name=GCP_SPANNER_CONFIG_NAME,
node_count=int(GCP_SPANNER_NODE_COUNT),
display_name=GCP_SPANNER_DISPLAY_NAME,
task_id='spanner_instance_create_task')
spanner_instance_update_task = CloudSpannerInstanceDeployOperator(
instance_id=GCP_SPANNER_INSTANCE_ID,
configuration_name=GCP_SPANNER_CONFIG_NAME,
node_count=int(GCP_SPANNER_NODE_COUNT) + 1,
display_name=GCP_SPANNER_DISPLAY_NAME + '_updated',
task_id='spanner_instance_update_task')
# [END howto_operator_spanner_deploy]
# [START howto_operator_spanner_database_deploy]
spanner_database_deploy_task = CloudSpannerInstanceDatabaseDeployOperator(
project_id=GCP_PROJECT_ID,
instance_id=GCP_SPANNER_INSTANCE_ID,