def execute(self, context):
hook = CloudSpannerHook(gcp_conn_id=self.gcp_conn_id)
if hook.get_instance(project_id=self.project_id, instance_id=self.instance_id):
return hook.delete_instance(project_id=self.project_id,
instance_id=self.instance_id)
else:
self.log.info("Instance '%s' does not exist in project '%s'. "
"Aborting delete.", self.instance_id, self.project_id)
return True
class CloudSpannerInstanceDeleteOperator(BaseOperator):
"""
Deletes a Cloud Spanner instance. If an instance does not exist,
no action is taken and the operator succeeds.
.. seealso::
For more information on how to use this operator, take a look at the guide:
:ref:`howto/operator:CloudSpannerInstanceDeleteOperator`
:param instance_id: The Cloud Spanner instance ID.
:type instance_id: str
:param project_id: Optional, the ID of the project that owns the Cloud Spanner
Database. If set to None or missing, the default project_id from the GCP connection is used.
:type project_id: str
:param gcp_conn_id: The connection ID used to connect to Google Cloud Platform.
:type gcp_conn_id: str
"""
# [START gcp_spanner_delete_template_fields]
template_fields = ('project_id', 'instance_id', 'gcp_conn_id')
# [END gcp_spanner_delete_template_fields]
@apply_defaults
def __init__(self,
instance_id,
project_id=None,
gcp_conn_id='google_cloud_default',
*args,
**kwargs):
self.instance_id = instance_id
self.project_id = project_id
self.gcp_conn_id = gcp_conn_id
self._validate_inputs()
self._hook = CloudSpannerHook(gcp_conn_id=gcp_conn_id)
super().__init__(*args, **kwargs)
def _validate_inputs(self):
if self.project_id == '':
raise AirflowException(
"The required parameter 'project_id' is empty")
if not self.instance_id:
raise AirflowException("The required parameter 'instance_id' "
"is empty or None")
def execute(self, context):
if self._hook.get_instance(project_id=self.project_id,
instance_id=self.instance_id):
return self._hook.delete_instance(project_id=self.project_id,
instance_id=self.instance_id)
else:
self.log.info(
"Instance '%s' does not exist in project '%s'. "
"Aborting delete.", self.instance_id, self.project_id)
return True
def execute(self, context):
hook = CloudSpannerHook(gcp_conn_id=self.gcp_conn_id)
if not hook.get_instance(project_id=self.project_id, instance_id=self.instance_id):
self.log.info("Creating Cloud Spanner instance '%s'", self.instance_id)
func = hook.create_instance
else:
self.log.info("Updating Cloud Spanner instance '%s'", self.instance_id)
func = hook.update_instance
func(project_id=self.project_id,
instance_id=self.instance_id,
configuration_name=self.configuration_name,
node_count=self.node_count,
display_name=self.display_name)
class TestGcpSpannerHookNoDefaultProjectID(unittest.TestCase):
def setUp(self):
with mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.__init__',
new=mock_base_gcp_hook_no_default_project_id):
self.spanner_hook_no_default_project_id = CloudSpannerHook(
gcp_conn_id='test')
@mock.patch("airflow.gcp.hooks.spanner.CloudSpannerHook.client_info",
new_callable=mock.PropertyMock)
@mock.patch("airflow.gcp.hooks.spanner.CloudSpannerHook._get_credentials",
return_value="CREDENTIALS")
@mock.patch("airflow.gcp.hooks.spanner.Client")
def test_spanner_client_creation(self, mock_client, mock_get_creds,
mock_client_info):
result = self.spanner_hook_no_default_project_id._get_client(
GCP_PROJECT_ID_HOOK_UNIT_TEST)
mock_client.assert_called_once_with(
project=GCP_PROJECT_ID_HOOK_UNIT_TEST,
credentials=mock_get_creds.return_value,
client_info=mock_client_info.return_value)
self.assertEqual(mock_client.return_value, result)
self.assertEqual(self.spanner_hook_no_default_project_id._client,
result)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_existing_instance_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.get_instance(
instance_id=SPANNER_INSTANCE)
get_client.assert_not_called()
instance_method.assert_not_called()
instance_exists_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_existing_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
res = self.spanner_hook_no_default_project_id.get_instance(
instance_id=SPANNER_INSTANCE,
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
self.assertIsNotNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_non_existing_instance(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = False
res = self.spanner_hook_no_default_project_id.get_instance(
instance_id=SPANNER_INSTANCE,
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_instance_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
create_method = instance_method.return_value.create
create_method.return_value = False
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.create_instance(
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=1,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
get_client.assert_not_called()
instance_method.assert_not_called()
create_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
create_method = instance_method.return_value.create
create_method.return_value = False
res = self.spanner_hook_no_default_project_id.create_instance(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=1,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(
instance_id='instance',
configuration_name='configuration',
display_name='database-name',
node_count=1)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_instance_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
update_method = instance_method.return_value.update
update_method.return_value = False
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.update_instance(
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=2,
display_name=SPANNER_DATABASE)
get_client.assert_not_called()
instance_method.assert_not_called()
update_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
update_method = instance_method.return_value.update
update_method.return_value = False
res = self.spanner_hook_no_default_project_id.update_instance(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=2,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(
instance_id='instance',
configuration_name='configuration',
display_name='database-name',
node_count=2)
update_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_instance_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
delete_method = instance_method.return_value.delete
delete_method.return_value = False
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.delete_instance(
instance_id=SPANNER_INSTANCE)
get_client.assert_not_called()
instance_method.assert_not_called()
delete_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
delete_method = instance_method.return_value.delete
delete_method.return_value = False
res = self.spanner_hook_no_default_project_id.delete_instance(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with('instance')
delete_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_database_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_exists_method = instance_method.return_value.exists
database_exists_method.return_value = True
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.get_database(
instance_id=SPANNER_INSTANCE, database_id=SPANNER_DATABASE)
get_client.assert_not_called()
instance_method.assert_not_called()
database_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_exists_method = instance_method.return_value.exists
database_exists_method.return_value = True
res = self.spanner_hook_no_default_project_id.get_database(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
self.assertIsNotNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_database_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_create_method = database_method.return_value.create
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.create_database(
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_not_called()
instance_method.assert_not_called()
database_method.assert_not_called()
database_create_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_create_method = database_method.return_value.create
res = self.spanner_hook_no_default_project_id.create_database(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name',
ddl_statements=[])
database_create_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_database_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_update_method = database_method.return_value.update
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.update_database(
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_not_called()
instance_method.assert_not_called()
database_method.assert_not_called()
database_update_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_update_ddl_method = database_method.return_value.update_ddl
res = self.spanner_hook_no_default_project_id.update_database(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_update_ddl_method.assert_called_once_with(ddl_statements=[],
operation_id=None)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_database_overridden_project_id_and_operation(
self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_update_ddl_method = database_method.return_value.update_ddl
res = self.spanner_hook_no_default_project_id.update_database(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
operation_id="operation",
ddl_statements=[])
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_update_ddl_method.assert_called_once_with(
ddl_statements=[], operation_id="operation")
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_database_missing_project_id(self, get_client,
mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_drop_method = database_method.return_value.drop
database_exists_method = database_method.return_value.exists
database_exists_method.return_value = True
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.delete_database(
instance_id=SPANNER_INSTANCE, database_id=SPANNER_DATABASE)
get_client.assert_not_called()
instance_method.assert_not_called()
database_method.assert_not_called()
database_exists_method.assert_not_called()
database_drop_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_drop_method = database_method.return_value.drop
database_exists_method = database_method.return_value.exists
database_exists_method.return_value = True
res = self.spanner_hook_no_default_project_id.delete_database(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
database_drop_method.assert_called_once_with()
self.assertTrue(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_database_missing_database(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_drop_method = database_method.return_value.drop
database_exists_method = database_method.return_value.exists
database_exists_method.return_value = False
self.spanner_hook_no_default_project_id.delete_database(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
database_drop_method.assert_not_called()
@mock.patch('airflow.gcp.hooks.base.GoogleCloudBaseHook.project_id',
new_callable=PropertyMock,
return_value=None)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_execute_dml_missing_project_id(self, get_client, mock_project_id):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
run_in_transaction_method = database_method.return_value.run_in_transaction
with self.assertRaises(AirflowException) as cm:
self.spanner_hook_no_default_project_id.execute_dml(
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
queries='')
get_client.assert_not_called()
instance_method.assert_not_called()
database_method.assert_not_called()
run_in_transaction_method.assert_not_called()
err = cm.exception
self.assertIn("The project id must be passed", str(err))
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_execute_dml_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
run_in_transaction_method = database_method.return_value.run_in_transaction
res = self.spanner_hook_no_default_project_id.execute_dml(
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST,
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
queries='')
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
run_in_transaction_method.assert_called_once_with(mock.ANY)
self.assertIsNone(res)
class TestGcpSpannerHookDefaultProjectId(unittest.TestCase):
def setUp(self):
with mock.patch(
'airflow.contrib.hooks.gcp_api_base_hook.GoogleCloudBaseHook.__init__',
new=mock_base_gcp_hook_default_project_id):
self.spanner_hook_default_project_id = CloudSpannerHook(
gcp_conn_id='test')
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_existing_instance(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
res = self.spanner_hook_default_project_id.get_instance(
instance_id=SPANNER_INSTANCE,
project_id=GCP_PROJECT_ID_HOOK_UNIT_TEST)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
self.assertIsNotNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_existing_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
res = self.spanner_hook_default_project_id.get_instance(
instance_id=SPANNER_INSTANCE, project_id='new-project')
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(instance_id='instance')
self.assertIsNotNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_instance(self, get_client):
instance_method = get_client.return_value.instance
create_method = instance_method.return_value.create
create_method.return_value = False
res = self.spanner_hook_default_project_id.create_instance(
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=1,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(
instance_id='instance',
configuration_name='configuration',
display_name='database-name',
node_count=1)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
create_method = instance_method.return_value.create
create_method.return_value = False
res = self.spanner_hook_default_project_id.create_instance(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=1,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(
instance_id='instance',
configuration_name='configuration',
display_name='database-name',
node_count=1)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_instance(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
update_method = instance_method.return_value.update
update_method.return_value = False
res = self.spanner_hook_default_project_id.update_instance(
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=2,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(
instance_id='instance',
configuration_name='configuration',
display_name='database-name',
node_count=2)
update_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
update_method = instance_method.return_value.update
update_method.return_value = False
res = self.spanner_hook_default_project_id.update_instance(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
configuration_name=SPANNER_CONFIGURATION,
node_count=2,
display_name=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(
instance_id='instance',
configuration_name='configuration',
display_name='database-name',
node_count=2)
update_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_instance(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
delete_method = instance_method.return_value.delete
delete_method.return_value = False
res = self.spanner_hook_default_project_id.delete_instance(
instance_id=SPANNER_INSTANCE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with('instance')
delete_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_instance_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
delete_method = instance_method.return_value.delete
delete_method.return_value = False
res = self.spanner_hook_default_project_id.delete_instance(
project_id='new-project', instance_id=SPANNER_INSTANCE)
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with('instance')
delete_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_database(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_exists_method = instance_method.return_value.exists
database_exists_method.return_value = True
res = self.spanner_hook_default_project_id.get_database(
instance_id=SPANNER_INSTANCE, database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
self.assertIsNotNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_get_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_exists_method = instance_method.return_value.exists
database_exists_method.return_value = True
res = self.spanner_hook_default_project_id.get_database(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
self.assertIsNotNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_database(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_create_method = database_method.return_value.create
res = self.spanner_hook_default_project_id.create_database(
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name',
ddl_statements=[])
database_create_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_create_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_create_method = database_method.return_value.create
res = self.spanner_hook_default_project_id.create_database(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name',
ddl_statements=[])
database_create_method.assert_called_once_with()
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_database(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_update_ddl_method = database_method.return_value.update_ddl
res = self.spanner_hook_default_project_id.update_database(
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_update_ddl_method.assert_called_once_with(ddl_statements=[],
operation_id=None)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_update_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_update_ddl_method = database_method.return_value.update_ddl
res = self.spanner_hook_default_project_id.update_database(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
ddl_statements=[])
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_update_ddl_method.assert_called_once_with(ddl_statements=[],
operation_id=None)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_database(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_drop_method = database_method.return_value.drop
database_exists_method = database_method.return_value.exists
database_exists_method.return_value = True
res = self.spanner_hook_default_project_id.delete_database(
instance_id=SPANNER_INSTANCE, database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
database_drop_method.assert_called_once_with()
self.assertTrue(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_delete_database_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
database_drop_method = database_method.return_value.drop
database_exists_method = database_method.return_value.exists
database_exists_method.return_value = True
res = self.spanner_hook_default_project_id.delete_database(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE)
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
database_exists_method.assert_called_once_with()
database_drop_method.assert_called_once_with()
self.assertTrue(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_execute_dml(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
run_in_transaction_method = database_method.return_value.run_in_transaction
res = self.spanner_hook_default_project_id.execute_dml(
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
queries='')
get_client.assert_called_once_with(project_id='example-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
run_in_transaction_method.assert_called_once_with(mock.ANY)
self.assertIsNone(res)
@mock.patch('airflow.gcp.hooks.spanner.CloudSpannerHook._get_client')
def test_execute_dml_overridden_project_id(self, get_client):
instance_method = get_client.return_value.instance
instance_exists_method = instance_method.return_value.exists
instance_exists_method.return_value = True
database_method = instance_method.return_value.database
run_in_transaction_method = database_method.return_value.run_in_transaction
res = self.spanner_hook_default_project_id.execute_dml(
project_id='new-project',
instance_id=SPANNER_INSTANCE,
database_id=SPANNER_DATABASE,
queries='')
get_client.assert_called_once_with(project_id='new-project')
instance_method.assert_called_once_with(instance_id='instance')
database_method.assert_called_once_with(database_id='database-name')
run_in_transaction_method.assert_called_once_with(mock.ANY)
self.assertIsNone(res)
class CloudSpannerInstanceDeployOperator(BaseOperator):
"""
Creates a new Cloud Spanner instance, or if an instance with the same instance_id
exists in the specified project, updates the Cloud Spanner instance.
:param instance_id: Cloud Spanner instance ID.
:type instance_id: str
:param configuration_name: The name of the Cloud Spanner instance configuration
defining how the instance will be created. Required for
instances that do not yet exist.
:type configuration_name: str
:param node_count: (Optional) The number of nodes allocated to the Cloud Spanner
instance.
:type node_count: int
:param display_name: (Optional) The display name for the Cloud Spanner instance in
the GCP Console. (Must be between 4 and 30 characters.) If this value is not set
in the constructor, the name is the same as the instance ID.
:type display_name: str
:param project_id: Optional, the ID of the project which owns the Cloud Spanner
Database. If set to None or missing, the default project_id from the GCP connection is used.
:type project_id: str
:param gcp_conn_id: The connection ID used to connect to Google Cloud Platform.
:type gcp_conn_id: str
"""
# [START gcp_spanner_deploy_template_fields]
template_fields = ('project_id', 'instance_id', 'configuration_name',
'display_name', 'gcp_conn_id')
# [END gcp_spanner_deploy_template_fields]
@apply_defaults
def __init__(self,
instance_id,
configuration_name,
node_count,
display_name,
project_id=None,
gcp_conn_id='google_cloud_default',
*args,
**kwargs):
self.instance_id = instance_id
self.project_id = project_id
self.configuration_name = configuration_name
self.node_count = node_count
self.display_name = display_name
self.gcp_conn_id = gcp_conn_id
self._validate_inputs()
self._hook = CloudSpannerHook(gcp_conn_id=gcp_conn_id)
super().__init__(*args, **kwargs)
def _validate_inputs(self):
if self.project_id == '':
raise AirflowException(
"The required parameter 'project_id' is empty")
if not self.instance_id:
raise AirflowException("The required parameter 'instance_id' "
"is empty or None")
def execute(self, context):
if not self._hook.get_instance(project_id=self.project_id,
instance_id=self.instance_id):
self.log.info("Creating Cloud Spanner instance '%s'",
self.instance_id)
func = self._hook.create_instance
else:
self.log.info("Updating Cloud Spanner instance '%s'",
self.instance_id)
func = self._hook.update_instance
func(project_id=self.project_id,
instance_id=self.instance_id,
configuration_name=self.configuration_name,
node_count=self.node_count,
display_name=self.display_name)