def execute(self, context: "Context") -> dict:
hook = DataprocMetastoreHook(
gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain
)
self.log.info("Creating Dataproc Metastore service: %s", self.project_id)
try:
operation = hook.create_service(
region=self.region,
project_id=self.project_id,
service=self.service,
service_id=self.service_id,
request_id=self.request_id,
retry=self.retry,
timeout=self.timeout,
metadata=self.metadata,
)
service = hook.wait_for_operation(self.timeout, operation)
self.log.info("Service %s created successfully", self.service_id)
except HttpError as err:
if err.resp.status not in (409, '409'):
raise
self.log.info("Instance %s already exists", self.service_id)
service = hook.get_service(
region=self.region,
project_id=self.project_id,
service_id=self.service_id,
retry=self.retry,
timeout=self.timeout,
metadata=self.metadata,
)
DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_SERVICE_LINK)
return Service.to_dict(service)
def execute(self, context: 'Context') -> dict:
hook = DataprocMetastoreHook(
gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain
)
self.log.info("Gets the details of a single Dataproc Metastore service: %s", self.project_id)
result = hook.get_service(
region=self.region,
project_id=self.project_id,
service_id=self.service_id,
retry=self.retry,
timeout=self.timeout,
metadata=self.metadata,
)
return Service.to_dict(result)
def execute(self, context: "Context") -> dict:
hook = DataprocMetastoreHook(
gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain
)
self.log.info("Gets the details of a single Dataproc Metastore service: %s", self.project_id)
result = hook.get_service(
region=self.region,
project_id=self.project_id,
service_id=self.service_id,
retry=self.retry,
timeout=self.timeout,
metadata=self.metadata,
)
DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_SERVICE_LINK)
return Service.to_dict(result)
def _wait_for_restore_service(self, hook: DataprocMetastoreHook):
"""
Workaround to check that restore service was finished successfully.
We discovered an issue to parse result to Restore inside the SDK
"""
for time_to_wait in exponential_sleep_generator(initial=10, maximum=120):
sleep(time_to_wait)
service = hook.get_service(
region=self.region,
project_id=self.project_id,
service_id=self.service_id,
retry=self.retry,
timeout=self.timeout,
metadata=self.metadata,
)
activities: MetadataManagementActivity = service.metadata_management_activity
restore_service: Restore = activities.restores[0]
if restore_service.state == Restore.State.SUCCEEDED:
return restore_service
if restore_service.state == Restore.State.FAILED:
raise AirflowException("Restoring service FAILED")
def _wait_for_export_metadata(self, hook: DataprocMetastoreHook):
"""
Workaround to check that export was created successfully.
We discovered a issue to parse result to MetadataExport inside the SDK
"""
for time_to_wait in exponential_sleep_generator(initial=10, maximum=120):
sleep(time_to_wait)
service = hook.get_service(
region=self.region,
project_id=self.project_id,
service_id=self.service_id,
retry=self.retry,
timeout=self.timeout,
metadata=self.metadata,
)
activities: MetadataManagementActivity = service.metadata_management_activity
metadata_export: MetadataExport = activities.metadata_exports[0]
if metadata_export.state == MetadataExport.State.SUCCEEDED:
return metadata_export
if metadata_export.state == MetadataExport.State.FAILED:
raise AirflowException(
f"Exporting metadata from Dataproc Metastore {metadata_export.name} FAILED"
)
