def get_api(provider):
"""Returns thread local API instance for cloud provider.
Uses thread local storage to make sure only one instance of an API exists
per thread per provider.
Args:
provider (storage_url.ProviderPrefix): Cloud provider prefix.
Returns:
CloudApi client object for provider argument.
Raises:
ValueError: Invalid API provider.
"""
if properties.VALUES.storage.use_threading_local.GetBool():
api_client = getattr(_cloud_api_thread_local_storage, provider.value,
None)
if api_client:
return api_client
if provider == storage_url.ProviderPrefix.GCS:
api_client = gcs_api.GcsApi()
elif provider == storage_url.ProviderPrefix.S3:
api_client = s3_api.S3Api()
else:
raise ValueError(
'Provider must be a valid storage_url.ProviderPrefix.')
if properties.VALUES.storage.use_threading_local.GetBool():
setattr(_cloud_api_thread_local_storage, provider.value, api_client)
return api_client
def get_api(provider):
"""Returns API instance for cloud provider.
Args:
provider (ProviderPrefix): Cloud provider prefix.
Returns:
CloudApi instance for specific cloud provider.
Raises:
ValueError: Invalid API provider.
"""
# TODO(b/167685797): Use thread-local.
if provider == storage_url.ProviderPrefix.GCS:
return gcs_api.GcsApi()
elif provider == storage_url.ProviderPrefix.S3:
return s3_api.S3Api()
raise ValueError('Provider API value must be "gs" or "s3".')
def SetUp(self): self.s3_api = s3_api.S3Api() self.stubber = stub.Stubber(self.s3_api.client)