Values:
CLOUD_FUNCTION_STATUS_UNSPECIFIED (0):
Not specified. Invalid state.
ACTIVE (1):
Function has been successfully deployed and
is serving.
OFFLINE (2):
Function deployment failed and the function
isn’t serving.
DEPLOY_IN_PROGRESS (3):
Function is being created or updated.
DELETE_IN_PROGRESS (4):
Function is being deleted.
UNKNOWN (5):
Function deployment failed and the function
serving state is undefined. The function should
be updated or deleted to move it out of this
state.
