Postprocessing service
The postprocessing service handles coordination of asynchronous postprocessing.
Postprocessing functionality
The storageprovider service (storage-users) can be configured to do asynchronous postprocessing by setting the STORAGE_USERS_OCIS_ASYNC_UPLOADS envvar to true.
If this is the case, the storageprovider will initiate an asynchronous postprocessing after he has reveived all bytes of an upload. The postprocessing service will then
coordinate various postprocessing steps (like e.g. scan the file for viruses). During postprocessing the file will be in a processing state during which only limited actions are available.
Prerequisites for using postprocessing service
In the storageprovider (storage-users) set STORAGE_USERS_OCIS_ASYNC_UPLOADS envvar to true. Configuring any postprocessing step will require an additional service to be enabled and configured.
For example to use virusscan step one needs to have an enabled and configured antivirus service.
All of this functionality will need an event system to be configured for all services: ocis ships with
nats enabled by default.
Postprocessing steps
As of now ocis allows two different postprocessing steps to be enabled via envvar
Virus scanning
Can be set via envvar POSTPROCESSING_VIRUSSCAN. This means that each upload is virus scanned during postprocessing. antivirus service is needed for this to work.
Delay
Can be set via envvar POSTPROCESSING_DELAY. This step will just sleep for the configured amount of time. Intended for testing postprocessing functionality. NOT RECOMMENDED on productive systems.