Use Case 04 - Check for update

Check for an updated set of artifacts for a gateway.

Flow

Pre-conditions

A target with an OSGi framework and our management agent.

Basic flow

1. Target retrieves its own identity.
2. Target asks the discovery service for the location of a server.
3. Target polls the server for a list of versions.
4. If there is a version that is newer than the currently installed version, poll for this update.
5. Install the update.
6. Report back to the server.

Alternative flows

• If no server can be found, do nothing.
• If there is no newer version, do nothing.
• If the update cannot be installed, roll back to the previous version.