[KUDU-591] consensus: Return specific RPC error codes when ops fail due to incorrect role

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: M4.5
• Component/s: consensus, rpc
• Assignee: Unassigned
• Reporter: Mike Percy
• Created: 07/Jan/15 18:34
• Updated: 16/Feb/18 15:39

Description

We currently return generic RPC error codes like IllegalState when you try to write to a non-leader replica. We need to plumb specific error codes all the way through the consensus system and return them to the client, or risk having brittle or overly defensive error handling code on the client or master side.

Issue Links

• is related to: KUDU-582 Send TS specific errors back to the client when the client is supposed to take specific actions, such as trying another replica