[UIMA-5858] UIMA-DUCC: Agent should publish its state (Available|Unavailable) in metrics

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-Ducc
• Component/s: DUCC
• Assignee: Jaroslaw Cwiklik
• Reporter: Jaroslaw Cwiklik
• Created: 27/Aug/18 13:40
• Updated: 27/Aug/18 14:43
• Resolved: 27/Aug/18 14:43

Description

Add agent state when publishing metrics. When agent is asked to stop or quiesce it will change is state to Unavailable to let clients know that it is stopping. The RM will stop scheduling work on a node which is in Unavailable state.