HDDS-2860. Cluster disk space metrics should reflect decommission and maintenance states#433

Closed

sodonnel wants to merge 4 commits intoapache:HDDS-1880-Decomfrom

sodonnel:HDDS-2860-jmx-disk

Commits on Jan 10, 2020

Report the number of nodes the in_service, decommission and maintenance states seperately in JMX and Prom metrics
S O'Donnell
committed
Fixed failing integration test
S O'Donnell
committed
Introduce the new disk metrics for decommission and maintenance nodes
S O'Donnell
committed
Fixed compile issue caused by rebase
S O'Donnell
committed