mladjan-gadzic opened a new pull request, #4521:
URL: https://github.com/apache/ozone/pull/4521
## What changes were proposed in this pull request?
Add SCM HA metrics to `/jmx` and `/prom` endpoints.
```
{
"name": "Hadoop:service=StorageContainerManager,name=SCMHAMetrics",
"modelerType": "SCMHAMetrics",
"tag.NodeId": "3c8c82f5-524a-41f4-beea-8dcd868fbf91",
"tag.Hostname": "bca1fb37b8aa",
"SCMHALeaderState": 1
}
```
```
# TYPE scmha_metrics_scmha_leader_state gauge
scmha_metrics_scmha_leader_state{nodeid="3c8c82f5-524a-41f4-beea-8dcd868fbf91",hostname="bca1fb37b8aa"}
1
```
Similar PR: https://github.com/apache/ozone/pull/4140.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-8363
## How was this patch tested?
- unit
- integration
- manual
Steps for manual test:
- start Docker cluster for HA environment `ozone-ha` and wait for it to be
ready
- check if SCM HA metrics are initialized correctly
- stop SCM leader node and wait for new leader to be elected
- check if SCM HA metrics are updated correctly
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