krishna-st opened a new pull request, #17475:
URL: https://github.com/apache/pinot/pull/17475
Add GET /minions/status API endpoint
Implements new REST endpoint to query minion instance status including
running task counts and drain state. Supports filtering by status
(ONLINE/DRAINED) and limiting results.
- Added `GET /minions/status` endpoint in `PinotMinionRestletResource`
- Queries Helix for minion metadata and running tasks
- Counts RUNNING/INIT tasks per minion
Sample API Output
```json
Request: GET /minions/status
{
"currentMinionCount": 12,
"minionStatus": [
{
"instanceId":
"Minion_pinot-minion-minion-0-0.pinot-pinot-minion-headless.cell-pfdz51-managed.svc.cluster.local_9514",
"host":
"pinot-minion-minion-0-0.pinot-pinot-minion-headless.cell-abcd-managed.svc.cluster.local",
"port": 9514,
"runningTaskCount": 3,
"status": "ONLINE"
},
{
"instanceId":
"Minion_pinot-minion-minion-0-1.pinot-pinot-minion-headless.cell-pfdz51-managed.svc.cluster.local_9514",
"host":
"pinot-minion-minion-0-1.pinot-pinot-minion-headless.cell-abcd-managed.svc.cluster.local",
"port": 9514,
"runningTaskCount": 0,
"status": "DRAINED"
},
.......
]
}
Request: GET /minions/status?status=DRAINED&limit=5
{
"currentMinionCount": 2,
"minionStatus": [
{
"instanceId":
"Minion_pinot-minion-minion-0-0.pinot-pinot-minion-headless.cell-pfdz51-managed.svc.cluster.local_9514",
"host":
"pinot-minion-minion-0-0.pinot-pinot-minion-headless.cell-abcd-managed.svc.cluster.local",
"port": 9514,
"runningTaskCount": 0,
"status": "DRAINED"
},
{
"instanceId":
"Minion_pinot-minion-minion-0-1.pinot-pinot-minion-headless.cell-pfdz51-managed.svc.cluster.local_9514",
"host":
"pinot-minion-minion-0-1.pinot-pinot-minion-headless.cell-abcd-managed.svc.cluster.local",
"port": 9514,
"runningTaskCount": 3,
"status": "DRAINED"
}
]
}
```
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