fix(cloud-tasks): report capacity-shortage error instead of internal ICMS string - #1618
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rohithb-hub wants to merge 2 commits into
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fix(cloud-tasks): report capacity-shortage error instead of internal ICMS string#1618rohithb-hub wants to merge 2 commits into
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Path: .coderabbit.yaml Review profile: CHILL Plan: Enterprise Run ID: 📒 Files selected for processing (2)
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Included review availability: Your plan provides up to 12 included reviews per hour; 10 remain after this review. 📝 WalkthroughWalkthroughThe change adds a shared GPU-specific provisioning timeout message. Queued and launched task monitors use it when ICMS returns no instances after the grace period. Integration tests verify errored status, health errors, events, and absent ICMS request IDs. ChangesProvisioning timeout error reporting
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: ⚪ Minimal · up to This change replaces internal provisioning lookup details with a clearer capacity-related timeout message for queued and launched tasks, with no identified merge-blocking risk. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In
`@src/control-plane-services/cloud-tasks/nvct-core/src/test/java/com/nvidia/nvct/service/scheduler/MonitorLaunchedTasksRoutineTest.java`:
- Around line 216-217: Strengthen the ICMS request-identifier assertions in
MonitorLaunchedTasksRoutineTest.java lines 216-217 and
MonitorQueuedTasksRoutineTest.java lines 224-225 so healthInfo.error()
explicitly does not contain TEST_ICMS_REQ_ID_1, while preserving the existing
capacity-exhaustion assertions.
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src/control-plane-services/cloud-tasks/nvct-core/src/main/java/com/nvidia/nvct/service/scheduler/CommonRoutineService.javasrc/control-plane-services/cloud-tasks/nvct-core/src/main/java/com/nvidia/nvct/service/scheduler/MonitorLaunchedTasksRoutine.javasrc/control-plane-services/cloud-tasks/nvct-core/src/main/java/com/nvidia/nvct/service/scheduler/MonitorQueuedTasksRoutine.javasrc/control-plane-services/cloud-tasks/nvct-core/src/test/java/com/nvidia/nvct/service/scheduler/MonitorLaunchedTasksRoutineTest.javasrc/control-plane-services/cloud-tasks/nvct-core/src/test/java/com/nvidia/nvct/service/scheduler/MonitorQueuedTasksRoutineTest.java
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🛡️ CodeQL Analysis🚨 Found 11 issue(s) Severity Breakdown:
📋 Top Issues🔗 View full details in Security tab 🕐 Last updated: 2026-09-07 14:47:59 UTC | Commit: 18a1aea |
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TL;DR
NVCT's async instance-scheduling path (task QUEUED/LAUNCHED -> ERRORED via the scheduled monitor routines) was reporting the internal implementation string
No corresponding ICMS request-id(s) found/No corresponding ICMS instances foundinhealthInfo.errorwhenever ICMS reported no instance for a task after the grace period. This branch most commonly fires when the cluster ran out of capacity before ICMS could place the instance, but the caller had no way to tell that apart from a genuine scheduler fault.Additional Details (optional for docs, build, test, refactor, ci, chore, style, and revert PRs)
The synchronous task-create path already returns a clear, actionable capacity error ("There are no available clusters with capacity for X GPU or Y instance type") when capacity is checked at accept-time. The asynchronous path, which discovers the failure later via polling, instead hardcoded an internal ICMS-lookup string with no diagnostic value.
This change:
getNoInstanceProvisionedErrorMessage()helper inCommonRoutineServicethat builds a caller-facing message describing what NVCT observed ("No instance could be provisioned for this task before timing out (commonly caused by cluster capacity exhaustion); gpu=..., instanceType=..., backend=...").MonitorQueuedTasksRoutineandMonitorLaunchedTasksRoutine, which had the identical defect pattern.This is a reporting-only change: no scheduling, capacity, or timing behavior is modified.
For the Reviewer
Please look closely at:
CommonRoutineService.java- new shared message helperMonitorQueuedTasksRoutine.java/MonitorLaunchedTasksRoutine.java- thetransitionToErroredWhenNoIcmsRequestsFoundmethodsFor QA (optional for docs, build, test, refactor, ci, chore, style, and revert PRs)
testNoIcmsInstancesFoundRunin bothMonitorQueuedTasksRoutineTestandMonitorLaunchedTasksRoutineTest, which previously had no coverage of this exact branch (a similarly-named existing test exercises a different terminal-instance-state branch). New tests assert the message mentions "capacity exhaustion" and does not contain "ICMS request-id".bazel test //src/control-plane-services/cloud-tasks/nvct-core:tests(full nvct-core suite, including the new tests): passes.Issues
NO-REF
Checklist
Summary by CodeRabbit
Bug Fixes
Tests