AngelaandJeff Luo d4f2cf1c51 feat: Add control plane telemetry - workerpool desired and ready workers gauges (#826) ...

Part of #564 (Part 4, Fixes #564)

- [x] Tests pass
- [x] Appropriate changes to documentation are included in the PR

## Description
This PR implements Part 4 of #564 by adding OpenTelemetry gauge
instrumentation for `ate.workerpool.desired_workers` and
`ate.workerpool.ready_workers` in `atecontroller`.

## Key Changes:
* Added `ReadyReplicas int32` to `WorkerPoolStatus` with
`+kubebuilder:printcolumn:name="Ready"` annotation in
`pkg/api/v1alpha1/workerpool_types.go` and regenerated the CRD manifest.
* Updated `WorkerPoolReconciler.syncStatus` to synchronize
`dep.Status.ReadyReplicas` into `wp.Status.ReadyReplicas`.
* Implemented `InitMetrics(meter)` registering
`ate.workerpool.desired_workers` and `ate.workerpool.ready_workers` as
OpenTelemetry Observable UpDownCounters (`{worker}`) with an
asynchronous observer callback that samples controller-runtime's local
informer cache (`r.Client.List`).
* Labeled metric datapoints using centralized attributes
`ateattr.WorkerPoolNamespaceKey` and `ateattr.WorkerPoolNameKey`.

## Testing
* `go test -buildvcs=false ./cmd/ateapi/internal/controlapi/...`
* `go test -buildvcs=false ./cmd/atenet/internal/router/...`
* `make test`
## E2E  Test
* `./hack/create-kind-cluster.sh`
* `./hack/install-ate-kind.sh --deploy-ate-system --deploy-demo-counter`
* `./hack/run-e2e.sh ./internal/e2e/suites/metrics/...`

---------

Co-authored-by: Jeff Luo <jeffluoo@google.com>

2026-08-11 16:02:50 -04:00

..

internal/controllers

feat: Add control plane telemetry - workerpool desired and ready workers gauges (#826)

2026-08-11 16:02:50 -04:00

main_test.go

feat(otel): onboard atecontroller to the OTLP path (#754)

2026-08-06 10:25:03 -04:00

main.go

Implement endpoint slice resolution for ate api connections for HA (#582)

2026-08-10 16:47:12 -04:00