myasnikovdaniil 59ded0a223 fix(kafka): set entity-operator resources to avoid OOM under tenant LimitRange (#2934)
## What this PR does

`packages/apps/kafka` rendered the Strimzi `Kafka` CR with
`entityOperator.topicOperator: {}` / `userOperator: {}` and no
`resources`. Tenant namespaces ship a `LimitRange` that defaults
containers to `memory: 128Mi`, so the topic-operator and user-operator
JVM containers (Kafka 3.9.1 + fabric8/vertx) are **OOMKilled (exit
137)** on startup. The `<cluster>-entity-operator` Deployment never
becomes Ready (CrashLoopBackOff), so:

- `KafkaTopic` / `KafkaUser` CRs never reconcile — topic creation
effectively fails;
- the cluster-operator logs `Exceeded timeout of 300000ms while waiting
for Deployment ...-entity-operator ... to be ready`;
- on teardown, `KafkaTopic`s get stuck permanently with the
`strimzi.io/topic-operator` finalizer (no operator left to clear them),
blocking namespace deletion.

The Kafka broker + ZooKeeper come up fine — only the entity-operator
dies. The `apps.cozystack.io/Kafka` schema exposes no field for
entity-operator resources, so there is no user-side workaround.

## Fix

Set explicit `resources` (requests `256Mi`/`100m`, limit `512Mi` memory)
on `entityOperator.topicOperator` and `userOperator` so they no longer
inherit the 128Mi namespace default. Adds a `helm-unittest` assertion
for the rendered limits.

## Testing

Reproduced on a clean cluster (Cozystack v1.4.3 and v1.5.0-rc.2; Strimzi
0.45.1, Kafka 3.9.1): both entity-operator containers `OOMKilled` at
128Mi → CrashLoopBackOff → `KafkaTopic` never `READY`. After bumping to
512Mi the entity-operator rolls cleanly (both containers Ready, 0
restarts) and the `KafkaTopic` reconciles to `READY=True`.

### Release note
```release-note
fix(kafka): give entity-operator (topic/user-operator) explicit resources so they no longer inherit the 128Mi tenant LimitRange default and OOMKill, which left KafkaTopics/KafkaUsers unreconciled.
```

🤖 Generated with [Claude Code](https://claude.com/claude-code)


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Bug Fixes**
* Kafka topic and user operators now use explicit CPU and memory
requests and limits, avoiding reliance on namespace-level defaults.

* **Tests**
* Added regression coverage to verify the Kafka entity operator’s topic
and user operator memory limits are explicitly set (512Mi).
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-06-25 10:30:27 +05:00
2025-10-08 09:43:34 +05:00
2025-04-01 18:48:14 +02:00
2024-02-08 12:04:32 +01:00
2026-04-16 14:30:51 +05:00
2026-03-17 02:57:52 +05:00

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