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Posted to reviews@spark.apache.org by "dongjoon-hyun (via GitHub)" <gi...@apache.org> on 2026/07/04 23:07:51 UTC
[PR] [SPARK-57934] Support opt-in `NetworkPolicy` for operator pod in Helm chart [spark-kubernetes-operator]
dongjoon-hyun opened a new pull request, #742:
URL: https://github.com/apache/spark-kubernetes-operator/pull/742
### What changes were proposed in this pull request?
This PR aims to support an opt-in `NetworkPolicy` for the operator pod in the Helm chart.
When `operatorDeployment.networkPolicy.enable` is `true` (default: `false`), all ingress to the
operator pod is denied except the health probe port (open to any source, for kubelet probes) and
the metrics port, which is reachable only from the peers listed in
`operatorDeployment.networkPolicy.metricsIngress`.
```yaml
operatorDeployment:
networkPolicy:
enable: true
metricsIngress:
- namespaceSelector:
matchLabels:
kubernetes.io/metadata.name: "monitoring"
```
### Why are the changes needed?
The operator serves unauthenticated plain-HTTP probe and metrics endpoints, and the chart
provided no way to restrict in-cluster access to them.
### Does this PR introduce _any_ user-facing change?
No, because this is disabled by default.
### How was this patch tested?
Pass the CIs.
### Was this patch authored or co-authored using generative AI tooling?
Generated-by: Claude Fable 5
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Re: [PR] [SPARK-57934] Support opt-in `NetworkPolicy` for operator pod in Helm chart [spark-kubernetes-operator]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #742:
URL: https://github.com/apache/spark-kubernetes-operator/pull/742#issuecomment-4897325529
Thank you, Peter!
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Re: [PR] [SPARK-57934] Support opt-in `NetworkPolicy` for operator pod in Helm chart [spark-kubernetes-operator]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #742:
URL: https://github.com/apache/spark-kubernetes-operator/pull/742#issuecomment-4887285746
For this security feature, I'm going to merge to move forward to unblock other security considerations.
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Re: [PR] [SPARK-57934] Support opt-in `NetworkPolicy` for operator pod in Helm chart [spark-kubernetes-operator]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #742: [SPARK-57934] Support opt-in `NetworkPolicy` for operator pod in Helm chart
URL: https://github.com/apache/spark-kubernetes-operator/pull/742
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Re: [PR] [SPARK-57934] Support opt-in `NetworkPolicy` for operator pod in Helm chart [spark-kubernetes-operator]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #742:
URL: https://github.com/apache/spark-kubernetes-operator/pull/742#issuecomment-4887287742
Merged to main
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