Add SafePtr wrapper #393

kaisoz · 2023-11-12T22:24:25Z

What this PR does / why we need it:

If a nil pointer value is provided when logging, it will be dereferenced leading to a panic message. This PR adds a simple wrapper called SafePtr which helps preventing this by returning a nil interface in case the provided pointer is nil, or the same pointer if it's not nil.

This function is available when compiling with Go >= 1.18 since it uses generics.

Release note:

Add SafePtr wrapper

k8s-ci-robot · 2023-11-12T22:24:34Z

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pohly

Some small nits, looks good overall.

safeptr.go

kaisoz · 2023-11-13T09:57:36Z

Some small nits, looks good overall.

Thanks for the review @pohly , I've added your suggestions 😊

safeptr.go

kaisoz · 2023-11-13T12:43:25Z

Done @pohly, I've rewritten the function description, let me know what you think 😊

safeptr.go

pohly

/lgtm
/approve

harshanarayana · 2023-11-15T07:38:02Z

/lgtm

pohly · 2023-11-15T11:02:36Z

/assign @dims

For approval. Should we update the OWNERS so that I can approve and remove @serathius?

dims · 2023-11-15T11:06:48Z

/lgtm
/approve

dims · 2023-11-15T11:07:05Z

For approval. Should we update the OWNERS so that I can approve and remove @serathius?

Yes please @pohly

kaisoz · 2023-11-16T09:09:42Z

I'll fix the lint fails. Not sure why the check is failing with 1.19 though, I'll have a closer look

dgrisonnet · 2023-11-16T17:43:39Z

/assign @pohly
/triage accepted

kaisoz · 2023-11-17T16:12:29Z

I fixed the lint problem but the lgtm got removed and is not running the rest of the tests. @pohly @dims could you please re-lgtm it? Thanks!

pohly

/lgtm

We might need to do something about the Go version dependency, but let's see whether this triggers another test run.

k8s-ci-robot · 2023-11-17T16:14:09Z

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, harshanarayana, kaisoz, pohly

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Needs approval from an approver in each of these files:

~~OWNERS~~ [dims,pohly]

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pohly · 2023-11-17T16:14:39Z

/ok-to-test

[![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [k8s.io/klog/v2](https://togithub.com/kubernetes/klog) | `v2.110.1` -> `v2.120.1` | [![age](https://developer.mend.io/api/mc/badges/age/go/k8s.io%2fklog%2fv2/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/go/k8s.io%2fklog%2fv2/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/go/k8s.io%2fklog%2fv2/v2.110.1/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/go/k8s.io%2fklog%2fv2/v2.110.1/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- > [!WARNING] > Some dependencies could not be looked up. Check the Dependency Dashboard for more information. --- ### Release Notes <details> <summary>kubernetes/klog (k8s.io/klog/v2)</summary> ### [`v2.120.1`](https://togithub.com/kubernetes/klog/releases/tag/v2.120.1): Prepare klog release for Kubernetes v1.30 (Take 2) [Compare Source](https://togithub.com/kubernetes/klog/compare/v2.120.0...v2.120.1) #### What's Changed - textlogger: allow caller to override stack unwinding by [@pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/397](https://togithub.com/kubernetes/klog/pull/397) **Full Changelog**: kubernetes/klog@v2.120.0...v2.120.1 ### [`v2.120.0`](https://togithub.com/kubernetes/klog/releases/tag/v2.120.0): Prepare klog release for Kubernetes v1.30 (Take 1) [Compare Source](https://togithub.com/kubernetes/klog/compare/v2.110.1...v2.120.0) #### What's Changed - OWNERS: remove serathius, add mengjiao-liu, promote pohly by [@pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/394](https://togithub.com/kubernetes/klog/pull/394) - docs: clarify relationship between different features by [@pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/395](https://togithub.com/kubernetes/klog/pull/395) - Add SafePtr wrapper by [@kaisoz](https://togithub.com/kaisoz) in [https://github.com/kubernetes/klog/pull/393](https://togithub.com/kubernetes/klog/pull/393) - logr v1.4.1 + SetSlogLogger by [@pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/396](https://togithub.com/kubernetes/klog/pull/396) #### New Contributors - [@kaisoz](https://togithub.com/kaisoz) made their first contribution in [https://github.com/kubernetes/klog/pull/393](https://togithub.com/kubernetes/klog/pull/393) **Full Changelog**: kubernetes/klog@v2.110.1...v2.120.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "on tuesday" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/open-telemetry/opentelemetry-collector-contrib).  --------- Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: opentelemetrybot <107717825+opentelemetrybot@users.noreply.github.com>

…1721) [![Mend Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [k8s.io/klog/v2](https://togithub.com/kubernetes/klog) | `v2.110.1` -> `v2.120.1` | [![age](https://developer.mend.io/api/mc/badges/age/go/k8s.io%2fklog%2fv2/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/go/k8s.io%2fklog%2fv2/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/go/k8s.io%2fklog%2fv2/v2.110.1/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/go/k8s.io%2fklog%2fv2/v2.110.1/v2.120.1?slim=true)](https://docs.renovatebot.com/merge-confidence/) | --- > [!WARNING] > Some dependencies could not be looked up. Check the Dependency Dashboard for more information. --- ### Release Notes <details> <summary>kubernetes/klog (k8s.io/klog/v2)</summary> ### [`v2.120.1`](https://togithub.com/kubernetes/klog/releases/tag/v2.120.1): Prepare klog release for Kubernetes v1.30 (Take 2) [Compare Source](https://togithub.com/kubernetes/klog/compare/v2.120.0...v2.120.1) #### What's Changed - textlogger: allow caller to override stack unwinding by [@&open-telemetry#8203;pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/397](https://togithub.com/kubernetes/klog/pull/397) **Full Changelog**: kubernetes/klog@v2.120.0...v2.120.1 ### [`v2.120.0`](https://togithub.com/kubernetes/klog/releases/tag/v2.120.0): Prepare klog release for Kubernetes v1.30 (Take 1) [Compare Source](https://togithub.com/kubernetes/klog/compare/v2.110.1...v2.120.0) #### What's Changed - OWNERS: remove serathius, add mengjiao-liu, promote pohly by [@&open-telemetry#8203;pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/394](https://togithub.com/kubernetes/klog/pull/394) - docs: clarify relationship between different features by [@&open-telemetry#8203;pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/395](https://togithub.com/kubernetes/klog/pull/395) - Add SafePtr wrapper by [@&open-telemetry#8203;kaisoz](https://togithub.com/kaisoz) in [https://github.com/kubernetes/klog/pull/393](https://togithub.com/kubernetes/klog/pull/393) - logr v1.4.1 + SetSlogLogger by [@&open-telemetry#8203;pohly](https://togithub.com/pohly) in [https://github.com/kubernetes/klog/pull/396](https://togithub.com/kubernetes/klog/pull/396) #### New Contributors - [@&open-telemetry#8203;kaisoz](https://togithub.com/kaisoz) made their first contribution in [https://github.com/kubernetes/klog/pull/393](https://togithub.com/kubernetes/klog/pull/393) **Full Changelog**: kubernetes/klog@v2.110.1...v2.120.0 </details> --- ### Configuration 📅 **Schedule**: Branch creation - "on tuesday" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). View repository job log [here](https://developer.mend.io/github/open-telemetry/opentelemetry-collector-contrib).  --------- Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: opentelemetrybot <107717825+opentelemetrybot@users.noreply.github.com>

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k8s-ci-robot requested review from harshanarayana and pohly November 12, 2023 22:24

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kaisoz mentioned this pull request Nov 12, 2023

Check if time is nil before logging kubernetes/kubernetes#121554

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Add SafePtr wrapper

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kaisoz force-pushed the add-safeptr branch from e70759b to 881fa0b Compare November 17, 2023 16:07

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k8s-ci-robot merged commit 2086216 into kubernetes:main Nov 17, 2023
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This was referenced Nov 20, 2023

Job controller keeps logging panics kubernetes/kubernetes#121392

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REQUEST: New membership for kaisoz kubernetes/org#4592

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kaisoz deleted the add-safeptr branch December 20, 2023 10:56

pacoxu mentioned this pull request Jan 11, 2024

bump klog to v2.120.0 kubernetes/kubernetes#122706

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cluster-stack-bot bot mentioned this pull request Apr 18, 2024

🌱 Update Update Golang Dependencies group (minor) SovereignCloudStack/cluster-stack-operator#127

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Add SafePtr wrapper #393

Add SafePtr wrapper #393

kaisoz commented Nov 12, 2023 •

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Add SafePtr wrapper #393

Add SafePtr wrapper #393

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