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@vflaux vflaux commented Sep 5, 2025

What does it do ?

  • add the nat64 source only when nat64 networks are defined (--nat64-networks)
  • parse nat64 networks when creating the source, not on every Endpoints() call

Motivation

The NAT64 source do nothing when no nat64 networks are defined.

More

  • Yes, this PR title follows Conventional Commits
  • Yes, I added unit tests
  • Yes, I updated end user documentation accordingly

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Hi @vflaux. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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@k8s-ci-robot k8s-ci-robot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Sep 5, 2025
combinedSource = wrappers.NewNAT64Source(combinedSource, cfg.NAT64Networks)
cfg.AddSourceWrapper("nat64")
if len(cfg.NAT64Networks) > 0 {
combinedSource, err = wrappers.NewNAT64Source(combinedSource, cfg.NAT64Networks)
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Currently, other wrappers do not return errors. It would be better to define a common interface for all wrappers.

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You mean all wrapper's constructors should also return an error?

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Indeed. If one returns an error, I think all should return an error. So we have some level of consistency.

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/ok-to-test

@k8s-ci-robot k8s-ci-robot added ok-to-test Indicates a non-member PR verified by an org member that is safe to test. and removed needs-ok-to-test Indicates a PR that requires an org member to verify it is safe to test. labels Sep 5, 2025
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vflaux commented Sep 8, 2025

/retest

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Most likely make sense to do a refactoring in follow-up. ref #5810 (comment)

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 10, 2025
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/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mloiseleur

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vflaux commented Sep 10, 2025

I've rebased manually as there was a conflict with a change in #5816.

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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 10, 2025
@k8s-ci-robot k8s-ci-robot merged commit 55b24ad into kubernetes-sigs:master Sep 10, 2025
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@vflaux vflaux deleted the nat64_source branch September 10, 2025 12:55
JesusMtnez pushed a commit to JesusMtnez/homelab that referenced this pull request Dec 1, 2025
…o v0.20.0 (#869)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [registry.k8s.io/external-dns/external-dns](https://github.com/kubernetes-sigs/external-dns) | minor | `v0.19.0` -> `v0.20.0` |

---

### Release Notes

<details>
<summary>kubernetes-sigs/external-dns (registry.k8s.io/external-dns/external-dns)</summary>

### [`v0.20.0`](https://github.com/kubernetes-sigs/external-dns/releases/tag/v0.20.0)

[Compare Source](kubernetes-sigs/external-dns@v0.19.0...v0.20.0)

#### 🚀 Features

- feat: add new flags to allow migration of OwnerID by [@&#8203;troll-os](https://github.com/troll-os) in [#&#8203;4823](kubernetes-sigs/external-dns#4823)
- feat(annotations): add custom annotation prefix support for split horizon DNS by [@&#8203;lexfrei](https://github.com/lexfrei) in [#&#8203;5889](kubernetes-sigs/external-dns#5889)
- feat(aws): add ap-southeast-6 region by [@&#8203;rhysmdnz](https://github.com/rhysmdnz) in [#&#8203;5812](kubernetes-sigs/external-dns#5812)
- feat(chart): Release for v0.19.0 by [@&#8203;stevehipwell](https://github.com/stevehipwell) in [#&#8203;5819](kubernetes-sigs/external-dns#5819)
- feat(cli): add Cobra binder and backend switch by [@&#8203;TobyTheHutt](https://github.com/TobyTheHutt) in [#&#8203;5820](kubernetes-sigs/external-dns#5820)
- feat(cli): migrate kingpin to cobra - dual parity by [@&#8203;TobyTheHutt](https://github.com/TobyTheHutt) in [#&#8203;5836](kubernetes-sigs/external-dns#5836)
- feat(coredns): add annotations for groups by [@&#8203;farodin91](https://github.com/farodin91) in [#&#8203;5842](kubernetes-sigs/external-dns#5842)
- feat(coredns): pass context to etcd client by [@&#8203;farodin91](https://github.com/farodin91) in [#&#8203;5915](kubernetes-sigs/external-dns#5915)
- feat(provider/cloudflare): add support for tags by [@&#8203;nkhl99](https://github.com/nkhl99) in [#&#8203;5862](kubernetes-sigs/external-dns#5862)
- feat(source): add min-ttl support by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5641](kubernetes-sigs/external-dns#5641)
- feat(source/f5-virtual-server): add host aliases support for Virtual … by [@&#8203;shkarface](https://github.com/shkarface) in [#&#8203;5745](kubernetes-sigs/external-dns#5745)

#### 🐛 Bug fixes

- fix(cloudflare): infinite reconciliation loop with cloudflare-record-comment flag by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5828](kubernetes-sigs/external-dns#5828)
- fix: cloudflare softError failedZones by [@&#8203;nissessenap](https://github.com/nissessenap) in [#&#8203;5899](kubernetes-sigs/external-dns#5899)
- fix(controller): panic in OCI provider build by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5877](kubernetes-sigs/external-dns#5877)
- fix(coredns): debug message on labels update by [@&#8203;bachorp](https://github.com/bachorp) in [#&#8203;5789](kubernetes-sigs/external-dns#5789)
- fix(deps): bump openshift with gateway-api by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5942](kubernetes-sigs/external-dns#5942)
- fix(endpoint): debug message when owner label is missing by [@&#8203;bachorp](https://github.com/bachorp) in [#&#8203;5788](kubernetes-sigs/external-dns#5788)
- fix(endpoint): deduplicate targets by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5805](kubernetes-sigs/external-dns#5805)
- fix(endpoint/source) Allow '.' in TXT Records by [@&#8203;onelapahead](https://github.com/onelapahead) in [#&#8203;5844](kubernetes-sigs/external-dns#5844)
- fix(gen/metrics): deduplicate generated in metrics.md by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5837](kubernetes-sigs/external-dns#5837)
- fix(service): rollback nodeinformer for addevent handler by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5941](kubernetes-sigs/external-dns#5941)
- fix(txt-register): reset existingTXTs even when ApplyChanges is skipped to avoid stale TXT records by [@&#8203;u-kai](https://github.com/u-kai) in [#&#8203;5897](kubernetes-sigs/external-dns#5897)

#### 📝 Documentation

- docs(advanced): configuration precedence by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5871](kubernetes-sigs/external-dns#5871)
- docs(aws): add missing supported DNS record types in Route53 ABAC  by [@&#8203;TobyTheHutt](https://github.com/TobyTheHutt) in [#&#8203;5839](kubernetes-sigs/external-dns#5839)
- docs(aws): scoping the IAM policy to explicitely defined Route53 zones by [@&#8203;crtr109](https://github.com/crtr109) in [#&#8203;5663](kubernetes-sigs/external-dns#5663)
- docs(ci): improve release note template by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5791](kubernetes-sigs/external-dns#5791)
- docs: clarify hostname annotation behavior by [@&#8203;PseudoResonance](https://github.com/PseudoResonance) in [#&#8203;5912](kubernetes-sigs/external-dns#5912)
- docs(contributing): add reference to developer documentation by [@&#8203;lexfrei](https://github.com/lexfrei) in [#&#8203;5923](kubernetes-sigs/external-dns#5923)
- docs(core-dns): update tutorial by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5926](kubernetes-sigs/external-dns#5926)
- docs: fix mkdocs build by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5795](kubernetes-sigs/external-dns#5795)
- docs(gateway-api): clarify annotation placement for sources by [@&#8203;lexfrei](https://github.com/lexfrei) in [#&#8203;5918](kubernetes-sigs/external-dns#5918)
- docs(myra): add info about protection option and docker image by [@&#8203;armaaar](https://github.com/armaaar) in [#&#8203;5879](kubernetes-sigs/external-dns#5879)
- docs(release): update release docs by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5893](kubernetes-sigs/external-dns#5893)
- docs(tutorials): import existing DNS records into ExternalDNS by [@&#8203;naavveenn](https://github.com/naavveenn) in [#&#8203;5811](kubernetes-sigs/external-dns#5811)
- docs(txt-registry): improve formatting and examples for apex record by [@&#8203;u-kai](https://github.com/u-kai) in [#&#8203;5863](kubernetes-sigs/external-dns#5863)
- docs(webhook): add volcengine provider to readme by [@&#8203;firemiles](https://github.com/firemiles) in [#&#8203;5866](kubernetes-sigs/external-dns#5866)

#### 📦 Others

- Build(tool) remove vacuum by [@&#8203;szuecs](https://github.com/szuecs) in [#&#8203;5955](kubernetes-sigs/external-dns#5955)
- chore(ci): fix releaser script by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5953](kubernetes-sigs/external-dns#5953)
- chore(ci): speed-up & coveralls by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5870](kubernetes-sigs/external-dns#5870)
- chore(cloudflare): migrate `DeleteCustomHostname()` to new lib by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5880](kubernetes-sigs/external-dns#5880)
- chore(cloudflare): migrate DeleteDNSRecord() to new lib by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5780](kubernetes-sigs/external-dns#5780)
- chore(cloudflare): migrate ListRecords() to new lib by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5778](kubernetes-sigs/external-dns#5778)
- chore(cloudflare): migrate UpdateDNSRecord() to new lib by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5781](kubernetes-sigs/external-dns#5781)
- chore(controller-gen): move tools under go tools by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5878](kubernetes-sigs/external-dns#5878)
- chore(deps): bump renovatebot/github-action from 43.0.10 to 43.0.11 in the dev-dependencies group by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5823](kubernetes-sigs/external-dns#5823)
- chore(deps): bump renovatebot/github-action from 43.0.11 to 43.0.12 in the dev-dependencies group by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5840](kubernetes-sigs/external-dns#5840)
- chore(deps): bump renovatebot/github-action from 43.0.12 to 43.0.13 in the dev-dependencies group by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5856](kubernetes-sigs/external-dns#5856)
- chore(deps): bump renovatebot/github-action from 43.0.13 to 43.0.14 in the dev-dependencies group by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5874](kubernetes-sigs/external-dns#5874)
- chore(deps): bump renovatebot/github-action from 43.0.14 to 43.0.15 in the dev-dependencies group by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5890](kubernetes-sigs/external-dns#5890)
- chore(deps): bump renovatebot/github-action from 43.0.9 to 43.0.10 in the dev-dependencies group by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5797](kubernetes-sigs/external-dns#5797)
- chore(deps): bump the dev-dependencies group across 1 directory with 15 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5952](kubernetes-sigs/external-dns#5952)
- chore(deps): bump the dev-dependencies group across 1 directory with 36 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5943](kubernetes-sigs/external-dns#5943)
- chore(deps): bump the dev-dependencies group across 1 directory with 5 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5940](kubernetes-sigs/external-dns#5940)
- chore(deps): bump the dev-dependencies group across 1 directory with 9 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5949](kubernetes-sigs/external-dns#5949)
- chore(deps): bump the dev-dependencies group with 2 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5895](kubernetes-sigs/external-dns#5895)
- chore(deps): bump the dev-dependencies group with 2 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5946](kubernetes-sigs/external-dns#5946)
- chore(deps): bump the dev-dependencies group with 3 updates by [@&#8203;app/dependabot](https://github.com/app/dependabot) in [#&#8203;5806](kubernetes-sigs/external-dns#5806)
- chore(lint): configure goconst linter by [@&#8203;lexfrei](https://github.com/lexfrei) in [#&#8203;5929](kubernetes-sigs/external-dns#5929)
- chore(owners): update reviewers by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5925](kubernetes-sigs/external-dns#5925)
- chore(pihole): reduce cyclometic complexity of TestListRecords by [@&#8203;AndrewCharlesHay](https://github.com/AndrewCharlesHay) in [#&#8203;5802](kubernetes-sigs/external-dns#5802)
- chore(release): updates kustomize & docs with v0.19.0 by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5792](kubernetes-sigs/external-dns#5792)
- chore: upgrade ExternalDNS to go v1.25 and golangci-lint v2.5 by [@&#8203;mloiseleur](https://github.com/mloiseleur) in [#&#8203;5869](kubernetes-sigs/external-dns#5869)
- ci(linter): add gochecknoinits by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5911](kubernetes-sigs/external-dns#5911)
- ci(linter): add go-critic by [@&#8203;PascalBourdier](https://github.com/PascalBourdier) in [#&#8203;5875](kubernetes-sigs/external-dns#5875)
- doc(tutorials/rfc2136): fix RBAC by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5827](kubernetes-sigs/external-dns#5827)
- refactor(annotations): modernize ProviderSpecificAnnotation by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5813](kubernetes-sigs/external-dns#5813)
- refactor(pihole): reduce cyclomatic complexity of TestProvider by [@&#8203;AndrewCharlesHay](https://github.com/AndrewCharlesHay) in [#&#8203;5865](kubernetes-sigs/external-dns#5865)
- refactor(pihole): reduce cyclomatic complexity of TestProviderV6 by [@&#8203;AndrewCharlesHay](https://github.com/AndrewCharlesHay) in [#&#8203;5876](kubernetes-sigs/external-dns#5876)
- refactor(service): reduce cyclomatic complexity of extractHeadlessEndpoints by [@&#8203;AndrewCharlesHay](https://github.com/AndrewCharlesHay) in [#&#8203;5822](kubernetes-sigs/external-dns#5822)
- refactor(source/nat64): optional source & early prefixes parsing by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5810](kubernetes-sigs/external-dns#5810)
- refactor(source/wrappers): move wrappers logic away from execute file by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5888](kubernetes-sigs/external-dns#5888)
- test(cloudflare): clear environment variables before setting test values by [@&#8203;u-kai](https://github.com/u-kai) in [#&#8203;5851](kubernetes-sigs/external-dns#5851)
- test(cloudflare): improve coverage of zoneService by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5800](kubernetes-sigs/external-dns#5800)
- test(cloudflare): mock provider for cf change tests by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5852](kubernetes-sigs/external-dns#5852)
- test(cloudflare): modernize zoneDomainFilter test by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5853](kubernetes-sigs/external-dns#5853)
- test(controller): improve code coverage by [@&#8203;TobyTheHutt](https://github.com/TobyTheHutt) in [#&#8203;5816](kubernetes-sigs/external-dns#5816)
- test(source): fqdn for source/service/nodeport/srv records by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5554](kubernetes-sigs/external-dns#5554)
- test(source/service): add serviceTypeFilter edge case by [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk) in [#&#8203;5872](kubernetes-sigs/external-dns#5872)
- test(source/wrappers): fix race condition by [@&#8203;vflaux](https://github.com/vflaux) in [#&#8203;5841](kubernetes-sigs/external-dns#5841)
- test: update goversion label to 1.25 in metrics test by [@&#8203;AndrewCharlesHay](https://github.com/AndrewCharlesHay) in [#&#8203;5886](kubernetes-sigs/external-dns#5886)
- update test certs used for pdns by [@&#8203;Raffo](https://github.com/Raffo) in [#&#8203;5902](kubernetes-sigs/external-dns#5902)

#### 📦 Docker Image

```sh
docker pull registry.k8s.io/external-dns/external-dns:v0.20.0
```

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), 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.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0Mi4xMS4wIiwidXBkYXRlZEluVmVyIjoiNDIuMTEuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZGVwL21pbm9yIl19-->

Reviewed-on: https://codeberg.org/JesusMtnez/homelab/pulls/869
Co-authored-by: JesusMtnez-bot <jesusmartinez93+bot@gmail.com>
Co-committed-by: JesusMtnez-bot <jesusmartinez93+bot@gmail.com>
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