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Publish externalIPs of Nodes running Pods in headless service #1391

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Publish externalIPs of Nodes running Pods in headless service #1391

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coufalja
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Added feature to publish Node ExternalIPs for headless services.

Use case:

  • Running K8s cluster on AWS
  • Nodes are having assigned both Internal and External IPs
  • Running Pods with hostPorts
  • Pods created are assigned those internal IPs into their status.hostIP which makes --publish-host-ip unusable
  • New --publish-host-external-ip flag will instead of status.hostIP publish assigned node ExternalIP(s)

@k8s-ci-robot k8s-ci-robot added the cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. label Jan 24, 2020
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Welcome @coufalja!

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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 Jan 24, 2020
@coufalja
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Docker image for testing purposes: wanderadock/external-dns:external-ips

@martinohansen martinohansen mentioned this pull request Jan 25, 2020
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njuettner
njuettner requested changes Feb 4, 2020
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@coufalja
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coufalja commented Feb 5, 2020

/assign @linki

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linki commented Feb 17, 2020

@coufalja Thank you!

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linki commented Feb 17, 2020

/lgtm
/cc @njuettner

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Feb 17, 2020
@domingusj
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Would this change be similar/related to #1077?

@domingusj domingusj mentioned this pull request Feb 17, 2020
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@coufalja
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Yes, it is pretty related, the approach is different though. If you guys think that doing it #1077 way is better I might re-do this according to it as it seems that #1077 is dead?

@mindw
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mindw commented Feb 18, 2020

@coufalja as users of externdDNS the annotation is preferable - it is explicit and allows to use both externalIps and internalIps using the same external-dns instance.

Thank you for your time and efforts on this PR :)

@domingusj
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I also think an annotation would be preferable

@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Feb 18, 2020
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New changes are detected. LGTM label has been removed.

@coufalja
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coufalja commented Feb 18, 2020 •
edited

Cool, WDYT now?

New image for testing wanderadock/external-dns:external-ips-v2

@linki
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linki commented Feb 18, 2020

@domingusj @coufalja @mindw Thanks for pointing this out. We also prefer the annotation approach.

@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Mar 5, 2020
@domingusj
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@coufalja anything I can do to help with the rebase/merge conflicts? Would love to see this added in the next release. Thanks again for your work on this!

@k8s-ci-robot k8s-ci-robot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Mar 23, 2020
@coufalja
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coufalja commented Mar 23, 2020 •
edited

@domingusj I attempted to rebase but now I am not able to build the project even locally due to

provider/ovh.go:50:15: undefined: DomainFilter

Due to #1469 it seems

@coufalja
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@stefanlasiewski @linki Could you guys take another look? I replaced the usage of a new annotation with an already existing access one, or should I open it as a new PR?

@coufalja
Use existing Access annotation
89df027 
Signed-off-by: jakub.coufal <jakub.coufal@wandera.com>
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Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
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/lifecycle stale

@k8s-ci-robot k8s-ci-robot added the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Jul 5, 2021
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unixfox commented Jul 5, 2021

/remove-lifecycle stale

@k8s-ci-robot k8s-ci-robot removed the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Jul 5, 2021
@ArchiFleKs
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Any change of having this merged soon ?

@ArchiFleKs
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@coufalja I just tried rebasing against latest release. It works as expected :). Could you try updating your PR for a chance of this getting merged ?

@coufalja
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@ArchiFleKs updated

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/lifecycle stale

@k8s-ci-robot k8s-ci-robot added the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Nov 28, 2021
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mhoran commented Nov 28, 2021

/remove-lifecycle stale

@k8s-ci-robot k8s-ci-robot removed the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Nov 28, 2021
@NicklasWallgren
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Would be great if you could include support for Ingress as well.

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This bot triages issues and PRs according to the following rules:

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/lifecycle stale

@k8s-ci-robot k8s-ci-robot added the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Mar 10, 2022
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mhoran commented Mar 10, 2022

/remove-lifecycle stale

@k8s-ci-robot k8s-ci-robot removed the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Mar 10, 2022
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@coufalja: PR needs rebase.

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@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label May 6, 2022
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This bot triages issues and PRs according to the following rules:

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/lifecycle stale

@k8s-ci-robot k8s-ci-robot added the lifecycle/stale Denotes an issue or PR has remained open with no activity and has become stale. label Aug 4, 2022
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mhoran commented Aug 4, 2022

Similar functionality is included in v0.12.0 via #2115.

/close

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@mhoran: Closed this PR.

In response to this:

Similar functionality is included in v0.12.0 via #2115.

/close

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joejulian pushed a commit to joejulian/redpanda that referenced this pull request Mar 10, 2023
@RafalKorepta
(split) operator: Change the configurator to respect subdomain
27a5f1d 
If subdomain is not empty, then external listener is configured.
The annotations in the headless service is used to register all
pods in DNS provider. The externalDNS does not support AWS
external IP, but there is open PR for addressing that.

During the testing the code from
kubernetes-sigs/external-dns#1391 was used.

REF
https://hub.docker.com/layers/wanderadock/external-dns/v0.7.6-pub-external-ips/images/sha256-dc59c17c70504bb86843bf9b71f649eb3220aa075751a7a11e46977cbdaedbcb?context=explore
joejulian pushed a commit to joejulian/redpanda that referenced this pull request Mar 24, 2023
@RafalKorepta
operator: operator: Change the configurator to respect subdomain
d783ff2 
If subdomain is not empty, then external listener is configured.
The annotations in the headless service is used to register all
pods in DNS provider. The externalDNS does not support AWS
external IP, but there is open PR for addressing that.

During the testing the code from
kubernetes-sigs/external-dns#1391 was used.

REF
https://hub.docker.com/layers/wanderadock/external-dns/v0.7.6-pub-external-ips/images/sha256-dc59c17c70504bb86843bf9b71f649eb3220aa075751a7a11e46977cbdaedbcb?context=explore
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