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eks-prow-build-cluster: GitOps proposal #5336

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pkprzekwas
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@pkprzekwas pkprzekwas commented May 29, 2023

General Description

This PR presents working GitOps proposal for EKS prow build cluster. It's based on FluxCD. The motivation for choosing FluxCD: "it's simple and doesn't require configuring any GH tokens or webhooks". This is more or less what we are looking for as we don't expect any complex deployment workflows. We aim to enable maintainers to easily introduce changes to k8s resources running on EKS prow build cluster.

Presented solution has been running for the past couple of days on prow-canary-cluster.

Potential improvements

  • leverage metrics and create Grafana dashboard dedicated for FluxCD,
  • consider moving k8s manifests managed by GitOps to a dedicated repository (otherwise tracking history will be cumbersome)

Other stuff

Introducing image updater has been skipped as it requires write permissions to GH repository.

/ref #5170
/assign @xmudrii @hh

@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. approved Indicates a PR has been approved by an approver from all required OWNERS files. area/infra Infrastructure management, infrastructure design, code in infra/ area/infra/aws Issues or PRs related to Kubernetes AWS infrastructure sig/k8s-infra Categorizes an issue or PR as relevant to SIG K8s Infra. labels May 29, 2023
@k8s-ci-robot k8s-ci-robot added the size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. label May 29, 2023
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hh commented May 30, 2023

Overall looks fairly clean. It's Similar to other approaches to using flux.

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Looks good to me, haven't used flux in the past but seems looks very similar to how Argo CD does things.

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@pkprzekwas pkprzekwas requested a review from sbdtu5498 May 31, 2023 11:19
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Everything looks good!

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@xmudrii xmudrii left a comment

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Overall looks great! I have some comments that should be mostly nits.

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@pkprzekwas pkprzekwas force-pushed the eks-prow-build-cluster-gitops branch from 1ea28cb to 406c547 Compare June 1, 2023 14:02
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Some more, hopefully final, nits.

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@pkprzekwas pkprzekwas requested a review from xmudrii June 2, 2023 08:44
@pkprzekwas pkprzekwas requested a review from xmudrii June 2, 2023 09:55
@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jun 2, 2023
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pkprzekwas, xmudrii

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@k8s-ci-robot k8s-ci-robot merged commit bb35c9d into kubernetes:main Jun 2, 2023
@k8s-ci-robot k8s-ci-robot added this to the v1.28 milestone Jun 2, 2023
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5 participants