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Convert to kubebuilder #58

scothis opened this issue Aug 19, 2019 · 3 comments


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commented Aug 19, 2019

The controller currently uses knative/pkg as a foundation. The Kubernetes ecosystem is consolidating around Kubebuilder as the model for reconcilers.

Kubebuilder has a few key advantages:

  • maintains boiler plate (no copy pasta)
  • broad support in the community
  • runs with more modern k8s api versions

@scothis scothis added this to the v0.5.0 milestone Aug 19, 2019


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commented Sep 4, 2019

As is, Kubebuilder has lukewarm support for projects with multiple api groups. See

In light of our desire to also decompose the system into individually installable components (#59), we have a couple options:

  1. keep everything in a single project, create individual install units
    • pro: a single unified codebase
    • con: may prove tricky as kubebuilder isn't setup for multiple api groups never mind decomposed installs
  2. create a separate repo for each system component with a dedicated kubebuilder footprint
    • pro: more flexibility for dependencies and release lifecycles
    • con: the dependency tree all comes together in the CLI, and releases come together in the charts, so we're not gaining much at the cost of more moving pieces
  3. "mono"-repo, with kubebuilder footprints in directories instead of repos
    • pro: a single codebase
    • con: we'd have a lot of duplication in a single repo, it may be possible to share some things, but that may also add complexity.

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commented Sep 4, 2019

FWIW, I was playing around with the 3rd approach last week: #61

@scothis scothis referenced this issue Sep 4, 2019

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commented Sep 11, 2019

Done in #62 with follow on work in #67 #64 #65 #66

@scothis scothis closed this Sep 11, 2019

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