Add target to deploy a namespace-scoped operator.

[fjammes]

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Add a Makefile target (i.e. make ns-deploy) and related kustomize configuration files to deploy a namespace-scoped operator. This target would automate the feature documented here: https://sdk.operatorframework.io/docs/building-operators/golang/operator-scope/#changing-the-permissions-to-namespaced.

I have implemented a prototype for it and I can open a PR if needed.

It does not require a particular kubernetes version.

/kind feature

[camilamacedo86]

We think that it is a common need so please feel free to push a PR with your idea to solve that. However, we are not sure if it would be better addressed via a makefile target. Let's check your proposal and go forward from there. WDYT?

[Adirio]

Small note: the most that can be solved with kustomize patches the better.

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[fjammes]

/remove-lifecycle stale

[fjammes]

Hi @camilamacedo86, here is my proposal "https://github.com/kubernetes-sigs/kubebuilder/pull/2254" The current idea is to run command below in the operator repository:

# generate <OPERATOR_REPO_DIR>/manifests/operator-ns-scoped.yaml
make yaml-ns-scoped
# And then set namespace and deploy manually
sed 's/<NAMESPACE>/my-namespace' manifests/operator-ns-scoped.yaml | kubectl apply -f -

I agree this is not perfect but this first step works fine on my side.

[camilamacedo86]

Hi @fjammes,

The idea is nice. But the implementation does not seem accurate. Please, check my comment https://github.com/kubernetes-sigs/kubebuilder/pull/2254#pullrequestreview-769487971

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[camilamacedo86]

/remove-lifecycle stale

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