Create Helm Chart from Static Manifests

[hswong3i]

What type of PR is this? /kind feature

What this PR does / why we need it: This PR convert our static deployment manifests from deploy/kubernetes-latest/* into Helm Charts under charts/*, by running a convert script under deploy/util/chart-releaser.sh.

Moreover, it handle the chart release with branch gh-pages, by integrate with https://github.com/helm/chart-releaser-action.

The sample helm repo could find from https://alvistack.github.io/kubernetes-csi-csi-driver-host-path/index.yaml, by:

helm repo add csi-driver-host-path https://alvistack.github.io/kubernetes-csi-csi-driver-host-path/
helm repo update
helm search repo csi-driver-host-path

Before each stable tag release, maintainers only required to:

1. Run the ./deploy/kubernetes-latest/chart-releaser.sh and update templates under charts/*/templates/*
2. Double confirm charts/*/values.yml with correct values, e.g. image tags
3. git add --all --force charts/* && git commit

Create Helm Chart from Static Manifests

[k8s-ci-robot]

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[k8s-ci-robot]

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/lifecycle stale

[hswong3i]

/remove-lifecycle stale

[carlory]

Thanks for your contribution.

This repo is mainly used for kubeneretes to test storage e2e tests. I'm not sure how much benefit we'll get from this PR because it might introduce extra maintenance burden.

I have no objection to this PR. Let's hear from others.

/cc @xing-yang @msau42 /ok-to-test

[hswong3i]

This repo is mainly used for kubeneretes to test storage e2e tests. I'm not sure how much benefit we'll get from this PR because it might introduce extra maintenance burden.

This PR already introduce a simple wrapper script for converting existing static manifests into helm.

Before each stable tag release, maintainers only required to:

1. Run the ./deploy/kubernetes-latest/chart-releaser.sh and update templates under charts//templates/
2. Double confirm charts/*/values.yml with correct values, e.g. image tags
3. git add --all --force charts/* && git commit