K8s based podDisruptionBudget for etcd

[Rachit-Chaudhary11]

What this PR does / why we need it:

Higher versions of Kubernetes fail to work with etcd policy/v1beta1, hence a configurable policy based on the kubernetes version is needed.

Error Message: No matches for kind "PodDisruptionBudget" in version "policy/v1beta1".

Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

• Chart Version bumped
• Variables are documented in the README.md
• Title of the PR starts with chart name (e.g. [mychartname])
• PR only contains changes for one chart

[Rachit-Chaudhary11]

/assign @zwd1208
@haorenfsa please verify

[haorenfsa]

@Rachit-Chaudhary11 Lint not pass: https://github.com/zilliztech/milvus-helm/actions/runs/8214018017/job/22466048776?pr=74

Could you also post it here what changes did you do to the etcd chart? since it's a binary in the repo.

[Rachit-Chaudhary11]

@Rachit-Chaudhary11 Lint not pass: https://github.com/zilliztech/milvus-helm/actions/runs/8214018017/job/22466048776?pr=74

Could you also post it here what changes did you do to the etcd chart? since it's a binary in the repo.

@haorenfsa I have made the changes to the following files (_helpers.tpl, pdm.yaml) inside etcd-6.3.3.tgz

1. ../charts/milvus/charts/etcd-6.3.3.tgz!/etcd-6.3.3/etcd/templates/_helpers.tpl

---

2. ..charts/milvus/charts/etcd-6.3.3.tgz!/etcd-6.3.3/etcd/templates/pdb.yaml

[Rachit-Chaudhary11]

@haorenfsa similar check is done for minio

Refer- https://github.com/zilliztech/milvus-helm/blob/master/charts/minio/templates/_helpers.tpl#L35

[haorenfsa]

@Rachit-Chaudhary11 looks the etcd-6.3.3.tgz binary is not gzipped:

How did you package it? usually we use the command like: tar -czf etcd-6.3.3.tgz .

[Rachit-Chaudhary11]

@Rachit-Chaudhary11 looks the etcd-6.3.3.tgz binary is not gzipped:

How did you package it? usually we use the command like: `tar -czf etcd-6.3.3.tgz .`

@haorenfsa I believe I have done the same. May I know what is exactly the issue?
Basically what I did is unarchieve it and placed it a different place, made the changes, archived it and move the archived folder again back to charts/milvus/charts which invariably replaced this existing tgz for etcd.

[haorenfsa]

@Rachit-Chaudhary11 it's packaged, but not archived through gzip, since we can still see the preview of its content.
https://github.com/zilliztech/milvus-helm/blob/0d63040bd493efc3a136d4064591bf5d14c41a1b/charts/milvus/charts/etcd-6.3.3.tgz

The gziped content cannot be previewed, like: https://github.com/zilliztech/milvus-helm/blob/0d63040bd493efc3a136d4064591bf5d14c41a1b/charts/milvus/charts/minio-8.0.17.tgz

[haorenfsa]

@Rachit-Chaudhary11 please check if -z option is included in your tar command

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[Rachit-Chaudhary11]

@haorenfsa Thank you for the suggestion.
I have zipped the etcd directory again and checked-in. Kindly validate.

[haorenfsa]

Hi @Rachit-Chaudhary11 , please squash your commits into 1. and then sign it off.

For squash you can use command:

• git rebase -i HEAD~11 (you have 11 commits in all)
• then, in the interactive vim: change all the pick to squach, then save it with :x

Then you can sign off with git commit --amend -s, then update your final commit msg, and save it with :x

[haorenfsa]

@Rachit-Chaudhary11 Oh, by the way, since we start to maintain the etcd chart. It's better to also track the source code in the repo like we did for minio. Could you please also add an etcd folder under /charts/ with the source code of the etcd chart?

[Rachit-Chaudhary11]

@haorenfsa as suggested I have added the source code but that has invariably caused the helm and other issues above. Is it okay if you can add the source code at your end

[Rachit-Chaudhary11]

@haorenfsa @zwd1208 please check for the above errors due to the addition of the suggested changes.

[Rachit-Chaudhary11]

@haorenfsa @zwd1208 can you please help in getting this PR merged.

[haorenfsa]

@Rachit-Chaudhary11 Please make sure the checks pass.

[Rachit-Chaudhary11]

@haorenfsa
Due to some rebasing issues, I am unable to proceed. Closing this PR and creating a new one having exactly the same fixes.
PR #82