Add release workflows

[gaiksaya]

Description

This PR adds below things:

• A GitHub action workflow that will be triggered when a tag is pushed to this repository. The workflow builds the release artifacts and creates a draft release with the built artifacts attached as artifacts.tar.gz in the draft release release.
• A jenkins workflow that is triggered based on above draft release. The workflow looks for artifacts.tar.gz, downloads it and then signs it and publishes it to Maven.

Currently, I have kept the autoPublish tab as false since this is the first release, we would like to see the staged artifacts before we hit release. Also taking artifacts down from maven is a pain.

To-Do once the release is successful:

• Change the autoPublish flag to true
• Change the autoRelease tag to true

Issues Resolved

opensearch-project/opensearch-build#2846

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[rishabh6788]

is the jenkins job specific to spring-data-opensearch repo?
If yes, can we rename the jenkinsfile to something specific? @gaiksaya

[gaiksaya]

I am going to add credentials to jenkins and set webhook for this repository. Please wait and allow me to merge.
Please review till then

[gaiksaya]

is the jenkins job specific to spring-data-opensearch repo? If yes, can we rename the jenkinsfile to something specific? @gaiksaya

This is specific to this repo. I believe we dont need to name it spring data again in spring data repo.
Once we have publish snapshot ready we can add another workflow as publishSnapshot.jenkinsFile

[reta]

@gaiksaya the release workflow failed :( https://build.ci.opensearch.org/job/spring-data-opensearch-release/2/console

[prudhvigodithi]

Hey @reta I have noticed there was no successful run from past, will take a look to see whats going on.
Thank you
@gaiksaya

[gaiksaya]

Hi @reta ,

I figured out the issue. Since the artifacts are quite large, it is trying to unzip before it was
can be downloaded completely. The incomplete download caused the error. https://github.com/opensearch-project/opensearch-build-libraries/tree/1.5.1/vars/standardReleasePipelineWithGenericTrigger.groovy#L82

I'll create a fix and update the jenkins file in this repo. Is it okay if I re-push the tag and re-create the pre-release?

[reta]

I'll create a fix and update the jenkins file in this repo. Is it okay if I re-push the tag and re-create the pre-release?

Thanks a lot @gaiksaya , yes, please feel free to re-push the tag and re-create the pre-release