[Fleet] Tests for the Agent restructure / symlink work

[EricDavisX]

In this PR we had some test questions, since it is closed I'd like to open an issue for testing and automation work and track it here:
#20400 (comment)

@michalpristas can you make sure any changes that break the e2e-testing are fixed?

@rahulgupta-qasource we can use this as a running tally of questions + tests. I'll seed the list with what questions we had from the pr.

Queries:

Could you please let us know if we have to validate the above packages on 7.9.2-SNAPSHOT or 8.0.0-SNAPSHOT also.

• It was not backported to 7.9.2, so no testing needed there.
• 8.0 is a valid code base to test against, but we need not do this. Once thru is ok.

Could you please share the exact steps to execute the upgrade/rollback scenarios (say as per comment #20400 (review) , #20400 (comment) and #20400 (comment) )
Please let us know if we are missing something to validate this ticket or need to add any other validation scenario.

• I think the UI side is not implemented yet, so it isn't testable. If / when it is we can do so and Engg can confirm when all moving / needed parts are merged and backported. Thanks.

[elasticmachine]

Pinging @elastic/ingest-management (Team:Ingest Management)

[ph]

The upgrade / rollback scenario aren't implemented yet, its still a work in progress.

[ghost]

Hi @EricDavisX / @ph

Thank you for sharing the feedback.

Please keep us posted once upgrade / rollback scenarios are implemented and share the exact steps to validate the same.

[ph]

@EricDavisX I believe this could be closed?

[EricDavisX]

I was confused on which core focus this issue was. It is about the re-testing of Agent install. It is confirmed as implemented and works well in many cases. There are open issues and questions we are tackling and they are all logged separately. So, yes, lets close this out.

[EricDavisX]

@rahulgupta-qasource about the upgrade-agent cases, it is testable and we will track that separately as well