fix podhttpchaos: check observedGeneration to avoid duplicated applying

[Hexilee]

Signed-off-by: xixi i@hexilee.me

What problem does this PR solve?

Now, the controller of PodHttpChaos applies rules in each time reconciling. We should check the observedGeneration to avoid duplicated applying.

What's changed and how it works?

Add checking block:

	if obj.ObjectMeta.Generation <= obj.Status.ObservedGeneration && obj.Status.FailedMessage == "" {
		r.Log.Info("the target pod has been up to date", "pod", obj.Namespace+"/"+obj.Name)
		return ctrl.Result{}, nil
	}

Related changes

• Need to update chaos-mesh/website
• Need to update Dashboard UI
• Need to cheery-pick to release branches
  • release-2.1
  • release-2.0

Checklist

Tests

• Unit test
• E2E test
• No code
• Manual test (add steps below)

Side effects

• Breaking backward compatibility

Release note

Please add a release note.

You can safely ignore this section if you don't think this PR needs a release note.

DCO

If you find the DCO check fails, please run commands like below (Depends on the actual situations. For example, if the failed commit isn't the most recent) to fix it:

git commit --amend --signoff
git push --force

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• YangKeao
• fewdan

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[YangKeao]

LGTM

[codecov]

Codecov Report

Merging #2839 (d75cf3d) into master (4a85452) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2839   +/-   ##
=======================================
  Coverage   40.83%   40.83%           
=======================================
  Files         147      147           
  Lines       11985    11985           
=======================================
  Hits         4894     4894           
  Misses       6721     6721           
  Partials      370      370           

Impacted Files	Coverage Δ
api/v1alpha1/zz_generated.chaosmesh.go	57.64% <0.00%> (-0.35%)	⬇️
.../workflow/controllers/workflow_entry_reconciler.go	48.14% <0.00%> (+2.11%)	⬆️

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[fewdan]

LGTM

[cwen0]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: ecde103

[ti-srebot]

cherry pick to release-2.0 in PR #2851

[ti-srebot]

cherry pick to release-2.1 in PR #2852