Add API for FluxCD Application

[chengleqi]

What type of PR is this?

/kind feature /kind design /kind api-change

What this PR does / why we need it:

Add API for FluxCD Application.

Which issue(s) this PR fixes:

Fixes #777

Special notes for reviewers:

Please check the following list before waiting reviewers:

• [ ] Already committed the CRD files to the Helm Chart if you created some new CRDs
• [ ] Already added the permission for the new API
• [ ] Already added the RBAC markers for the new controllers

Does this PR introduce a user-facing change??

None

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[codecov[bot]]

Codecov Report

Base: 57.38% // Head: 57.08% // Decreases project coverage by -0.29% :warning:

Coverage data is based on head (28a6f8b) compared to base (11ee977). Patch coverage: 92.16% of modified lines in pull request are covered.

:exclamation: Current head 28a6f8b differs from pull request most recent head 266532a. Consider uploading reports for the commit 266532a to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #778      +/-   ##
==========================================
- Coverage   57.38%   57.08%   -0.30%     
==========================================
  Files         188      192       +4     
  Lines       11114    15257    +4143     
==========================================
+ Hits         6378     8710    +2332     
- Misses       4356     6165    +1809     
- Partials      380      382       +2     

Flag	Coverage Δ
unittests	57.08% <92.16%> (-0.30%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/kapis/gitops/v1alpha1/gitops/handler.go	82.71% <82.71%> (ø)
pkg/kapis/gitops/v1alpha1/argocd/handler.go	96.00% <92.10%> (+9.33%)	:arrow_up:
pkg/kapis/gitops/v1alpha1/argocd/route.go	100.00% <100.00%> (ø)
pkg/kapis/gitops/v1alpha1/fluxcd/handler.go	100.00% <100.00%> (ø)
pkg/kapis/gitops/v1alpha1/fluxcd/route.go	100.00% <100.00%> (ø)
pkg/kapis/gitops/v1alpha1/gitops/util.go	100.00% <100.00%> (ø)
pkg/kapis/gitops/v1alpha1/registery.go	100.00% <100.00%> (ø)
pkg/apiserver/runtime/runtime.go	46.42% <0.00%> (-9.83%)	:arrow_down:
...g/kapis/devops/v1alpha3/pipelinerun/listhandler.go	61.53% <0.00%> (-5.13%)	:arrow_down:
...pis/devops/v1alpha3/webhook/workflowrun_handler.go	75.75% <0.00%> (-4.25%)	:arrow_down:
... and 186 more

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[chengleqi]

I remain the POST GET LIST UPDATE DELETE API on Applications and remove /sync and /application-summary API that ArgoCD Exclusive to the argocd directory.

It support both ArgoCD and FluxCD Applications now. And I will add API that FluxCD Exclusive like HelmTemplate in the fluxcd directory in the future.

The only thing need to be changed in the frontend is the application kind (from 'argo-project' to 'argocd') https://github.com/chengleqi/kubesphere-console/commit/ba1d51cb904183d04b03b9779d4de0210cb40272

[chengleqi]

@lxm

[ks-ci-bot]

@chengleqi: Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[chengleqi]

• Extract public handler into gitops folder and Embed the public handler in both argocd handler and fluxcd handler so these handler can use the public handler.
• Add --argocd and --fluxcd to instruct whether to register the corresponding routes.
• Need to add --argocd flag in the ks-devops-helm-chart

[lxm]

• Extract public handler into gitops folder and Embed the public handler in both argocd handler and fluxcd handler so these handler can use the public handler.
• Add --argocd and --fluxcd to instruct whether to register the corresponding routes.
• Need to add --argocd flag in the ks-devops-helm-chart

great!

[lxm]

lgtm
but the codecov seems broken. @kubesphere/sig-devops