Migrate the backends handle logic to function

[whalecold]

What this PR does / why we need it:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Which issue/s this PR fixes

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added tests to cover my changes.
• All new and existing tests passed.

[k8s-ci-robot]

Hi @whalecold. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[aledbf]

/ok-to-test

[aledbf]

/assign @ElvinEfendi

[codecov-io]

Codecov Report

Merging #5175 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5175   +/-   ##
=======================================
  Coverage   58.61%   58.61%           
=======================================
  Files          88       88           
  Lines        6872     6872           
=======================================
  Hits         4028     4028           
  Misses       2402     2402           
  Partials      442      442

---

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[whalecold]

/test pull-ingress-nginx-e2e-1-17

[k8s-ci-robot]

@whalecold: The following test failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
pull-ingress-nginx-chart-lint	478b464ac62e2ac1d9e17ac0fbcf3320f813d7c6	link	/test pull-ingress-nginx-chart-lint

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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. I understand the commands that are listed here.

[ElvinEfendi]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ElvinEfendi, whalecold

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• OWNERS [ElvinEfendi]

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