Add redis configuration automatically when there are multiple master

[pixiake]

What this PR does / why we need it:

Add redis configuration automatically when there are multiple master nodes.

Fix: kubesphere/kubesphere#5008

Signed-off-by: pixiake guofeng@yunify.com

[pixiake]

/cherrypick release-3.3

[ks-ci-bot]

@pixiake: once the present PR merges, I will cherry-pick it on top of release-3.3 in a new PR and assign it to you.

In response to this:

/cherrypick release-3.3

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[wansir]

/lgtm
/approve

[ks-ci-bot]

LGTM label has been added.

Git tree hash: 465c97128ad2e88dbd55004eea5103e962329359

[ks-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: pixiake, wansir

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• OWNERS [pixiake]

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[ks-ci-bot]

@pixiake: new pull request created: #2034

In response to this:

/cherrypick release-3.3

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.