install: create a RoleBinding for obtain delegated authentication

[Huang-Wei]

Fixes #271.

This PRs adds a RoleBinding to obtain delegated authentication which is defined in extension-apiserver-authentication-reader/kube-system.

[Huang-Wei]

@wangchen615 could you give it a try to see if it works?

[Huang-Wei]

/retest

[Huang-Wei]

Ping @wangchen615. Can you take some chance to verify this fix?

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[wangchen615]

Ping @wangchen615. Can you take some chance to verify this fix?

Thanks, @Huang-Wei , yes, this role is also needed.

[Huang-Wei]

@denkensk could you help /lgtm this?

[denkensk]

/lgtm
/approve

Thanks @Huang-Wei

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: denkensk, Huang-Wei

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