Migrating from custom to google managed IAP client

[hamza3202]

With the deprecation of IAP OAuth Admin API, we need to use google managed oauth clients instead of custom oauth client.

Google managed oauth clients can be provisioned by excluding the spec.iap.oauthclientCredentials section in the BackendConfig.

However, for already provisioned BackendConfigs, removing this doesn't configure the BackendConfig to use the google managed oauth client rather the original oauth client continues to be used.

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/lifecycle stale

[k8s-triage-robot]

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues.

This bot triages un-triaged issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

You can:

• Mark this issue as fresh with /remove-lifecycle rotten
• Close this issue with /close
• Offer to help out with Issue Triage

Please send feedback to sig-contributor-experience at kubernetes/community.

/lifecycle rotten