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docs: document automatic gcloud sign-in during GCP provider setup #442

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docs: document automatic gcloud sign-in during GCP provider setup
oz-agent Jul 31, 2026
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Merge branch 'main' into docs/gcp-gcloud-auto-signin
hongyi-chen Jul 31, 2026
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14 changes: 14 additions & 0 deletions src/content/docs/platform/integrations/cloud-providers.mdx
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Expand Up @@ -229,6 +229,20 @@ federated credentials. Oz uses
[**executable-sourced credentials**](https://docs.cloud.google.com/iam/docs/workload-identity-federation-with-other-providers#create-credential-config)
to configure ADC for automatic token rotation.

#### Automatic `gcloud` sign-in

Environment variables alone are enough for the Google SDKs, but `gcloud` reports no active account until
it signs in through its own auth system, and some tooling depends on an active account. During provider
setup, Oz therefore also runs `gcloud auth login` against the federated credential file so `gcloud` reports
the federated identity as its active account.

This step is best-effort and never blocks the run:

* **`gcloud` isn't installed** - Oz skips the sign-in. The ADC environment variables still provide credentials to the Google SDKs.
* **Sign-in fails or times out** - Oz logs the failure and continues. The ADC environment variables still work, so a run only loses the active-account convenience.

To confirm the account inside a run, use `gcloud auth list`.

## Other providers

To authenticate from Oz to another provider that supports OIDC federation, you can issue tokens
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