Validity of OIDC token is too short for meaningful usage of Identity Federation

[vipinvkmenon]

🏷️ Discussion Type

Bug

💬 Feature/Topic Area

Workflow Configuration

Discussion Details

We’re currently evaluating the use of GitHub’s OIDC provider for identity federation with SAP Cloud Identity Services.

One issue we’ve run into is that the JWT token issued by GitHub appears to have a lifetime of only ~5 minutes. This short expiry seems to carry through SAP Cloud Identity Services as well, and it’s causing failures in workflows that run longer than that duration.

Related issues:

cloudfoundry/terraform-provider-cloudfoundry#469
SAP/terraform-provider-btp#1450

Is the JWT token lifetime configurable? For reference, GitLab allows customising ID token duration:
https://docs.gitlab.com/administration/auth/oidc/#configure-a-custom-duration-for-id-tokens

Right now, the short TTL is a blocker for many of our use cases, so we’re looking for a way to extend the token validity or otherwise handle longer-running workflows.

[github-actions[bot]]

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