Support GCPKMS login via Oauth token
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- Dominant language
- Go
- Stars
- 23.1k
- Forks
- 1.1k
- Avg merge
- 1d 11h
- Merged PRs (30d)
- 9
Description
We are using sops to decrypt sensitive data in a CI pipeline using GCPKMS. Currently we log into Google via a credentials file that gets inserted at GOOGLE_APPLICATION_CREDENTIALS. We'd like to move away from the credentials file in favour of OIDC login and a JWT token. However, sops does not appear to be picking up the credentials when gcloud logs in in this manner.
Would it be possible to check the environment for a GOOGLE_OAUTH_TOKEN variable or similar and then use it to pass a WithTokenSource option to the KMS service creation?
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the GCPKMS service creation and the existing GOOGLE_APPLICATION_CREDENTIALS handling. Trace how a gcloud OIDC login exposes GOOGLE_OAUTH_TOKEN or a similar token, then verify that the token reaches KMS authentication and that CI decryption works without a credentials file.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- gcp, go
- Domain
- authentication, cloud, security
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100