feat(spartan): WIF + Artifact Registry for treasury-infra CI#24527
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Adds a GitHub Actions Workload Identity pool/provider restricted to the aztec-labs-eng/treasury-infra repository, a treasury-infra-ci service account it may impersonate, and a treasury-infra Docker repository the account can write to. Lets that repo's CI push its propose-watcher image keylessly; GKE nodes already read Artifact Registry project-wide. The pool/provider names (github / treasury-infra) are referenced by the GCP_WIF_PROVIDER variable already set on the treasury-infra repo.
alexghr
approved these changes
Jul 6, 2026
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Adds the IAM for
aztec-labs-eng/treasury-infraGitHub Actions to push Docker images (the propose-watcher service, treasury-infra#4) to Artifact Registry intestnet-440309— keyless via Workload Identity Federation, as requested by Alex instead of ad-hoc gcloud commands.What it declares (in
spartan/terraform/gke-cluster/):iam.tf: service accounttreasury-infra-ci, agithubWorkload Identity pool, an OIDC provider trusting GitHub-issued tokens with an attribute condition pinning it to exactly theaztec-labs-eng/treasury-infrarepository, and theworkloadIdentityUserbinding.docker-registry.tf: Docker repositorytreasury-infra(us-west1) and anartifactregistry.writerbinding for the CI service account scoped to that one repository — nothing project-wide.Notes for the applier:
terraform validatepasses; I don't have permissions to plan/apply against the live state (editor only).treasury-infraAR repo andtreasury-infra-ciSA were deleted before this PR, soterraform applycreates everything fresh — no imports needed. Expected plan: 6 to add, 0 to change, 0 to destroy.aztec-gke-nodes-saalready has project-levelartifactregistry.reader(managed in this same file).build-pushjob works immediately.