Authenticate release workflow to Cloudsmith via OIDC#70
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Push the gem to Cloudsmith (ruby.cloudsmith.io/gusto/gusto) instead of RubyGems, using the same GitHub OIDC -> Cloudsmith token exchange pattern merged in Gusto/virtuous-pdf#452.
This was referenced Jul 14, 2026
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What
Test PR for the Cloudsmith migration effort. Repoints the
gem pushstep from RubyGems to Cloudsmith, using the same GitHub OIDC -> Cloudsmith token exchange pattern already merged and working in Gusto/virtuous-pdf#452.Changes
permissions: id-token: write(required to mint the OIDC token).cloudsmith-io/cloudsmith-cli-action@v2(oidc-auth-only: "true"), which exchanges the GitHub OIDC token for a short-lived Cloudsmith token and exports it asCLOUDSMITH_API_KEY— no static secret needed.gem push fixture_kit-*.gem --host https://ruby.cloudsmith.io/gusto/gusto, authenticated viaGEM_HOST_API_KEY="Bearer ${CLOUDSMITH_API_KEY}"(Cloudsmith's documented format for RubyGems pushes).secrets.RUBYGEMS_API_KEYreference removed since it's no longer used; the secret itself can be cleaned up from repo settings separately once this is confirmed working.Why this repo first
Marked as a test case: this is a near-exact analog of the already-merged virtuous-pdf fix (plain
gem push, nobundle installstep to also repoint), so it's the lowest-risk way to confirm the pattern works before rolling it out to the rest of the RubyGems/npm/NuGet/Docker repos identified in the Cloudsmith migration audit.Opened as draft — holding for a real release run (or manual dispatch, if you'd like me to add a
workflow_dispatchtrigger) to confirm the push actually succeeds against Cloudsmith before merging.