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ci: migrate CI runners to Blacksmith#122

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ben-miru merged 1 commit into
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ci/migrate-to-blacksmith
Jun 26, 2026
Merged

ci: migrate CI runners to Blacksmith#122
ben-miru merged 1 commit into
mainfrom
ci/migrate-to-blacksmith

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Summary

Migrates all GitHub-hosted CI runners to like-for-like Blacksmith equivalents.

Workflow Job runner Before After
ci.yml all 6 jobs ubuntu-latest blacksmith-2vcpu-ubuntu-2404
codeql-analysis.yml analyze ubuntu-latest blacksmith-2vcpu-ubuntu-2404
promote.yml promote ubuntu-latest blacksmith-2vcpu-ubuntu-2404

ubuntu-latest -> 2vcpu (2-core equivalent). No 4c/8c or arm runners present. No runs-on expressions to resolve.

The promote job's special behavior comes from its environment + app token, not its runner, so the like-for-like ubuntu -> blacksmith mapping is safe.

Note

Jobs will run on Blacksmith only once the Blacksmith GitHub App has been granted access to this repo (org-level setting). Until then, GitHub will queue jobs waiting for the Blacksmith runner labels.

Only .github/workflows/* changed.

Move GitHub-hosted runners to like-for-like Blacksmith sizes
(2c->2vcpu, 4c->4vcpu, 8c->8vcpu). Jobs run on Blacksmith once the
Blacksmith GitHub App has access to this repo (org-level setting).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@ben-miru ben-miru merged commit 96721f7 into main Jun 26, 2026
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@ben-miru ben-miru deleted the ci/migrate-to-blacksmith branch June 26, 2026 01:33
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