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Route trusted compile admission through persistent Macs - #13425
teamleaderleo wants to merge 40 commits into
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📝 WalkthroughWalkthroughThe change adds a gated persistent macOS compile pilot for trusted pull requests. CI records exact source identity, routes eligible requests through a default-branch workflow, validates producer artifacts, preserves hosted fallback, and records compile-admission metrics. ChangesPersistent macOS compile admission
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~90 minutes Change: Feature · Severity of issue fixed: Medium Sequence Diagram(s)sequenceDiagram
participant PullRequestCI
participant Router
participant PersistentProducer
participant RequiredAdmission
participant ArtifactStore
PullRequestCI->>Router: Publish and validate source-bound request
Router->>PersistentProducer: Dispatch bounded compile
PersistentProducer->>ArtifactStore: Upload products and receipts
RequiredAdmission->>ArtifactStore: Download candidate artifact
RequiredAdmission->>RequiredAdmission: Revalidate or use hosted compile
Merge Risk: 🟡 Moderate · up to The pilot currently cannot produce a persistent build and can significantly delay hosted fallback. Fix its required assets, routing behavior, and runner guard before merging. Important Pre-merge checks failedPlease resolve all errors before merging. Addressing warnings is optional. ❌ Failed checks (1 error, 1 warning)
✅ Passed checks (23 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 1.79% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 56 functions across 6 files. (9 skipped: 9 unsupported.) Full details: Cmux No Hacky SleepsExplanation The new production script Resolution Remove the direct fixed sleeps from
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Actionable comments posted: 4
- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In @.github/workflows/ci.yml:
- Around line 74-80: Update the source-identity step around the commit/parent
assertions to expose an explicit validity output while continuing on
octopus-merge assertion failures. Require that validity output on both
persistent route paths, including the route request and
persistent-mac-compile-route, so neither runs with empty source_tree or
source_parent1; preserve normal routing when the source identity is valid.
- Line 2600: Update the macos-compile-admission workflow so hosted-runner
admission is not gated on completion of persistent-mac-compile-route; start
admission in parallel with routing and resolve the route before selecting the
compile branch. Preserve routing outcomes while preventing queue, execution, or
missing-artifact budgets from delaying hosted fallback by the full configured
duration.
In `@scripts/ci/run-persistent-mac-compile.py`:
- Around line 432-441: Ensure the exact SOURCE_SHA checkout includes the
canonical workload files expected by the checks in the persistent compilation
flow: cmux_workload_profile.py and cmux-workload-profiles.json. Update the
source-commit contents or checkout preparation so these files exist before the
is_file validation, allowing authorized persistent invocations to proceed.
In `@tests/test_ci_self_hosted_guard.sh`:
- Around line 1193-1196: Update check_no_self_hosted_fleet_runners to capture
labels: and group: mapping lines, and replace the unreachable exemption with
matching exemptions for the persistent workflow’s group and labels lines. Add a
self-test probe covering mapping-form runs-on alongside the existing inline
self-hosted probe.
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📒 Files selected for processing (15)
.github/actionlint.yaml.github/workflows/ci-guards.yml.github/workflows/ci.yml.github/workflows/persistent-macos-compile.yml.github/workflows/persistent-macos-router.yml.gitignoreCLAUDE.mddocs/ci-runners.mdglaeda.apple.jsonscripts/ci/compile-app-host-test-product.shscripts/ci/persistent-mac-semantic-entrypoint.shscripts/ci/persistent_mac_route.pyscripts/ci/run-persistent-mac-compile.pytests/test_ci_persistent_mac_compile.pytests/test_ci_self_hosted_guard.sh
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Picking up the current review blockers on exact head |
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Also made the #13411 dependency explicit by retargeting this stacked PR to @greptile-apps review |
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Superseded by #13431. Current The exact-source rule is preserved: pre-#13411 source commits fall back hosted instead of injecting a newer workload runner. Closing this stale/diverged PR so there is one review target. |
| self.assertIn("--observe-seconds 5", admission) | ||
| resolve_index = admission.index("- name: Resolve Swift packages") | ||
| route_index = admission.index("- name: Observe persistent Mac compile candidate") | ||
| compile_index = admission.index("- name: Compile app-host test product") | ||
| self.assertLess(resolve_index, route_index) | ||
| self.assertLess(route_index, compile_index) |
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This test now requires the workflow to pass --observe-seconds 5 and resolve Swift packages before observing the persistent route. However, .github/workflows/ci.yml still passes --observe-seconds 60 and performs route observation before package resolution. The focused contract suite therefore fails, so the required ci-guards job cannot pass on this head.
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🧠 Learnings used
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Landing note:
The selector remains off by default. After #13411 + this PR merge, the initial cohort is intentionally one trusted same-repo PR; fork/untrusted PRs stay hosted. |
1 participant
Summary
Implements the bounded pilot from #13198 using Glaeda's merged native Apple front door from teamleaderleo/glaeda#1048.
CI_PERSISTENT_MAC_COMPILE;macOS compile admissionjob remains the check/log/artifact owner;workflow_runrouter;Package.resolved, submodules, cache lineage, warning budget, and early CLI probes are revalidated before adoption;Authority split
The PR workflow publishes only an immutable route request artifact. The default-branch router binds that request to the exact originating CI workflow run, live PR head/base, synthetic merge commit, and Git tree before it may dispatch the producer.
The producer uses public Git fetches rather than
actions/checkout. It pins merged Glaeda #1048 at3e7001b3702459df2e6177c6beacc715215a7aa0, including exact commit/tree/clean-source admission. Glaeda owns cache placement/admission/recovery; CMUX owns semantic pass/fail throughcmux.macos.compile-admission@1andcmux-workload-result/v1.Rollout
Default behavior stays hosted. The pilot is enabled only after this PR and #13411 are merged and the admin runner setup is complete. The producer refuses candidates that lack canonical
cmux.macos.compile-admission@1:CI_PERSISTENT_MAC_COMPILE=pilotCI_PERSISTENT_MAC_COMPILE_COHORT=<PR number or head branch>The external runner group is
cmux-persistent-compile, restricted to this repository and the main-branch producer workflow.Validation
This PR adds focused contract tests for trust/cohort routing, source-run binding, fallback budgets, Glaeda state retention/reset policy, producer permissions, runner-group isolation, canonical semantic-receipt validation, exact source/toolchain revalidation, and metrics. Existing warning-budget and early CLI validation stay in the required admission job.
The producer cannot run from this PR branch because its workflow and privileged router intentionally become dispatchable only from the default branch after merge. CI here therefore proves the hosted fallback and repository-side contracts. Real PR-head measurements begin with the opt-in cohort after merge.
Closes #13198 only after pilot evidence/admin cutover is accepted; this PR itself keeps the selector off by default.
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@codesmith-botwith what you need. Autofix is disabled.Summary by cubic
Implements the bounded pilot that routes trusted compile admission through persistent Macs; default behavior stays hosted, and forks and untrusted PRs keep the existing hosted path.
Pilot behavior
CI_PERSISTENT_MAC_COMPILE.macOS compile admissionjob stays the check, log, validation, and artifact owner; it may consume the producer's product after revalidating commit/tree, Xcode, SDK, architecture,Package.resolved, submodules, canonical receipt, cache lineage, and warning budget.cmux.macos.compile-admission@1profile through a semantic entrypoint, and owns persistent DerivedData, SwiftPM, module-cache, and Xcode compilation-cache state.workflow_runrouter bound to the originating run's synthetic merge commit and tree, so PR CI keeps read-only Actions permission and no repository secrets.Rollout
CI_PERSISTENT_MAC_COMPILE=pilotand a concreteCI_PERSISTENT_MAC_COMPILE_COHORT.cmux-persistent-compileis restricted to this repository and the default-branch producer workflow.Written for commit 1d8d1b0. Summary will update on new commits.
Summary by CodeRabbit
New Features
Bug Fixes
Documentation