ci: remove host privilege requirements from persistent Linux runners - #4702
infraclaw-dash wants to merge 8 commits into
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📝 WalkthroughWalkthroughThe PR documents the self-hosted runner contract and updates Kotlin and Rust CI workflows to verify pre-installed dependencies instead of using host package installation. ChangesSelf-hosted runner dependency contract
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~15 minutes Change: Bug fix Merge Risk: 🟡 Moderate · up to CI can obtain different Cargo tool versions at runtime instead of using the declared runner image. Provision and verify these tools in the image, or explicitly document and pin the allowed user-local installs before merging. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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In @.github/SELF_HOSTED_RUNNER.md:
- Line 7: Update the self-hosted runner image contract to provision and
version-check cargo-llvm-cov, cargo-nextest, cargo-machete, and cargo-ndk
(including cargo-ndk 4.1.2) so workflows do not install them at runtime. If any
tool remains a runtime installation, document an explicit exception and pin its
version, removing suppressed installation failures.
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.github/SELF_HOSTED_RUNNER.md.github/workflows/kotlin-sdk-build.yml.github/workflows/tests-rs-workspace.yml
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✅ Final review complete — no blockers (commit fb3d76c) · triage: normal · Phase 2 only (queue backlog) |
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Final validation — Phase 2 only (queue backlog)
Verified the shared Rust action regression at head 961e45e: its self-hosted image checks also run in GitHub-hosted Ubuntu workflows that previously received dependency installation. Retained this as a suggestion under the supplied severity policy for non-consensus correctness issues; the affected callers and failure path are confirmed, but hosted-image package inventories and workflow execution were not independently tested.
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Review provenance
Source: reviewer 1: gpt-6-astra (agent: phase2-reviewer, role: general); reviewer 2: gpt-6-astra (agent: phase2-reviewer, role: security-auditor); final verifier: gpt-6-astra (agent: astra-verifier, role: final-verifier)
- Triage:
normalbygpt-6-astra(effort low) — The changes alter dependency provisioning and execution requirements across shared Rust tooling and multiple CI workflows, requiring coordination with runner images, but do not modify any qualifying critical surface. - Phase 1 reviewers: not run (skipped for throughput: 20 PRs queued, above the 10 limit)
- Fresh verifier:
gpt-6-astra— final-verifier; agentastra-verifier - Phase 2 reviewers:
gpt-6-astra— general (completed, effort high); agentphase2-reviewer,gpt-6-astra— security-auditor (completed, effort high); agentphase2-reviewer
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These findings are from an automated code review. Verify each finding against the current code and only fix it if needed.
In `.github/actions/rust/action.yaml`:
- [SUGGESTION] .github/actions/rust/action.yaml:134-135: Do not require self-hosted Debian packages in the shared action on hosted runners
This step is gated only by `runner.os == 'Linux'`, but the action is also called by `ubuntu-24.04` jobs in `release.yml`, `tests-rs-nightly-long-running.yml`, `tests-build-js.yml`, and `book.yml`. Those callers do not provision these packages before invoking it. Replacing the previous apt installation with unconditional package checks makes those hosted jobs fail during setup whenever `clang`, `llvm`, or `libsnappy-dev` is absent, even though rebuilding the project's pinned self-hosted image cannot change their environment. Apply the image-only verification to self-hosted runners and preserve dependency provisioning for GitHub-hosted runners, for example by branching on `runner.environment`. This keeps the persistent runners non-root without imposing their image contract on ephemeral consumers.
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Re-review — Final validation — Phase 2 only (queue backlog)
Independently reviewed the complete PR diff at fb3d76c and found no actionable in-scope defects; the prior hosted-runner dependency regression is fixed. All seven selector tests, manifest environment export, changed workflow YAML parsing, Bash syntax checks for 97 embedded scripts and the instrumented-test script, and diff whitespace checks passed locally. Approval covers this exact source head, not operational activation: companion infrastructure, real Rust/Kotlin execution on the exact candidate image, and ordinary-runner rollout remain unverified here and subject to the documented merge gates.
🔴 0 blocking | 🟡 0 suggestion(s) | 💬 0 nitpick(s)
Review provenance
Source: reviewer 1: gpt-6-astra (agent: phase2-reviewer, role: general); reviewer 2: gpt-6-astra (agent: phase2-reviewer, role: architecture-layering); reviewer 3: gpt-6-astra (agent: phase2-reviewer, role: security-auditor); reviewer 4: gpt-6-astra (agent: phase2-reviewer, role: general); reviewer 5: gpt-6-astra (agent: phase2-reviewer, role: architecture-layering); reviewer 6: gpt-6-astra (agent: phase2-reviewer, role: security-auditor); final verifier: gpt-6-astra (agent: astra-verifier, role: final-verifier)
- Triage:
normalbygpt-6-astra(effort low) — The diff makes substantial, cross-cutting CI changes to runner requirements, digest-bound image selection, and Rust/Kotlin provisioning, but does not modify any qualifying critical surface. - Phase 1 reviewers: not run (skipped for throughput: 29 PRs queued, above the 10 limit)
- Fresh final gate: an independent Phase-2 review ran after iterative findings were reconciled
- Fresh verifier:
gpt-6-astra— final-verifier; agentastra-verifier - Phase 2 reviewers:
gpt-6-astra— general (completed, effort high); agentphase2-reviewer,gpt-6-astra— architecture-layering (completed, effort high); agentphase2-reviewer,gpt-6-astra— security-auditor (completed, effort high); agentphase2-reviewer,gpt-6-astra— general (completed, effort high); agentphase2-reviewer,gpt-6-astra— architecture-layering (completed, effort high); agentphase2-reviewer,gpt-6-astra— security-auditor (completed, effort high); agentphase2-reviewer
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These findings are from an automated code review. Verify the current code and confirm that no unresolved issues remain.
No unresolved findings remain from the prior review on this head.
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/self-reviewed |
) * feat: an account that opens pull requests without a person behind it is not asked to attest `ktechmidas` posted `/self-reviewed` on dashpay/platform#4702 and it counted for nothing: the pull request was opened by `infraclaw-dash`, and an attestation is the author's own. That is right — a colleague cannot attest for you — but `infraclaw-dash` is one of the accounts this organisation runs its automation from, and there is nobody behind it to post one. Its three open pull requests would wait for ever. GitHub marks Copilot and dependabot as bots and those were already handled. These accounts are ordinary users by every API, so the policy names them: `bot_authors`, beside `required_bots`. A pull request from one is asked for no attestation, and is told nothing about its move — there is nobody there to take it. What it is owed is unchanged: it owns no area, so it still needs an eligible human approval, and that approval is what stands in. The policy is refused if it names a machine author as an owner or a reviewer anywhere. With both the owner exemption and the stand-in, such a pull request would need neither an attestation nor an approval, and could merge with nobody having read it at all. Named: infraclaw-dash, DCG-Claude and Claudius-Maginificent on platform; Claudius-Maginificent on dash-evo-tool, where it has six open pull requests. Dry run on platform: five pull requests change verdict, all five theirs, two of them straight to ready-to-merge on approvals they already hold. Mutation-checked: four behaviours reverted in turn, each caught by a test naming it; 315 tests. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> * fix: read the handles after they are known to be handles Reaching into an area's owners for the machine-author cross-check ran before `_handles` had seen them, so a policy with a non-string there — a null from a bad merge, a nested list from a paste — raised AttributeError, which `evaluate` does not catch. What used to be a reported configuration error became a crash that left every pull request in the repository without a status for that run, and the cross-repository digest with it. The check moves to the end of validation, where every handle has been read. Also pinned: that the refusal is case-insensitive, which is the property that keeps the owner exemption closed; that a machine author cannot approve its own pull request, nor a sibling machine author's; that fallback reviewers are covered too; and that a well-formed handle in `bot_authors` validates — without that last assertion the test passed against an engine that rejected the field outright. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> * fix: the engine learns the field before any policy carries it A caller runs the engine at its own pin and reads the policy live from this repository's default branch. A policy naming `bot_authors` while a caller is still pinned to an engine that does not know the key is an unknown field to it, which is a configuration error on every pull request in that repository — a red required check, and nothing merges anywhere until each caller has been re-pinned by a pull request that itself needs a green check. The repository's own CI gate says so, and was red on this branch for exactly that reason. So the policies come out of this one. The order is: this engine merges, all five callers re-pin, then `bot_authors` lands in platform.json and dash-evo-tool.json. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
…nd them (#52) `infraclaw-dash`, `DCG-Claude` and `Claudius-Maginificent` open pull requests in this organisation and nobody is behind them to post `/self-reviewed` — on dashpay/platform#4702 a colleague posted one and it counted for nothing, because an attestation is the author's own. All seven callers are pinned to an engine that knows `bot_authors`. Claudius-Maginificent is named on dash-evo-tool as well, where it has six open pull requests waiting on an attestation for the same reason. Each still needs the eligible human approval it cannot do without; that approval is what stands in for the attestation. Dry run on platform: five pull requests change verdict, all five theirs, two straight to ready-to-merge on approvals they already hold. Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Issue being fixed / companion changes
Replace privileged, locally inherited Linux runner images with a reproducible non-root image, and make future Platform requirements changes testable before merge.
What changed
.github/runner-requirements.json: complete locked inputs plus immutable image recipebaf8849b900555d66714e0e1fcffdff669b9e404. The image recipe consumes this manifest; it is not merely a drift warning against another source of requirements.mainadvances only for Platform's GitHub default branch.Runtime boundary
UID/GID 1001:1001, no sudo/Docker CLI/socket, all capabilities dropped, no-new-privileges and default seccomp/AppArmor. Candidate jobs get fresh one-job registration/work volumes. Only Kotlin receives
/dev/kvm:rwand its numeric host group. GitHub App and Docker authority remain in the separate host controller; registry credentials remain on the separate trusted publishing VM.Existing fork guards remain unchanged. A skipped self-hosted job is not successful candidate validation, and controller-side exact-head approval does not override a workflow-side guard.
Validation
actionlint, strict manifest validation, Bash syntax for 71 embedded workflow/action scripts andgit diff --checkpass.c39431b, the new routing tests, hosted Setup Rust and JavaScript compilation passed; the job then hit its pre-existing 15-minute limit while uploading the build artifact. The limit is now 20 minutes, and the final consumer rerun forfb3d76cis queued. The selector also now allows the separate build/publication window to complete (120-minute wait / 135-minute job cap).Historical publication — not the current manifest image
The original reproducible baseline was published successfully as:
This proves Docker Hub publication/access and the original recipe. It does not match the new exact lock/recipe contract and must not be presented as the candidate for this PR.
Activation and merge gates — outstanding
v4.3-dev.No PR has been merged and no live runner/controller has been deployed by this work. See
.github/SELF_HOSTED_RUNNER.mdand the companion operational guide for activation/rollout details.Breaking Changes
CI operator rollout is required: old/native Linux runners or the historical baseline image will not satisfy the exact manifest checks. Application APIs are unchanged. Native macOS dependencies still need separate provisioning/verification.
Checklist
PR Hygiene ·
fb3d76c.github/SELF_HOSTED_RUNNER.md,.github/actions/rust/action.yaml,.github/runner-requirements.jsonand 10 more) — approved by shumkovWhen every box is checked the
PR Hygienecheck passes and this can merge.