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fix(gittarget): report scoped path refusals - #358
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…rantee The proposal wanted two things that do not compose: no Git round-trip in the admission path, and failurePolicy: Fail with deny-on-cannot-assess. A snapshot you refuse to refresh is stale by construction, so a hard gate built on it promises a guarantee its own inputs cannot support. Pick the coherent half. Preflight answers from the working copy the branch worker already has, fast, and folds "cannot assess" toward allow: - The promise shrinks to "no involved target is KNOWN to be unable to publish this change". A denial is a finding; an allow is only the absence of one. - allowed=false carries a refusal; allowed=true plus AdmissionResponse.warnings carries "could not verify". There is no third verdict in the API, and warnings are the honest place to put the third state. - failurePolicy: Ignore with timeoutSeconds: 1, matching what /validate-all already ships. Fail was never available anyway: the handler is served by the operator's own pod, so Fail on core resources deadlocks the cluster at bootstrap. - A new no-Git-operations rule: no fetch, pull, push, commit, checkout or index write on the preflight path, enforced by handing it a read-only filesystem rather than by intending it. - A missing local copy is "cannot assess", allowed by default, with an install-level setting for operators who would rather fence the resource. Two tables now state what preflight can and cannot answer. The split is not arbitrary: repository shape does not change between one kubectl apply and the next, so shape-derived refusals do not decay, while everything lost to staleness was never knowable at admission time. Also records what the code already provides. writeBatch.flush runs its four preconditions on in-memory buffers before the byte-writing loop, so the read-only extraction is a split of one function, not a re-architecture; the earlier caution about calling the planner from admission was over-cautious. HA is dropped from scope, since the chart refuses replicaCount > 1. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
📝 WalkthroughWalkthroughThe change updates Git preflight design guidance, adds remote-refresh handling for forced GitTarget rechecks, records scoped refusal state, improves bounded refusal messages, and expands operator documentation and refusal-recovery tests. ChangesGitTarget status and resync behavior
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant GitTarget
participant TargetWatch
participant EventRouter
participant BranchWorker
participant RemoteRepository
GitTarget->>TargetWatch: request forced recheck
TargetWatch->>EventRouter: enqueue replay with refreshRemote
EventRouter->>BranchWorker: submit ResyncRequest
BranchWorker->>RemoteRepository: refresh remote tip
BranchWorker->>BranchWorker: replay retained writes
BranchWorker-->>EventRouter: apply scoped acceptance or refusal
Merge Risk: 🟡 Moderate · up to Admission can reject changes that a fresh publisher would accept, and GitTarget status can incorrectly recover while another source cell remains refused. These behavior and status-correctness issues should be resolved before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 38.71% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 31 functions across 19 files. (5 skipped: 5 unsupported.)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Actionable comments posted: 3
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Inline comments:
In `@docs/design/git-write-preflight.md`:
- Around line 146-148: Update the preflight staleness guarantee in the design
text to be snapshot-relative: explicitly state that a stale published snapshot
may contain blockers removed by current inputs, causing false rejections even
when fresh writer evaluation would publish. Preserve the existing one-way
guarantee only relative to the snapshot being evaluated.
In `@internal/git/branch_worker.go`:
- Line 1485: Update the authenticated provider refresh flow around
syncToRemoteFn and getAuthFromSecret to reject credentialed http://
GitProviderSpec.URL values, allowing only HTTPS or SSH schemes. Configure the
Git client so credentials are not forwarded across redirects to a different
origin, while preserving authentication for same-origin requests.
In `@internal/watch/git_path_acceptance.go`:
- Line 87: Update the acceptance flow around MarkTargetGitPathAccepted so the
target-cell match predicate and Accepted=true write execute within a single
mutateWatchPlane mutation. Avoid reading a separate acceptance snapshot before
writing, and ensure concurrent refusals for other cells are preserved.
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ℹ️ Review info
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📒 Files selected for processing (24)
docs/INDEX.mddocs/TODO.mddocs/configuration.mddocs/design/git-write-preflight.mddocs/design/gittarget-red-status-plan.mdinternal/git/branch_worker.gointernal/git/branch_worker_split_test.gointernal/git/git_path_refusal.gointernal/git/git_path_refusal_test.gointernal/git/resync_flush.gointernal/git/resync_push_test.gointernal/git/source_cell.gointernal/git/types.gointernal/git/write_boundary_precondition_test.gointernal/manifestanalyzer/acceptance_refusal.gointernal/manifestanalyzer/acceptance_refusal_test.gointernal/watch/event_router.gointernal/watch/event_router_test.gointernal/watch/git_path_acceptance.gointernal/watch/git_path_acceptance_test.gointernal/watch/manager.gointernal/watch/owner_test.gointernal/watch/target_watch.gotest/e2e/unsupported_folder_e2e_test.go
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Description
Improves GitTarget path-refusal reporting and recovery when the remote Git tree changes underneath the controller. The branch now also gates credentialed
http://GitProvider URLs by default, with an explicit Flux-style opt-in for trusted development or in-cluster Git servers:--allow-insecure-git-http/controllerManager.allowInsecureGitHTTP=true.The e2e install harness opts into that flag only for its known in-cluster HTTP Gitea fixtures, keeping the public chart and installer defaults secure.
Type of Change
Testing
Local validation:
task fmttask generatetask manifeststask vettask linttask testdocker infotask clean-cluster && docker info >/dev/null && task test-e2e— 85 passed, 0 failed, 23 skippedtask test-e2e-quickstart-helm— 1 passed, 0 failed, 107 skippedtask test-e2e-quickstart-manifest— 1 passed, 0 failed, 107 skippedCI validation:
54236a66.Checklist
Related Issues
None.
Screenshots (if applicable)
Not applicable.
Additional Notes
CodeRabbit's first-round feedback has been addressed: the design doc now calls the preflight guarantee snapshot-relative, scoped GitPathAccepted status updates are atomic, and credentialed plain HTTP Git remotes require an explicit insecure opt-in while authenticated HTTP redirects stay pinned to go-git's initial-only redirect policy. The latest CodeRabbit check was rate-limited and did not publish a second review.