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sencho/backend
Anso da905ab07c refactor(gitops): split source acceptance from Direct target application (#1892)
* refactor(gitops): split source acceptance from Direct target application

applied() bound source acceptance and Direct target application in one
mutation, so a future dispatch path could not accept a candidate and defer
binding a target until after promotion. Extract the mode-neutral and
Direct-only mutations into shared helpers, and expose them as sourceAccepted
and targetApplied. applied() now composes the same helpers in the same
transaction and emits the same single history row, so its observable
contract is unchanged.

targetApplied refuses to bind a target to a generation the application has
not accepted, so a target can never be bound to source content nothing
authorized.

* fix(gitops): move apply's cache invalidation and post-deploy scan into the service

invalidateNodeCaches and triggerPostDeployScan were called by the manual
apply route only, so a webhook-driven apply (and any future poll, retry, or
resume trigger) never invalidated caches or ran a post-deploy scan.

Move both into GitSourceService.apply() itself: cache invalidation fires
once whenever promotion commits, apply-only and deploy-failed outcomes
included, since the authoritative Compose files have already changed by
then regardless of whether a deploy followed; the post-deploy scan still
fires only after a successful deploy. Remove the now-redundant calls from
the apply route so each still runs exactly once.

* feat(gitops): add tri-state candidate policy evaluation

The deploy-time policy gate deliberately fails open (ok: true, trivyMissing:
true) when the scanner is unavailable, so an operator is never blocked from
deploying. That fail-open behavior must not extend to automatic GitOps
source acceptance: an unresolvable scanner state accepting a candidate
nothing actually proved safe would defeat the policy gate entirely.

Add evaluateCandidatePolicy, a thin tri-state (allowed | blocked |
unavailable) wrapper around the existing enforcePolicyForImageRefs
evaluator. It takes the candidate's own image refs directly rather than
reading compose from disk, so a future caller evaluating a staged
candidate (before it is promoted to the live stack) can reuse the same
policy logic the deploy gate already uses.

* feat(gitops): propagate the raw transport failure reason onto GitSourceError

The native transport catch block classified a raw TransportFailure into a
sanitized (code, message) pair for GitSourceError, discarding the
structured reason (e.g. exit, timeout, target-unresolved) once it had been
logged. A future GitOps retry/backoff classifier needs more than the public
error code to tell a transient network condition from a permanent
configuration one, since several distinct reasons collapse onto the same
code (both a DNS failure and a connection reset map to NETWORK_TIMEOUT, and
several permanent conditions map to GIT_ERROR).

Add transportReason to GitSourceError.extras, carrying the original reason
through both throw sites.

* fix(gitops): give source suspension its own reason field

sourceSuspended and sourceUnsuspended wrote and cleared pause_reason, the
same column rolloutPaused and rolloutUnpaused use on the application row.
Suspending a source and later pausing its rollout (or the reverse) would
silently overwrite whichever reason was written first, since both events
share the row but were sharing one field for two unrelated concerns.

Add a distinct source_suspended_reason column, move sourceSuspended and
sourceUnsuspended onto it, and surface it on the source_suspended
projection facet so a suspended source's reason is visible independently
of any rollout pause reason on the same application.

* feat(notifications): add a GitOps operation reference and dedupe key

notification_history had no way to link a notification back to the GitOps
history/operation it reports on, and no way to detect a duplicate: it has
only an autoincrement id and an unstructured message. A future GitOps
fanout repair (re-running after a crash between a settled attempt commit
and its notification) needs to be idempotent, which the table could not
support.

Add gitops_operation_id and dedupe_key columns, with a partial unique index
on dedupe_key so a second insert with the same key is a no-op returning the
existing row rather than a duplicate notification. Both columns are
optional and every existing caller is unaffected: omitting dedupe_key keeps
today's behavior exactly.

* feat(gitops): classify suspend/resume/retry as stack:edit for remote routing

An unclassified named-stack path fails closed with 403 on a remote node,
so a future suspend/resume/retry endpoint would be unreachable there until
its classification landed. Add the three suffix rules now, matching the
existing git-source/pull and git-source/apply entries, so remote and
scoped-permission routing already works correctly once those endpoints are
added.

* fix(gitops): address pre-commit review findings on the acceptance split

Code review found five substantive issues across the prior six commits:

- targetApplied took applicationId as a redundant positional parameter
  alongside AppliedArgs.applicationId, which every caller had to pass
  twice; the copy inside args was silently ignored. Drop the positional
  parameter.
- targetApplied had no target_mode guard, unlike applied()'s existing
  Direct-only check, so a Blueprint target could in principle be bound
  through it. Add the guard.
- The frontend's hand-written GitOps type mirror was not updated for the
  new suspendedReason field, which the file's own header warns is exactly
  the drift it does not detect on its own.
- The dedupe unique index's creation failure was silently swallowed, but
  unlike a pure performance index, this one is the ON CONFLICT target
  every notification write depends on; a missing index would break every
  notification in the product with no diagnostic. Log it.
- evaluateCandidatePolicy inherited the deploy-shaped default audit path
  from the evaluator it wraps, so a bypassed candidate evaluation would
  write an audit row claiming a deploy that never happened. Default the
  audit attribution to a candidate-evaluation path before delegating.

Also: removed a test fixture in git-source-routes.test.ts duplicating the
shared one in helpers/gitopsFixtures.ts, hoisted the repeated policy field
out of CandidatePolicyEvaluation's union, and removed an unnecessary any
cast.

* fix(gitops): close three safety gaps found in the pre-merge audit

An independent audit of PR #1892 found three release-blocking defects in
the source acceptance split, each reproducible against the existing test
suite:

- sourceAccepted() accepted a candidate while its source was suspended.
  applied() (preserved byte-identical, predating suspension) shares this
  gap, but the plan's own suspension guarantee is specifically for the new
  entry point, so the check is added to sourceAccepted() directly rather
  than the shared guard applied() also uses.

- evaluateCandidatePolicy() misclassified three safety cases: an image
  reference that failed validation was silently skipped and read as
  allowed; a scanner execution failure was treated as a genuine policy
  violation (blocked) rather than an inability to evaluate (unavailable);
  and an explicitly authorized bypass still returned unavailable when the
  scanner was absent, since that early-return path in the shared evaluator
  ignores the caller's bypass flag. Fixed by requesting fail-closed
  handling of invalid refs from the existing evaluator, distinguishing a
  genuine scanned violation from an evaluation failure by whether the
  violation carries an `error` field, and honoring bypass before returning
  unavailable.

- targetApplied() validated only that its generation was still the
  application's accepted one, not that the target's own candidate still
  matched it or that the supplied acceptance reference was the one actually
  recorded. A delayed dispatch of a since-superseded (but still accepted)
  generation could erase a newer candidate already staged on the target,
  and a caller could bind a target to a nonexistent acceptance reference.
  Both are now validated before mutation.

Also removed two explicit `any` callback parameters the audit flagged in
the new dedupe test, typing the array instead so inference covers them.
2026-09-03 01:27:21 +00:00
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