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Wire GET/HEAD /health on Cloudflare API workers via createHono, with a critical Postgres probe (skipped when DB bindings are absent) and Capgo version metadata. Keeps legacy /ok unchanged. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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📝 WalkthroughWalkthroughThe change adds OpenStatus health probes and ChangesOpenStatus health integration
Priority: ⚪ Not assessed Estimated code review effort: 4 (Complex) | ~45 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant Client
participant Worker
participant HealthResponder
participant Postgres
Client->>Worker: GET /health
Worker->>HealthResponder: Resolve health response
HealthResponder->>Postgres: SELECT 1
Postgres-->>HealthResponder: Return database probe result
HealthResponder-->>Worker: Build OpenStatus report
Worker-->>Client: Return health response
Merge Risk: 🟡 Moderate · up to Timed-out queue or replication health checks can return a later successful result rather than the required legacy failure fallback. Snapshot the selected assessment before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Review the following changes in direct dependencies. Learn more about Socket for GitHub.
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Merging this PR will not alter performance
Comparing 
Footnotes
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Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Inline comments:
In `@supabase/functions/_backend/utils/capgo_health.ts`:
- Around line 50-52: Update the health probe around the abort listener and
pingDatabase flow to ensure an in-flight PostgreSQL query is cancelled or its
checked-out client is destroyed before the 2500 ms health deadline; do not rely
on pool.end() while the query remains active. Configure a query timeout below
the deadline or use the checked-out client’s cancellation/destruction path, and
add coverage for a query that never resolves.
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package.jsonsupabase/functions/_backend/utils/capgo_health.tssupabase/functions/_backend/utils/hono.tssupabase/functions/deno.jsontests/health-endpoint.unit.test.tstests/ok.test.ts
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Wire worker/database, queue, replication, translation, aliproxy, and legacy /ok liveness paths through shared capgo_health helpers; refresh plugin worker size baseline for plugin /health. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Destroy checked-out pg client on OpenStatus probe abort via release(true) and statement_timeout. Sync plugin_runtime copy. Add pingDatabase unit tests and docstrings for exported health helpers. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Actionable comments posted: 4
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Inline comments:
In `@aliproxy/index.js`:
- Line 22: Update the Alibaba artifact packaging around
aliproxyHealthHandlerPromise so the dynamically imported `@openstatus/health`
module is available at deployment time; declare `@openstatus/health` as a
dependency in aliproxy/package.json or bundle it, preserving the existing
/health handler behavior.
In `@supabase/functions/_backend/plugin_runtime/utils/capgo_health.ts`:
- Around line 134-135: Update the URL-resolution catch in capgo_health.ts at
supabase/functions/_backend/plugin_runtime/utils/capgo_health.ts:134-135 and
supabase/functions/_backend/utils/capgo_health.ts:134-135 to return a failed
critical database probe instead of skippedDatabaseResponder().toResponse.
Preserve the existing response handling outside these catch blocks.
In `@supabase/functions/_backend/public/queue_health.ts`:
- Line 522: Move getPgClient(c, false) and buildQueueHealthAssessment into the
route’s existing try block so configuration, pool-creation, and assessment
failures use the legacy queue_health_error response. Keep pgClient declared in
outer scope for cleanup, and guard its close/release operation so cleanup is
safe when client creation fails.
In `@tests/health-endpoint.unit.test.ts`:
- Line 35: Update the health endpoint test assertion to verify the plugin HTTP
status based on response.body.status: expect 503 when it is "unhealthy" and 200
for "ok" or "degraded", replacing the broad status-range check while preserving
the existing response-body assertions.
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aliproxy/index.jscloudflare_workers/translation/index.tsscripts/bench/plugin_worker_size_baseline.jsonsupabase/functions/_backend/plugin_runtime/public/ok.tssupabase/functions/_backend/plugin_runtime/utils/capgo_health.tssupabase/functions/_backend/plugin_runtime/utils/hono.tssupabase/functions/_backend/public/ok.tssupabase/functions/_backend/public/queue_health.tssupabase/functions/_backend/public/replication.tssupabase/functions/_backend/triggers/queue_consumer.tssupabase/functions/_backend/utils/capgo_health.tssupabase/functions/_backend/utils/hono.tstests/health-endpoint.unit.test.ts
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- Declare @openstatus/health in aliproxy package for deploy resolution - Fail critical database probe when URL resolution throws - Run queue_health PG client and assessment inside route try - Assert plugin /health HTTP status matches OpenStatus body status Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Inline comments:
In `@supabase/functions/_backend/plugin_runtime/utils/capgo_health.ts`:
- Around line 59-60: Update both pingDatabase implementations to establish
abort-aware setup before pool.connect(), ensuring connection acquisition and the
initial SET statement complete within a deadline below 2500 ms. When setup is
aborted, destroy the client or pool and propagate the abort; preserve existing
cleanup and health-check behavior after successful setup.
In `@supabase/functions/_backend/public/queue_health.ts`:
- Line 527: Move the buildQueueHealthAssessment call from app.get('/') into
runAssessment so it executes within the responder’s 10-second health deadline.
Catch errors inside runAssessment and return the existing queue_health_error
assessment, preserving the responder’s legacy error-body behavior when
assessment is assigned.
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Race pool.connect/SET/SELECT against OpenStatus abort; cap connect at 2s. Run buildQueueHealthAssessment inside runAssessment with legacy error fallback. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Admin routes keep Capgo status and legacy payload for monitors; OpenStatus probe deadline only. Additive checkedAt/checks/latencyMs when present. Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Co-authored-by: Martin DONADIEU <martindonadieu@gmail.com>
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Inline comments:
In `@supabase/functions/_backend/utils/capgo_health.ts`:
- Around line 251-252: Update both respondOpenStatusAdminCheck implementations
to handle a deadline timeout where runAssessment leaves assessment undefined:
use the queue error assessment for queue health and the legacy HTTP 500
replication error assessment for replication, returning each caller’s legacy
status: "ko" body and assessment-specific status instead of the OpenStatus
timeout response.
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Inline comments:
In `@supabase/functions/_backend/plugin_runtime/utils/capgo_health.ts`:
- Line 254: Update respondOpenStatusAdminCheck in both implementations to
snapshot the deadline fallback assessment into a final assessment before
awaiting response.clone().json(), preventing late runAssessment completion from
changing the returned result. Use finalAssessment.httpStatus for both
response-return paths while preserving the fallback body behavior.
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Unique to the
Each probe constructs a new
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Two unique notes: GET /ok is on the plugin updater hot path and should stay a no-work 200; skipped critical database probes can mark workers without Postgres as unhealthy.
| app.get('/', async (c) => { | ||
| await runCapgoWorkerLivenessProbe() |
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Plugin clients hit GET /ok as a cheap liveness ping on the updater hot path. This now awaits runCapgoWorkerLivenessProbe() (runProbes, timeoutMs: 1000) on every request.
POST /ok already runs the same probe. Adding it here turns a previously empty GET handler into a 0–1000ms wait before { status: 'ok' }. Under probe timeout or a slow isolate, updaters will treat the worker as down and skip the update check.
Keep GET /ok as the original no-work 200, and leave the probe on GET /health / POST /ok.
| critical: true, | ||
| skip: () => true, |
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skippedDatabaseResponder marks database as critical: true and skip: () => true.
OpenStatus treats a skipped critical probe as not-ok in some versions, so workers without Postgres env (translation-adjacent, misconfigured isolate, local) can report unhealthy / degraded even though the worker probe passed and there is no database to check.
If skip means "not configured", the probe should be critical: false, or hasDatabaseConfig should not take this branch.
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Summary (AI generated)
@openstatus/health@0.1.1across Cloudflare API/files/plugin workers, SupabasecreateHonoshells, admin probes, queue consumer, translation worker, and Alibabaaliproxy.GET /health: OpenStatus shape (ok/degraded/unhealthy) with worker + critical database (abort-safepingDatabase, URL resolution failures → unhealthy).POST /ok+GET|POST /ok: worker liveness; legacy JSON unchanged.GET /queue_health/GET /replication: legacy Capgo JSON unchanged — top-levelstatusremainsok|ko(optional additive OpenStatus fieldscheckedAt,checks,latencyMsonly).aliproxy:@openstatus/healthinaliproxy/package.json+GET /health.Motivation (AI generated)
Uniform health semantics for operators and load balancers on
/health, without breaking existing monitors on queue and replication routes.Business Impact (AI generated)
One health model for API, plugin regions, queues, replication, translation, and CN proxy; monitoring contracts on
/queue_healthand/replicationstay stable.Test Plan (AI generated)
tests/capgo-health.unit.test.ts,tests/capgo-admin-health.unit.test.ts,tests/health-endpoint.unit.test.ts,tests/ok.test.tsbun run typecheck:backend,bun run check:plugin-runtime812dce3b2(backend, Cloudflare, CLI, Playwright, published CLI contract)Generated with AI
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@codesmith-botwith what you need. Autofix is disabled.Summary by CodeRabbit
New Features
/healthendpoints with GET and HEAD support across backend, plugin, translation, and proxy services.Tests