81e454d86d08f3cf8f09a6f0c721363ffca6bbde
5 Commits
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 Trey t
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c9ac273dbd |
docs: capture latency optimizations + new caching invariants
Shipping commit
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Trey t
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9410da7497 |
docs/ch15: mark distributed tracing fully integrated
Every authed API endpoint now produces a nested flame graph (HTTP → auth → service → SQL). Replaces the in-flight section with the final span-source matrix and a sample 5-span /api/tasks/ trace. Notes the visible Hetzner→Neon transatlantic RTT as the perf bottleneck the flame graph surfaced. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Trey t
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bc3da007db |
Wire OpenTelemetry tracing — HTTP, B2, APNs, FCM, asynq, GORM (partial)
Step 1 — OTel SDK: cmd/api and cmd/worker initialize a tracer provider that exports OTLP/HTTP to obs.88oakapps.com (Jaeger all-in-one). Sampling is AlwaysSample in dev (DEBUG=true) and TraceIDRatioBased(0.1) in prod, overridable via OTEL_TRACES_SAMPLER_ARG. Service names are honeydue-api and honeydue-worker. otelecho.Middleware opens a span per HTTP request. Step 2 — Manual spans: storage_service.Upload now takes ctx and emits storage.upload + b2.PutObject spans (size_bytes, key, mime_type, bucket, result attrs). APNs Send/SendWithCategory and FCM sendOne emit per-token spans with topic, status_code, reason. Asynq middleware emits asynq.handle:<task_type> per job with retry/payload attrs and records asynq_job_duration_seconds. Step 3 — Database: otelgorm plugin registered in database.Connect, so any SQL emitted via db.WithContext(ctx) attaches to the request span. Every repository now exposes WithContext(ctx) *XRepository as the migration helper. TaskService.ListTasks and GetTasksByResidence are migrated end-to-end (ctx threaded through handler → service → repo); remaining services adopt the same pattern incrementally — pre-migration methods still emit untraced SQL via the unchanged db field. OBS_TRACES_URL and OBS_INGEST_TOKEN flow from deploy/prod.env → honeydue-secrets → api+worker Deployments via secretKeyRef (optional). 02-setup-secrets.sh sources them from prod.env on next run; manifests mark both env vars optional so the deployment rolls without traces if the secret is absent. ch15 observability doc now lists what produces spans today vs the remaining migration work, with the explicit per-method pattern. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Trey t
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77cfcc0b27 |
docs: rewrite ch15 observability + cross-refs for the live obs stack
ch15 is now an account of what's actually running, not a roadmap for what we'd add: VictoriaMetrics + Jaeger + Grafana on 88oakappsUpdate fronted by Cloudflare and bearer-gated nginx, vmagent in-cluster, the internal/prom histogram set, the rollout's NetworkPolicy footprint, the obs.88oakapps.com endpoint shape, the ~$0/700MB resource budget, and a token-rotation runbook. The "what we still don't have" section keeps log aggregation, alerting, and full distributed tracing as the honest gap list. Other touched docs: - 00-overview: \"deliberately absent\" no longer claims we have no metrics — calls out the cross-cluster shape instead. - 14-deployment-process: TL;DR now points at deploy-k3s/scripts/03-deploy.sh (full build + push + apply + obs vmagent), with the manual kubectl-set-image flow kept as the single-service path. Notes the IfNotPresent gotcha that bit us during the rollout. - 16-failure-modes: adds vmagent-can't-reach-obs and Grafana-no-data. - 18-cost: $0 line item for the obs stack on 88oakappsUpdate, with the CX32 migration trigger. - 17/18 README + appendix b: link the new ch15, add the obs cheat sheet block. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Trey t
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6f303dbbaa |
Migrate prod deploy from Swarm to K3s; add full deployment book
Infrastructure:
- Stack now runs on K3s v1.34.6 HA (3 Hetzner CX33 nodes as managers)
- Traefik DaemonSet + hostNetwork replaces Caddy + ingress mesh
- All manifests in deploy-k3s/manifests/; Swarm config (deploy/) kept
temporarily for reference
Bug fixes surfaced during migration:
- Dockerfile: golang:1.24-alpine -> 1.25-alpine (go.mod requires 1.25)
- cache_service.go: remove sync.Once reassignment from inside Do()
callback (was causing 'unlock of unlocked mutex' fatal after
Redis Ping failure)
- router.go: relax CSP from 'default-src none' to 'default-src self'
+ allowlist fonts.googleapis.com so the marketing landing page CSS
actually loads in browsers
- deploy/scripts/deploy_prod.sh: use docker buildx with
--platform linux/amd64 so arm64 (Apple Silicon) dev machines produce
images runnable on x86_64 Hetzner nodes; fix array expansion under
set -u
- deploy/swarm-stack.prod.yml: fix secret source references to use
top-level aliases (the '\${X_SECRET}' form never actually resolved);
dozzle ports: long-form host_ip is rejected by Swarm, switched to
short-form (bound to 0.0.0.0 with UFW-based loopback restriction);
worker replicas 2 -> 1 (Asynq scheduler singleton)
- deploy-k3s/manifests/admin/deployment.yaml: probe path '/admin/' -> '/'
(Next.js serves at root; /admin/ returned 404 and killed pods);
startupProbe failureThreshold 12 -> 24
- deploy-k3s/manifests/pod-disruption-budgets.yaml: worker minAvailable
1 -> 0 (singleton)
- deploy-k3s/manifests/api/deployment.yaml: startupProbe failureThreshold
12 -> 48 (MigrateWithLock serializes across 3 replicas on first-boot;
real startup takes up to 240s)
- .gitignore: tighten 'api' -> '/api' (was matching deploy-k3s/manifests/api/
and admin/src/app/api/*, hiding legitimate files)
New files:
- deploy-k3s/manifests/traefik-helmchartconfig.yaml: DaemonSet +
hostNetwork override for k3s-bundled Traefik
- deploy-k3s/manifests/ingress/ingress-simple.yaml: plain Ingress
without TLS (CF Flexible SSL) and without middleware
- deploy-k3s/MIGRATION_NOTES.md: operator-facing migration log
Documentation:
- docs/deployment/ — full deployment book, 26 files, ~42k words:
- Part I Overview, infrastructure, orchestrator choice (Ch 0-2)
- Part II Networking, firewall, Cloudflare (Ch 3-4, 13)
- Part III Security, Traefik ingress (Ch 5-6)
- Part IV Services, DB, storage, secrets, registry (Ch 7-11)
- Part V Data flow, deploy process, observability, failures, runbook
(Ch 12, 14-17)
- Part VI Cost, Swarm postmortem, roadmap (Ch 18-20)
- Appendices: glossary, kubectl cheat sheet, file locations,
consolidated citations
- README.md: Production Deployment section replaced with pointer to
the book; Go version bumped to 1.25
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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