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Mark Phases 3 and 4 done, and start Phase 5

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Phase 4 records what was built, the two skipped Build steps (OTLP-logs
experiment, LogQL test migration) and what carries forward. Phase 3
records its outcome, with the chaos-nightmare and blocking_event_loop
criteria attested by the user.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Movses Aslanyan
2026-10-13 21:32:43 +03:30
co-authored by Claude Opus 5.5
parent 2c18962243
commit 44d7801617
4 changed files with 60 additions and 15 deletions
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docs/roadmap/summary.md
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@@ -18,9 +18,9 @@ warnings), **Time-box**, **Concepts**, **Resources**, **Build**, **Done when**.
| 0b | [`phase-0.md`](phase-0.md) | Done | Base project implemented to green (second agent) | 1–2 evenings | Ledgerline running, list of frustrations |
| 1 | [`phase-1.md`](phase-1.md) | Done | Deployment: Compose + Traefik on a server | 1 evening | `https://ledgerline.vione.cloud` |
| 2 | [`phase-2.md`](phase-2.md) | Done | Concepts + first trace | 1 evening | One trace in Tempo |
| 3 | [`phase-3.md`](phase-3.md) | In progress | Distributed tracing | 2–3 evenings | Connected trace across 7 services incl. the async hop |
| 4 | [`phase-4.md`](phase-4.md) | Not started | Structured logs | 1–2 evenings | Two-way trace↔log correlation |
| 5 | [`phase-5.md`](phase-5.md) | Not started | Metrics | 2 evenings | RED per service, service map, exemplars |
| 3 | [`phase-3.md`](phase-3.md) | Done | Distributed tracing | 2–3 evenings | Connected trace across 7 services incl. the async hop |
| 4 | [`phase-4.md`](phase-4.md) | Done | Structured logs | 1–2 evenings | Two-way trace↔log correlation |
| 5 | [`phase-5.md`](phase-5.md) | In progress | Metrics | 2 evenings | RED per service, service map, exemplars |
| 6 | [`phase-6.md`](phase-6.md) | Not started | Dashboards as code | 2 evenings | `kubectl apply -k k8s/` restores all dashboards |
| 7 | [`phase-7.md`](phase-7.md) | Not started | k6 + percentiles | 1–2 evenings | Baseline vs degraded load profiles |
| 8 | [`phase-8.md`](phase-8.md) | Not started | SLO / error budget / RTO / RPO | 1–2 evenings | `docs/SLO.md` + burn-rate alerts |
@@ -43,10 +43,12 @@ warnings), **Time-box**, **Concepts**, **Resources**, **Build**, **Done when**.
`phase-2.md` for what carries forward.
- **3 — Distributed tracing.** The heart of the task: auto- and
manual-instrument all seven services, and hand-propagate trace context
across the Redis Stream hop, which carries none by default.
across the Redis Stream hop, which carries none by default. **Done** — see
`phase-3.md`.
- **4 — Structured logs, correlated to traces.** Replace prose logging with
structured events carrying a lowercase `trace_id`, so Loki and Tempo link
in both directions.
in both directions. **Done** — see `phase-4.md` (OTLP-logs experiment and the
LogQL test migration skipped).
- **5 — Metrics.** Instrument RED metrics per service, understand cardinality
limits, and route app metrics to Prometheus given Alloy rejects OTLP metrics
(404 on `/v1/metrics`). Tempo's metrics-generator already produces span metrics and the