P2 infra: enforce unified JSON log with trace_id

[SlavaKuntsov]

Phase / Priority / Area

Phase 14 · Priority P2 · Area infra

Зависимости

Blocked by: #10

Scope

services/auth/src/core/logging.py, services/gateway/cmd/server/main.go:35, services/metadata, services/upload (zerolog)

Goal

Единый JSON лог с trace_id.

Acceptance Criteria

• Все сервисы JSON prod, поле trace_id=request_id, level/msg/service консистентны

Проверки

docker logs gateway | jq наличие trace_id

[SlavaKuntsov]

Pull request opened

#39 — will auto-close via Closes #15 on merge.

Verification

• make lint-go — 0 issues
• make lint-py — success
• make lint-front — ok
• make test-go/test-py — pass
• make up --build -d — all Healthy (prometheus, loki, grafana)
• make e2e — PASS
• curl -H X-Request-ID:test123 → logs contain trace_id; Loki query {service="gateway"} |= "test123" — success

Remaining risks

• Loki allow_structured_metadata false (v11), Promtail docker.sock, rabbitmq_queue_depth Gauge 0 — см. PR Risks