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feat(observability): Complete Issue #10 - Observability Stack ($280 USDT)#437

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zhaog100:feat/observability-stack-complete
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feat(observability): Complete Issue #10 - Observability Stack ($280 USDT)#437
zhaog100 wants to merge 1 commit intoillbnm:masterfrom
zhaog100:feat/observability-stack-complete

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@zhaog100 zhaog100 commented Apr 7, 2026

Summary

This PR implements the complete Observability Stack as requested in Issue #10.

Generated/reviewed with: claude-opus-4-6

Services Implemented

Core Monitoring

  • Prometheus (v2.54.1) - Metrics collection and alerting
  • Grafana (11.2.0) - Visualization and dashboards
  • Alertmanager (v0.27.0) - Alert routing and notifications

Log Management

  • Loki (3.2.0) - Log aggregation system
  • Promtail (3.2.0) - Log collection agent

Distributed Tracing

  • Tempo (2.6.0) - Distributed tracing backend (NEW)
    • Supports OTLP, Jaeger protocols
    • Integrated with Grafana for trace visualization

System Monitoring

  • Node Exporter (v1.8.2) - Host metrics collection
  • cAdvisor (v0.49.1) - Container metrics collection
  • Uptime Kuma (1.23.15) - Service availability monitoring (NEW)

Operations Management

  • Grafana OnCall (1.9.0) - On-call management and alert escalation (NEW)
    • PostgreSQL 16.4 database
    • Redis 7.4.0 cache
    • Support for Slack, Telegram, SMS notifications

Features

✅ Complete observability stack with metrics, logs, and traces
✅ Distributed tracing with Tempo
✅ Service uptime monitoring with Uptime Kuma
✅ On-call management with Grafana OnCall
✅ Traefik reverse proxy integration with HTTPS
✅ Authentik SSO integration for all web interfaces
✅ CN mirror alternatives for gcr.io images
✅ Comprehensive README with setup instructions
✅ Health checks for all services
✅ Proper data persistence with Docker volumes

Configuration Files

  • config/tempo/tempo-config.yml - Tempo configuration
  • config/grafana/provisioning/datasources/datasources.yml - Updated with Tempo datasource
  • config/prometheus/prometheus.yml - Updated to scrape new services
  • stacks/monitoring/.env.example - Environment variables template
  • stacks/monitoring/README.md - Comprehensive documentation

Testing

  • Docker Compose configuration validated
  • All service health checks configured
  • Traefik routing labels configured
  • Network connectivity verified

Access Points

Service URL
Grafana https://grafana.${DOMAIN}
Prometheus https://prometheus.${DOMAIN}
Alertmanager https://alertmanager.${DOMAIN}
Uptime Kuma https://uptime.${DOMAIN}
OnCall https://oncall.${DOMAIN}

Bounty

  • Amount: $280 USDT
  • Wallet: TMLkvEDrjvHEUbWYU1jfqyUKmbLNZkx6T1

Resolves #426
Implements #10

- Add Tempo for distributed tracing
- Add Uptime Kuma for service availability monitoring
- Add Grafana OnCall for on-call management
- Update Grafana datasources to include Tempo
- Update Prometheus config to scrape new services
- Add comprehensive README with setup instructions
- Update .env.example with new configuration options
- Add CN mirror alternative for cAdvisor image
- Add Traefik labels for Alertmanager web interface

Services implemented:
- Prometheus (metrics collection)
- Grafana (visualization)
- Loki (log aggregation)
- Promtail (log collection)
- Tempo (distributed tracing)
- Alertmanager (alert routing)
- cAdvisor (container metrics)
- Node Exporter (host metrics)
- Uptime Kuma (uptime monitoring)
- Grafana OnCall (on-call management)
- PostgreSQL + Redis (OnCall dependencies)

Bounty: $280 USDT
Wallet: TMLkvEDrjvHEUbWYU1jfqyUKmbLNZkx6T1
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