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@@ -118,6 +118,7 @@ groups:
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| Prometheus | Pull-based, time-series DB, silný query language (PromQL) |
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| Grafana | Vizualizace, dashboardy, alerting |
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| Zabbix | Enterprise monitoring, agent + agentless (SNMP/IPMI/JMX), auto-discovery, trigger-based alerting |
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| Datadog | SaaS, APM, logs, metrics v jednom |
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| New Relic | APM, browser monitoring |
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| CloudWatch | AWS nativní |
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@@ -464,6 +465,36 @@ Open-source, real-time monitoring platform pro celou infrastrukturu:
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- **Netdata Cloud**: free tier (5 node), paid od $12/node/měsíc
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- **Licencování**: agent GPLv3+, dashboard NCUL1, cloud closed-source
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## OpenStack Monitoring
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OpenStack poskytuje několik služeb pro telemetrii a monitoring:
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### Ceilometer (Telemetry)
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- Sběr metrik (CPU, memory, network, storage) z compute, network a storage uzlů
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- Publikování do Gnocchi (time-series DB) nebo Panko (event storage)
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- Notifikace přes oslo.messaging (RabbitMQ) — pipeline transformations
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- Alarming: Aodh — threshold-based alarmy, kombinace metrik
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### Monasca
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- Modernější alternativa k Ceilometer (vyvíjen primárně pro telco use cases)
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- Architektura: Monasca API → Log API → Transform → Threshold Engine → Notifier
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- Backend: InfluxDB/Gnocchi, Kafka, Elasticsearch
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- Podporuje alarmování, notifikace, grafové dashboardy
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### Prometheus + OpenStack Exporter
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- OpenStack-exporter pro Prometheus (exportuje metriky z Ceilometer / API)
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- Service discovery přes Prometheus
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- Grafana dashboardy pro vizualizaci
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### Masakari (VM High Availability)
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- Detekce a automatické zotavení VM při selhání hypervisoru (host failure)
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- Evacuation instance na zdravý compute node
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- Integrace s Pacemaker pro cluster management
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## Zdroje
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Odkazy, knihy a standardy: [sources/monitoring/sources.md](sources/monitoring/sources.md)
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