guilhermerodrigues680 / cadvisor-prometheus-docker-compose

Monitorando Docker com cAdvisor, Prometheus e Grafana

Todos serviços necessários configurados no Docker Compose, permitindo o inicio das métricas com um único comando.

Executando

# execute em segundo plano no terminal
$ docker-compose up -d
# ou execute em primeiro plano no terminal
$ docker-compose up

Credenciais

Grafana

user	password
admin	admin

Métricas

• cadvisor - prometheus.md

Scrape Interval

Configure o Scrape Interval do Prometheus no arquivo prometheus.yml, lembre-se também de atualizar nas configurações Data Sources / Prometheus do Grafana este novo Scrape Interval.

OBS: Quanto menor o Scrape Interval maior o consumo de processamento.

Referências

Referências

https://prometheus.io/docs/guides/cadvisor/

https://stackoverflow.com/questions/40327062/how-to-calculate-containers-cpu-usage-in-kubernetes-with-prometheus-as-monitori

https://stackoverflow.com/questions/58895929/how-to-calculate-percentage-of-specific-pod-cpu-usage-on-each-node

MAC

https://gitmemory.com/issue/google/cadvisor/1565/742351042

https://medium.com/@karthi.net/use-google-cadvisor-for-monitoring-your-containers-docker-tutorial-eebbe4ee82da

Grafana

https://grafana.com/grafana/dashboards/893

https://medium.com/@mertcan.simsek276/docker-monitoring-with-cadvisor-prometheus-and-grafana-adefe1202bf8

http://localhost:9090/graph?g0.expr=rate(container_cpu_usage_seconds_total%7Bname%3D%22elastic_euclid%22%7D%5B1m%5D)&g0.tab=0&g0.stacked=0&g0.range_input=5m&g1.expr=sum%20(rate%20(container_cpu_usage_seconds_total%7Bname%3D~%22ela.*%22%7D%5B1m%5D))%20%2F%20sum%20(machine_cpu_cores%7B%7D)%20*%20100&g1.tab=0&g1.stacked=0&g1.range_input=15m&g2.expr=sum(rate(container_cpu_usage_seconds_total%7Bname%3D%22elastic_euclid%22%7D%5B1m%5D))&g2.tab=0&g2.stacked=0&g2.range_input=15m&g3.expr=sum(rate(container_cpu_usage_seconds_total%5B1m%5D))%20by%20(name)&g3.tab=0&g3.stacked=0&g3.range_input=1h&g4.expr=container_memory_usage_bytes%7Bid%3D~%22%2Fdocker%2F.*%22%7D&g4.tab=0&g4.stacked=0&g4.range_input=1h

rate(container_cpu_usage_seconds_total{name="elastic_euclid"}[1m]) sum (rate (container_cpu_usage_seconds_total{name="ela.*"}[1m])) / sum (machine_cpu_cores{}) * 100 sum(rate(container_cpu_usage_seconds_total[1m])) by (name) container_memory_usage_bytes{id="/docker/.*"}

sum(rate(container_cpu_usage_seconds_total{id=~"/docker/.*"}[1m])) by (name)

https://grafana.com/docs/grafana/latest/datasources/prometheus/

https://github.com/vegasbrianc/prometheus

https://grafana.com/grafana/dashboards/193

https://www.metricfire.com/blog/top-10-cadvisor-metrics-for-prometheus/

https://github.com/stefanprodan/dockprom