Prometheus

Prometheus.md

Collect metrics from Docker Host:

docker run -d -p 9104:9104 -v /sys/fs/cgroup:/cgroup -v /var/run/docker.sock:/var/run/docker.sock prom/container-exporter

Server:

docker run -d --name prometheus-server -p 9093:9090 -v $PWD/prometheus.conf:/prometheus.conf prom/prometheus -config.file=/prometheus.conf
cat prometheus.conf
global:
  scrape_interval: 15s
  evaluation_interval: 15s
  labels:
    monitor: exporter-metrics

rule_files:

scrape_configs:
- job_name: prometheus
  scrape_interval: 5s

  static_configs:
    # These endpoints are scraped via HTTP.
    - targets: ['localhost:9090']
      labels:
          group: 'prometh'


- job_name: vp-ext127
  scrape_interval: 5s

  static_configs:
    # These endpoints are scraped via HTTP.
    - targets: ['10.120.167.127:9104']
      labels:
          group: 'vp-ext127'

Query: rate(prometheus_local_storage_chunk_ops_total[1m])

Dashboard:

docker run -p 3306:3306 --name promdash-mysql      \
   -e MYSQL_DATABASE=promdash-db                   \
   -e MYSQL_USER=prometheus \
   -e MYSQL_PASSWORD=prometh3us \
   -e MYSQL_ROOT_PASSWORD=fr332try \
   -d mysql


# Initialize Database
docker run --rm -it --link promdash-mysql:db -e DATABASE_URL=mysql2://prometheus:prometh3us@db:3306/promdash-db prom/promdash ./bin/rake db:migrate

# Run Dashboard
docker run -d --link promdash-mysql:db -p 3000:3000 --name prometheus-dash -e DATABASE_URL=mysql2://prometheus:prometh3us@db:3306/promdash-db prom/promdash

Reference:

• https://github.com/prometheus/docs/blob/master/content/docs/introduction/getting_started.md
• http://rancher.com/docker-monitoring-continued-prometheus-and-sysdig/