DEX - Docker EXporter for prometheus

Simple lightweight prometheus exporter. Runs as docker container on all architectures. Exports container state (running or not), current cpu and memory utilization, network and block I/O stats.

Currently exposed metrics

• dex_block_io_read_bytes_total
• dex_block_io_write_bytes_total
• dex_container_exited
• dex_container_restarting
• dex_container_restarts_total
• dex_container_running
• dex_cpu_utilization_percent
• dex_cpu_utilization_seconds_total
• dex_memory_total_bytes
• dex_memory_usage_bytes
• dex_memory_utilization_percent
• dex_network_rx_bytes_total
• dex_network_tx_bytes_total
• dex_pids_current

Run with docker

Start docker container with following docker-compose.yml:

version: '2.1'
services:
   dex:
      image: spx01/dex
      container_name: dex
      volumes:
         - /var/run/docker.sock:/var/run/docker.sock
      ports:
         - 8386:8080
      restart: always

Test with curl

$ curl localhost:8386/metrics

Grafana dashboard

Grafana 7

Example grafana7 dashboard definition as JSON .

Grafana 8

Another dashboard for Grafana 8 (thanks @scMarkus !!!) as JSON

Modification (thanks @GitSchorsch) with additional job filter as JSON