autodock based Docker Compose for Sensu monitoring

check-docker.json

{
  "checks": {
    "load_docker_metrics": {
      "type": "metric",
      "command": "load-docker-metrics.sh",
      "subscribers": [
        "docker"
      ],
      "interval": 10
    }
  }
}

docker-compose.yml

autodock:
    image: prologic/autodock
    ports:
        - "1338:1338/udp"
        - "1338:1338/tcp"
    volumes:
        - /var/run/docker.sock:/var/run/docker.sock
    restart: always

autodockhipache:
    image: prologic/autodock-hipache
    links:
        - autodock
        - hipache:redis
    restart: always

sensu:
    image: hiroakis/docker-sensu-server
    ports:
        - "3000:3000"
        - "4567:4567"
        - "5671:5671"
        - "15672:15672"
    volumes:
        - /home/prologic/etc/sensu/check-docker.json:/etc/sensu/conf.d/check-docker.json
    environment:
        - PORT=3000
        - VIRTUALHOST=sensu.vz1.bne.shortcircuit.net.au
    restart: always
        
sensuclient:
    image: prologic/docker-sensu-client
    privileged: true
    volumes:
        - /home/prologic/etc/sensu/plugins/load-docker-metrics.sh:/etc/sensu/plugins/load-docker-metrics.sh
        - /var/run/docker.sock:/var/run/docker.sock
    environment:
        - HOSTNAME=daisy
    command: 10.0.0.2 sensu password daisy 10.0.0.2
    restart: always

hipache:
    image: hipache:0.2.8
    ports:
        - "80:80"
        - "443:443"
    restart: always

load-docker-metrics.sh

#!/bin/bash

set -e

# Count all running containers
running_containers=$(echo -e "GET /containers/json HTTP/1.0\r\n" | nc -U /var/run/docker.sock \
    | tail -n +5                                                           \
    | python -m json.tool                                                  \
    | grep \"Id\"                                                          \
    | wc -l)

# Count all containers
total_containers=$(echo -e "GET /containers/json?all=1 HTTP/1.0\r\n" | nc -U /var/run/docker.sock \
 | tail -n +5 \
 | python -m json.tool \
 | grep \"Id\" \
 | wc -l)

# Count all images
total_images=$(echo -e "GET /images/json HTTP/1.0\r\n" | nc -U /var/run/docker.sock \
 | tail -n +5 \
 | python -m json.tool \
 | grep \"Id\" \
 | wc -l)

HOSTNAME=${HOSTNAME:-$(hostname)}

echo "docker.${HOSTNAME}.running_containers ${running_containers}"
echo "docker.${HOSTNAME}.total_containers ${total_containers}"
echo "docker.${HOSTNAME}.total_images ${total_images}"

Based on what I learned from: http://rancher.com/comparing-monitoring-options-for-docker-deployments/

This also uses a modified docker-sensu-client Docker image