gistfile1.yml

coreos:
  units:
    - name: dd-agent.service
      command: start
      content: |
        [Unit]
        Description=Datadog Agent
        Author=CoreOS
        After=docker.service

        [Service]
        Restart=always
        ExecStart=docker run --privileged --name ddagent \
        -h `hostname` -e API_KEY=`etcdctl get ddapikey` datadog/docker-dd-agent
        ExecStop=/usr/bin/docker stop -t 2 ddagent