elb-instance-status/elb-instance-status.yml

---

root_free_inodes:
  name: Ensure there are at least 30% free inodes on /
  command: test $(df -i | grep "/$" | xargs | cut -d ' ' -f 5 | sed "s/%//") -lt 70
 
docker_free_inodes:
  name: Ensure there are at least 30% free inodes on /var/lib/docker
  command: test $(df -i | grep "/var/lib/docker$" | xargs | cut -d ' ' -f 5 | sed "s/%//") -lt 70
 
docker_free_diskspace:
  name: Ensure there is at least 30% free disk space on /var/lib/docker
  command: test $(df | grep "/var/lib/docker$" | xargs | cut -d ' ' -f 5 | sed "s/%//") -lt 70
 
docker_mounted:
  name: Ensure volume on /var/lib/docker is mounted
  command: mount | grep -q /var/lib/docker
 
docker_start_container:
  name: Ensure docker can start a small container
  command: docker run --rm alpine /bin/sh -c "echo testing123" | grep -q testing123