rancher cleanup script

cleanup.sh

#!/bin/bash
user=$EUID
if [ "${user}" != "0" ]; then
  echo
  echo "$0 must be run as root - you are running as $EUID"
  echo
  exit 1
fi
echo
echo "About to destroy Rancher 2.x install"
echo "5s to cancel with ^c"
echo
sleep 5

containers=$(docker ps -aq)
if [ "${containers}x" != "x" ]
then
  docker rm -f $(docker ps -qa)
else
  echo "No running containers - ignoring docker rm"
fi

images=$(docker images -aq)
if [ "${images}x" != "x" ]
then
  docker rmi $(docker images -aq)
else
  echo "No images - ignoring docker rmi"
fi

docker volume prune -f


for mount in $(mount | grep tmpfs | grep kubelet | awk '{print $3}'); do
  echo "unmounting $mount"
  umount $mount
done

cleanupdirs="/var/lib/etcd /etc/kubernetes /etc/cni /opt/cni /var/lib/cni /var/run/calico /opt/rke /opt/rancher /var/lib/rook /etc/ceph"
for dir in $cleanupdirs; do
  echo "Removing $dir"
  rm -rf $dir
done