Docker ZFS removal solution

docker_zfs_removal.sh

# Docker solution for "removal of container X is already in progress"
# driver "zfs" failed to remove root filesystem: exit status 1: "/usr/sbin/zfs fs destroy -r rpool/"
# Based on https://github.com/moby/moby/issues/40132#issuecomment-570000174
docker ps -a | grep Removal | cut -f1 -d' ' | xargs -rt docker rm  2>&1 >/dev/null | grep "dataset does not exist" |  awk '{print $(NF-4)}' | sed "s/'//g" | cut -f1 -d':' |  xargs -L1 sh -c 'for arg do sudo zfs destroy -R "$arg"; sudo zfs destroy -R "$arg"-init ; sudo zfs create "$arg" ; sudo zfs create "$arg"-init ; ...; done' _ ; docker ps -a | grep Removal | cut -f1 -d' ' | xargs -rt docker rm 2>&1 >/dev/null