roles/compute-node/files/remove-maas-components

#!/bin/bash

KEEP_DOCKER=0
DOCKER_ENGINE="docker-ce"
DOCKER_REGISTRY="/docker-registry /docker-registry-mirror"
CONTAINER_LIST=$(docker ps -qa)

while [ $# -gt 0 ]; do
    case $1 in
        -k|--keep-docker)
            KEEP_DOCKER=1
            DOCKER_ENGINE=
            DOCKER_REGISTRY=
	    CONTAINER_LIST=$(docker ps --format '{{.ID}} {{.Names}}' | grep -v ' registry$' | grep -v ' registry-mirror$' | awk '{print $1}')
            ;;
    esac
    shift
done

docker rm -f $(docker ps -aq)
docker rmi -f $(docker images -q)
docker volume rm -f $(docker volume ls -q)
docker network rm $(docker network ls -q)
sudo apt-get remove --purge -y bind9 apache2 apt-cacher-ng $DOCKER_ENGINE ansible $(dpkg --get-selections | grep maas | cut -f1)

sudo rm -rf \
    /etc/maas \
    /etc/bind \
    /etc/apache2 \
    /var/www \
    /var/log/maas \
    /var/lib/maas \
    /etc/apt/apt.conf.d/02apt-cacher-ng \
    /etc/apt/sources.list.d/apt_dockerproject_org_repo.list \
    /etc/apt/sources.list.d/ppa_juju_stable_trusty.list \
    /etc/apt/sources.list.d/docker.list \
    /etc/apt/sources.list.d/ppa_maas_stable_trusty.list \
    /etc/apt/sources.list.d/ppa_ansible_ansible_trusty.list \
    /etc/network/if-pre-up.d/nat \
    /etc/apt/apt.conf.d/03apt-cacher-ng \
    $DOCKER_REGISTRY

sudo apt-get update -y

# remove NAT rules
sudo iptables --table nat --delete POSTROUTING --out-interface eth3 -j MASQUERADE
sudo iptables --delete FORWARD --in-interface mgmtbr -j ACCEPT