django-orchestra/scripts/container/create.sh

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#!/bin/bash
# This is a helper script for creating a basic LXC container with some convenient packages
# ./create.sh [container_name]
set -u
NAME=${1:-orchestra}
CONTAINER="/var/lib/lxc/$NAME/rootfs"
PASSWORD=$NAME
export SUITE="jessie"
[ $(whoami) != 'root' ] && {
echo -e "\nErr. This script should run as root\n" >&2
exit 1
}
lxc-create -h &> /dev/null || {
echo -e "\nErr. It seems like LXC is not installed, run apt-get install lxc\n" >&2
exit 1
}
lxc-ls | grep -E "(^|\s)$NAME($|\s)" && {
echo -e "\nErr. Container with name $NAME already exists."
echo -e " You can destroy it by: sudo lxc-destroy -n $NAME\n" >&2
exit 1
}
lxc-create -n $NAME -t debian
trap "umount $CONTAINER/{dev,sys}; exit 1;" INT TERM EXIT
mount --bind /dev $CONTAINER/dev
mount -t sysfs none $CONTAINER/sys
sed -i "s/\tlocalhost$/\tlocalhost $NAME/" $CONTAINER/etc/hosts
sed -i "s/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/" $CONTAINER/etc/locale.gen
chroot $CONTAINER locale-gen
echo -e "#!/bin/sh\nexit 101\n" > $CONTAINER/usr/sbin/policy-rc.d
chmod 755 $CONTAINER/usr/sbin/policy-rc.d
chroot $CONTAINER apt-get update
chroot $CONTAINER apt-get install -y --force-yes \
nano git screen sudo iputils-ping python3 python3-pip wget curl dnsutils rsyslog
rm $CONTAINER/usr/sbin/policy-rc.d
chroot $CONTAINER apt-get clean
sleep 0.1
umount $CONTAINER/{dev,sys} || {
echo "Killing processes inside the container ..."
lsof | grep $CONTAINER | awk {'print $2'} | uniq | xargs kill
umount $CONTAINER/{dev,sys}
}
trap - INT TERM EXIT