Script used to create the lxc container

lxcdeploy

#!/bin/bash

POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"

case $key in
    -n|--name)
    NAME="$2"
    shift # past argument
    shift # past value
    ;;
    -i|--image)
    IMAGE="$2"
    shift # past argument
    shift # past value
    ;;
    -m|--create-mount)
    CREATE_MOUNT_POINT="YES"
    shift # past argument
    ;;
    *)    # unknown option
    POSITIONAL+=("$1") # save it in an array for later
    shift # past argument
    ;;
esac
done
set -- "${POSITIONAL[@]}" # restore positional parameters

IMAGE=${IMAGE:-ubuntu:16.04}

if [ -z "$NAME" ]
then
    echo "You must provide a container name"
    exit 1
fi

if ! lxc launch "$IMAGE" $NAME; then
    exit 1
fi

lxc config set $NAME boot.autostart true

# wait for network to be setup
TIMEOUT=30
while ! lxc info $NAME | grep 'eth0:' | grep -qw inet; do
    sleep 1
    TIMEOUT=$(($TIMEOUT - 1))
    if [ $TIMEOUT -eq 0 ] ; then
        exit 1
    fi
done

echo "Setup ssh service"

# add sshd to lxc
lxc exec $NAME -- /bin/bash -c "apt install -y openssh-server python sudo" &>/dev/null

LXCIPADDR=$(lxc info $NAME | grep 'eth0:' | grep -w inet | grep -Eo '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')

# add container to host file
if ! grep "$NAME.lxd #lxdeploy" /etc/hosts ; then
    echo -en "$LXCIPADDR $NAME.lxd #lxdeploy\n" | sudo tee -a /etc/hosts >/dev/null
fi

# add container key to known hosts file
ssh-keyscan "$NAME.lxd" >> ~/.ssh/known_hosts 2> /dev/null
ssh-keyscan "$LXCIPADDR"  >> ~/.ssh/known_hosts 2> /dev/null

# add user ssh pub key to container root authorized keys
lxc exec $NAME -- /bin/bash -c "mkdir -p /root/.ssh"
for key in ~/.ssh/*.pub
do
    lxc exec $NAME -- /bin/bash -c "echo $(cat $key) >> /root/.ssh/authorized_keys"
done

# create mount point
if [ "$CREATE_MOUNT_POINT" = "YES" ]; then
    lxc exec $NAME -- /bin/bash -c "mkdir -p /var/www/$NAME/current"
    lxc config device add $NAME project_source disk source=$(pwd) path=/var/www/$NAME/current
fi

# manage user mapping
echo -en "uid $(id -u) 1101\ngid $(id -g) 33" | lxc config set $NAME raw.idmap -
lxc restart -f $NAME

exit 0