FreeBSDのVPS(Virtual Private Systems)コンテナを作成するスクリプトです。

create_virtual_instance.sh

#!/bin/sh

VPS_ROOT=/opt/vps

if [ $# -ne 2 ]; then
	echo 'err: too few arguments.'
	echo '  ./create_virtual_instance.sh <container_name> <addr>'
	exit 1
fi

vps_dir=${VPS_ROOT}/$1

if [ -d ${vps_dir} ]; then
	echo "err: container '$1' is already exists."
	exit 1
fi

#################################################
echo "-> Create the virtual instnce's filesystem"
mkdir -p ${vps_dir} || exit 1
tar Jxpf ./base.txz -C ${vps_dir}

#######################################
echo "-> Create ${vps_dir}/etc/rc.conf"
cat <<_EOF > ${vps_dir}/etc/rc.conf
root_rw_mount=NO
hostname="$1"
_EOF

########################################
echo "-> Create ${vps_dir}/etc/rc.local"
cat <<_EOF > ${vps_dir}/etc/rc.local
ifconfig vps0 inet 192.168.98.$2 netmask 255.255.255.255 up
route add default -iface vps0
_EOF

#####################################
echo "-> Create /etc/vps/vps_$1.conf"
cat <<_EOF >> /etc/vps/vps_$1.conf
NAME   = '$1'
FSROOT = '${vps_dir}'
INIT   = '/sbin/init'
NETIF_0_ADDRESS = '192.168.98.$2'
_EOF

# show result
cat <<_EOF
 container name: $1
 address       : 192.168.98.$2
_EOF

# Copyright (c) 2015, @furandon_pig
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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