105 lines
2.7 KiB
Bash
105 lines
2.7 KiB
Bash
|
#!/bin/bash
|
||
|
|
# Script to create a virtual machine
|
||
|
|
#
|
||
|
|
# Copyright (C) 2024 Adrien 'neox' Bourmault <neox@a-lec.org>
|
||
|
|
#
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU Affero General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 3 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU Affero General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU Affero General Public License
|
||
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
# Exit on error
|
||
|
|
set -e
|
||
|
|
#set -v
|
||
|
|
# Enable quitting properly
|
||
|
|
trap clean_exit INT
|
||
|
|
|
||
|
|
function clean_exit() {
|
||
|
|
echo "Exiting..."
|
||
|
|
set +e
|
||
|
|
umount -q /mnt/${vm}
|
||
|
|
sync
|
||
|
|
|
||
|
|
if [ ! -z ${loopdisk} ]; then
|
||
|
|
losetup -d ${loopdisk}
|
||
|
|
fi
|
||
|
|
sleep 3
|
||
|
|
rmdir /mnt/${vm}*
|
||
|
|
exit 0
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
vm=$1
|
||
|
|
dest=$2
|
||
|
|
|
||
|
|
if [ -e ${dest} ]; then
|
||
|
|
echo -e "\e[1m\e[31mThis virtual machine already exists!\e[0m"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
generic_image="/srv/vmverse/installation/generic-trisquel.a-lec.org.raw"
|
||
|
|
generic_xml="/srv/vmverse/installation/generic-trisquel.a-lec.org.xml"
|
||
|
|
|
||
|
|
if [[ $# < 2 ]]
|
||
|
|
then
|
||
|
|
echo "ERROR: 3 parameters required : vm domain, destination path"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Preparing path
|
||
|
|
echo "Preparing path..."
|
||
|
|
mkdir -p /mnt/${vm}
|
||
|
|
mkdir -p $(dirname ${dest})
|
||
|
|
|
||
|
|
# Creating new disk
|
||
|
|
echo "Creating new disk..."
|
||
|
|
cp --reflink ${generic_image} ${dest}
|
||
|
|
|
||
|
|
# Mounting
|
||
|
|
echo "Mounting devices..."
|
||
|
|
loopdisk=$(losetup -fPL ${dest} --show)
|
||
|
|
mount ${loopdisk}p1 /mnt/${vm}
|
||
|
|
|
||
|
|
# Customizing
|
||
|
|
echo "Updating system files..."
|
||
|
|
rm -f /mnt/${vm}/var/lib/dhcp/*
|
||
|
|
sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/postfix/virtual
|
||
|
|
sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/mailname
|
||
|
|
sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/postfix/main.cf
|
||
|
|
sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/hosts
|
||
|
|
sed -i "s/generic-trisquel//g" /mnt/${vm}/etc/hosts
|
||
|
|
|
||
|
|
# Cleaning up
|
||
|
|
echo -e "Unmounting..."
|
||
|
|
umount -q /mnt/${vm}
|
||
|
|
sync
|
||
|
|
if [ ! -z ${loopdisk} ]; then
|
||
|
|
losetup -d ${loopdisk}
|
||
|
|
fi
|
||
|
|
sleep 3
|
||
|
|
rmdir /mnt/${vm}*
|
||
|
|
|
||
|
|
# Registering vm
|
||
|
|
echo "Registering vm..."
|
||
|
|
rm -f /tmp/${vm}.xml
|
||
|
|
cp ${generic_xml} /tmp/${vm}.xml
|
||
|
|
mac=`echo 52:54:00$(od -An -N3 -tx1 /dev/urandom | tr ' ' ':')`
|
||
|
|
uuid=`uuid`
|
||
|
|
sed -i "s;${generic_image};${dest};g" /tmp/${vm}.xml
|
||
|
|
sed -i "s/311541de-2383-49b1-a014-d4e558bdaad4/${uuid}/g" /tmp/${vm}.xml
|
||
|
|
sed -i "s/52:54:00:0b:a6:ed/${mac}/g" /tmp/${vm}.xml
|
||
|
|
sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /tmp/${vm}.xml
|
||
|
|
virsh define /tmp/${vm}.xml
|
||
|
|
|
||
|
|
echo -e "\e[36m${vm} successfully created\e[0m"
|
||
|
|
echo Generated mac address: ${mac}
|
||
|
|
exit 0
|