Add create and setup vm scripts
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admin666
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#!/bin/bash
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# Script to create a virtual machine
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#
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# Copyright (C) 2024 Adrien 'neox' Bourmault <neox@a-lec.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Exit on error
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set -e
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#set -v
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# Enable quitting properly
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trap clean_exit INT
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function clean_exit() {
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echo "Exiting..."
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set +e
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umount -q /mnt/${vm}
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sync
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if [ ! -z ${loopdisk} ]; then
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losetup -d ${loopdisk}
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fi
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sleep 3
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rmdir /mnt/${vm}*
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exit 0
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}
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vm=$1
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dest=$2
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if [ -e ${dest} ]; then
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echo -e "\e[1m\e[31mThis virtual machine already exists!\e[0m"
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exit 1
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fi
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generic_image="/srv/vmverse/installation/generic-trisquel.a-lec.org.raw"
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generic_xml="/srv/vmverse/installation/generic-trisquel.a-lec.org.xml"
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if [[ $# < 2 ]]
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then
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echo "ERROR: 3 parameters required : vm domain, destination path"
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exit 1
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fi
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# Preparing path
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echo "Preparing path..."
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mkdir -p /mnt/${vm}
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mkdir -p $(dirname ${dest})
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# Creating new disk
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echo "Creating new disk..."
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cp --reflink ${generic_image} ${dest}
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# Mounting
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echo "Mounting devices..."
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loopdisk=$(losetup -fPL ${dest} --show)
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mount ${loopdisk}p1 /mnt/${vm}
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# Customizing
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echo "Updating system files..."
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rm -f /mnt/${vm}/var/lib/dhcp/*
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sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/postfix/virtual
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sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/mailname
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sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/postfix/main.cf
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sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /mnt/${vm}/etc/hosts
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sed -i "s/generic-trisquel//g" /mnt/${vm}/etc/hosts
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# Cleaning up
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echo -e "Unmounting..."
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umount -q /mnt/${vm}
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sync
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if [ ! -z ${loopdisk} ]; then
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losetup -d ${loopdisk}
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fi
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sleep 3
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rmdir /mnt/${vm}*
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# Registering vm
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echo "Registering vm..."
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rm -f /tmp/${vm}.xml
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cp ${generic_xml} /tmp/${vm}.xml
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mac=`echo 52:54:00$(od -An -N3 -tx1 /dev/urandom | tr ' ' ':')`
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uuid=`uuid`
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sed -i "s;${generic_image};${dest};g" /tmp/${vm}.xml
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sed -i "s/311541de-2383-49b1-a014-d4e558bdaad4/${uuid}/g" /tmp/${vm}.xml
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sed -i "s/52:54:00:0b:a6:ed/${mac}/g" /tmp/${vm}.xml
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sed -i "s/generic-trisquel.a-lec.org/${vm}/g" /tmp/${vm}.xml
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virsh define /tmp/${vm}.xml
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echo -e "\e[36m${vm} successfully created\e[0m"
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echo Generated mac address: ${mac}
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exit 0
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@ -0,0 +1,60 @@
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#!/bin/bash
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# Script to create a virtual machine
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#
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# Copyright (C) 2024 Adrien 'neox' Bourmault <neox@a-lec.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Exit on error
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set -e
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#set -v
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vm=$1
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if [[ $# < 1 ]]
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then
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echo "ERROR: 1 parameter required : vm domain"
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exit 1
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fi
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echo "Starting vm..."
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virsh start ${vm}
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echo "Waiting for ${vm} to boot..."
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sleep 20
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echo "Setting up hostname..."
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sudo -u admin666 ssh -4 ${vm} "sudo hostnamectl set-hostname ${vm}"
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echo "Reloading postfix configuration..."
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sudo -u admin666 ssh -4 ${vm} "sudo postmap /etc/postfix/virtual"
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echo "Reloading postfix..."
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sudo -u admin666 ssh -4 ${vm} "sudo postfix reload"
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echo "Rebooting..."
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sudo -u admin666 ssh -4 ${vm} "sudo reboot"
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echo "Waiting for ${vm} to boot..."
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sleep 20
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echo "Updating packages..."
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sudo -u admin666 ssh -4 ${vm} "sudo apt update"
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sudo -u admin666 ssh -4 ${vm} 'sudo apt full-upgrade -y -o Dpkg::Options::="--force-confold"'
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sudo -u admin666 ssh -4 ${vm} "sudo apt autoremove -y"
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echo "Installing base packages..."
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sudo -u admin666 ssh -4 ${vm} "sudo apt install -y etckeeper molly-guard tig lm-sensors fancontrol screen emacs-nox vrms needrestart iotop htop curl ncdu iptraf tig unzip"
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echo -e "\e[36m${vm} successfully set up\e[0m"
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exit 0
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