177 lines
4.2 KiB
Bash
Executable File
177 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env sh
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# qvm - Trivial management of 64 bit virtual machines with qemu.
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#
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# Written in 2016 by Franco Masotti/frnmst <franco.masotti@student.unife.it>
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the public
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# domain worldwide. This software is distributed without any warranty.
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#
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# You should have received a copy of the CC0 Public Domain Dedication along
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# with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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help()
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{
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cat <<-EOF
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Usage: qvm [OPTION]
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Trivial management of 64 bit virtual machines with qemu.
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Options:
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-a, --attach connect via SSH
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-b, --backup backup vhd
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-c, --create create new vhd
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-d, --delete delete vhd backup
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--delete-orig delete original vhd
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-h, --help print this help
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-i, --install install img on vhd
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-n, --run-nox run vm without opening a graphical window
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(useful for background jobs like SSH)
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--run-nox-orig run-orig and run-nox combined
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-s, --mkdir-shared create shared directory
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-x, --run run vm
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--run-orig run from original vhd
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Only a single option is accepted.
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By default, the backup vhd is run.
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CC0
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Written in 2016 by Franco Masotti/frnmst <franco.masotti@student.unife.it>
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EOF
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}
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unrecognized_option()
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{
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printf "%s\n" "Try 'qvm --help' for more information"
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} 1>&2-
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attach()
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{
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ssh -p "$ssh_host_port" -l "$ssh_guest_username" 127.0.0.1
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}
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backup()
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{
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qemu-img create -f "$vhd_type" \
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-b "$vhd_name" \
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"$vhd_name".mod
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}
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create()
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{
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qemu-img create -f "$vhd_type" \
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"$vhd_name" \
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"$vhd_size"
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}
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delete()
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{
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local argc="$1"
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local vhd=""
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if [ "$argc" = "orig" ]; then
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vhd="$vhd_name"
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else
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vhd=""$vhd_name".mod"
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fi
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rm "$vhd"
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}
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installs()
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{
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qemu-system-x86_64 -m "$vm_memory" \
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-enable-kvm \
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-cdrom "$img_name" \
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-boot order=d \
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"$vhd_name" &
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}
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shared()
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{
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mkdir -p "$shared_data_path"
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}
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run()
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{
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local argc1="$1"
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local argc2="$2"
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local vhd=""
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local display=""
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if [ "$argc2" = "orig" ]; then
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vhd="$vhd_name"
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else
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vhd=""$vhd_name".mod"
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fi
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if [ "$argc1" = "none" ]; then
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display="none"
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else
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display="gtk"
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fi
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export QEMU_AUDIO_DRV=alsa
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if [ -f "$vhd" ]; then
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qemu-system-x86_64 \
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-m "$vm_memory" \
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-enable-kvm \
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-device e1000,netdev=user.0 \
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-netdev user,\
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id=user.0,hostfwd=tcp::"$host_port"-:"$guest_port",\
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hostfwd=tcp::"$ssh_host_port"-:"$ssh_guest_port" \
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-virtfs local,path="$shared_data_path",\
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security_model=none,mount_tag="$mount_tag" \
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-soundhw ac97 \
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-display "$display" \
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"$vhd" &
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else
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printf "VHD file \""$vhd"\" is missing.\n"
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exit 1
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fi
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}
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main()
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{
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local argc="$1"
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local options="abcdhinrx"
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local long_options="attach,backup,create,delete,delete-orig\
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,help,install,run,run-orig,run-nox,run-nox-orig"
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local opts
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local opt
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[ -z "$argc" ] && argc="-x"
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opts="$(getopt --options $options --longoptions $long_options -- $argc)"
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[ $? -ne 0 ] && unrecognized_option && return 1
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eval set -- "$opts"
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# Source variables globally.
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. ./configvmrc
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for opt in $opts; do
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case "$opt" in
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-- ) ;;
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-a | --attach ) attach ;;
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-b | --backup ) backup ;;
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-c | --create ) create ;;
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-d | --delete ) delete ;;
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--delete-orig ) delete orig ;;
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-h | --help ) help ;;
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-i | --install ) installs ;;
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-n | --run-nox ) run none ;;
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--run-nox-orig ) run none orig ;;
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-s | --mkdir-shared ) shared ;;
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-x | --run ) run gtk ;;
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--run-orig ) run gtk orig ;;
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esac
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done
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}
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main "$*"
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