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Trivial management of 64 bit virtual machines with qemu
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6 years ago
#!/usr/bin/env sh
# qvm - Trivial management of 64 bit virtual machines with qemu.
#
# Written in 2016 by Franco Masotti/frnmst <franco.masotti@student.unife.it>
#
# To the extent possible under law, the author(s) have dedicated all
# copyright and related and neighboring rights to this software to the public
# domain worldwide. This software is distributed without any warranty.
#
# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
. ./configvmrc
input="$1"
if [ -z "$input" ] || [ "$input" = "-h" ]; then
cat <<-EOF
Usage: qvm [OPTION]
Trivial management of 64 bit virtual machines with qemu.
Options:
-b backup vhd
-c create new vhd
-d delete vhd backup
-h print this help
-i install img on vhd
-r run vm
Only a single option is accepted.
Before running any virtual machine you must create a backup first.
CC0
Written in 2016 by Franco Masotti/frnmst <franco.masotti@student.unife.it>
EOF
exit 1
fi
{
[ "$input" = "-b" ] \
&& qemu-img create -f "$vhd_type" \
-b "$vhd_name" \
"$vhd_name".mod
[ "$input" = "-d" ] \
&& rm "$vhd_name".mod
[ "$input" = "-c" ] \
&& qemu-img create -f "$vhd_type" "$vhd_name" "$vhd_size"
[ "$input" = "-i" ] \
&& qemu-system-x86_64 -m "$vm_memory" \
-enable-kvm -cdrom "$img_name" \
-boot order=d "$vhd_name"
[ "$input" = "-r" ] \
&& [ -f "$vhd_name".mod ] \
&& qemu-system-x86_64 \
-m "$vm_memory" \
-enable-kvm \
-device e1000,netdev=user.0 \
-netdev user,\
id=user.0,hostfwd=tcp::"$host_port"-:"$guest_port",\
hostfwd=tcp::"$ssh_host_port"-:"$ssh_guest_port" \
-virtfs local,path="$shared_data_path",\
security_model=none,mount_tag="$mount_tag" \
"$vhd_name".mod \
|| { printf "Make a backup first.\n"; exit 1; }
} &