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#!/bin/sh
#
# Copyright (c) 2019-2021 Mischa Peters <mischa @ openbsd.amsterdam>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
if [[ -z $1 || -z $2 || -z $3 ]]; then
	echo "Usage: $0 <source vm> <dest host> <dest vm>"
	exit
fi
VM_CONF="$PWD/vms/${1}.txt"
[ -f "$VM_CONF" ] && . "$VM_CONF"
if [ ! -f "$VM_CONF" ]; then
	echo "--> ${PWD}/vmm/${1}.txt doesn't exist"
	exit
fi
if [ -n "$instance" ]; then
	echo "instance name found: ${instance}"
fi

if [ -f "/var/vmm/${instance}.img" ]; then
	echo -n "Size of img: "
	ls -alh /var/vmm/${instance}.img | awk '{print $5}'
	if [ ! -f "/var/vmm/${1}.qcow2" ]; then
		echo "vmctl create -i /var/vmm/${instance}.img /var/vmm/${1}.qcow2"
		vmctl create -i /var/vmm/${instance}.img /var/vmm/${1}.qcow2 && pushover.pl -m "vmctl create ${1} done"
	fi
fi
if [ -f "/var/vmm/${instance}.qcow2" ]; then
	cp /var/vmm/${instance}.qcow2 /var/vmm/${1}.qcow2
fi

if [ -f "/var/vmm/${1}.img" ]; then
	echo -n "Size of img: "
	ls -alh /var/vmm/${1}.img | awk '{print $5}'
	if [ ! -f "/var/vmm/${1}.qcow2" ]; then
		echo "vmctl create -i /var/vmm/${1}.img /var/vmm/${1}.qcow2"
		vmctl create -i /var/vmm/${1}.img /var/vmm/${1}.qcow2 && pushover.pl -m "vmctl create ${1} done"
	fi
fi

if [ -f "/var/vmm/${1}.qcow2" ]; then
	echo -n "Size of qcow2: "
	ls -alh /var/vmm/${1}.qcow2 | awk '{print $5}'
	echo "rsync -ve 'ssh -p 31415 -i ~mischa/.ssh/id_ed25519' --rsync-path='doas rsync' /var/vmm/${1}.qcow2 mischa@${2}.obsda.ms:/var/vmm/${3}.qcow2"
	rsync -ve 'ssh -p 31415 -i ~mischa/.ssh/id_ed25519' --rsync-path='doas rsync' /var/vmm/${1}.qcow2 mischa@${2}.obsda.ms:/var/vmm/${3}.qcow2 && pushover.pl -m "rsync ${3} to ${2} done"
fi