recepies/kvm/image-device.sh

#!/bin/sh -x

test -e $1 || ( echo echo "Usage: $0 image.qcow2" ; exit 1 )

image=$1

test -e $image.pid && kill `cat $image.pid` 

running=`ps ax | grep kvm-nbd | grep -v grep | wc -l`
port=`expr 10000 + $running`

kvm-nbd --port $port $image &
echo $! > $image.pid

sleep 1

nbd-client localhost $port /dev/nbd$running || exit

fdisk -l /dev/nbd$running

fdisk -l /dev/nbd1 | grep ^/dev/nbd | cut -d" " -f1 | sed 's!/dev/!!' | xargs -i sh -x -c "mkdir -p /mnt/$image/{} ; mount -v /dev/{} /mnt/$image/{}"

df -h /mnt/$image/*
1	dpavlin	52	#!/bin/sh -x
2
3			test -e $1 \|\| ( echo echo "Usage: $0 image.qcow2" ; exit 1 )
4
5			image=$1
6	dpavlin	56
7			test -e $image.pid && kill `cat $image.pid`
8
9			running=`ps ax \| grep kvm-nbd \| grep -v grep \| wc -l`
10	dpavlin	52	port=`expr 10000 + $running`
11
12			kvm-nbd --port $port $image &
13			echo $! > $image.pid
14
15	dpavlin	56	sleep 1
16
17	dpavlin	52	nbd-client localhost $port /dev/nbd$running \|\| exit
18
19			fdisk -l /dev/nbd$running
20	dpavlin	56
21			fdisk -l /dev/nbd1 \| grep ^/dev/nbd \| cut -d" " -f1 \| sed 's!/dev/!!' \| xargs -i sh -x -c "mkdir -p /mnt/$image/{} ; mount -v /dev/{} /mnt/$image/{}"
22
23			df -h /mnt/$image/*