Merge branch 'master' of github.com:cloudbuilders/devstack
Jesse Andrews
13 years ago
commit
7b1aa5b6be
@ -0,0 +1,159 @@
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#!/bin/bash
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# get_uec_image.sh - Prepare Ubuntu images in various formats
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#
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# Supported formats: qcow (kvm), vmdk (vmserver), vdi (vbox), vhd (vpc), raw
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#
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# Required to run as root
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CACHEDIR=${CACHEDIR:-/var/cache/devstack}
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FORMAT=${FORMAT:-qcow2}
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ROOTSIZE=${ROOTSIZE:-2000}
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MIN_PKGS=${MIN_PKGS:-"apt-utils gpgv openssh-server"}
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usage() {
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echo "Usage: $0 - Prepare Ubuntu images"
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echo ""
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echo "$0 [-f format] [-r rootsize] release imagefile"
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echo ""
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echo "-f format - image format: qcow2 (default), vmdk, vdi, vhd, xen, raw, fs"
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echo "-r size - root fs size in MB (min 2000MB)"
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echo "release - Ubuntu release: jaunty - oneric"
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echo "imagefile - output image file"
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exit 1
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}
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while getopts f:hmr: c; do
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case $c in
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f) FORMAT=$OPTARG
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;;
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h) usage
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;;
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m) MINIMAL=1
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;;
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r) ROOTSIZE=$OPTARG
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if $(( ROOTSIZE < 2000 )); then
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echo "root size must be greater than 2000MB"
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exit 1
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fi
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;;
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esac
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done
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shift `expr $OPTIND - 1`
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if [ ! "$#" -eq "2" ]; then
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usage
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fi
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# Default args
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DIST_NAME=$1
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IMG_FILE=$2
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case $FORMAT in
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kvm|qcow2) FORMAT=qcow2
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QFORMAT=qcow2
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;;
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vmserver|vmdk)
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FORMAT=vmdk
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QFORMAT=vmdk
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;;
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vbox|vdi) FORMAT=vdi
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QFORMAT=vdi
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;;
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vhd|vpc) FORMAT=vhd
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QFORMAT=vpc
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;;
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xen) FORMAT=raw
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QFORMAT=raw
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;;
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raw) FORMAT=raw
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QFORMAT=raw
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;;
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*) echo "Unknown format: $FORMAT"
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usage
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esac
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case $DIST_NAME in
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oneiric) ;;
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natty) ;;
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maverick) ;;
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lucid) ;;
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karmic) ;;
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jaunty) ;;
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*) echo "Unknown release: $DIST_NAME"
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usage
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;;
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esac
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# Set up nbd
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modprobe nbd max_part=63
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NBD=${NBD:-/dev/nbd9}
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NBD_DEV=`basename $NBD`
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# Prepare the base image
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# Get the UEC image
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UEC_NAME=$DIST_NAME-server-cloudimg-amd64
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if [ ! -e $CACHEDIR/$UEC_NAME-disk1.img ]; then
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(cd $CACHEDIR; wget -N http://uec-images.ubuntu.com/$DIST_NAME/current/$UEC_NAME-disk1.img)
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# Connect to nbd and wait till it is ready
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qemu-nbd -d $NBD
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qemu-nbd -c $NBD $CACHEDIR/$UEC_NAME-disk1.img
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if ! timeout 60 sh -c "while ! [ -e /sys/block/$NBD_DEV/pid ]; do sleep 1; done"; then
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echo "Couldn't connect $NBD"
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exit 1
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fi
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MNTDIR=`mktemp -d mntXXXXXXXX`
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mount -t ext4 ${NBD}p1 $MNTDIR
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# Install our required packages
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cp -p files/sources.list $MNTDIR/etc/apt/sources.list
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cp -p /etc/resolv.conf $MNTDIR/etc/resolv.conf
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chroot $MNTDIR apt-get update
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chroot $MNTDIR apt-get install -y $MIN_PKGS
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rm -f $MNTDIR/etc/resolv.conf
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umount $MNTDIR
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rmdir $MNTDIR
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qemu-nbd -d $NBD
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fi
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if [ "$FORMAT" = "qcow2" ]; then
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# Just copy image
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cp -p $CACHEDIR/$UEC_NAME-disk1.img $IMG_FILE
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else
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# Convert image
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qemu-img convert -O $QFORMAT $CACHEDIR/$UEC_NAME-disk1.img $IMG_FILE
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fi
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# Resize the image if necessary
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if [ $ROOTSIZE -gt 2000 ]; then
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# Resize the container
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qemu-img resize $IMG_FILE +$((ROOTSIZE - 2000))M
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# Connect to nbd and wait till it is ready
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qemu-nbd -c $NBD $IMG_FILE
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if ! timeout 60 sh -c "while ! [ -e /sys/block/$NBD_DEV/pid ]; do sleep 1; done"; then
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echo "Couldn't connect $NBD"
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exit 1
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fi
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# Resize partition 1 to full size of the disk image
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echo "d
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n
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p
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1
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2
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t
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83
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a
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1
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w
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" | fdisk $NBD
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fsck -t ext4 -f ${NBD}p1
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resize2fs ${NBD}p1
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qemu-nbd -d $NBD
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fi
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