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104 lines
2.4 KiB
Bash
104 lines
2.4 KiB
Bash
#!/bin/bash
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# get_uec_image.sh - Prepare Ubuntu UEC images
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CACHEDIR=${CACHEDIR:-/opt/stack/cache}
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ROOTSIZE=${ROOTSIZE:-2000}
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# Keep track of the current directory
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TOOLS_DIR=$(cd $(dirname "$0") && pwd)
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TOP_DIR=`cd $TOOLS_DIR/..; pwd`
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# exit on error to stop unexpected errors
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set -o errexit
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set -o xtrace
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usage() {
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echo "Usage: $0 - Fetch and prepare Ubuntu images"
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echo ""
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echo "$0 [-r rootsize] release imagefile [kernel]"
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echo ""
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echo "-r size - root fs size (min 2000MB)"
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echo "release - Ubuntu release: jaunty - oneric"
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echo "imagefile - output image file"
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echo "kernel - output kernel"
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exit 1
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}
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# Clean up any resources that may be in use
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cleanup() {
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set +o errexit
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# Mop up temporary files
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if [ -n "$IMG_FILE_TMP" -a -e "$IMG_FILE_TMP" ]; then
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rm -f $IMG_FILE_TMP
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fi
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# Kill ourselves to signal any calling process
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trap 2; kill -2 $$
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}
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while getopts hr: c; do
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case $c in
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h) usage
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;;
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r) ROOTSIZE=$OPTARG
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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" && ! "$#" -eq "3" ]]; 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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IMG_FILE_TMP=`mktemp $IMG_FILE.XXXXXX`
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KERNEL=$3
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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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*) echo "Unknown release: $DIST_NAME"
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usage
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;;
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esac
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trap cleanup SIGHUP SIGINT SIGTERM SIGQUIT EXIT
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# Check dependencies
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if [ ! -x "`which qemu-img`" -o -z "`dpkg -l | grep cloud-utils`" ]; then
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# Missing KVM?
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apt_get install qemu-kvm cloud-utils
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fi
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# Find resize script
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RESIZE=`which resize-part-image || which uec-resize-image`
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if [ -z "$RESIZE" ]; then
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echo "resize tool from cloud-utils not found"
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exit 1
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fi
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# Get the UEC image
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UEC_NAME=$DIST_NAME-server-cloudimg-amd64
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if [ ! -d $CACHEDIR ]; then
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mkdir -p $CACHEDIR/$DIST_NAME
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fi
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if [ ! -e $CACHEDIR/$DIST_NAME/$UEC_NAME.tar.gz ]; then
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(cd $CACHEDIR/$DIST_NAME && wget -N http://uec-images.ubuntu.com/$DIST_NAME/current/$UEC_NAME.tar.gz)
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(cd $CACHEDIR/$DIST_NAME && tar Sxvzf $UEC_NAME.tar.gz)
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fi
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$RESIZE $CACHEDIR/$DIST_NAME/$UEC_NAME.img ${ROOTSIZE} $IMG_FILE_TMP
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mv $IMG_FILE_TMP $IMG_FILE
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# Copy kernel to destination
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if [ -n "$KERNEL" ]; then
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cp -p $CACHEDIR/$DIST_NAME/*-vmlinuz-virtual $KERNEL
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fi
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trap - SIGHUP SIGINT SIGTERM SIGQUIT EXIT
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