ximage

#!/bin/sh
#
# creates a disk image from a running node in the specified slice/aggregate
#
# This script was written on OS X. To run on linux the following definition should be changed
#
omni="/Applications/omniTools-2.6/omni.app/Contents/MacOS/omni --error"

file="*-listimages-*"

if [ $# -ne 4 ]; then
	echo usage: ximage imagename slicename hostname aggregate
	echo where:
	echo "    imagename is the name for the new disk image"
	echo "    slicename is the slice to image from"
	echo "    hostname is the host in the slice to image"
	echo "    aggregate is the GENI location where the slice is running"
	exit 1
fi

iname=$1
sname=$2
hname=$3
agg=$4

# get a json file containing the status of the nodes in the slice
$omni sliverstatus -a $agg $sname -o

# really ugly but quick command to extract the urn of the host we want to image
# ignore the grep error, I have no idea where it's coming from
urn=`cat $sname-sliverstatus-utahddc-geniracks-net.json| tr '\n' ' ' | tr '}' '\n' | grep geni_client_id | grep $hname | tr "," "\n" | grep sliver_id | cut -d \" -f4`

# delete the json file
rm $sname-sliverstatus-utahddc-geniracks-net.json

# create the disk image
$omni createimage -a $agg $sname $iname -u $urn

echo paste the following line into your rspec file in place of the old disk image lines
$omni listimages -a $agg -o

url=`cat $file | tr "\n" " " | tr "\}" "\n" | grep $iname | cut -d \" -f 4`
urn=`cat $file | tr "\n" " " | tr "\}" "\n" | grep $iname | cut -d \" -f 8`
rm $file

printf "\n\n<disk_image url=\"$url\"\n\tname=\"$urn\"/>\n\n"