The Virtualization Cookbook for SLES 10 SP2 - z/VM - IBM

shift
fi
# If no command line options were provided show the help message
[ $# -eq 0 ] && help
# If one comand line option was provided show the help message
if [ $# -lt 2 ]; then
echo "Error: incorrect number of arguments"
help
fi
# Check that vmcp exists and the module is loaded
check_for_vmcp
# Allow UPPER or lower case source, target, blacklist entries.
# Convert all to lower case for consistency.
source_linux_id=$(echo $1 | tr "[:upper:]" "[:lower:]")
target_linux_id=$(echo $2 | tr "[:upper:]" "[:lower:]")
# Check the blacklist, which prevents using the master image as a target.
if [ -f /etc/clone/blacklist.conf ]; then
. /etc/clone/blacklist.conf
BlackList=$(echo ${BLACKLIST} | tr "[:upper:]" "[:lower:]")
for Target in ${BlackList}
do
if [ "${Target}" == "${target_linux_id}" ]; then
echo "${target_linux_id} is blacklisted! Exiting!"
exit
fi
done
fi
# Check if udevsettle is present, used in function wait_for_device
[ -x /sbin/udevsettle ] && UDEVSETTLE=/sbin/udevsettle
[ -x /sbin/udevadm ] && UDEVSETTLE='/sbin/udevadm settle'
# Check that the master and clone z/VM IDs are logged off.
check_logged_off $source_linux_id
check_logged_off $target_linux_id
# Check that the clone's configuration file exists
check_for_conf
# Collect information from the clone's configuration file
get_target_info $@
[ "$PROMPT" = "y" ] && ask_are_you_sure
echo "Cloning $source_linux_id to $target_linux_id ..."
[ -z "$DASD" ] && echo "Error: no DASD defined in /etc/clone/${target_linux_id}.conf" &&
exit
copy_disks $DASD
# Update the newly cloned image locally, so link, set online then mount the
# clone's root filesystem. Then call modify_cloned_image to update
# configuration files with the proper settings. Finally unmount,
# set offline and unlink the disk.
echo "Updating cloned image ..."
if [ -n "$VG_NAME" ]; then
link_disks $DASD
262 The Virtualization Cookbook for RHEL 6