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#!/bin/sh
#reset driver C
#write by bendy 67052 [at] qq.com
if [ -z "${XE}" ]; then
XE=xe
fi
# Check there's a vm uuid parameter to the command
if [ $# -ne 1 ]; then
echo "usage: $0 <vm_uuid_to_reset>"
exit 1
fi
vmuuid=$1
# Check if there's a VM by the uuid specified
${XE} vm-list params=uuid | grep -q " ${vmuuid}$"
if [ $? -ne 0 ]; then
echo "error: no vm uuid "${vmuuid}" found"
exit 2
fi
# Check the power state of the vm
name=$(${XE} vm-list uuid=${vmuuid} params=name-label --minimal)
state=$(${XE} vm-list uuid=${vmuuid} params=power-state --minimal)
wasrunning=0
# If the VM state is running, we shutdown the vm first
if [ "${state}" = "running" ]; then
${XE} vm-shutdown uuid=${vmuuid}
${XE} event-wait class=vm power-state=halted uuid=${vmuuid}
wasrunning=1
fi
# destroy OLD C
${XE} vbd-destroy uuid=`${XE} vbd-list vm-uuid=${vmuuid} device=hda | /usr/bin/perl -e 'while (<STDIN>) { if (/^uuid.* ([^ ]*)$/) { $uuid = $1; } } print "$uuid";'`
#echo "destroy ok"
# get drivce c uuid
viduuid=$(${XE} vbd-list device=hda | /usr/bin/perl -e 'while (<STDIN>) { if (/vdi-uuid.* ([^ ]*)$/) { $uuid = $1; } if ( $find ) { last;} if (/vm-name-label $ RO$: win/) { $find="yes" } } print "$uuid";')
#echo ${viduuid}
# clone driver C
newviduuid=$(${XE} vdi-clone new-name-label=clone uuid=${viduuid})
#echo "${newviduuid}"
# inst new vbd
${XE} vbd-create vm-uuid=${vmuuid} device=hda vdi-uuid=${newviduuid} bootable=true type=Disk mode=RW

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