Rename a libvirt domain.

virsh-rename

#!/bin/sh
#
# Rename a domain.
# Note: The domain must be shutdown.
#

die() {
    echo $1 >&2
    exit 1
}

oldname=$1
newname=$2
if [ "x$oldname" = "x" -o "x$newname" = "x" ]; then
    die "usage: virsh-rename <oldname> <newname>"
fi

if virsh list --all --name | grep -q "^$oldname$"; then
    :
else
    die "$oldname not found."
fi
if virsh list --all --name | grep -q "^$newname$"; then
    die "$newname already exists."
fi
if virsh list --all --state-shutoff --name | grep -q "^$oldname$"; then
    :
else
    die "$oldname is not shutoff."
fi

xml=`tempfile --prefix=virsh --suffix=.xml` || die "failed to create tmp file"
virsh dumpxml $oldname | sed "s@<name>$oldname</name>@<name>$newname</name>@" > $xml
virsh undefine $oldname || die "failed to undefine $oldname"
virsh define $xml || die "failed to define $newname"
rm $xml