Domain Cloning

   1 #!/bin/sh
   2 
   3 LVM_GROUP="vg2"
   4 
   5 NAME_ORIGINAL="stretch-template"
   6 LVM_NAME_ORIGINAL="kvm_${NAME_ORIGINAL}_vda"
   7 LVM_SIZE_ORIGINAL=`lvs /dev/${LVM_GROUP}/${LVM_NAME_ORIGINAL} -o LV_SIZE --noheadings --units B --nosuffix`
   8 NAME_CLONE="stretch-clone"
   9 LVM_NAME_CLONE="kvm_${NAME_CLONE}_vda"
  10 
  11 
  12 if [ $# -eq 0 ]
  13 then
  14         echo "${0}: domain-name"
  15 else
  16         NAME_CLONE=${1}
  17         LVM_NAME_CLONE="kvm_${NAME_CLONE}_vda"
  18 fi
  19 
  20 if [ ! -e /dev/${LVM_GROUP}/${LVM_NAME_CLONE} ]
  21 then
  22         # create lvm partition
  23         lvcreate --size ${LVM_SIZE_ORIGINAL}B --name ${LVM_NAME_CLONE} ${LVM_GROUP}
  24 
  25         # clone the domain
  26         virt-clone --original ${NAME_ORIGINAL} --name ${NAME_CLONE} --file /dev/${LVM_GROUP}/${LVM_NAME_CLONE} --check path_in_use=off,path_exists=off
  27 else
  28         echo "${0}: refusing to overwrite existing domain"
  29 fi