Generate Groups of VMs from VMware shell

vmlauncher.sh

#
# Generate Groups of VMs from VMware shell
#
#!/bin/ash

usage="\n$(basename "$0") [-h] [-n int] [-b basename] [-t tpl_name] [-p /path/to/datastore] \n
        Example usage: $(basename "$0") -n 6 -b node -t CENTOS_TPL -p /vmfs/volumes/Datastore
        "

while getopts ":hn:b:t:p:" opt; do
  case "$opt" in
    n) NUM=$OPTARG
       ;;
    b) BASENAME=$OPTARG
       ;;
    t) TPL=$OPTARG
       ;;
    p) TPL_PATH=$OPTARG
       ;;
    h) echo -e "$usage"
       exit
       ;;
    :) printf "\nmissing argument for -%s\n" "$OPTARG" >&2
       echo -e "$usage" >&2
       exit 1
       ;;
   \?) printf "\nillegal option: -%s\n" "$OPTARG" >&2
       echo -e "$usage" >&2
       exit 1
       ;;
  esac
done

#set path if you want
#TPL_PATH=/vmfs/volumes/Datastore

if [ -z "${NUM//[0-9]/}" -a ! -z "$NUM" ]; then
    if [ -d "$TPL_PATH/$TPL" ]; then
        cd $TPL_PATH
        echo -e "\nCreating $NUM VM(s) from template: $TPL with basename: $BASENAME\n"
        for n in $(seq 1 $NUM); do
            NEW=$(printf "%s%02d" "$BASENAME" "$((n-1))")
            cp -a $TPL $NEW
            vmkfstools -E $NEW/$TPL.vmdk $NEW/$NEW.vmdk
            for i in $NEW/$TPL.*; do
                ext=$(echo $i |cut -d . -f2)
                mv $i $NEW/$NEW.$ext
            done
            sed -i s/$TPL/$NEW/g $NEW/$NEW.vmx
            vim-cmd solo/registervm $TPL_PATH/$NEW/$NEW.vmx
        done
    else
        printf "\nCannot locate template at - %s\nTry running vim-cmd vmsvc/getallvms\n" "$TPL_PATH/$TPL" >&2                                      
        echo -e "$usage" >&2                                                                            
        exit 1
    fi
else
    printf "\nSupplied option not a number - %s\n" "$NUM" >&2
    echo -e "$usage" >&2                                
    exit 1
fi