#!/bin/bash

NFS_SHARE=/mnt/nfs
CONTROL_DOMAIN=`xe vm-list is-control-domain=true | grep -i -B1 control | grep uuid  | sed -e 's/[^:]*: //'`

function export_ALL
{
    if [ -z $SPECIFIC_VM ]; then
        ALL_VMS=`xe vm-list is-a-snapshot=false is-control-domain=false | grep uuid | sed -e 's/[^:]*: //'`
                AVAILABLE_VMS=`xe vm-list is-a-snapshot=false is-control-domain=false | grep name | sed -e 's/[^:]*: //' | grep -iv control`
    else
        SPECIFIC_VM="(${SPECIFIC_VM/,/|})"
        ALL_VMS=`xe vm-list is-a-snapshot=false is-control-domain=false | egrep -B1 $SPECIFIC_VM | grep uuid | sed -e 's/[^:]*: //'`
        AVAILABLE_VMS=`xe vm-list is-a-snapshot=false is-control-domain=false | egrep $SPECIFIC_VM | sed -e 's/[^:]*: //' | grep -iv control`
    fi
    echo "About to export the following VM's..."
    for VM_NAME in $AVAILABLE_VMS
        do
            echo $VM_NAME
        done
    if [ ! -d $NFS_SHARE ]; then
        mkdir -p $NFS_SHARE
    fi
    #mount -t cifs -o username=windows_user,password=windows_password //windowsIP/Windowsshare/ $NFS_SHARE
    for uuid in $ALL_VMS
                do
            UUID2NAME=`xe vm-list | grep -A1 $uuid | grep name | sed -e 's/[^:]*: //'`
            SNAPUUID=`xe vm-snapshot vm=$uuid new-name-label=$UUID2NAME-backup`
            xe template-param-set is-a-template=false uuid=$SNAPUUID
            xe vm-export vm=$SNAPUUID filename=$NFS_SHARE/"$UUID2NAME".xva >/dev/null 2>&1
            #tar czf - $NFS_SHARE/"$UUID2NAME".xva | gzip -c > $NFS_SHARE/"$UUID2NAME".tgz
            tar czf $NFS_SHARE/"$UUID2NAME".tar.gz $NFS_SHARE/"$UUID2NAME".xva
            rm -f $NFS_SHARE/"$UUID2NAME".xva
            xe vm-uninstall uuid=$SNAPUUID force=true
                done
    cd ~
    umount -f $NFS_SHARE
        exit 0
}

function check_exit
{
        if [ $? -gt 0 ]; then
                echo "An error has occured, exiting."
                exit 1
        fi
}

while getopts ":-m:-l:" option
do
    case $option in
        m)SPECIFIC_VM=$OPTARG
        ;;
        *)
            echo "-m) Specify multiple VM's to move seperated by a comma."
            exit 1
        ;;
    esac
done

if [ -z "$SPECIFIC_VM" ]; then
    export_ALL
    exit 0
else
        export_ALL
    exit 0
fi
exit 1