#!/bin/sh
# copyright (C) 2013-2014 FUJITSU LIMITED All Rights Reserved

# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2
# of the License.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
# 02110-1301, USA.

# check root
if [ ${EUID:-${UID}} != 0 ]; then
    echo "error: Because you are not root, you cannot execute this command. "
    exit 1
fi

# check args
if [ $# -lt 1 ]; then
	echo "usage lxcf resume LXCNAME ..."
	exit 1
fi

lsdir() {
  ls -f --ind=none $1 | sed '/^\.\{1,2\}$/d'
}


# When uuid is specified, the container name is returned. 
uuid2name() {
  NAME=$1
  if [ -d /opt/lxcf/${NAME} ]; then
    echo -n $NAME
    return
  fi
  for i in `lsdir /etc/lxcf/rsc`
  do
     if [ x$NAME == x`cat /etc/lxcf/rsc/${i}/uuid` ]; then
       echo -n $i
       return
     fi
  done
  echo -n $NAME
}

# resume containers of args
for i in $*
do
  LXCNAME=`uuid2name ${i}`

  if ! /usr/lib64/lxcf/lxcf-parmchk-cname $LXCNAME ; then
    echo "error:" $LXCNAME "is not a container name"
    echo "        The container name must be alphanumeric character, \"-\", and \"_\"."
    continue
  fi

  if [ ! -e /opt/lxcf/${LXCNAME} ] ; then
    echo "error:" $LXCNAME "is the unknown container name"
    continue
  fi

  /usr/bin/virsh -c lxc:/// resume ${LXCNAME} >& /dev/null
  echo ${LXCNAME} "is resumed."

done

exit 0



