#!/bin/bash

# -------------------------------------------------------------------------- #
# Copyright 2002-2015, OpenNebula Project (OpenNebula.org), C12G Labs        #
#                                                                            #
# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
# not use this file except in compliance with the License. You may obtain    #
# a copy of the License at                                                   #
#                                                                            #
# http://www.apache.org/licenses/LICENSE-2.0                                 #
#                                                                            #
# Unless required by applicable law or agreed to in writing, software        #
# distributed under the License is distributed on an "AS IS" BASIS,          #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
# See the License for the specific language governing permissions and        #
# limitations under the License.                                             #
#--------------------------------------------------------------------------- #

# mvds host:remote_system_ds/disk.i fe:SOURCE vmid dsid
#   - fe is the front-end hostname
#   - SOURCE is the path of the disk image in the form DS_BASE_PATH/disk
#   - host is the target host to deploy the VM
#   - remote_system_ds is the path for the system datastore in the host
#   - vmid is the id of the VM
#   - dsid is the target datastore (0 is the system datastore)

SRC=$1
DST=$2

VMID=$3
DSID=$4

if [ -z "${ONE_LOCATION}" ]; then
    TMCOMMON=/var/lib/one/remotes/tm/tm_common.sh
    VMWARERC=/etc/one/vmwarerc
else
    TMCOMMON=$ONE_LOCATION/var/remotes/tm/tm_common.sh
    VMWARERC=$ONE_LOCATION/etc/vmwarerc
fi

. $TMCOMMON

#-------------------------------------------------------------------------------
# Retrieve needed information, Example (same for SRC)
#  SRC       : esx1:/vmfs/volumes/105/90/disk.0
#  DST       : one:/vmfs/volumes/104/84045f4a
#  SRC_PATH  : /vmfs/volumes/105/90/disk.0
#  SRC_DISK  : /vmfs/volumes/105/90/disk.0/disk.vmdk
#  SRC_HOST  : esx1
#-------------------------------------------------------------------------------

SRC_PATH=`arg_path $SRC`
DST_PATH=`arg_path $DST`

SRC_DISK="$SRC_PATH/disk.vmdk"
DST_DISK="$DST_PATH/disk.vmdk"

SRC_HOST=`arg_host $SRC`

#-------------------------------------------------------------------------------
# Move the image back to the datastore
#-------------------------------------------------------------------------------

log "Moving $SRC to $DST"

MVSCRIPT=$(cat <<EOF

SRC_DISK_LN=\$($READLINK -f $SRC_DISK)
DST_DISK_LN=\$($READLINK -f $DST_DISK)

if [ \( -L $SRC_DISK \) -a \( "\$SRC_DISK_LN" = "\$DST_DISK_LN" \) ]; then
    echo "Not moving files to image repo, they are the same"
elif [ -L "$SRC_PATH.iso" ]; then
    echo "Not moving the file it is a CDROM"
else
    mkdir -p $DST_PATH
    $VMKFSTOOLS -U $DST_DISK
    $VMKFSTOOLS -i $SRC_DISK -d thin $DST_DISK

    if [ -d $DST_PATH ]; then
        chmod 0770 $DST_PATH
    else
        chmod 0660 $DST_PATH
    fi
fi

EOF
)

ssh_exec_and_log $SRC_HOST "$MVSCRIPT" "Could not move image $SRC to $DST"

exit 0
