#!/bin/bash 

REMOTE_RSYNC=root@se.imbg.org.ua::OWNCLOUD
LOCAL_MOUNT=/dev/shm/owncloud-backup
LOCAL_LV=/dev/owndata/data
BACKUP_PATH=/root/backup
LOCK_FILE=/var/lock/owncloud-rsync

[ -f "$LOCK_FILE" ] && exit 0
trap "rm -f $LOCK_FILE" EXIT SIGINT SIGTERM
touch "$LOCK_FILE"

source "${BACKUP_PATH}/libbackup.sh"

if ! check_lvm "$LOCAL_LV"; then 
    echo "Cannon find logical volume $LOCAL_LV. Exiting"
    exit 1
fi

lv_snap=$( get_lvm_snapshot "$LOCAL_LV" 100 )

mkdir -p "$LOCAL_MOUNT"
mount -oro "$lv_snap" "$LOCAL_MOUNT"

do_rsync "$LOCAL_MOUNT" "$REMOTE_RSYNC"
if [ $? -ne 0 ]; then 
	echo "Failed to rsync data. Turning on verbosity to catch the error"
	export RSYNC_VERBOSE=1
	do_rsync "$LOCAL_MOUNT" "$REMOTE_RSYNC"
fi

umount "$lv_snap"
remove_lvm_snapshot "$lv_snap"