#!/bin/bash

#FULL System Backup Script of remote system
INFO="$1"
RPORT=22
SSH_CONF="/tmp/null"
echo -n >$SSH_CONF

# user:pass@host
RUSER="`echo $1|cut -d\@ -f1|cut -d: -f1`"
RPASS="`echo $1|cut -d\@ -f1|cut -d: -f2`"
RHOST="`echo $1|cut -d\@ -f2|cut -d: -f1`"
if [ "$RUSER" == "" ] || [ "$RPASS" == "" ] || [ "$RHOST" == "" ]
then
  echo "USE: $0 user:pass@host[:port]"
  exit 1
fi
if [ "`echo $1|cut -d\@ -f2|grep ':'`" != "" ] \
&& [ "`echo $1|cut -d\@ -f2|cut -d: -f2`" != "" ]
then
  RPORT="`echo $1|cut -d\@ -f2|cut -d: -f2`"
fi
SSH_OPT="-F $SSH_CONF -o StrictHostKeyChecking=no -o SendEnv=no -o HashKnownHosts=no"
SSH_OPT="$SSH_OPT -p $RPORT"

DATENOW="`date +%Y%m%d-%H%M`"
#BACKUPDIR="/Backups/full"
BACKUPDIR="`pwd`"
#MAXMB="$((1024*10))" #10GB Max partn size, or skip
MAXMB="$((`df $BACKUPDIR|grep -v '^File'|sed 's/ * / /g'|cut -d\  -f4`/1024))"
(
echo
echo "$0 $* - USER:$RUSER HOST:$RHOST PORT:$RPORT DATE:$DATENOW BACKUPDIR:$BACKUPDIR MAXMB:$MAXMB"

mkdir -p $BACKUPDIR
cd $BACKUPDIR
mkdir -p $RHOST
cd $RHOST

echo "Starting `date +%Y%m%d-%H%M` in `pwd`"

#Get device info
echo "-Fetching device info"
sshpass -p $RPASS ssh $SSH_OPT $RUSER@$RHOST "uname -a" | strings > remote_full_backup.tmp.$RHOST.info || exit 1

#Get list of devices
#echo "-Fetching list of devices"
#sshpass -p $RPASS ssh $SSH_OPT $RUSER@$RHOST "fdisk -l 2>>/dev/null || apt-get -y --force-yes install diskdev-cmds >>/dev/null && fdisk -l" | strings > remote_full_backup.tmp.$RHOST.fdisk || exit 1

#Get list of remote partitions
echo "-Fetching list of mounted devices"
sshpass -p $RPASS ssh $SSH_OPT $RUSER@$RHOST "mount" | strings > remote_full_backup.tmp.$RHOST.mounts || exit 1

#get list of mounted devices
echo "-Fetching list of mounted device usage"
sshpass -p $RPASS ssh $SSH_OPT $RUSER@$RHOST "df" | strings > remote_full_backup.tmp.$RHOST.df || exit 1

echo -n >remote_full_backup.tmp.dosh

cat remote_full_backup.tmp.$RHOST.mounts | \
grep -v 'gvfs-fuse-daemon\|tmpfs\|proc\|sys\|procbususb\|sysfs\|udev\|tmpfs\|devpts\|cifs\|^$' | \
cut -d\  -f1,3 | \
while read DEV DIR
do
  if [ "$DEV" == "" ]
  then
    continue
  fi
  echo "DEV:$DEV"
  if [ "$DIR" == "" ]
  then
    echo "DIR:\"$DIR\" -- ERM?"
    exit 1
    continue
  fi
  echo "DIR:$DIR"
  SIZEKB="`cat remote_full_backup.tmp.$RHOST.df|grep \" $DIR\$\"|sed 's/ * / /g'|cut -d\  -f3`"
#  echo "SIZEKB:\"$SIZEKB\""
  SIZE="$(($SIZEKB / 1024))"
  echo "SIZE:${SIZE}MB"
#  echo "DEV:$DEV DIR:$DIR SIZE:$SIZE MB"
#  if [ "$DEV" == "$BACKUP_DEV" ]
#  then
#    echo "--SKIPPING $DEV (is backupdev $BACKUPDEV)"
#    continue
#  fi
  echo "Checking size limit"
  if [ $SIZE -gt $MAXMB ]
  then
    echo "--SKIPPING $DEV -- $SIZE > $MAXMB MB"
    continue
  fi

  XDEV="`basename $DEV`"
  echo "Adding $XDEV ($DEV on $DIR)"
  cat <<EOF >>remote_full_backup.tmp.dosh
echo "Backing up $XDEV ($DEV on $DIR @ $RHOST"
sshpass -p $RPASS ssh $SSH_OPT $RUSER@$RHOST "tar --one-file-system -cvzf - -C / $DIR" > $RHOST.$DATENOW.$XDEV.tar.gz 2>> $RHOST.$DATENOW.$XDEV.log
EOF
  echo "Done."
  echo
#  continue
done

echo "-Running backup"
sh remote_full_backup.tmp.dosh

#du -ms $HOST.$DATENOW.*.tar
du -ms *

#MYDEV="`df -h .|grep -v '^Filesystem\|^$'|cut -d\  -f1`"
#ISNETFS="`mount|grep \"^$MYDEV\"|grep cifs`"
#if [ "$ISNETFS" != "" ]
#then
#  echo "--Not compressing files on $DEV (is backupdev $BACKUPDEV)"
#else
#  echo "Compressing"
#  bzip2 -9 $RHOST.$DATENOW.*
#fi
#if [ "$ISNETFS" != "" ]
#then
#  echo "--Not compressing files on $DEV (is backupdev $BACKUPDEV)"
#else
#  echo "Compressing"
#  bzip2 -9 $RHOST.$DATENOW.*
#fi

du -ms $RHOST.$DATENOW.*

#rm remote_full_backup.tmp.*
rm $SSH_CONF

echo "Completed `date +%Y%m%d-%H%M`"
echo

) 2>&1 | tee -a remote_full_backup.log