# implement "generate tech-support archive"
# usage: tech-support archive [ <filename> | <scp://> | <ftp://> ]

FLAG=2
REMOTE=0
DEFAULT_PATH=/opt/vyatta/etc/config/support
DEFAULT_GROUP=users
FILE_NAME=0

do_rotate ()
{
  local count=`ls -t $DEFAULT_PATH/*.tech-support-archive.* 2>/dev/null |wc -l`
  if (( count >= 5 )); then
    local dfile=`ls -t $DEFAULT_PATH/*.tech-support-archive.* 2>/dev/null |tail -1`
    rm -f $dfile >&/dev/null \
      && echo "Removed old tech-support output file '$dfile'"
  fi
}

HOSTNAME=`hostname`
CURTIME=`date +%F-%H%M%S`
 
  if [ -n "$1" ]; then
   if [[ "$1" =~ scp:///* ]]; then
     OUT="$HOSTNAME.tech-support-archive.$CURTIME"
     REMOTE="1"
   elif [[ "$1" =~ ftp:///* ]]; then
     OUT="$HOSTNAME.tech-support-archive.$CURTIME"
     REMOTE="1"
   else
      #file to be save locally
     OUT="$1.$HOSTNAME.tech-support-archive.$CURTIME"
   fi
  else
    OUT="$HOSTNAME.tech-support-archive.$CURTIME"
  fi

 if [[ $OUT != /* ]]; then
    FILE_NAME=$OUT
    do_rotate
    # it's not absolute path. save in default path.
    OUT="$DEFAULT_PATH/$OUT"
    mkdir -p $OUT >& /dev/null
    chgrp $DEFAULT_GROUP $OUT >& /dev/null
    chmod 775 $OUT >& /dev/null
 else
    mkdir -p $OUT >& /dev/null
    chgrp $DEFAULT_GROUP $OUT >& /dev/null
    chmod 775 $OUT >& /dev/null
    FILE_NAME=`echo $OUT | sed -e 's/\//\n/g' | tail -1` 
 fi
builtin cd "$OUT"
echo "Saving the archivals..."
sudo tar -zcf config.tgz /opt/vyatta/etc/config --exclude "*tech-support-archive*" >& /dev/null
sudo tar -zcf etc.tgz /etc >& /dev/null 
sudo tar -zcf home.tgz /home >& /dev/null
sudo tar -zcf var-log.tgz /var/log >& /dev/null 
sudo tar -zcf root.tgz /root >& /dev/null 
sudo tar -zcf tmp.tgz /tmp >& /dev/null
sudo tar -zcf core-dump.tgz /var/core >& /dev/null

builtin cd "../"
sudo tar -zcvf $FILE_NAME.tgz $FILE_NAME >& /dev/null 
sudo rm -r $FILE_NAME
OUT=$OUT.tgz 
echo "Saved tech-support archival at $OUT"

if [ $REMOTE == "1" ]; then
  perl /opt/vyatta/bin/vyatta-remote-copy.pl $1 $OUT $FLAG
fi

exit