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# 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 saved 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 archives..."
sudo tar --exclude "*tech-support-archive*" zcf config.tgz /opt/vyatta/etc/config  >& /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 [ $REMOTE == "1" ]; then
  python3 -c "from vyos.remote import upload; upload(\"$OUT\", \"$1\")"
fi