README.md

piNAS

Files

• pinas.py
• tunnel.sh
• pack.sh
• traverse.sh
• etc/profile

Connections

+---------------+                                   +         +---------------+
|               | PUB IP              SSH           |         |               |
| Home     1234 <---------------------------------------------+         piNAS |
| Server        |                                   |         |               |
|            33 +---------------------------------------------> 1024          |
|               |          Reverse SSH tunnel       |         |               |
|               |                                   +         |               |
+---------------+                                  NAT        +---------------+

             ssh -f -N -p 1234 -C -R 33:localhost:1024 user@home

Prototype

etc-profile.sh

alias temp="cat /sys/bus/w1/devices/28-00000450bb38/w1_slave | tail -1 | cut -d'=' -f2"

pack.sh

!/bin/bash
pwd=`pwd`
name=$(basename "$pwd")
arch="$name.tar.xz.gpg"
echo $arch
rm -f Thumbs.db .picasa.ini

tar -cf - --verbose --to-stdout \
    --exclude="*picasa.ini" \
    --exclude="*Picasa.ini" \
    --exclude="*Thumbs.db" \
    --exclude=".Trash" \
    --exclude=".cache" \
    --exclude=".DS_Store" * | \
pxz -9 --threads=4 --stdout | \
gpg --batch -c --cipher-algo AES256 --passphrase PASSWORD -o "../$arch"

piNAS-ctrl.py

import os, sys
import wiringpi2 as wi
from time import sleep
import subprocess as sub

try:
    f=open('/var/run/pinas.pid', 'w')
    if f:
        f.write(str(os.getpid()))
        f.close()
except IOError:
    pass

class PiNAS():

    def __init__(self):
        self.led = 27
        self.button = 17
        self._setup_pins()
        self._led(True)

    def _setup_pins(self):
        wi.wiringPiSetupGpio()
        wi.pinMode(self.led, 1)
        wi.pinMode(self.button, 0)
        wi.pullUpDnControl(self.button, 2)

    def _led(self, state=False):
        wi.digitalWrite(self.led, state and 1 or 0)

    def _blink(self):
        for i in range(10):
            self._led(i % 2 > 0)
            sleep(0.2)
        self._led(True)

    def _but(self):
        return wi.digitalRead(self.button) == 0

    def watch(self):
        while True:
            if self._but():
                self._blink()
                self._led(True)
                sub.call(['shutdown', '-hP', 'now'])
                sys.exit(0)
            sleep(1)

if __name__ == '__main__':
    pin = PiNAS()
    pin.watch()

traverse.sh

#!/bin/bash
find $1 -mindepth 1 -maxdepth 1 -type d | sort | while read -r dir
do
	pushd "$dir"
	~/pack.sh
	sleep 1
	popd
done

tunnel.sh

LOCAL_PORT=3333
REMOTE_PORT=1488
SSH_PORT=1489
REMOTE_HOST=home
REMOTE_USER=satanowski
ID_FILE=/home/satanowski/.ssh/id_rsa

COMMAND="ssh -f -N -i $ID_FILE -p $SSH_PORT -C -R $LOCAL_PORT:localhost:$REMOTE_PORT $REMOTE_USER@$REMOTE_HOST"

case $1 in
    "start")
        echo "Starting tunnel"
        if [ -z $(pgrep -x -f "$COMMAND") ]
        then
            $COMMAND
        else
            echo "Tunnel is already ON"
        fi
        ;;

    "stop")
        echo "Stopping tunnel"
        pid=$(pgrep -x -f "$COMMAND")
        if [ -z $pid ]
        then
            "Tunel is OFF - nothing to stop"
        else
            kill -1 $pid
        fi
        ;;

    "status")
        echo -n "Tunel is: "
        if [ -z $(pgrep -x -f "$COMMAND") ]
        then
            echo "OFF"
        else
            echo "ON"
        fi
        ;;
    "check")
        if [ -z $(pgrep -x -f "$COMMAND") ]
        then
            $COMMAND
        fi
esac

Do not hesitate to point out my mistakes :-)