vps-traffic-bot's Introduction

vps-traffic-bot

simple telegram-bot based on vnStat utility that shows how much traffic you spent this month

Installation

1. Install requirements

Install ruby with bundler

# mpapis public key used to verify installation package to ensure security.
gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
# RVM stable with ruby and bundler (may take a while)
sudo \curl -sSL https://get.rvm.io | bash -s stable --gems=bundler

Install vnstat
```
sudo apt-get install vnstat
```

2. Setup an application

add a new user, clone repo to it's ~, install dependencies locally

sudo adduser trafficbot_app
su trafficbot_app
cd ~ 
git clone https://github.com/frostbolt/vps-traffic-bot
cd vps-traffic-bot
bundle install --path vendor/bundle

create bot with @botfather, place your token to config.yml
check if everything is OK
```
bundle exec ruby app.rb
```
make sure to exit so you return to your usual user

3. Create a systemctl service

run nano /usr/lib/systemd/system/vpstrafficbot.service, insert the following fragment

[Unit]
Description=telegram bot for checking network adapter TX packages
After=syslog.target network.target remote-fs.target nss-lookup.target

[Service]
Type=simple
User=trafficbot_app
Group=trafficbot_app

WorkingDirectory=/home/trafficbot_app/vps-traffic-bot
PIDFile=/home/trafficbot_app/vps-traffic-bot/vps-traffic-bot.pid

ExecStart=/bin/bash -lc 'bundle exec ruby app.rb'
ExecStop=/bin/kill -s TERM $MAINPID ; /bin/sleep 1
TimeoutSec=30
RestartSec=15s
Restart=always

[Install]
WantedBy=multi-user.target