NOCH stands for Notify On CHange. Suppose you have a job running scheduled to check something. Every execution will have a result and you'll want to notify when something go wrong. Ok, if several times the result is the same...Do you want to notify every time the job run for the same result? If you do not, NOCH can help you with this kind of situations. NOCH will notify when status change its value by using four simple methods

ok!

warning!

critical!

skip!

Notifications about the change of the status are sent to Slack channel and or Telegram group You can send a customized message to each method. And data can be saved

Sending only a message:

warning! 'Value is higher than 50'

Sending message and data

critical! message: 'System outage', data:{ status: '504'}

This uses Redis to save states.

Add this line to your application's Gemfile:

gem 'noch'

And then execute:

$ bundle

Or install it yourself as:

$ gem install noch

Create a file with a name you want.

# my_alert_script.rb

# SLACK 00000000000000000
# TELEGRAM 111111111111

include NOCH

if everything_is_ok?
  ok! "We are rocking!"
else
  critical! message: 'mmlpqtp', data: {pasaron: 'cosas'}
end

Run it!

TELEGRAM_TOKEN=<your_telegram_bot_token> TELEGRAM_USER= SLACK_API_TOKEN=<your_slack_api_token> REDIS_HOST= REDIS_PORT= ruby my_alert_script.rb

Just run rake test to run the tests and ensure all pass.

To install this gem onto your local machine, run bundle exec rake install.

Bug reports and pull requests are welcome on GitHub at https://github.com/romanrod/noch.