Enforcer

Enforce tasks defined by capistrano to consul cluster by attender notification.

Installation

Add this line to your application's Gemfile:

gem 'enforcer'

And then execute:

$ bundle

Or install it yourself as:

$ gem install enforcer

Usage

Build test environment

Create the following servers by Vagrant

Consul Server * 1 (include apache2 and ntp)
Consul Client * 1 (include apache2 and ntp)

> git clone git@github.com:foostan/enforcer.git
> cd enforcer
> vagrant up

Setup

> bundle install

Attender

> bundle exec attender 192.168.33.101
- server-01 service:apache2 # stop apache2 in server-01
- server-01 service:ntp     # stop ntp in server-01
+ server-01 service:apache2 # start apache2 in server-01
+ server-01 service:ntp     # start ntp in server-01
- client-01 serfHealth      # host down client-01
+ client-01 serfHealth      # host up client-01

Enforcer

> bundle exec attender 192.168.33.101 | bundle exec bin/ax
** Invoke test (first_time)
** Execute test
** Invoke load:defaults (first_time)
** Execute load:defaults
** Invoke fail:service:apache2 (first_time)
** Execute fail:service:apache2
Failing check service:apache2 of client-01

** Invoke test
** Invoke pass:service:apache2 (first_time)
** Execute pass:service:apache2
Passing check service:apache2 of client-01

Edit tasks

> editor lib/enforcer/capistrano/tasks/*.rake

Contributing

Fork it ( https://github.com/[my-github-username]/enforcer/fork )
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create a new Pull Request