Rake::RemoteChef

Rake::RemoteChef can run chef-solo on remote host using local Rake.

Installation

Add this line to your application's Gemfile:

gem 'rake-remote_chef'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rake-remote_chef

Usage

$ rake chef:bootstrap   # first time only. (Install chef-solo on remote host.)
$ rake chef:solo

Setup

Create a config file, usually in 'config/chef.rb'

set :application,     "SetupServers"
set :user,            'ubuntu'

# Setup roles for Hosts
# 'role' means Rake::RemoteTask role. (not Chef.)
role :role1, "#{user}@host1.example.com"
role :role2, "#{user}@host2.example.com"

# Setup run_list for roles
run_list :role1, ['recipe[apache]', 'recipe[monit]']
run_list :role2, ['recipe[ruby]', 'recipe[thin]', 'recipe[my_app]']

Create attributes file, usually in 'config/attributes/default.yml.erb' and 'config/attributes/#role_name.yml.erb'.

default.yml.erb is used from all roles for default attributes.

host: <%= target_host.split('@').last %>
env:
  http_proxy: 'http://proxy.host:port'
  https_proxy: 'https://proxy.host:port'
  no_proxy: '192.168.*.*'

nats_server:
  host: <%= all_roles[:nats_server].keys.first.split('@').last %>
  port: 4222
  user: nats
  password: nats

'config/attributes/#role_name.yml.erb' contains role specific attributes.

router:
  index: <%= index_of_role(:router) %>
apache:
  dir: '/etc/apache2'
  log_dir: '/var/log/apache2'

Add the folloing to your Rakefile:

require 'rake/remote_chef'
Rake::RemoteChef.load

Set up Chef Repository

usually in './chef-repo' directory.

chef-repo/
    cookbooks/
    data_bags/
    roles/

chef-repo directory contains cookbooks, data_bags and roles direcotry.

Bootstrap for chef-solo on remote host

Run rake chef:bootstrap install chef to your remote host.

Execute chef-solo

Run rake chef:solo execute chef-solo on your remote host.

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request