My Sprinkle script to setup a Continuous Integration server with Ruby 1.9/Jenkins/nginx/PostgreSQL

gistfile1.rb

# Sprinkle setup script for our CI server (Ruby 1.9/Git/PostgreSQL/nginx reverse proxy)
#
package :build_essential do
  description 'Build tools'
  apt 'build-essential' do
    # Update the sources and upgrade the lists before we build essentials
    pre :install, ['aptitude update', 'aptitude safe-upgrade', 'aptitude full-upgrade']
  end
end

package :ruby do
  description 'Ruby Virtual Machine'
  version '1.9.2'
  source "http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p290.tar.gz" do
    post :install, "gem update --system"
  end
  requires :ruby_dependencies
  verify do
    has_executable "ruby"
  end
end

package :ruby_dependencies do
  description 'Ruby Virtual Machine Build Dependencies'
  apt %w(bison zlib1g-dev libssl-dev libreadline5-dev libncurses5-dev file)
  verify do
    has_apt "bison"
    has_apt "zlib1g-dev"
    has_apt "libssl-dev"
    has_apt "libreadline5-dev"
    has_apt "libncurses5-dev"
    has_apt "file"
  end
end

package :git, :provides => :scm do
  description 'Git'
  apt 'git-core'
  verify do
    has_apt 'git-core'
  end
end

package :postgresql, :provides => :database do
  description 'PostgreSQL Database'
  apt %w(postgresql postgresql-client postgresql-contrib)
  verify do
    has_apt "postgresql"
    has_apt "postgresql-client"
    has_apt "postgresql-contrib"
  end
end

package :bundler do
  description "Bundler manages an application's dependencies"
  gem "bundler"
  verify do
    has_gem "bundler"
  end
end

package :imagemagick do
  description "Image Magick"
  apt "imagemagick"
  verify do
    has_apt "imagemagick"
  end
end

package :jenkins do
  description 'Jenkins CI Server'
  apt "jenkins" do
    pre :install, %{apt-get update}
  end
  requires :jenkins_apt_repository
  verify do
    has_apt "jenkins"
  end
end

package :jenkins_apt_repository do
  describe "APT sources for Jenkins"
  runner %{bash -c 'wget -q -O - http://pkg.jenkins-ci.org/debian/jenkins-ci.org.key | apt-key add -'}
  runner %{bash -c 'echo "deb http://pkg.jenkins-ci.org/debian binary/" > /etc/apt/sources.list.d/jenkins.list'}
  verify do
    has_file "/etc/apt/sources.list.d/jenkins.list"
  end
end

package :nginx, :provides => :webserver do
  describe "Nginx web server"
  apt "nginx"
  verify do
    has_apt "nginx"
  end
end

package :nginx_jenkins_site do
  description "Nginx Jenkins site"
  requires :nginx
  transfer "nginx_site", "/tmp" do
    post :install, ["mv /tmp/nginx_site /etc/nginx/sites-available/jenkins", "ln -s /etc/nginx/sites-available/jenkins /etc/nginx/sites-enabled/jenkins"]
  end
  verify do
    has_symlink "/etc/nginx/sites-enabled/jenkins"
  end
end

policy :ci, :roles => :app do
  requires :build_essential
  requires :scm
  requires :ruby
  requires :bundler
  requires :database
  requires :imagemagick
  requires :jenkins
  requires :webserver
  requires :nginx_jenkins_site
end

deployment do
  delivery :capistrano do
    recipes 'deploy'
  end

  source do
    prefix   '/usr/local'           # where all source packages will be configured to install
    archives '/usr/local/sources'   # where all source packages will be downloaded to
    builds   '/usr/local/build'     # where all source packages will be built
  end
end

nginx_site

server {
  listen          80;       # Listen on port 80 for IPv4 requests

  server_name     ci;
  root            /var/lib/jenkins;

  access_log      /var/log/nginx/jenkins_access.log;
  error_log       /var/log/nginx/jenkins_error.log;

  location / {

    # uncomment to protect via auth_basic
    #
    auth_basic            "Restricted";
    auth_basic_user_file /etc/jenkins_passwd;
    proxy_pass        http://127.0.0.1:8080/;

    proxy_redirect    off;
    proxy_set_header  Host             $http_host;
    proxy_set_header  X-Real-IP        $remote_addr;
    proxy_set_header  X-Forwarded-For  $proxy_add_x_forwarded_for;

    # Optional configuration to detect and redirect iPhones
    if ($http_user_agent ~* '(iPhone|iPod)') {
      rewrite ^/$ /view/iphone/ redirect;
    }
  }
}