Updated unicorn config

Updated gem versions
Removed foreman

.env.example

@@ -1,7 +1,9 @@
 RAILS_ENV=
 APP_SECRET=
 
-UNICORN_WORKERS=3
+UNICORN_USER=deploy
+UNICORN_GROUP=deploy
+UNICORN_WORKERS=4
 UNICORN_PORT=5000
 UNICORN_SOCKET=/tmp/unicorn.ensl.sock
 

Capfile

@@ -3,5 +3,6 @@ require 'capistrano/deploy'
 require 'capistrano/rbenv'
 require 'capistrano/bundler'
 require 'capistrano/rails'
+require 'capistrano3/unicorn'
 
 Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r }

Gemfile

@@ -4,22 +4,20 @@ ruby '2.1.1'
 
 gem 'rails', '~> 3.2.17'
 gem 'mysql2', '~> 0.3.15'
-gem 'foreman', '~> 0.63.0'
 
 # Libraries
-gem 'jquery-rails'
+gem 'jquery-rails', '~> 2.0.2'
 gem 'sass-rails'
 gem 'coffee-rails'
 gem 'gruff'
 gem 'nokogiri'
-gem 'carrierwave'
 gem 'rbbcode'
-gem 'tinymce-rails'
+gem 'tinymce-rails', '~> 3.5.4.1'
+gem 'carrierwave', '~> 0.10.0'
 gem 'bluecloth', '~> 2.2.0'
-gem 'bb-ruby'
+gem 'bb-ruby', '~> 1.0.4'
-gem 'therubyracer'
+gem 'therubyracer', '~> 0.12.1'
-gem 'acts_as_indexed'
+gem 'rmagick', '~> 2.13.2', require: false
-gem 'rmagick', require: false
 gem 'will_paginate', git: 'https://github.com/p7r/will_paginate.git', branch: 'rails3'
 gem 'newrelic_rpm', '~> 3.7.2.195'
 
@@ -32,6 +30,7 @@ group :development do
   gem 'capistrano-rbenv', '~> 2.0.2'
   gem 'capistrano-bundler', '~> 1.1.2'
   gem 'capistrano-rails', '~> 1.1'
+  gem 'capistrano3-unicorn', '~> 0.1.1'
   gem 'annotate', '~> 2.6.2'
 end
 

Gemfile.lock

@@ -35,12 +35,11 @@ GEM
     activesupport (3.2.17)
       i18n (~> 0.6, >= 0.6.4)
       multi_json (~> 1.0)
-    acts_as_indexed (0.7.8)
     annotate (2.6.2)
       activerecord (>= 2.3.0)
       rake (>= 0.8.7)
     arel (3.0.3)
-    bb-ruby (0.9.5)
+    bb-ruby (1.0.4)
     bluecloth (2.2.0)
     builder (3.0.4)
     capistrano (3.1.0)
@@ -56,15 +55,19 @@ GEM
     capistrano-rbenv (2.0.2)
       capistrano (~> 3.1)
       sshkit (~> 1.3)
+    capistrano3-unicorn (0.1.1)
+      capistrano (>= 3.1.0)
     capybara (2.2.1)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    carrierwave (0.6.2)
+    carrierwave (0.10.0)
       activemodel (>= 3.2.0)
       activesupport (>= 3.2.0)
+      json (>= 1.7)
+      mime-types (>= 1.16)
     cliver (0.3.2)
     coderay (1.1.0)
     coffee-rails (3.2.2)
@@ -94,13 +97,6 @@ GEM
     factory_girl_rails (4.4.1)
       factory_girl (~> 4.4.0)
       railties (>= 3.0.0)
-    foreman (0.63.0)
-      dotenv (>= 0.7)
-      thor (>= 0.13.6)
-    foreman (0.63.0-x86-mingw32)
-      dotenv (>= 0.7)
-      thor (>= 0.13.6)
-      win32console (~> 1.3.0)
     given_core (3.5.4)
       sorcerer (>= 0.3.7)
     gruff (0.3.6)
@@ -173,7 +169,7 @@ GEM
     rdoc (3.12.2)
       json (~> 1.4)
     ref (1.0.5)
-    rmagick (2.13.1)
+    rmagick (2.13.2)
     rspec (2.14.1)
       rspec-core (~> 2.14.0)
       rspec-expectations (~> 2.14.0)
@@ -245,23 +241,22 @@ PLATFORMS
   x86-mingw32
 
 DEPENDENCIES
-  acts_as_indexed
   annotate (~> 2.6.2)
-  bb-ruby
+  bb-ruby (~> 1.0.4)
   bluecloth (~> 2.2.0)
   capistrano (~> 3.1.0)
   capistrano-bundler (~> 1.1.2)
   capistrano-rails (~> 1.1)
   capistrano-rbenv (~> 2.0.2)
+  capistrano3-unicorn (~> 0.1.1)
   capybara (~> 2.2.1)
-  carrierwave
+  carrierwave (~> 0.10.0)
   coffee-rails
   dalli (~> 2.7.0)
   dotenv-rails (~> 0.10.0)
   factory_girl_rails (~> 4.4.1)
-  foreman (~> 0.63.0)
   gruff
-  jquery-rails
+  jquery-rails (~> 2.0.2)
   kgio (~> 2.9.2)
   mysql2 (~> 0.3.15)
   newrelic_rpm (~> 3.7.2.195)
@@ -270,13 +265,13 @@ DEPENDENCIES
   pry-debugger (~> 0.2.2)
   rails (~> 3.2.17)
   rbbcode
-  rmagick
+  rmagick (~> 2.13.2)
   rspec-given (~> 3.5.4)
   rspec-rails (~> 2.14.1)
   sass-rails
   simplecov (~> 0.7.1)
-  therubyracer
+  therubyracer (~> 0.12.1)
-  tinymce-rails
+  tinymce-rails (~> 3.5.4.1)
   uglifier (~> 2.5.0)
   unicorn (~> 4.8.2)
   will_paginate!

INSTALL.md

@@ -1,32 +1,27 @@
-# Ubuntu 13.10 x64
+# Production Install (Ubuntu 13.10 x64 or Debian 7)
 
 ## Capistrano setup
 
-SSH as root, and install the basics
+SSH as a user with sudo access, update package lists and upgrade packages (new install only)
 
     sudo apt-get update
     sudo apt-get upgrade
 
-Create a deploy user. Disable password authentication and add it to the www-data group.
+Either use an existing sandboxed user account, or create a deploy user and disable password authentication. Instead, authenticate with a keypair.
 
     sudo adduser deploy
     sudo passwd -l deploy
-    sudo usermod -a -G www-data deploy
 
-Create a new upstart config and set permissions
+## Install Apache
 
-    touch /etc/init/ensl.conf
+    sudo apt-get install apache2 apache2-mpm-prefork
-    chown deploy /etc/init/ensl.conf
 
-Add the following to `/etc/sudoers` to allow the `deploy` user to manage nginx, rbenv and upstart commands via sudo without a password
+Now create the required directories, e.g. `/var/www/virtual/ensl.org/deploy`
-  
-    # /etc/sudoers
-    deploy  ALL=NOPASSWD:/etc/init.d/nginx
-    deploy  ALL=NOPASSWD:/home/deploy/.rbenv/bin/rbenv
-    deploy  ALL=NOPASSWD:/usr/sbin/service ensl start, /usr/sbin/service ensl stop, /usr/sbin/service ensl restart
 
 ## Install MySQL & Memcached
 
+You may need to re-configure MySQL. Use `sudo dpkg-reconfigure mysql-server-5.5`
+
     sudo apt-get install mysql-server mysql-client libmysqlclient-dev memcached
 
 Login to mysql as root, and create the database and user account:
@@ -37,23 +32,20 @@ Login to mysql as root, and create the database and user account:
 
 ## Install rbenv, ruby, bundler and Image Magick
 
-As root, install dependencies
+As a user with sudo, install dependencies
 
-    sudo apt-get install nginx git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libmysql-ruby imagemagick libmagickwand-dev
+    sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev imagemagick libmagickwand-dev
 
 Switch user to deploy, and install rbenv
 
     su deploy
     cd ~
     git clone git://github.com/sstephenson/rbenv.git .rbenv
-    echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.profile
     echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
-    echo 'eval "$(rbenv init -)"' >> ~/.profile
     echo 'eval "$(rbenv init -)"' >> ~/.bashrc
     exec $SHELL
 
     git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
-    echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.profile
     echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
     exec $SHELL
 
@@ -63,15 +55,14 @@ Switch user to deploy, and install rbenv
     echo "gem: --no-ri --no-rdoc" > ~/.gemrc
     gem install bundler
 
-Install the rbenv-sudo plugin
-
-    mkdir ~/.rbenv/plugins
-    git clone git://github.com/dcarley/rbenv-sudo.git ~/.rbenv/plugins/rbenv-sudo
-
 ## Install the ENSL site
 
 Create the `.env` file with the appropriate credentials.
 
-    mkdir /var/www/virtual/ensl.org/deploy
-    mkdir /var/www/virtual/ensl.org/deploy/shared
     touch /var/www/virtual/ensl.org/deploy/shared/.env
+
+# Deployment
+
+Use capistrano to deploy:
+    
+    bundle exec cap production deploy

Procfile

@@ -1 +0,0 @@
-web: bundle exec unicorn -c ./config/unicorn.rb

config/deploy.rb

@@ -3,6 +3,7 @@ lock '3.1.0'
 set :application, 'ensl'
 set :deploy_user, 'deploy'
 set :deploy_to, '/var/www/virtual/ensl.org/deploy'
+set :deploy_via, :remote_cache
 set :pty, true
 
 set :scm, :git
@@ -11,14 +12,18 @@ set :keep_releases, 10
 
 set :rbenv_type, :user
 set :rbenv_ruby, '2.1.1'
-set :rbenv_sudo, "sudo /home/#{fetch(:deploy_user)}/.rbenv/bin/rbenv sudo"
 
+set :unicorn_config_path, "config/unicorn.rb"
+set :unicorn_rack_env, fetch(:rails_env)
+
+set :writable_dirs, %w{public tmp}
 set :linked_files, %w{.env}
 set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle 
                      public/system public/local public/uploads}
 
-set :writable_dirs, %w{public tmp}
+set :normalize_asset_timestamps, %{public/images 
-set :normalize_asset_timestamps, %{public/images public/javascripts public/stylesheets}
+                                   public/javascripts
+                                   public/stylesheets}
 
 namespace :deploy do
   namespace :check do
@@ -38,43 +43,9 @@ namespace :deploy do
     end
   end
 
-  desc 'Restart application'
   task :restart do
-    invoke 'foreman:export'
+    invoke 'unicorn:restart'
-    invoke 'foreman:restart'
   end
 
   after :publishing, :restart
 end
-
-namespace :foreman do
-  desc "Export the Procfile to Ubuntu's upstart scripts"
-  task :export do
-    on roles(:app) do |host|
-      within release_path do
-        execute fetch(:rbenv_sudo), "bundle exec foreman export upstart /etc/init -a #{fetch(:application)} -u #{fetch(:deploy_user)} -l #{fetch(:deploy_to)}/shared/log"
-      end
-    end
-  end
-
-  desc "Start the application services"
-  task :start do
-    on roles(:app) do |host|
-      execute "sudo service #{fetch(:application)} start"
-    end
-  end
-
-  desc "Stop the application services"
-  task :stop do
-    on roles(:app) do |host|
-      execute "sudo service #{fetch(:application)} stop"
-    end
-  end
-
-  desc "Restart the application services"
-  task :restart do
-    on roles(:app) do |host|
-      execute "sudo service #{fetch(:application)} start || #{sudo} service #{fetch(:application)} restart"
-    end
-  end
-end

config/unicorn.rb

@@ -1,25 +1,33 @@
-worker_processes Integer(ENV['UNICORN_WORKERS'] || 3)
+base_path = "/var/www/virtual/ensl.org/deploy"
+current_path = "#{base_path}/current"
+shared_path = "#{base_path}/shared"
+
+working_directory current_path
+worker_processes Integer(ENV['UNICORN_WORKERS'] || 4)
 timeout 30
 preload_app true
 
-listen ENV['UNICORN_PORT']
+user ENV['UNICORN_USER'], ENV['UNICORN_GROUP']
-listen ENV['UNICORN_SOCKET']
+listen Integer(ENV['UNICORN_PORT'] || 4000), :tcp_nopush => true
+listen ENV['UNICORN_SOCKET'], :backlog => 64
+ 
+stderr_path "#{shared_path}/log/unicorn.stderr.log"
+stdout_path "#{shared_path}/log/unicorn.stdout.log"
+pid "#{shared_path}/tmp/pids/unicorn.pid"
  
 before_fork do |server, worker|
-  Signal.trap 'TERM' do
+  ActiveRecord::Base.connection.disconnect!
-    puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
-    Process.kill 'QUIT', Process.pid
-  end
  
-  defined?(ActiveRecord::Base) and
+  old_pid = "#{server.config[:pid]}.oldbin"
-    ActiveRecord::Base.connection.disconnect!
+
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      Process.kill('QUIT', File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+    end
+  end
 end
  
 after_fork do |server, worker|
-  Signal.trap 'TERM' do
+  ActiveRecord::Base.establish_connection
-    puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'
-  end
-
-  defined?(ActiveRecord::Base) and
-    ActiveRecord::Base.establish_connection
 end