capistrano, unicorn config

Capfile

@@ -23,3 +23,5 @@ require 'capistrano/rails/migrations'
 
 
 # Loads custom tasks from `lib/capistrano/tasks' if you have any defined.
 # Loads custom tasks from `lib/capistrano/tasks' if you have any defined.
 Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r }
 Dir.glob('lib/capistrano/tasks/*.cap').each { |r| import r }
+
+require 'capistrano3/unicorn'

Gemfile

@@ -25,6 +25,8 @@ gem 'jbuilder'
 
 
 gem 'i18n_generators'
 gem 'i18n_generators'
 
 
+gem 'unicorn'
+
 group :doc do
 group :doc do
   # bundle exec rake doc:rails generates the API under doc/api.
   # bundle exec rake doc:rails generates the API under doc/api.
   gem 'sdoc', require: false
   gem 'sdoc', require: false
@@ -77,6 +79,7 @@ group :development do
   gem 'capistrano-bundler', '~> 1.1.2'
   gem 'capistrano-bundler', '~> 1.1.2'
   gem 'capistrano-rails', '~> 1.1'
   gem 'capistrano-rails', '~> 1.1'
   gem 'capistrano-rbenv', '~> 2.0'
   gem 'capistrano-rbenv', '~> 2.0'
+  gem 'capistrano3-unicorn'
 end
 end
 
 
 group :development, :test do
 group :development, :test do

Gemfile.lock

@@ -80,6 +80,8 @@ GEM
     capistrano-rbenv (2.0.2)
     capistrano-rbenv (2.0.2)
       capistrano (~> 3.1)
       capistrano (~> 3.1)
       sshkit (~> 1.3)
       sshkit (~> 1.3)
+    capistrano3-unicorn (0.2.1)
+      capistrano (~> 3.1, >= 3.1.0)
     capybara (2.4.1)
     capybara (2.4.1)
       mime-types (>= 1.16)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       nokogiri (>= 1.3.3)
@@ -176,6 +178,7 @@ GEM
     json (1.8.1)
     json (1.8.1)
     jwt (0.1.11)
     jwt (0.1.11)
       multi_json (>= 1.5)
       multi_json (>= 1.5)
+    kgio (2.9.2)
     launchy (2.4.2)
     launchy (2.4.2)
       addressable (~> 2.3)
       addressable (~> 2.3)
     libv8 (3.16.14.3)
     libv8 (3.16.14.3)
@@ -276,6 +279,7 @@ GEM
       rake (>= 0.8.7)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.0.0)
     rainbow (2.0.0)
+    raindrops (0.13.0)
     rake (10.3.2)
     rake (10.3.2)
     rb-fsevent (0.9.4)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.5)
     rb-inotify (0.9.5)
@@ -377,6 +381,10 @@ GEM
     unf (0.1.4)
     unf (0.1.4)
       unf_ext
       unf_ext
     unf_ext (0.0.6)
     unf_ext (0.0.6)
+    unicorn (4.8.3)
+      kgio (~> 2.6)
+      rack
+      raindrops (~> 0.7)
     validates_email_format_of (1.5.3)
     validates_email_format_of (1.5.3)
     warden (1.2.3)
     warden (1.2.3)
       rack (>= 1.0)
       rack (>= 1.0)
@@ -401,6 +409,7 @@ DEPENDENCIES
   capistrano-bundler (~> 1.1.2)
   capistrano-bundler (~> 1.1.2)
   capistrano-rails (~> 1.1)
   capistrano-rails (~> 1.1)
   capistrano-rbenv (~> 2.0)
   capistrano-rbenv (~> 2.0)
+  capistrano3-unicorn
   capybara
   capybara
   coderay
   coderay
   coffee-rails
   coffee-rails
@@ -442,4 +451,5 @@ DEPENDENCIES
   thin
   thin
   turnip
   turnip
   uglifier
   uglifier
+  unicorn
   validates_email_format_of
   validates_email_format_of

config/deploy.rb

@@ -6,9 +6,10 @@ set :repo_url, 'git@github.com:tadyjp/rendezvous.git'
 
 
 # Default branch is :master
 # Default branch is :master
 # ask :branch, proc { `git rev-parse --abbrev-ref HEAD`.chomp }
 # ask :branch, proc { `git rev-parse --abbrev-ref HEAD`.chomp }
+set :branch, fetch(:branch, "master")
 
 
 # Default deploy_to directory is /var/www/my_app
 # Default deploy_to directory is /var/www/my_app
-set :deploy_to, '/var/rails/rendezvous'
+set :deploy_to, '/var/www/rendezvous'
 
 
 # Default value for :scm is :git
 # Default value for :scm is :git
 # set :scm, :git
 # set :scm, :git
@@ -35,32 +36,53 @@ set :linked_dirs, %w{bin log tmp/pids tmp/cache tmp/sockets vendor/bundle public
 set :keep_releases, 5
 set :keep_releases, 5
 
 
 set :rbenv_type, :system
 set :rbenv_type, :system
-set :rbenv_ruby, '2.0.0-p353'
+set :rbenv_ruby, '2.1.2'
 set :rbenv_prefix, "RBENV_ROOT=#{fetch(:rbenv_path)} RBENV_VERSION=#{fetch(:rbenv_ruby)} #{fetch(:rbenv_path)}/bin/rbenv exec"
 set :rbenv_prefix, "RBENV_ROOT=#{fetch(:rbenv_path)} RBENV_VERSION=#{fetch(:rbenv_ruby)} #{fetch(:rbenv_path)}/bin/rbenv exec"
 set :rbenv_map_bins, %w{rake gem bundle ruby rails}
 set :rbenv_map_bins, %w{rake gem bundle ruby rails}
 set :rbenv_roles, :all # default value
 set :rbenv_roles, :all # default value
 
 
-after 'deploy:publishing', 'deploy:restart'
+# namespace :deploy do
+#   desc 'Restart application'
+#   task :restart do
+#     on roles(:app), in: :sequence, wait: 5 do
+#       # Your restart mechanism here, for example:
+#       execute :touch, release_path.join('tmp/restart.txt')
+#     end
+#   end
+
+#   after 'deploy:publishing', 'deploy:restart'
+#   after :publishing, :restart
+
+#   after :restart, :clear_cache do
+#     on roles(:web), in: :groups, limit: 3, wait: 10 do
+#       # Here we can do anything such as:
+#       within release_path do
+#         execute :rake, 'tmp:clear'
+#       end
+#     end
+#   end
+# end
 
 
+after 'deploy:publishing', 'deploy:restart'
 namespace :deploy do
 namespace :deploy do
-
-  desc 'Restart application'
   task :restart do
   task :restart do
-    on roles(:app), in: :sequence, wait: 5 do
-      # Your restart mechanism here, for example:
-      execute :touch, release_path.join('tmp/restart.txt')
-    end
+    invoke 'unicorn:restart'
   end
   end
+end
 
 
-  after :publishing, :restart
-
-  after :restart, :clear_cache do
-    on roles(:web), in: :groups, limit: 3, wait: 10 do
-      # Here we can do anything such as:
-      within release_path do
-        execute :rake, 'tmp:clear'
+namespace :linked_files do
+  desc 'Touches all your linked files'
+  task :touch do
+    on release_roles :all do
+      within shared_path do
+        fetch(:linked_files, []).each do |file|
+          execute :touch, file
+          info "Touched: #{file}"
+        end
       end
       end
     end
     end
   end
   end
 
 
+  before 'deploy:check:make_linked_dirs', 'linked_files:touch'
+  before 'deploy:check:linked_files', 'linked_files:touch'
 end
 end

config/unicorn.rb

+# paths
+app_path = "/var/www/rendezvous"
+working_directory "#{app_path}/current"
+pid               "#{app_path}/current/tmp/pids/unicorn.pid"
+
+# listen
+listen "/tmp/unicorn-rendezvous.socket", :backlog => 64
+
+# logging
+stderr_path "log/unicorn.stderr.log"
+stdout_path "log/unicorn.stdout.log"
+
+# workers
+worker_processes 3
+
+# use correct Gemfile on restarts
+before_exec do |server|
+  ENV['BUNDLE_GEMFILE'] = "#{app_path}/current/Gemfile"
+end
+
+# preload
+preload_app true
+
+before_fork do |server, worker|
+  # the following is highly recomended for Rails + "preload_app true"
+  # as there's no need for the master process to hold a connection
+  if defined?(ActiveRecord::Base)
+    ActiveRecord::Base.connection.disconnect!
+  end
+
+  # Before forking, kill the master process that belongs to the .oldbin PID.
+  # This enables 0 downtime deploys.
+  old_pid = "#{server.config[:pid]}.oldbin"
+  if File.exists?(old_pid) && server.pid != old_pid
+    begin
+      Process.kill("QUIT", File.read(old_pid).to_i)
+    rescue Errno::ENOENT, Errno::ESRCH
+      # someone else did our job for us
+    end
+  end
+end
+
+after_fork do |server, worker|
+  if defined?(ActiveRecord::Base)
+    ActiveRecord::Base.establish_connection
+  end
+end