From ca541c98915fd42e79af7b93c831097d9efb86a8 Mon Sep 17 00:00:00 2001
From: Vasily Gotovko <vasily.gotovko@gmail.com>
Date: Mon, 5 Nov 2012 09:56:52 +0300
Subject: [PATCH] Add unicorn tasks

---
 Gemfile                   |  2 +-
 config/config.example.yml |  2 ++
 config/deploy.example.rb  | 23 +++++++++++++++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/Gemfile b/Gemfile
index d977433..d26d3fa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -95,7 +95,7 @@ group :test do
   gem 'timecop'
 end
 
-group :heroku do
+group :heroku, :production do
   gem 'unicorn'
 end
 
diff --git a/config/config.example.yml b/config/config.example.yml
index 86eb03f..532d549 100644
--- a/config/config.example.yml
+++ b/config/config.example.yml
@@ -53,6 +53,8 @@ deployment:
   repository: http://github.com/errbit/errbit.git
   user: deploy
   deploy_to: /var/www/apps/errbit
+  # setup path to unicorn pids folder (or deploy_to/shared/pids will be used)
+  # pids: /var/www/apps/errbit/shared/pids
 
 # GitHub OAuth configuration
 # If you want to allow authentication via GitHub, you will need to register
diff --git a/config/deploy.example.rb b/config/deploy.example.rb
index a134eed..1e1c771 100644
--- a/config/deploy.example.rb
+++ b/config/deploy.example.rb
@@ -39,6 +39,8 @@ set(:current_branch) { `git branch`.match(/\* (\S+)\s/m)[1] || raise("Couldn't d
 set :branch, defer { current_branch }
 
 after 'deploy:update_code', 'errbit:symlink_configs'
+# uncomment if unicorn is running on production (do not forget to setup config)
+# after 'deploy:restart', 'unicorn:stop'
 
 namespace :deploy do
   task :start do ; end
@@ -72,3 +74,24 @@ namespace :db do
   end
 end
 
+namespace :unicorn do
+  set(:unicorn_pid) do
+    path = config['pids'] || "#{deploy_to}/shared/pids"
+    "`cat #{path}/unicorn.pid`"
+  end
+
+  desc 'Reload unicorn'
+  task :reload, :roles => :app, :except => { :no_release => true } do
+    run "kill -HUP #{unicorn_pid}"
+  end
+
+  desc 'Stop unicorn'
+  task :stop, :roles => :app, :except => { :no_release => true } do
+    run "kill -QUIT #{unicorn_pid}"
+  end
+
+  desc 'Reexecute unicorn'
+  task :reexec, :roles => :app, :except => { :no_release => true } do
+    run "kill -USR2 #{unicorn_pid}"
+  end
+end
--
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