deploy.rb for Linode

deploy.rb

#$:.unshift(File.expand_path('./lib', ENV['rvm_path'])) # Add RVM's lib directory to the load path.
require 'bundler/capistrano'
require 'rvm/capistrano'
require "capistrano_colors"
require 'thinking_sphinx/deploy/capistrano'
require 'delayed/recipes'

set :normalize_asset_timestamps, false
set :rvm_type, :user
set :rvm_ruby_string, 'ruby-1.9.3-p125@appname' 

set :application, "appname"
set :repository,  "[email protected]:yourusername/repo.git"
set :deploy_to, "/home/deployfolder"
set :use_sudo, false

ssh_options[:port] = 30000
ssh_options[:forward_agent] = true
set :user, "username"

set :bundle_cmd, "/home/deployfolder/.rvm/gems/ruby-1.9.3-p125/bin/bundle"
set :bundle_flags, "--deployment --quiet --binstubs"
set :scm, :git

role :web, "ip address"                          
role :app, "ip address"                        
role :db,  "ip address", :primary => true 

namespace :deploy do
  task :start do ; end
  task :stop do ; end
  task :restart do ; end
end

namespace :uploads do
  task :symlink do
    run "cp #{shared_path}/database.yml #{release_path}/config"
  end
  task :restart do
    run "if [ -f /home/deployfolder/current/tmp/pids/unicorn.pid ]; then kill -s USR2 `cat /home/deployfolder/current/tmp/pids/unicorn.pid`;fi"
  end
end

namespace :compileassets do
  desc "Compress assets in a local file"
  task :compress_assets do
    run_locally("rm -rf public/assets/*")
    run_locally("bundle exec rake assets:precompile")
    run_locally("touch assets.tgz && rm assets.tgz")
    run_locally("tar zcvf assets.tgz public/assets/")
    run_locally("mv assets.tgz public/assets/")
  end

  desc "Upload assets"
  task :upload_assets do
    upload("public/assets/assets.tgz", release_path + '/assets.tgz')
    run "cd #{release_path}; tar zxvf assets.tgz; rm assets.tgz"
  end
end

task :before_update_code, :roles => [:app] do
  compileassets.compress_assets
  thinking_sphinx.stop
end

task :symlink_sphinx_indexes, :roles => [:app] do
  run "ln -nfs #{shared_path}/db/sphinx #{release_path}/db/sphinx"
end

task :after_update_code, :roles => [:app] do
  symlink_sphinx_indexes
  thinking_sphinx.configure
  thinking_sphinx.start
end

before "deploy:symlink", "compileassets:upload_assets"
after "deploy", "uploads:symlink", "deploy:migrate", "uploads:restart"