Capistrano deployment for Drupal

deploy.rb

#load 'deploy' if respond_to?(:namespace) # cap2 differentiator
 
##################################
# Edit these
set :application, "APPLICATION_OR_SITE_NAME"
set :host, "SERVER_ADDRESS"
set :repository, "YOUR_GIT_REPO"
set :branch, "master"

set :deploy_to, "PATH_ON_SERVER_TO_DEPLOY_TO"

set :user, "YOUR_DEPLOYMENT_USER"
set :owner, "WHO_NEEDS_TO_OWN_THE_FILES"

set :mysql_user, "MYSQL_USER"
set :mysql_password, "MYSQL_PASSWORD"
set :mysql_db, "MYSQL_DATABASE"

####################################

set :copy_exclude, [".git/*", ".svn/*", ".DS_Store", "config/*"]
 
set :scm, :git
set :deploy_via, :remote_cache
role :app, host
set :use_sudo, false


set :keep_releases, 3

after "deploy:setup", "deploy:prepare_shared_paths"

after "deploy:update", "deploy:send_settings"

after "deploy:create_symlink", "deploy:restart"
after "deploy:update", "deploy:rsync_private_files"
after "deploy:update", "deploy:cleanup"


before "deploy", "deploy:fix_permissions"
after "deploy", "deploy:reset_permissions"

before "deploy:setup", "deploy:fix_permissions"
after "deploy:setup", "deploy:reset_permissions"



default_run_options[:pty] = true




namespace :deploy do

 
  task :prepare_shared_paths do
    run "mkdir -p #{shared_path}/sites"
    run "mkdir -p #{shared_path}/sites/all"
    run "mkdir -p #{shared_path}/sites/all/modules"
    run "mkdir -p #{shared_path}/sites/all/libraries"
    run "mkdir -p #{shared_path}/sites/default"
    run "mkdir -p #{shared_path}/sites/default/files"
  end


  task :send_settings do

    #CREATE A FILE IN CONFIG WITH A COPY OF YOUR SETTINGS FOR YOUR PRODUCTION BOX
    #THIS ALLOWS YOU TO HAVE MULTIPLE ENVIRONMENTS WITH SEPERATE MYSQL SETTINGS

    put File.read("config/settings_production.php"), "#{release_path}/sites/default/settings.php"
  end

  task :rsync_private_files do
      run "rsync -av #{release_path}/sites/default/files/ #{shared_path}/sites/default/files/"
      run "rsync -av #{release_path}/sites/all/modules/ #{shared_path}/sites/all/modules/"
      run "rsync -av #{release_path}/sites/all/libraries/ #{shared_path}/sites/all/libraries/"
      run "rm -rf  #{release_path}/sites/default/private; return 0"
      run "rm -rf  #{release_path}/sites/default/files"
      run "rm -rf  #{release_path}/sites/all/modules/"
      run "rm -rf  #{release_path}/sites/all/libraries/"

      run "ln -s #{shared_path}/sites/default/private #{release_path}/sites/default/private"
      run "ln -s #{shared_path}/sites/default/files #{release_path}/sites/default/files"
      run "ln -s #{shared_path}/sites/all/libraries #{release_path}/sites/all/libraries"
      run "ln -s #{shared_path}/sites/all/modules #{release_path}/sites/all/modules"
  end


  task :seed_database do

    seedfile = ENV['SEED_FILE'].nil? ? "config/seed.sql" : "config/#{ENV['SEED_FILE']}"
    put File.read(seedfile), "/tmp/#{application}_dbseed.sql"
    run "mysql -u #{mysql_user} -p#{mysql_password} -h localhost #{mysql_db} < /tmp/#{application}_dbseed.sql"
  end

  task :update_seed do
    run "mysqldump -u #{mysql_user} -p#{mysql_password} #{mysql_db} > /tmp/#{application}_dbseed_update.sql"
    download "/tmp/#{application}_dbseed_update.sql", "config/#{host}_seed.sql"
  end

  task :fix_permissions do
    run "sudo chown #{user} -R #{deploy_to}"
  end

  task :reset_permissions do 
    run "sudo chown #{owner} -R #{deploy_to}"
  end


  task :restart do
    run 'sudo apachectl -k graceful'
  end
end