Class: Yad::Framework::Rails

Inherits:
Object
  • Object
show all
Defined in:
lib/yad/framework/rails.rb

Class Method Summary collapse

Class Method Details

.build_setup_command(shared_directory, options = {}) ⇒ Object 



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# File 'lib/yad/framework/rails.rb', line 4

def self.build_setup_command(shared_directory, options = {})
  default_options = { :umask => '02' }
  options = default_options.merge(options)
  dirs = [File.join(shared_directory, "log"),
          File.join(shared_directory, "pids"),
          File.join(shared_directory, "system")
         ]
  "umask #{options[:umask]} && mkdir -p #{dirs.join(' ')}"
end

.build_update_command(new_release_directory, shared_directory, options = {}) ⇒ Object 



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# File 'lib/yad/framework/rails.rb', line 14

def self.build_update_command(new_release_directory, shared_directory, options = {})
  default_options = { :app_env                        => 'production',
    :framework_update_db_config_via => 'none' }
  options = default_options.merge(options)
  commands = ["rm -rf #{new_release_directory}/log #{new_release_directory}/public/system #{new_release_directory}/tmp/pids",
              "mkdir -p #{new_release_directory}/tmp",
              "ln -s #{shared_directory}/log #{new_release_directory}/log",
              "ln -s #{shared_directory}/pids #{new_release_directory}/tmp/pids",
              "ln -s #{shared_directory}/system #{new_release_directory}/public/system"
             ]
  
  case options[:framework_update_db_config_via].to_sym
  when :copy
    commands << "cp -f #{new_release_directory}/config/database_#{options[:app_env]}.yml #{new_release_directory}/config/database.yml"  
  when :symlink
    commands << "ln -nfs #{shared_directory}/config/database.yml #{new_release_directory}/config/database.yml"
  end
  
  commands.join(" && ")
end

.define_tasks ⇒ Object 



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# File 'lib/yad/framework/rails.rb', line 35

def self.define_tasks
  return if @tasks_already_defined
  @tasks_already_defined = true
  namespace :yad do
    namespace :framework do

      desc "Performs additional setup needed for the framework"
      remote_task :setup, :roles => :app do
        options = Rake::RemoteTask.get_options_hash(:umask)
        cmd = Yad::Framework::Rails.build_setup_command(shared_path, options)
        run(cmd)
        puts("Rails set up on #{target_host}")
      end
      
      desc "Updates the framework configuration and working directories after a new release has been exported"
      remote_task :update, :roles => :app do
        options = Rake::RemoteTask.get_options_hash(:app_env, :framework_update_db_config_via)
        cmd = Yad::Framework::Rails.build_update_command(release_path, shared_path, options)
        run(cmd)
        puts("Rails shared paths and files updated on #{target_host}")
      end
      
    end
  end
end