Capistrano eye task

eye.rake

namespace :eye do

  %w(start stop restart info).each do |cmd|
    task cmd.to_sym do
      on roles(fetch(:eye_roles)) do |server|
        within release_path do
          eye_processes(server).each do |name|
            execute :bundle, "exec eye #{cmd} #{name}"
          end
        end
      end
    end
  end

  desc "Load the configuration file"
  task :load do
    on roles(fetch(:eye_roles)) do |server|
      within release_path do
        eye_roles(server).each do |role|
          execute :bundle, "exec eye load ./config/eye/#{role}.rb"
        end
      end
    end
  end

  task :delete do
    on roles(fetch(:eye_roles)) do |server|
      within release_path do
        eye_processes(server).each do |name|
          execute :bundle, "exec eye delete #{name}; true"
        end
      end
    end
  end

  task :quit do
    on release_roles(fetch(:eye_roles)) do
      within release_path do
        execute :bundle, "exec eye quit"
      end
    end
  end

  before :start, :load
  before :restart, :load

  private

  def eye_processes(server)
    eye_roles(server).map { |role| "#{fetch(:rails_env)}-#{role}" }
  end

  def eye_roles(server)
    server.roles_array
  end

end