deploy.rb-example

#############################################################
#	This file is designed as a starting point to use
# capistrano to deploy the trunk of tracks to a webhost
# where it is served using Phusion Passenger. For more
# info on getting started with Passenger, see
# http://www.modrails.com/
#############################################################


#############################################################
#	Application
#############################################################

set :application, "tracks"
set :deploy_to, "/var/www/apps/tracks"

#############################################################
#	Settings
#############################################################

default_run_options[:pty] = true
ssh_options[:forward_agent] = true
set :use_sudo, true
set :scm_verbose, true
set :rails_env, "production" 

#############################################################
#	Servers
#############################################################

#set :user, "your_login_name_on_your_webhost_if_different_from_local"
set :domain, "tracks.yoursite.com"
server domain, :app, :web
role :db, domain, :primary => true

#############################################################
#	Git
#############################################################

set :scm, :git
set :branch, "master"
set :repository, "git://github.com/bsag/tracks.git"
set :deploy_via, :remote_cache

#############################################################
#	Passenger
#############################################################

namespace :deploy do
  desc "Symlink config files"
  task :before_symlink do
    run "rm #{release_path}/public/.htaccess" #not compatible with Passenger
    run "ln -s #{shared_path}/config/database.yml #{release_path}/config/database.yml"
    run "ln -s #{shared_path}/config/site.yml #{release_path}/config/site.yml"
    run "ln -s #{shared_path}/config/environment.rb #{release_path}/config/environment.rb"
  end

  # Restart passenger on deploy
  desc "Restarting mod_rails with restart.txt"
  task :restart, :roles => :app, :except => { :no_release => true } do
    run "touch #{current_path}/tmp/restart.txt"
  end
  
  [:start, :stop].each do |t|
    desc "#{t} task is a no-op with mod_rails"
    task t, :roles => :app do ; end
  end
  
end

namespace :db do
  desc 'Dumps the production database to db/production_data.sql on the remote server'
  task :remote_db_dump, :roles => :db, :only => { :primary => true } do
    run "cd #{deploy_to}/#{current_dir} && " +
      "rake RAILS_ENV=#{rails_env} db:dump_sql --trace" 
  end

  desc 'Downloads db/production_data.sql from the remote production environment to your local machine'
  task :remote_db_download, :roles => :db, :only => { :primary => true } do  
    execute_on_servers(options) do |servers|
      self.sessions[servers.first].sftp.connect do |tsftp|
        tsftp.download!("#{deploy_to}/#{current_dir}/db/production_data.sql", "db/production_data.sql")
      end
    end
  end

  desc 'Cleans up data dump file'
  task :remote_db_cleanup, :roles => :db, :only => { :primary => true } do
    execute_on_servers(options) do |servers|
      self.sessions[servers.first].sftp.connect do |tsftp|
        tsftp.remove! "#{deploy_to}/#{current_dir}/db/production_data.sql" 
      end
    end
  end 

  desc 'Dumps, downloads and then cleans up the production data dump'
  task :remote_db_runner do
    remote_db_dump
    remote_db_download
    remote_db_cleanup
  end
end