Cap Recipe

deploy.rb

# #
# CAPISTRANO 2.5.0 DEPLOY
# GIT, Passenger, BackgrounDRB, Juggernaut
#
# Workflow:
#   cap <stage> <task>
#   cap <stage> deploy:setup
#   cap <stage> deploy:cold
#   . . .
#   cap <stage> deploy
#
# Config files:
#   Copy config/.*ex files do shared/production.<file> on setup.
#   Copy from shared on deploy.
#

set :application, "APPNAME"
set :stages, %w{ role1 role2 }
set :default_stage, 'role1'

# # #
# ROLES
#
task :role1 do
  ssh_options[:port] = 22223
  # set :domain, "some.foo.com"
  role :app, "foo.foo.com"
  role :web, "foo.foo.com"
  role :db,  "foo.foo.com", :primary => true
end

task :role2 do
  ssh_options[:port] = 22222
  role :app, "gw.foo.com.br"
  role :web, "gw.foo.com.br"
  role :db,  "gw.foo.com.br", :primary => true
end

# #
# GIT
# 
set :user, "deployer"
set :scm, :git
set :repository,  "ssh://git@REPO/PATH.git"
set :branch, "master"
set :deploy_via, :remote_cache
set :keep_releases, 7

# #
# SSH
#
ssh_options[:paranoid] = false
#ssh_options[:port] = 0000
default_run_options[:pty] = true
set :use_sudo, false

# #
# DEPLOY TO
set :deploy_to, "/var/www/apps/#{application}"

# #
# GEMS
set :packages, ["postgres", "hpricot"]

# #
# TASKS
#
desc "Load fixtures"
task :fixtures do
  rake = fetch(:rake, 'rake')
  rails_env = fetch(:rails_env, 'production')
  run "cd #{current_path}; #{rake} RAILS_ENV=#{rails_env} db:fixtures:load"
end
after "migrate", "fixtures"

# #
# BackgroundDrb
#
namespace :backgroundrb do
  desc "Start the backgroundrb server"
  task :start , :roles => :app do
    run "cd #{current_path} && nohup ./script/backgroundrb start -e production > #{current_path}/log/backgroundrb-cap.log 2>&1"
  end


  desc "Stop the backgroundrb server"
  task :stop, :roles => :app do
    run "cd #{release_path} && ./script/backgroundrb stop"
  end

  desc "Restart the backgroundrb server"
  task :restart, :roles => :app do
    stop
    start
  end
end

# #
# Juggernaut
#
namespace :juggernaut do
  desc "Stop the juggernaut push server"
  task :stop , :roles => :app do
    run "cd #{current_path} && rake juggernaut:stop RAILS_ENV=production"
  end

  desc "Start the juggernaut push server"
  task :start, :roles => :app do
    run "cd #{current_path} && rake juggernaut:start RAILS_ENV=production"
  end

  desc "Restart the juggernaut push server"
  task :restart, :roles => :app do
    run "cd #{current_path} && rake juggernaut:restart RAILS_ENV=production"
  end
end

# #
# DEPLOY
#
namespace :deploy do

  # não usar sudo no cleanup
  before("deploy:cleanup") do
    set :use_sudo, false
  end

  # Advanced Rails Recipes
  desc "Roda depois de uma cada implantação bem sucedida"
  task :after_default do
    #backgroundrb::restart
    #juggernaut::restart
    cleanup
  end

  desc "Copiar config database"
  task :copy_database_configuration do
    db_config = "#{shared_path}/production.database.yml"
    run "cp #{db_config} #{release_path}/config/database.yml"
  end
  after "deploy:update_code", "deploy:copy_database_configuration"

  desc "Copiar config juggernaut"
  task :copy_juggernaut_configuration do
    jugger_config = "#{shared_path}/production.juggernaut_hosts.yml"
    run "cp #{jugger_config} #{release_path}/config/juggernaut_hosts.yml"
  end
  after "deploy:update_code", "deploy:copy_juggernaut_configuration"


  task :start, :roles => :app do
    backgroundrb::start
    juggernaut::start
  end

  task :stop, :roles => :app do
    backgroundrb::stop
    juggernaut::stop
  end

  task :restart, :roles => :app do
    backgroundrb::restart
    juggernaut::restart
    run "touch #{release_path}/tmp/restart.txt"
  end

  task :after_setup do
    run "mkdir #{shared_path}/files"
    run "cp #{release_path}/config/database.yml.ex #{shared_path}/production.database.yml"
    run "cp #{release_path}/config/juggernaut_hosts.yml.ex #{shared_path}/production.juggernaut_hosts.yml"
  end

  desc "Criar symlinks diretorios compartilhados"
  task :after_symlink do
    run "rm -rf #{release_path}/public/files"
    run "ln -nfs #{shared_path}/files #{release_path}/public/files"
  end

  task :after_update_code, :roles => :app do
    run "rm -rf #{release_path}/public/.htaccess"
  end
end


# #
# TAIL
desc "Analisar multiplos arquivos de log ao mesmo tempo"
task :tail_log, :roles => :app do
  stream "tail -f #{shared_path}/log/production.log #{shared_path}/log/apache-error.log #{shared_path}/log/apache-access.log"
end

desc "Tail Daemons"
task :tail_daemon, :roles => :app do
  stream "tail -f #{shared_path}/log/backgroundrb-cap.log #{shared_path}/log/juggernaut.log"
 # stream "tail -f #{shared_path}/log/backgroundrb-server.log"
end