deploy.rb

deploy.rb

#
# Multistage.
#

set :stages, %w(production staging)
set :default_stage, "production"
require 'capistrano/ext/multistage'


#
# Remote.
#

set :account, "my-account"
set :application, "online-service"
set :default_run_options, :pty => true
set :user, "tag"
set :deploy_to, "/home/tag/apps/#{application}"
set :deploy_via, :remote_cache
set :keep_releases, 6
set :shared_children, %w(node_modules log)
#
# SCM.
#

set :scm, :git
set :branch, "master"
set :repository,  "[email protected]:#{account}/#{application}.git"

#
# Custom deployment tasks (since we don't use RoR).
#

namespace :deploy do

  desc "Creates remote directory structure(s)."
  task :setup, :expect => { :no_release => true } do
    dirs  = [deploy_to, releases_path, shared_path]
    dirs += shared_children.map { |d| File.join(shared_path, d) }
    run "mkdir -p #{dirs.join(' ')}"
    run "chmod g+w #{dirs.join(' ')}" if fetch(:group_writable, true)
  end

  desc "Links shared internal resources and dependencies."
  task :finalize_update, :except => { :no_release => true } do
    run "chmod -R g+w #{latest_release}" if fetch(:group_writable, true)
    run "cd #{latest_release} && NODE_ENV=production npm install"
    cleanup
  end

  desc "Deploys and starts new application."
  task :cold do
    logger.important "cold start: update" if logger
    update
    logger.important "cold start: start" if logger
    start
  end

  desc "Starts the application service."
  task :start do
    run "mongroup start #{application}"
  end

  desc  "Restarts the application service."
  task :restart do
    run "mongroup restart #{application}"
  end

  desc "Stops the application service."
  task :stop do
    run "mongroup stop #{application}"
  end
end

#
# Notifications
#

namespace :notify do
  desc "Notifies rollbar of a deployment"
  task :rollbar, :roles => :app do
    set :revision, `git log -n 1 --pretty=format:"%H"`
    set :local_user, `whoami`
    set :rollbar_token, 'xxxxxxxx'
    set :node_env, ENV['NODE_ENV']
    run "curl https://api.rollbar.com/api/1/deploy/ -F access_token=#{rollbar_token} -F environment=#{node_env} -F revision=#{revision} -F local_username=#{local_user} >/dev/null 2>&1", :once => true
  end
end

#
# Hooks
#

after :deploy, 'notify:rollbar'