rubber_deploy.rb

require 'new_relic/recipes'

set :rails_env, RUBBER_ENV

on :load do
  set :application, rubber_env.app_name
  set :runner,      rubber_env.app_user
  set :deploy_to,   "/mnt/#{application}-#{RUBBER_ENV}"
end

ssh_options[:forward_agent] = true
set :repository, "git@github.com:account/repo_name.git"
set :scm, "git"
set :deploy_via, :remote_cache
set :branch, 'master'
#set :branch, 'rubber'

#set :scm, :none
#set :repository, "."
#set :deploy_via, :copy

# Easier to do system level config as root - probably should do it through
# sudo in the future.  We use ssh keys for access, so no passwd needed
set :user, 'root'
set :password, nil

# Use sudo with user rails for cap deploy:[stop|start|restart]
# This way exposed services (mongrel) aren't running as a privileged user
set :use_sudo,      true

# How many old releases should be kept around when running "cleanup" task
set :keep_releases, 3

# Lets us work with staging instances without having to checkin config files
# (instance*.yml + rubber*.yml) for a deploy.  This gives us the
# convenience of not having to checkin files for staging, as well as
# the safety of forcing it to be checked in for production.
set :push_instance_config, RUBBER_ENV != 'production'

# Allows the tasks defined to fail gracefully if there are no hosts for them.
# Comment out or use "required_task" for default cap behavior of a hard failure
rubber.allow_optional_tasks(self)
# Wrap tasks in the deploy namespace that have roles so that we can use FILTER
# with something like a deploy:cold which tries to run deploy:migrate but can't
# because we filtered out the :db role
namespace :deploy do
  rubber.allow_optional_tasks(self)
  tasks.values.each do |t|
    if t.options[:roles]
      task t.name, t.options, &t.body
    end

  end
end

# =============================================================================
# TASKS
# =============================================================================


Dir["#{File.dirname(__FILE__)}/rubber/deploy-*.rb"].each do |deploy_file|
  load deploy_file
end

before "deploy:update_code", "setup_known_hosts"

after 'rubber:install_gems', 'install_slim_attributes'

after "rubber:setup_app_permissions", "di:create_tmp_cache"
after "rubber:setup_app_permissions", "di:fix_public_permissions"

after "deploy:update", "newrelic:notice_deployment"

after "deploy",            "deploy:notify_campfire"
after "deploy:migrations", "deploy:notify_campfire"

task :setup_known_hosts do
  run "echo 'github.com,65.74.180.52 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==' > ~/.ssh/known_hosts"

end

task :install_slim_attributes do
  sudo 'gem install slim-attributes -- --with-mysql-config'
end

namespace :di do
  desc "creates cache dir"
  task :create_tmp_cache, :roles => :app do
    run "mkdir -p #{current_path}/tmp/cache"
  end

  task :fix_public_permissions, :roles => :app do
    run "chown -R app:app #{current_path}/public"
  end

end

namespace :deploy do

  desc 'notifies campfire room of deploy'
  task :notify_campfire do

    begin
      require 'tinder'
      rails_env = fetch(:rails_env, "production")
      local_user = ENV['USER'] || ENV['USERNAME']

      msg = "[#{application}/#{branch}] deployed to #{rails_env} by #{local_user} at #{Time.now}"
      puts "Notifying Campfire with '#{msg}'"

      campfire = Tinder::Campfire.new('cf-subdomain')
      campfire.login('cf-bot@domain.com', 'password')
      room = campfire.find_room_by_name('Some Room')
      room.speak(msg)
      campfire.logout

    rescue
      #don't kill cap just because we can't notify
      puts "Notifying Campfire failed, reason: #{$!}"
    end
  end
end