# # Author:: Noah Kantrowitz # Cookbook Name:: application # Resource:: default # # Copyright:: 2011, Opscode, Inc # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # require 'weakref' include Chef::Mixin::RecipeDefinitionDSLCore def initialize(*args) super @action = :deploy @sub_resources = [] end actions :deploy, :remove attribute :name, :kind_of => String, :name_attribute => true attribute :environment_name, :kind_of => String, :default => (node.chef_environment =~ /_default/ ? "production" : node.chef_environment) attribute :path, :kind_of => String attribute :owner, :kind_of => String attribute :group, :kind_of => String attribute :strategy, :kind_of => [String, Symbol], :default => :deploy_revision attribute :scm_provider, :kind_of => [Class, String, Symbol] attribute :revision, :kind_of => String attribute :repository, :kind_of => String attribute :environment, :kind_of => Hash, :default => {} attribute :deploy_key, :kind_of => [String, NilClass], :default => nil attribute :force, :kind_of => [TrueClass, FalseClass], :default => false attribute :purge_before_symlink, :kind_of => Array, :default => [] attribute :create_dirs_before_symlink, :kind_of => Array, :default => [] attribute :symlinks, :kind_of => Hash, :default => {} attribute :symlink_before_migrate, :kind_of => Hash, :default => {} attribute :migrate, :kind_of => [TrueClass, FalseClass], :default => false attribute :migration_command, :kind_of => [String, NilClass], :default => nil attribute :restart_command, :kind_of => [String, NilClass], :default => nil attribute :packages, :kind_of => [Array, Hash], :default => [] attr_reader :sub_resources # Callback fires before deploy is started. def before_deploy(arg=nil, &block) arg ||= block set_or_return(:before_deploy, arg, :kind_of => [Proc, String]) end # Callback fires before migration is run. def before_migrate(arg=nil, &block) arg ||= block set_or_return(:before_migrate, arg, :kind_of => [Proc, String]) end # Callback fires before symlinking def before_symlink(arg=nil, &block) arg ||= block set_or_return(:before_symlink, arg, :kind_of => [Proc, String]) end # Callback fires before restart def before_restart(arg=nil, &block) arg ||= block set_or_return(:before_restart, arg, :kind_of => [Proc, String]) end # Callback fires after restart def after_restart(arg=nil, &block) arg ||= block set_or_return(:after_restart, arg, :kind_of => [Proc, String]) end def method_missing(name, *args, &block) # Build the set of names to check for a valid resource lookup_path = ["application_#{name}"] run_context.cookbook_collection.each do |cookbook_name, cookbook_ver| if cookbook_name.start_with?("application_") lookup_path << "#{cookbook_name}_#{name}" end end lookup_path << name resource = nil # Try to find our resource lookup_path.each do |resource_name| begin Chef::Log.debug "Trying to load application resource #{resource_name} for #{name}" resource = super(resource_name.to_sym, self.name, &block) break rescue NameError => e # Works on any MRI ruby if e.name == resource_name.to_sym || e.inspect =~ /`#{resource_name}'/ next else raise e end end end raise NameError, "No resource found for #{name}. Tried #{lookup_path.join(', ')}" unless resource # Enforce action :nothing in case people forget resource.action :nothing # Make this a weakref to prevent a cycle between the application resource and the sub resources resource.application WeakRef.new(self) resource.type name @sub_resources << resource resource end