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- #
- # Author:: Noah Kantrowitz <noah@opscode.com>
- # Cookbook Name:: application
- # Resource:: default
- #
- # Copyright:: 2011-2012, Opscode, Inc <legal@opscode.com>
- #
- # 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, :force_deploy
- 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 :app_root, :kind_of => String, :default => "/"
- 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 :enable_submodules, :kind_of => [TrueClass, FalseClass], :default => false
- attribute :environment, :kind_of => Hash, :default => {}
- attribute :deploy_key, :kind_of => [String, NilClass], :default => nil
- attribute :force, :kind_of => [TrueClass, FalseClass], :default => false
- attribute :rollback_on_error, :kind_of => [TrueClass, FalseClass], :default => true
- 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 => []
- attribute :application_provider
- 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 release_path
- application_provider.release_path
- end
- def shared_path
- application_provider.shared_path
- 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 =~ /\b#{resource_name}\b/
- 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
- def to_ary
- nil
- end
- alias :to_a :to_ary
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