179 lines
5.7 KiB
Ruby
179 lines
5.7 KiB
Ruby
#
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# Author:: Noah Kantrowitz <noah@opscode.com>
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# Cookbook Name:: application
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# Resource:: default
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#
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# Copyright:: 2011-2012, Opscode, Inc <legal@opscode.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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require 'weakref'
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include Chef::DSL::Recipe
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def initialize(*args)
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super
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@action = :deploy
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@sub_resources = []
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end
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actions :deploy, :force_deploy
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attribute :name, :kind_of => String, :name_attribute => true
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attribute :environment_name, :kind_of => String, :default => (node.chef_environment =~ /_default/ ? "production" : node.chef_environment)
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attribute :path, :kind_of => String
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attribute :owner, :kind_of => String
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attribute :group, :kind_of => String
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attribute :keep_releases, :kind_of => Integer, :default => 5
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attribute :strategy, :kind_of => [String, Symbol], :default => :deploy_revision
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attribute :scm_provider, :kind_of => [Class, String, Symbol]
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attribute :revision, :kind_of => String
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attribute :repository, :kind_of => String
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attribute :enable_submodules, :kind_of => [TrueClass, FalseClass], :default => false
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attribute :environment, :kind_of => Hash, :default => {}
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attribute :deploy_key, :kind_of => [String, NilClass], :default => nil
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attribute :strict_ssh, :kind_of => [TrueClass, FalseClass], :default => false
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attribute :shallow_clone, :kind_of => [TrueClass, FalseClass], :default => false
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attribute :force, :kind_of => [TrueClass, FalseClass], :default => false
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attribute :rollback_on_error, :kind_of => [TrueClass, FalseClass], :default => true
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attribute :purge_before_symlink, :kind_of => Array, :default => []
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attribute :create_dirs_before_symlink, :kind_of => Array, :default => []
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attribute :symlinks, :kind_of => Hash, :default => {}
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attribute :symlink_before_migrate, :kind_of => Hash, :default => {}
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attribute :migrate, :kind_of => [TrueClass, FalseClass], :default => false
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attribute :migration_command, :kind_of => [String, NilClass], :default => nil
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attribute :packages, :kind_of => [Array, Hash], :default => []
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attribute :application_provider
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attr_reader :sub_resources
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def restart_command(arg=nil, &block)
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arg ||= block
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set_or_return(:restart_command, arg, :kind_of => [Proc, String])
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end
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# Callback fires before deploy is started.
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def before_deploy(arg=nil, &block)
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arg ||= block
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set_or_return(:before_deploy, arg, :kind_of => [Proc, String])
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end
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# Callback fires before migration is run.
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def before_migrate(arg=nil, &block)
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arg ||= block
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set_or_return(:before_migrate, arg, :kind_of => [Proc, String])
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end
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# Callback fires before symlinking
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def before_symlink(arg=nil, &block)
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arg ||= block
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set_or_return(:before_symlink, arg, :kind_of => [Proc, String])
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end
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# Callback fires before restart
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def before_restart(arg=nil, &block)
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arg ||= block
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set_or_return(:before_restart, arg, :kind_of => [Proc, String])
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end
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# Callback fires after restart
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def after_restart(arg=nil, &block)
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arg ||= block
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set_or_return(:after_restart, arg, :kind_of => [Proc, String])
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end
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def release_path
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application_provider.release_path
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end
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def shared_path
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application_provider.shared_path
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end
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def method_missing(name, *args, &block)
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# Build the set of names to check for a valid resource
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lookup_path = ["application_#{name}"]
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run_context.cookbook_collection.each do |cookbook_name, cookbook_ver|
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if cookbook_name.start_with?("application_")
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lookup_path << "#{cookbook_name}_#{name}"
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end
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end
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lookup_path << name
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resource = nil
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# Try to find our resource
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lookup_path.each do |resource_name|
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begin
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Chef::Log.debug "Trying to load application resource #{resource_name} for #{name}"
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resource = super(resource_name.to_sym, self.name, &block)
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break
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rescue NameError => e
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# Works on any MRI ruby
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if e.name == resource_name.to_sym || e.inspect =~ /\b#{resource_name}\b/
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next
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else
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raise e
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end
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end
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end
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raise NameError, "No resource found for #{name}. Tried #{lookup_path.join(', ')}" unless resource
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# Enforce action :nothing in case people forget
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resource.action :nothing
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# Make this a weakref to prevent a cycle between the application resource and the sub resources
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resource.application WeakRef.new(self)
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resource.type name
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@sub_resources << resource
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resource
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end
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def do_i_respond_to?(*args)
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name = args.first.to_s
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# Build the set of names to check for a valid resource
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lookup_path = ["application_#{name}"]
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run_context.cookbook_collection.each do |cookbook_name, cookbook_ver|
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if cookbook_name.start_with?("application_")
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lookup_path << "#{cookbook_name}_#{name}"
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end
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end
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lookup_path << name
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found = false
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# Try to find our resource
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lookup_path.each do |resource_name|
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begin
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Chef::Log.debug "Looking for application resource #{resource_name} for #{name}"
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Chef::Resource.resource_for_node(resource_name.to_sym, node)
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found = true
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break
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rescue NameError => e
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# Keep calm and carry on
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end
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end
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found
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end
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# If we are using a current version of ruby, use respond_to_missing?
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# instead of respond_to? so we provide proper behavior
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if(Gem::Version.new(RUBY_VERSION.dup) >= Gem::Version.new('1.9.1'))
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def respond_to_missing?(*args)
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super || do_i_respond_to?(*args)
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end
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else
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def respond_to?(*args)
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super || do_i_respond_to?(*args)
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end
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end
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def to_ary
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nil
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end
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alias :to_a :to_ary
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