\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # # Author:: Daniel DeLeo () # Author:: Tim Hinderliter () # Copyright:: Copyright (c) Chef Software Inc. # License:: Apache License, Version 2.0 # # 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_relative "../mash" require_relative "../mixin/deep_merge" require_relative "../role" require_relative "../server_api" require_relative "../json_compat" class Chef class RunList # Abstract Base class for expanding a run list. Subclasses must handle # fetching roles from a data source by defining +fetch_role+ class RunListExpansion attr_reader :run_list_items # A VersionedRecipeList of recipes. Populated only after #expand # is called. attr_reader :recipes attr_reader :default_attrs attr_reader :override_attrs attr_reader :environment attr_reader :missing_roles_with_including_role # The data source passed to the constructor. Not used in this class. # In subclasses, this is a Chef::ServerAPI object pre-configured # to fetch roles from their correct location. attr_reader :source # Returns a Hash of the form "including_role" => "included_role_or_recipe". # This can be used to show the expanded run list (ordered) graph. # ==== Caveats # * Duplicate roles are not shown. attr_reader :run_list_trace # Like run list trace but instead of saving the entries as strings it saves their objects # The to_json method uses this list to construct json. attr_reader :better_run_list_trace attr_reader :all_missing_roles attr_reader :role_errors def initialize(environment, run_list_items, source = nil) @environment = environment @missing_roles_with_including_role = [] @run_list_items = run_list_items.dup @source = source @default_attrs = Mash.new @override_attrs = Mash.new @recipes = Chef::RunList::VersionedRecipeList.new @applied_roles = {} @run_list_trace = Hash.new { |h, key| h[key] = [] } @better_run_list_trace = Hash.new { |h, key| h[key] = [] } @all_missing_roles = {} @role_errors = {} end # Did we find any errors (expanding roles)? def errors? @missing_roles_with_including_role.length > 0 end alias :invalid? :errors? # Recurses over the run list items, expanding roles. After this, # +recipes+ will contain the fully expanded recipe list def expand # Sure do miss function arity when being recursive expand_run_list_items(@run_list_items) end # Fetches and inflates a role # === Returns # Chef::Role in most cases # false if the role has already been applied # nil if the role does not exist def inflate_role(role_name, included_by) return false if applied_role?(role_name) # Prevent infinite loops applied_role(role_name) fetch_role(role_name, included_by) end def apply_role_attributes(role) @default_attrs = Chef::Mixin::DeepMerge.merge(@default_attrs, role.default_attributes) @override_attrs = Chef::Mixin::DeepMerge.merge(@override_attrs, role.override_attributes) end def applied_role?(role_name) @applied_roles.key?(role_name) end # Returns an array of role names that were expanded; this # includes any roles that were in the original, pre-expansion # run_list as well as roles processed during # expansion. Populated only after #expand is called. def roles @applied_roles.keys end # In subclasses, this method will fetch the role from the data source. def fetch_role(name, included_by) raise NotImplementedError end # When a role is not found, an error message is logged, but no # exception is raised. We do add an entry in the errors collection. # === Returns # nil def role_not_found(name, included_by) Chef::Log.error("Role #{name} (included by '#{included_by}') is in the runlist but does not exist. Skipping expand.") @missing_roles_with_including_role << [name, included_by] @all_missing_roles[name] = true nil end def errors @missing_roles_with_including_role.map(&:first) end def to_json(*a) Chef::JSONCompat.to_json(to_h, *a) end def to_h seen_items = { recipe: {}, role: {} } { id: @environment, run_list: convert_run_list_trace("top level", seen_items) } end alias_method :to_hash, :to_h private # these methods modifies internal state based on arguments, so hide it. def applied_role(role_name) @applied_roles[role_name] = true end def expand_run_list_items(items, included_by = "top level") if entry = items.shift @run_list_trace[included_by.to_s] << entry.to_s @better_run_list_trace[included_by.to_s] << entry case entry.type when :recipe recipes.add_recipe(entry.name, entry.version) when :role if role = inflate_role(entry.name, included_by) expand_run_list_items(role.run_list_for(@environment).run_list_items, role) apply_role_attributes(role) end e