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Diffstat (limited to 'lib/chef/cookbook/cookbook_collection.rb')
-rw-r--r-- | lib/chef/cookbook/cookbook_collection.rb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/chef/cookbook/cookbook_collection.rb b/lib/chef/cookbook/cookbook_collection.rb new file mode 100644 index 0000000000..ae63abfc93 --- /dev/null +++ b/lib/chef/cookbook/cookbook_collection.rb @@ -0,0 +1,45 @@ +#-- +# Author:: Tim Hinderliter (<tim@opscode.com>) +# Author:: Christopher Walters (<cw@opscode.com>) +# Copyright:: Copyright (c) 2010 Opscode, 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 'chef/mash' + +class Chef + # == Chef::CookbookCollection + # This class is the consistent interface for a node to obtain its + # cookbooks by name. + # + # This class is basically a glorified Hash, but since there are + # several ways this cookbook information is collected, + # (e.g. CookbookLoader for solo, hash of auto-vivified Cookbook + # objects for lazily-loaded remote cookbooks), it gets transformed + # into this. + class CookbookCollection < Mash + + # The input is a mapping of cookbook name to CookbookVersion objects. We + # simply extract them + def initialize(cookbook_versions={}) + super() do |hash, key| + raise Chef::Exceptions::CookbookNotFound, "Cookbook #{key} not found. " << + "If you're loading #{key} from another cookbook, make sure you configure the dependency in your metadata" + end + cookbook_versions.each{ |cookbook_name, cookbook_version| self[cookbook_name] = cookbook_version } + end + + end +end |