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# Author:: Tim Hinderliter (<tim@chef.io>)
# Author:: Christopher Walters (<cw@chef.io>)
# 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 "gem_installer"
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
# Validates that the cookbook metadata allows it to run on this instance.
#
# Currently checks chef_version and ohai_version in the cookbook metadata
# against the running Chef::VERSION and Ohai::VERSION.
#
# @raise [Chef::Exceptions::CookbookChefVersionMismatch] if the Chef::VERSION fails validation
# @raise [Chef::Exceptions::CookbookOhaiVersionMismatch] if the Ohai::VERSION fails validation
def validate!
each_value do |cookbook_version|
cookbook_version.metadata.validate_chef_version!
cookbook_version.metadata.validate_ohai_version!
end
end
def install_gems(events)
Cookbook::GemInstaller.new(self, events).install
end
end
end
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