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#
# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright 2010-2016, 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.
class Chef
class RunList
class RunListItem
QUALIFIED_RECIPE = /^recipe\[([^\]@]+)(@([0-9]+(\.[0-9]+){1,2}))?\]$/.freeze
QUALIFIED_ROLE = /^role\[([^\]]+)\]$/.freeze
VERSIONED_UNQUALIFIED_RECIPE = /^([^@]+)(@([0-9]+(\.[0-9]+){1,2}))$/.freeze
FALSE_FRIEND = /[\[\]]/.freeze
attr_reader :name, :type, :version
def initialize(item)
@version = nil
case item
when Hash
assert_hash_is_valid_run_list_item!(item)
@type = (item["type"] || item[:type]).to_sym
@name = item["name"] || item[:name]
if item.key?("version") || item.key?(:version)
@version = item["version"] || item[:version]
end
when String
if match = QUALIFIED_RECIPE.match(item)
# recipe[recipe_name]
# recipe[recipe_name@1.0.0]
@type = :recipe
@name = match[1]
@version = match[3] if match[3]
elsif match = QUALIFIED_ROLE.match(item)
# role[role_name]
@type = :role
@name = match[1]
elsif match = VERSIONED_UNQUALIFIED_RECIPE.match(item)
# recipe_name@1.0.0
@type = :recipe
@name = match[1]
@version = match[3] if match[3]
elsif match = FALSE_FRIEND.match(item)
# Recipe[recipe_name]
# roles[role_name]
name = match[1]
raise ArgumentError, "Unable to create #{self.class} from #{item.class}:#{item.inspect}: must be recipe[#{name}] or role[#{name}]"
else
# recipe_name
@type = :recipe
@name = item
end
else
raise ArgumentError, "Unable to create #{self.class} from #{item.class}:#{item.inspect}: must be a Hash or String"
end
end
def to_s
"#{@type}[#{@name}#{@version ? "@#{@version}" : ""}]"
end
def role?
@type == :role
end
def recipe?
@type == :recipe
end
def ==(other)
if other.is_a?(String)
to_s == other.to_s
else
other.respond_to?(:type) && other.respond_to?(:name) && other.respond_to?(:version) && other.type == @type && other.name == @name && other.version == @version
end
end
def assert_hash_is_valid_run_list_item!(item)
unless (item.key?("type") || item.key?(:type)) && (item.key?("name") || item.key?(:name))
raise ArgumentError, "Initializing a #{self.class} from a hash requires that it have a 'type' and 'name' key"
end
end
end
end
end
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