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#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# 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 CookbookLoader
attr_accessor :cookbook
include Enumerable
def initialize()
@cookbook = Hash.new
load_cookbooks
end
def load_cookbooks
cookbook_settings = Hash.new
Chef::Config.cookbook_path.each do |cb_path|
Dir[File.join(cb_path, "*")].each do |cookbook|
next unless File.directory?(cookbook)
cookbook_name = File.basename(cookbook).to_sym
unless cookbook_settings.has_key?(cookbook_name)
cookbook_settings[cookbook_name] = {
:ignore_regexes => Array.new,
:attribute_files => Array.new,
:definition_files => Array.new,
:recipe_files => Array.new,
:template_files => Array.new,
:remote_files => Array.new,
}
end
ignore_regexes = load_ignore_file(File.join(cookbook, "ignore"))
cookbook_settings[cookbook_name][:ignore_regexes].concat(ignore_regexes)
load_files_unless_basename(
File.join(cookbook, "attributes", "*.rb"),
cookbook_settings[cookbook_name][:attribute_files],
cookbook_settings[cookbook_name][:ignore_regexes]
)
load_files_unless_basename(
File.join(cookbook, "definitions", "*.rb"),
cookbook_settings[cookbook_name][:definition_files],
cookbook_settings[cookbook_name][:ignore_regexes]
)
load_files_unless_basename(
File.join(cookbook, "recipes", "*.rb"),
cookbook_settings[cookbook_name][:recipe_files],
cookbook_settings[cookbook_name][:ignore_regexes]
)
load_cascading_files(
File.join(cookbook, "templates", "**", "*.erb"),
File.join(cookbook, "templates"),
cookbook_settings[cookbook_name][:template_files],
cookbook_settings[cookbook_name][:ignore_regexes]
)
load_cascading_files(
File.join(cookbook, "files", "**", "*"),
File.join(cookbook, "files"),
cookbook_settings[cookbook_name][:remote_files],
cookbook_settings[cookbook_name][:ignore_regexes]
)
end
end
cookbook_settings.each_key do |cookbook|
@cookbook[cookbook] = Chef::Cookbook.new(cookbook)
@cookbook[cookbook].attribute_files = cookbook_settings[cookbook][:attribute_files]
@cookbook[cookbook].definition_files = cookbook_settings[cookbook][:definition_files]
@cookbook[cookbook].recipe_files = cookbook_settings[cookbook][:recipe_files]
@cookbook[cookbook].template_files = cookbook_settings[cookbook][:template_files]
@cookbook[cookbook].remote_files = cookbook_settings[cookbook][:remote_files]
end
end
def [](cookbook)
if @cookbook.has_key?(cookbook.to_sym)
@cookbook[cookbook.to_sym]
else
raise ArgumentError, "Cannot find a cookbook named #{cookbook.to_s}"
end
end
def each
@cookbook.each_value do |cobject|
yield cobject
end
end
private
def load_ignore_file(ignore_file)
results = Array.new
if File.exists?(ignore_file) && File.readable?(ignore_file)
IO.foreach(ignore_file) do |line|
next if line =~ /^#/
next if line =~ /^\w*$/
line.chomp!
results << Regexp.new(line)
end
end
results
end
def load_cascading_files(file_glob, base_path, result_array, ignore_regexes)
Dir[file_glob].each do |file|
next if skip_file(file, ignore_regexes)
file =~ /^#{base_path}\/(.+)$/
singlecopy = $1
unless result_array.detect { |f| f =~ /#{singlecopy}$/ }
result_array << file
end
end
end
def load_files_unless_basename(file_glob, result_array, ignore_regexes)
Dir[file_glob].each do |file|
next if skip_file(file, ignore_regexes)
file_basename = File.basename(file)
# If we've seen a file with this basename before, skip it.
unless result_array.detect { |f| File.basename(f) == file_basename }
result_array << file
end
end
end
def skip_file(file, ignore_regexes)
skip = false
ignore_regexes.each do |exp|
skip = true if exp.match(file)
end
skip
end
end
end
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