libraries/resource_chef_dk_app_mac_os_x.rb
# encoding: utf-8
# frozen_string_literal: true
#
# Cookbook Name:: chef-dk
# Library:: resource_chef_dk_app_mac_os_x
#
# Copyright 2014-2016, Jonathan Hartman
#
# 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/mixin/shell_out'
require_relative 'resource_chef_dk_app'
class Chef
class Resource
# A Chef resource for the Chef-DK Mac OS X packages.
#
# @author Jonathan Hartman <j@p4nt5.com>
class ChefDkAppMacOsX < ChefDkApp
include Chef::Mixin::ShellOut
provides :chef_dk_app, platform_family: 'mac_os_x'
action_class.class_eval do
#
# Download a MacOS package file from the URL provided by the Omnitruck
# API and install it.
#
# (see Chef::Resource::ChefDkApp#install_direct!
#
def install_direct!
do_dmg_package_resource!
end
#
# Configure Homebrew and install the Chef-DK cask.
#
# (see Chef::Resource::ChefDkApp#install_repo!
#
def install_repo!
if new_resource.version != 'latest'
raise(Chef::Exceptions::UnsupportedAction,
'A version property cannot be used with the :repo source')
end
if new_resource.channel != :stable
raise(Chef::Exceptions::UnsupportedAction,
'A channel property cannot be used with the :repo source')
end
include_recipe 'homebrew'
homebrew_cask 'chefdk'
end
#
# Download a MacOS package file from a custom URL and install it.
#
# (see Chef::Resource::ChefDkApp#install_custom!
#
def install_custom!
do_dmg_package_resource!
end
#
# Download the latest MacOS package from the Omnitruck API and install
# it.
#
# (see Chef::Resource::ChefDkApp#upgrade_direct!)
#
def upgrade_direct!
do_dmg_package_resource!
end
#
# There is no upgrade option for Homebrew casks, so raise an error.
#
# (see Chef::Resource::ChefDkApp#upgrade_repo!)
#
def upgrade_repo!
raise(Chef::Exceptions::UnsupportedAction,
'Repo installs do not support the :upgrade action')
end
#
# For non-repo installs, all we can do is clean up the app directories
# manually and forget the chefdk package from pkgutil.
#
%i(remove_direct! remove_custom!).each do |m|
define_method(m) do
['/opt/chefdk', ::File.expand_path('~/.chefdk')].each do |d|
directory d do
recursive true
action :delete
end
end
execute 'pkgutil --forget com.getchef.pkg.chefdk' do
only_if 'pkgutil --pkg-info com.getchef.pkg.chefdk'
end
end
end
#
# Uninstall the Chef-DK brew cask.
#
# (see Chef::Resource::ChefDkApp#remove_repo!)
#
def remove_repo!
homebrew_cask('chefdk') { action :uninstall }
end
#
# Perform the appropriate action with a dmg_package resource that can
# be shared between direct and custom installs.
#
def do_dmg_package_resource!
dmg_package 'Chef Development Kit' do
app dmg_package_app
volumes_dir 'Chef Development Kit'
source dmg_package_source
type 'pkg'
package_id 'com.getchef.pkg.chefdk'
checksum dmg_package_checksum
end
end
#
# Determine the checksum for a given package. This comes from Omnitruck
# for an Omnitruck-based install or can be fed in by the user for a
# custom install.
#
# @return [String, NilClass] A checksum string or nil
#
def dmg_package_checksum
case new_resource.source
when :direct
package_metadata[:sha256]
else
new_resource.checksum
end
end
#
# Determine the app name for a given package. This can normally be
# found by stripping the '.dmg' off the end of the package file.
#
# @return [String] A dmg_package app name
#
def dmg_package_app
case new_resource.source
when :direct
::File.basename(package_metadata[:url], '.dmg')
else
::File.basename(new_resource.source.to_s, '.dmg')
end
end
#
# Return the correct source string for a given path. For the
# dmg_package resource, sources that are paths on the filesystem have
# to start with "file://".
#
# @return [String] That path ready to be fed to a dmg_package
#
def dmg_package_source
if %i(direct repo).include?(new_resource.source)
return package_metadata[:url]
end
path = new_resource.source.to_s
(path.start_with?('/') ? 'file://' : '') + path
end
end
#
# Shell out to pkgutil to find the installed version of the Chef-DK.
#
# @return [String, FalseClass] "major.minor.patch", "latest", or false
#
def installed_version
sh = shell_out('pkgutil --pkg-info com.getchef.pkg.chefdk')
return false if sh.exitstatus.nonzero?
ver = sh.stdout.match(/^version:\W+([0-9]+\.[0-9]+\.[0-9]+)$/)[1]
ver == package_metadata[:version] ? 'latest' : ver
end
end
end
end