add the ability to install gem as package when specified

Signed-off-by: Victoria Jeffrey <vjeffrey@chef.io>

attributes/default.rb

@@ -22,6 +22,10 @@
 # root of location must host the *specs.4.8.gz source index
 default['audit']['inspec_gem_source'] = nil
 
+# Used in cases where the desired install of inspec is via package instead of gem
+# Default to false, set to true if needed. Setting to true will skip the inspec recipe and use inspec_package recipe
+default['audit']['inspec_package'] = false
+
 # collector possible values: chef-server, chef-compliance, chef-visibility, chef-server-visibility, json-file
 # chef-visibility requires inspec version 0.27.1 or above
 default['audit']['collector'] = 'chef-server'

metadata.rb

@@ -13,3 +13,4 @@
 chef_version '>= 12.5.1' if respond_to?(:chef_version)
 
 depends 'compat_resource'
+depends 'chef-ingredient'

recipes/default.rb

@@ -17,6 +17,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-include_recipe 'audit::inspec'
-
-load_audit_handler
+if node['audit']['inspec_package']
+  include_recipe 'audit::inspec_package'
+else
+  include_recipe 'audit::inspec'
+  load_audit_handler
+end

recipes/inspec_package.rb

@@ -0,0 +1,28 @@
+# encoding: utf-8
+#
+# Cookbook Name:: audit
+# Recipe:: inspec_package
+#
+# Copyright 2016 Chef Software, Inc.
+#
+# 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.
+
+chef_ingredient 'inspec' do
+  version node['audit']['inspec_version'] if node['audit']['inspec_version'] != 'latest'
+  accept_license true
+  action :upgrade
+end
+
+load_inspec_libs
+
+load_audit_handler

spec/unit/recipes/default_spec.rb

@@ -69,6 +69,39 @@
     end
   end
 
+  context 'When a package install is specified' do
+    let(:chef_run) do
+      ChefSpec::ServerRunner.new do |node|
+        node.override['audit']['inspec_package'] = true
+      end.converge(described_recipe)
+    end
+
+    it 'does not install the inspec gem' do
+      expect(chef_run).to_not install_chef_gem('inspec')
+    end
+
+    it 'upgrades the inspec resource' do
+      expect(chef_run).to upgrade_chef_ingredient('inspec')
+    end
+
+    it 'converges successfully' do
+      expect { chef_run }.to_not raise_error
+    end
+  end
+
+  context 'When a package install and a version is specified' do
+    let(:chef_run) do
+      ChefSpec::ServerRunner.new do |node|
+        node.override['audit']['inspec_version'] = '0.0.0'
+        node.override['audit']['inspec_package'] = true
+      end.converge(described_recipe)
+    end
+
+    it 'installs the correct package version' do
+      expect(chef_run).to upgrade_chef_ingredient('inspec').with(version: '0.0.0')
+    end
+  end
+
   context 'When server and refresh_token are specified' do
     let(:chef_run) do
       ChefSpec::ServerRunner.new do |node|