+# frozen_string_literal: true
+
+# system.rb -- InSpec resources for system values
+# Author: Daniel Dehennin <daniel.dehennin@ac-dijon.fr>
+# Copyright (C) 2020 Daniel Dehennin <daniel.dehennin@ac-dijon.fr>
+
+class SystemResource < Inspec.resource(1)
+ name 'system'
+
+ attr_reader :platform
+
+ def initialize
+ super
+ @platform = build_platform
+ end
+
+ private
+
+ def build_platform
+ {
+ family: build_platform_family,
+ name: build_platform_name,
+ release: build_platform_release,
+ finger: build_platform_finger
+ }
+ end
+
+ def build_platform_family
+ case inspec.platform[:name]
+ when 'arch', 'gentoo'
+ inspec.platform[:name]
+ else
+ inspec.platform[:family]
+ end
+ end
+
+ def build_platform_name
+ case inspec.platform[:name]
+ when 'amazon', 'oracle'
+ "#{inspec.platform[:name]}linux"
+ when /^windows_/
+ inspec.platform[:family]
+ else
+ inspec.platform[:name]
+ end
+ end
+
+ # rubocop:disable Metrics/MethodLength,Metrics/AbcSize,Metrics/CyclomaticComplexity
+ def build_platform_release
+ case inspec.platform[:name]
+ when 'amazon'
+ # `2018` relase is named `1` in kitchen.yaml
+ inspec.platform[:release].gsub(/2018.*/, '1')
+ when 'arch'
+ 'base-latest'
+ when 'gentoo'
+ "#{inspec.platform[:release].split('.')[0]}-#{derive_gentoo_init_system}"
+ when 'opensuse'
+ # rubocop:disable Style/NumericLiterals,Layout/LineLength
+ inspec.platform[:release].to_i > 20210101 ? 'tumbleweed' : inspec.platform[:release]
+ # rubocop:enable Style/NumericLiterals,Layout/LineLength
+ when 'windows_8.1_pro'
+ '8.1'
+ when 'windows_server_2019_datacenter'
+ '2019-server'
+ when 'windows_server_2016_datacenter'
+ '2016-server'
+ else
+ inspec.platform[:release]
+ end
+ end
+ # rubocop:enable Metrics/MethodLength,Metrics/AbcSize,Metrics/CyclomaticComplexity
+
+ def derive_gentoo_init_system
+ inspec.command('systemctl').exist? ? 'sysd' : 'sysv'
+ end
+
+ def build_platform_finger
+ "#{build_platform_name}-#{build_finger_release}"
+ end
+
+ def build_finger_release
+ case inspec.platform[:name]
+ when 'ubuntu'
+ build_platform_release.split('.').slice(0, 2).join('.')
+ else
+ build_platform_release.split('.')[0]
+ end
+ end
+end