test(inspec): no more need to mangle mapdata for hostname

We force the hostname in `kitchen` so the `_mapdata` files can be
static.

test/integration/default/controls/_mapdata_spec.rb

@@ -1,12 +1,7 @@
 # frozen_string_literal: true
 
-# Replace per minion strings
-replacement = {
-  hostname: system.hostname
-}
-
 mapdata_file = "_mapdata/#{system.platform[:finger].split('.').first}.yaml"
-mapdata_dump = inspec.profile.file(mapdata_file) % replacement
+mapdata_dump = inspec.profile.file(mapdata_file)
 
 control '`map.jinja` YAML dump' do
   title 'should contain the lines'

test/integration/default/files/_mapdata/amazonlinux-1.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/amazonlinux-2.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/arch-base-latest.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh
   client_version: latest

test/integration/default/files/_mapdata/centos-6.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/centos-7.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/centos-8.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/debian-10.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-client
   client_version: latest

test/integration/default/files/_mapdata/debian-9.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-client
   client_version: latest

test/integration/default/files/_mapdata/fedora-31.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/fedora-32.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-clients
   client_version: latest

test/integration/default/files/_mapdata/opensuse-15.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh
   client_version: latest

test/integration/default/files/_mapdata/ubuntu-16.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-client
   client_version: latest

test/integration/default/files/_mapdata/ubuntu-18.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-client
   client_version: latest

test/integration/default/files/_mapdata/ubuntu-20.yaml

@@ -42,7 +42,7 @@ openssh:
             present: false
   banner: /etc/ssh/banner
   banner_src: banner
-  banner_string: 'Welcome to %{hostname}!
+  banner_string: 'Welcome to example.net!
 '
   client: openssh-client
   client_version: latest

test/integration/share/README.md

@@ -10,7 +10,6 @@ It's goal is to share the libraries between all profiles.
 
 The `system` library provides easy access to system dependents informations:
 
-- `system.hostname`: return the result of `hostname -s` or `hostnamectl --static` based on the availability of each commans
 - `system.platform`: take `inspec.platform` and mangle things a bit to be useful
   - `system.platform[:family]` provides a family name for Arch
   - `system.platform[:name]` modify `amazon` to `amazonlinux`

test/integration/share/libraries/system.rb

@@ -4,47 +4,17 @@
 # Author: Daniel Dehennin <daniel.dehennin@ac-dijon.fr>
 # Copyright (C) 2020 Daniel Dehennin <daniel.dehennin@ac-dijon.fr>
 
-HOSTNAME_CMDS = %w[hostname hostnamectl].freeze
-HOSTNAME_CMDS_OPT = {
-  'hostname' => '-s',
-  'hostnamectl' => '--static'
-}.freeze
-
 class SystemResource < Inspec.resource(1)
   name 'system'
 
   attr_reader :platform
-  attr_reader :hostname
 
   def initialize
     @platform = build_platform
-    @hostname = found_hostname
   end
 
   private
 
-  def found_hostname
-    cmd = guess_hostname_cmd
-
-    unless cmd.exit_status.zero?
-      raise Inspec::Exceptions::ResourceSkipped,
-            "Error running '#{cmd}': #{cmd.stderr}"
-    end
-
-    cmd.stdout.chomp
-  end
-
-  def guess_hostname_cmd
-    HOSTNAME_CMDS.each do |cmd|
-      if inspec.command(cmd).exist?
-        return inspec.command("#{cmd} #{HOSTNAME_CMDS_OPT[cmd]}")
-      end
-    end
-
-    raise Inspec::Exceptions::ResourceSkipped,
-          "Error: #{@platform[:finger]}} has none of #{HOSTNAME_CMDS.join(', ')}"
-  end
-
   def build_platform
     {
       family: build_platform_family,