Add fact for nomad_node_id

lib/facter/nomad_node_id.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+# nomad_node_id.rb
+#
+Facter.add(:nomad_node_id) do
+  confine do
+    File.readable?('/var/lib/nomad/server/node-id')
+  end
+  setcode do
+    File.read('/var/lib/nomad/server/node-id').chomp      
+  rescue StandardError
+    nil
+  end
+end

spec/acceptance/fact_spec.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require 'spec_helper_acceptance'
+
+describe 'nomad class' do
+  context 'facts' do    
+    pp = <<-EOS
+      class { 'nomad':
+        config_hash => {
+        region     => 'us-west',
+        datacenter => 'ptk',
+        log_level  => 'INFO',
+        bind_addr  => "0.0.0.0",
+        data_dir   => "/var/lib/nomad",
+        server     => {
+            enabled          => true,
+            bootstrap_expect => 1
+          }
+        }
+      }
+    EOS
+
+    fact_notices = <<-EOS
+      notify{"nomad_node_id: ${facts['nomad_node_id']}":}
+      notify{"nomad_version: ${facts['nomad_version']}":}
+    EOS
+
+    # rubocop:disable RSpec/RepeatedExample
+    it 'outputs nomad facts when not installed' do
+      apply_manifest(fact_notices, catch_failures: true) do |r|
+        expect(r.stdout).to match(%r{nomad_node_id: \S+})
+        expect(r.stdout).to match(%r{nomad_version: \S+})
+      end
+    end
+
+    it 'sets up nomad' do
+      apply_manifest(pp, catch_failures: true)
+    end
+
+    it 'outputs nomad facts when installed' do
+      apply_manifest(fact_notices, catch_failures: true) do |r|
+        expect(r.stdout).to match(%r{nomad_node_id: \S+})
+        expect(r.stdout).to match(%r{nomad_version: \S+})
+      end
+    end
+    # rubocop:enable RSpec/RepeatedExample    
+  end
+end