(#29) Ensure vault is updated when version changes

lib/facter/vault_version.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+# Fact: vault_version
+#
+# Purpose: Retrieve vault version if installed
+#
+Facter.add(:vault_version) do
+  setcode do
+    if Facter::Util::Resolution.which('vault')
+      vault_server_version_output = Facter::Util::Resolution.exec('vault version')
+      match = vault_server_version_output.match(%r{Vault v(\d+\.\d+\.\d+)})
+      match&.captures&.first
+    end
+  end
+end

manifests/install.pp

@@ -19,7 +19,13 @@
         extract_path => $vault::bin_dir,
         source       => $vault::real_download_url,
         cleanup      => true,
-        creates      => $vault_bin,
+        creates      => $facts['vault_version'] ? { # lint:ignore:selector_inside_resource
+          undef   => $vault_bin,
+          default => versioncmp($vault::version, $facts['vault_version']) > 0 ? {
+            true    => undef,
+            default => $vault_bin
+          }
+        },
         before       => File['vault_binary'],
       }