Add support for [inventory] parameters

Depends-on: https://review.opendev.org/c/openstack/ironic/+/870470
Change-Id: I38b480f09332ad50c70fc35f175a0a9dd3826bc7

manifests/inventory.pp

@@ -0,0 +1,34 @@
+# == Class: ironic::inventory
+#
+# Configure the inventory parameters
+#
+# === Parameters
+#
+# [*data_backend*]
+#  (Optional) The storage backend for storing introspection data.
+#  Defaults to $::os_service_default.
+#
+# [*swift_data_container*]
+#  (Optional) The Swift introspection data container to store the inventory
+#  data.
+#  Defaults to $::os_service_default.
+#
+class ironic::inventory (
+  $data_backend         = $::os_service_default,
+  $swift_data_container = $::os_service_default,
+) {
+
+  include ironic::deps
+  include ironic::params
+
+  if ! is_service_default($data_backend) {
+    validate_legacy(Enum['none', 'database', 'swift'], 'validate_re', $data_backend,
+      ['^none$', '^database$', '^swift$'])
+  }
+
+  ironic_config {
+    'inventory/data_backend':         value => $data_backend;
+    'inventory/swift_data_container': value => $swift_data_container;
+  }
+
+}

releasenotes/notes/inventory-ffdad31e3fc409c5.yaml

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+---
+features:
+  - |
+    The new ``ironic::inventory`` class has been added.

spec/classes/ironic_inventory_spec.rb

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+require 'spec_helper'
+
+describe 'ironic::inventory' do
+
+  shared_examples_for 'ironic::inventory' do
+
+    context 'with default parameters' do
+      let :params do
+        {}
+      end
+
+      it 'configures default values' do
+        is_expected.to contain_ironic_config('inventory/data_backend').with_value('<SERVICE DEFAULT>')
+        is_expected.to contain_ironic_config('inventory/swift_data_container').with_value('<SERVICE DEFAULT>')
+      end
+    end
+
+    context 'with specific parameters' do
+      let :params do
+        {
+          :data_backend         => 'database',
+          :swift_data_container => 'introspection_data_container'
+        }
+      end
+
+      it 'configures specified values' do
+        is_expected.to contain_ironic_config('inventory/data_backend').with_value('database')
+        is_expected.to contain_ironic_config('inventory/swift_data_container').with_value('introspection_data_container')
+      end
+    end
+  end
+
+  on_supported_os({
+    :supported_os   => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge!(OSDefaults.get_facts())
+      end
+
+      it_configures 'ironic::inventory'
+    end
+  end
+
+end