Adds support for node hardware inventory

Adds support for querying a node's hardware inventory as per
functionality introduced in API 1.81.

Change-Id: I218f3458d701ee9d0ff163884ee6f09992e84363

openstack/baremetal/v1/_proxy.py

@@ -332,6 +332,19 @@ class Proxy(proxy.Proxy):
         """
         return self._get_with_fields(_node.Node, node, fields=fields)
 
+    def get_node_inventory(self, node):
+        """Get a specific node's hardware inventory.
+
+        :param node: The value can be the name or ID of a node or a
+            :class:`~openstack.baremetal.v1.node.Node` instance.
+
+        :returns: The node inventory
+        :raises: :class:`~openstack.exceptions.ResourceNotFound` when no
+            inventory could be found.
+        """
+        res = self._get_resource(_node.Node, node)
+        return res.get_node_inventory(self, node)
+
     def update_node(self, node, retry_on_conflict=True, **attrs):
         """Update a node.
 

openstack/baremetal/v1/node.py

@@ -96,8 +96,8 @@ class Node(_common.ListMixin, resource.Resource):
         is_maintenance='maintenance',
     )
 
-    # Ability to change boot_mode and secure_boot, introduced in 1.76 (Xena).
+    # Ability to get node inventory, introduced in 1.81 (Antelope).
-    _max_microversion = '1.76'
+    _max_microversion = '1.81'
 
     # Properties
     #: The UUID of the allocation associated with this node. Added in API
@@ -1312,6 +1312,25 @@ class Node(_common.ListMixin, resource.Resource):
         )
         exceptions.raise_from_response(response, error_message=msg)
 
+    def get_node_inventory(self, session, node_id):
+        session = self._get_session(session)
+        version = self._get_microversion(session, action='fetch')
+        request = self._prepare_request(requires_id=True)
+        request.url = utils.urljoin(request.url, 'inventory')
+
+        response = session.get(
+            request.url,
+            headers=request.headers,
+            microversion=version,
+            retriable_status_codes=_common.RETRIABLE_STATUS_CODES,
+        )
+
+        msg = "Failed to get inventory for node {node}".format(
+            node=node_id,
+        )
+        exceptions.raise_from_response(response, error_message=msg)
+        return response.json()
+
     def patch(
         self,
         session,

openstack/tests/unit/baremetal/v1/test_node.py

@@ -1165,3 +1165,46 @@ class TestNodeConsole(base.TestCase):
             self.session,
             'true',  # not a bool
         )
+
+
+@mock.patch.object(node.Node, 'fetch', lambda self, session: self)
+@mock.patch.object(exceptions, 'raise_from_response', mock.Mock())
+class TestNodeInventory(base.TestCase):
+    def setUp(self):
+        super().setUp()
+        self.node = node.Node(**FAKE)
+        self.session = mock.Mock(
+            spec=adapter.Adapter,
+            default_microversion='1.81',
+        )
+
+    def test_get_inventory(self):
+        node_inventory = {
+            'inventory': {
+                'memory': {'physical_mb': 3072},
+                'cpu': {
+                    'count': 1,
+                    'model_name': 'qemu64',
+                    'architecture': 'x86_64',
+                },
+                'disks': [{'name': 'testvm1.qcow2', 'size': 11811160064}],
+                'interfaces': [{'mac_address': '52:54:00:c7:02:45'}],
+                'system_vendor': {
+                    'product_name': 'testvm1',
+                    'manufacturer': 'Sushy Emulator',
+                },
+                'boot': {'current_boot_mode': 'uefi'},
+            },
+            'plugin_data': {'fake_plugin_data'},
+        }
+        self.session.get.return_value.json.return_value = node_inventory
+
+        res = self.node.get_node_inventory(self.session, self.node.id)
+        self.assertEqual(node_inventory, res)
+
+        self.session.get.assert_called_once_with(
+            'nodes/%s/inventory' % self.node.id,
+            headers=mock.ANY,
+            microversion='1.81',
+            retriable_status_codes=_common.RETRIABLE_STATUS_CODES,
+        )

releasenotes/notes/add-node-inventory-52f54e16777814e7.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Adds support for querying a node's hardware inventory as per functionality
+    introduced in API 1.81.