Add support for Ironic node shard attribute

Nodes can now have shards set and retrieved. This should enable use
of shard functionality for openstacksdk clients.

Change-Id: I30ae18a6338ec687c3377501acad0568c2520e1c

openstack/baremetal/v1/node.py

@@ -190,6 +190,9 @@ class Node(_common.ListMixin, resource.Resource):
     #: A string to be used by external schedulers to identify this node as a
     #: unit of a specific type of resource. Added in API microversion 1.21.
     resource_class = resource.Body("resource_class")
+    #: A string indicating the shard this node belongs to. Added in API
+    #: microversion 1,82.
+    shard = resource.Body("shard")
     #: Links to the collection of states.
     states = resource.Body("states", type=list)
     #: The requested state if a provisioning action has been requested. For

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

@@ -83,6 +83,7 @@ FAKE = {
     "reservation": None,
     "resource_class": None,
     "secure_boot": True,
+    "shard": "TestShard",
     "states": [
         {
             "href": "http://127.0.0.1:6385/v1/nodes/<NODE_ID>/states",

releasenotes/notes/ironic-node-shard-35f2557c3dbfff1d.yaml

@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Adds support for Node shards to baremetal service.