Add support for setting shard key on baremetal node

Ironic supports setting a shard key on baremetal nodes
which can be used to scale out the Nova Compute Ironic
service. This change adds support for setting the shard
key.

Change-Id: I9694470a8ce6d964d6251bda4463f025bd4245e0
Signed-off-by: Doug Szumski <doug@stackhpc.com>

changelogs/fragments/add_shard_key_field_for_baremetal_node.yaml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - Add support for setting the shard key on a baremetal node.

ci/roles/baremetal_inspect/defaults/main.yml

@@ -46,6 +46,7 @@ expected_fields:
   - reservation
   - resource_class
   - retired_reason
+  - shard
   - states
   - storage_interface
   - target_power_state

ci/roles/baremetal_node/defaults/main.yml

@@ -46,6 +46,7 @@ expected_fields:
   - reservation
   - resource_class
   - retired_reason
+  - shard
   - states
   - storage_interface
   - target_power_state

plugins/modules/baremetal_inspect.py

@@ -243,6 +243,10 @@ node:
     retired_reason:
       description: TODO
       type: str
+    shard:
+      description: The shard key for a node.
+      returned: success
+      type: str
     states:
       description: |
         Links to the collection of states. Note that this resource is also

plugins/modules/baremetal_node.py

@@ -437,6 +437,10 @@ node:
             description: The reason the node is marked as retired.
             returned: success
             type: str
+        shard:
+            description: The shard key for a node.
+            returned: success
+            type: str
         states:
             description: Links to the collection of states.
             returned: success

plugins/modules/baremetal_node_info.py

@@ -289,6 +289,10 @@ nodes:
             description: The reason the node is marked as retired.
             returned: success
             type: str
+        shard:
+            description: The shard key for a node.
+            returned: success
+            type: str
         states:
             description: Links to the collection of states.
             returned: success