Merge "Add parent_id to host fields"

cratonclient/tests/unit/shell/v1/test_hosts_shell.py

@@ -111,6 +111,7 @@ class TestDoHostList(base.TestShellCommandUsingPrintList):
             'labels',
             'name',
             'note',
+            'parent_id',
             'project_id',
             'region_id',
             'updated_at',

cratonclient/v1/hosts.py

@@ -42,4 +42,5 @@ HOST_FIELDS = {
     'created_at': 'Created At',
     'updated_at': 'Updated At',
     'labels': 'Labels',
+    'parent_id': 'Parent ID',
 }