Implements the DRAC ManagementInterface for get/set boot device

What it says. The get_sensors_data() won't be implemented as part of
this patch because it's outside the scope of the blueprint.

Co-Authored-By: Imre Farkas <ifarkas@redhat.com>
Implements blueprint drac-management-driver
Change-Id: I9cae3156b6af016bfbf64cb3c117fdec8536f714

1 files changed, 7 insertions, 2 deletions

diff --git a/ironic/drivers/modules/drac/common.py b/ironic/drivers/modules/drac/common.py
index a9ae83765..dedf89ea0 100644
--- a/ironic/drivers/modules/drac/common.py
+++ b/ironic/drivers/modules/drac/common.py
@@ -100,15 +100,20 @@ def get_wsman_client(node):
     return client
 
 
-def find_xml(doc, item, namespace):
+def find_xml(doc, item, namespace, find_all=False):
     """Find the first or all elements in a ElementTree object.
 
     :param doc: the element tree object.
     :param item: the element name.
     :param namespace: the namespace of the element.
-    :returns: The element object or None if the element is not found.
+    :param find_all: Boolean value, if True find all elements, if False
+                     find only the first one. Defaults to False.
+    :returns: The element object if find_all is False or a list of
+              element objects if find_all is True.
 
     """
     query = ('.//{%(namespace)s}%(item)s' % {'namespace': namespace,
                                              'item': item})
+    if find_all:
+        return doc.findall(query)
     return doc.find(query)