Adding VerifyBiosAttributes functionality (#5900)

* Adding VerifyBiosAttributes functionality

* Updating authors information

* PR comment changes

* Update plugins/modules/redfish_command.py

Agreed

Co-authored-by: Felix Fontein <felix@fontein.de>

* Adding author as redfish maintainer

* Adding changelog fragment

* Update changelogs/fragments/5900-adding-verifybiosattribute-fucntionality-to-redfish-command.yml

Agreed

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Kushal <t-s.kushal@hpe.com>
Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/module_utils/redfish_utils.py

@@ -3163,3 +3163,38 @@ class RedfishUtils(object):
         if resp['ret'] and resp['changed']:
             resp['msg'] = 'Modified session service'
         return resp
+
+    def verify_bios_attributes(self, bios_attributes):
+        # This method verifies BIOS attributes against the provided input
+        server_bios = self.get_multi_bios_attributes()
+        if server_bios["ret"] is False:
+            return server_bios
+
+        bios_dict = {}
+        wrong_param = {}
+
+        # Verify bios_attributes with BIOS settings available in the server
+        for key, value in bios_attributes.items():
+            if key in server_bios["entries"][0][1]:
+                if server_bios["entries"][0][1][key] != value:
+                    bios_dict.update({key: value})
+            else:
+                wrong_param.update({key: value})
+
+        if wrong_param:
+            return {
+                "ret": False,
+                "msg": "Wrong parameters are provided: %s" % wrong_param
+            }
+
+        if bios_dict:
+            return {
+                "ret": False,
+                "msg": "BIOS parameters are not matching: %s" % bios_dict
+            }
+
+        return {
+            "ret": True,
+            "changed": False,
+            "msg": "BIOS verification completed"
+        }