Add GetChassisPower command to Chassis category of redfish_facts (#54314)

* Add GetChassisPower as viable Chassis command in redfish_facts

* Add conditional to catch command == 'GetChassisPower'

* Implement get_chassis_power() retrieving Watts-related and other useful power data from each Chassis

* Add RelatedItem property and remove MemberId property

* Check for length of data['PowerControl'] to be > 0 before checking index 0 of the list.

* Fix return statement being inside loop and result key not being 'entries' as is expected

* Update lib/ansible/module_utils/redfish_utils.py

Co-Authored-By: xmadsen <xander.madsen@gmail.com>

* Update lib/ansible/module_utils/redfish_utils.py

Co-Authored-By: xmadsen <xander.madsen@gmail.com>

* Update redfish_facts.py

lib/ansible/module_utils/redfish_utils.py

@@ -920,6 +920,44 @@ class RedfishUtils(object):
         result["entries"] = fan_results
         return result
 
+    def get_chassis_power(self):
+        result = {}
+        key = "Power"
+
+        # Get these entries, but does not fail if not found
+        properties = ['Name', 'PowerAllocatedWatts',
+                      'PowerAvailableWatts', 'PowerCapacityWatts',
+                      'PowerConsumedWatts', 'PowerMetrics',
+                      'PowerRequestedWatts', 'RelatedItem', 'Status']
+
+        chassis_power_results = []
+        # Go through list
+        for chassis_uri in self.chassis_uri_list:
+            chassis_power_result = {}
+            response = self.get_request(self.root_uri + chassis_uri)
+            if response['ret'] is False:
+                return response
+            result['ret'] = True
+            data = response['data']
+            if key in data:
+                response = self.get_request(self.root_uri + chassis_uri +
+                                            "/" + key)
+                data = response['data']
+                if 'PowerControl' in data:
+                    if len(data['PowerControl']) > 0:
+                        data = data['PowerControl'][0]
+                        for property in properties:
+                            if property in data:
+                                chassis_power_result[property] = data[property]
+                else:
+                    return {'ret': False, 'msg': 'Key PowerControl not found.'}
+                chassis_power_results.append(chassis_power_result)
+            else:
+                return {'ret': False, 'msg': 'Key Power not found.'}
+
+        result['entries'] = chassis_power_results
+        return result
+
     def get_chassis_thermals(self):
         result = {}
         sensors = []

lib/ansible/modules/remote_management/redfish/redfish_facts.py

@@ -170,7 +170,7 @@ CATEGORY_COMMANDS_ALL = {
                 "GetMemoryInventory", "GetNicInventory",
                 "GetStorageControllerInventory", "GetDiskInventory",
                 "GetBiosAttributes", "GetBootOrder"],
-    "Chassis": ["GetFanInventory", "GetPsuInventory", "GetChassisThermals"],
+    "Chassis": ["GetFanInventory", "GetPsuInventory", "GetChassisPower", "GetChassisThermals"],
     "Accounts": ["ListUsers"],
     "Update": ["GetFirmwareInventory", "GetFirmwareUpdateCapabilities"],
     "Manager": ["GetManagerNicInventory", "GetLogs"],
@@ -281,6 +281,8 @@ def main():
                     result["psu"] = rf_utils.get_psu_inventory()
                 elif command == "GetChassisThermals":
                     result["thermals"] = rf_utils.get_chassis_thermals()
+                elif command == "GetChassisPower":
+                    result["chassis_power"] = rf_utils.get_chassis_power()
 
         elif category == "Accounts":
             # execute only if we find an Account service resource