Add reseat to redfish command for XCC

This will allow XCC users doing redfish to reseat
using the HTTPS api.

Change-Id: Ib0582f4aafb20cd94972f2080df673fbd3abbab3

pyghmi/redfish/command.py

@@ -527,6 +527,17 @@ class Command(object):
         currinfo = self._do_web_request(self.sysurl, cache=False)
         return {'powerstate': str(currinfo['PowerState'].lower())}
 
+    def reseat_bay(self, bay):
+        """Request the reseat of a bay
+
+        Request the enclosure manager to reseat the system in a particular
+        bay.
+
+        :param bay: The bay identifier to reseat
+        :return:
+        """
+        self.oem.reseat_bay(bay)
+
     def set_power(self, powerstate, wait=False):
         if powerstate == 'boot':
             oldpowerstate = self.get_power()['powerstate']

pyghmi/redfish/oem/generic.py

@@ -398,3 +398,7 @@ class OEMHandler(object):
 
     def get_user_expiration(self, uid):
         return None
+
+    def reseat_bay(self, bay):
+        raise exc.UnsupportedFunctionality(
+            'Bay reseat not supported on this platform')

pyghmi/redfish/oem/lenovo/xcc.py

@@ -95,6 +95,16 @@ class OEMHandler(generic.OEMHandler):
         self.updating = False
         self.datacache = {}
 
+    def reseat_bay(self, bay):
+        if bay != -1:
+            raise pygexc.UnsupportedFunctionality(
+                'This is not an enclosure manager')
+        rsp = self.wc.grab_json_response_with_status(
+            '/api/providers/virt_reseat', '{}')
+        if rsp[1] != 200 or rsp[0].get('return', 1) != 0:
+            raise pygexc.UnsupportedFunctionality(
+                'This platform does not support AC reseat.')
+
     def get_cached_data(self, attribute, age=30):
         try:
             kv = self.datacache[attribute]