Implement support for remote reseat

The v2 generation of Lenovo servers supports remote reseat
for rackmount servers. Expose this as reseating bay '-1'.

Change-Id: Ie6135c030cd5f56970ea9f968f5f5fda8e053341

pyghmi/ipmi/oem/lenovo/handler.py

@@ -284,6 +284,8 @@ class OEMHandler(generic.OEMHandler):
     def reseat_bay(self, bay):
         if self.is_fpc:
             return self.smmhandler.reseat_bay(bay)
+        elif self.has_xcc and bay == -1:
+            return self.immhandler.reseat()
         return super(OEMHandler, self).reseat_bay(bay)
 
     def get_ntp_enabled(self):

pyghmi/ipmi/oem/lenovo/imm.py

@@ -860,6 +860,13 @@ class XCCClient(IMMClient):
         super(XCCClient, self).__init__(ipmicmd)
         self.adp_referer = None
 
+    def reseat(self):
+        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_description(self):
         dsc = self.wc.grab_json_response('/DeviceDescription.json')
         dsc = dsc[0]