Add ability to retrieve user expiry

This allows a common piece of XCC information to be
provided.

Change-Id: Ia1f3aaa04acbcf30ecd58b9e037e21c427145282

pyghmi/ipmi/command.py

@@ -1765,13 +1765,17 @@ class Command(object):
                 ipmi_msg (bool)
                 privilege_level: (str)[callback, user, operatorm administrator,
                                        proprietary, no_access]
+            expiration:
+                None for 'unknown', 0 for no expiry, days to expire otherwise.
         """
         if channel is None:
             channel = self.get_network_channel()
         name = self.get_user_name(uid)
         access = self.get_user_access(uid, channel)
+        self.oem_init()
+        expiration = self._oem.get_user_expiration(uid)
         data = {'name': name, 'uid': uid, 'channel': channel,
-                'access': access['access']}
+                'access': access['access'], 'expiration': expiration}
         return data
 
     def get_name_uids(self, name, channel=None):

pyghmi/ipmi/oem/generic.py

@@ -364,3 +364,6 @@ class OEMHandler(object):
 
     def apply_license(self, filename, progress=None):
         raise exc.UnsupportedFunctionality()
+
+    def get_user_expiration(self, uid):
+        return None

pyghmi/ipmi/oem/lenovo/handler.py

@@ -980,7 +980,12 @@ class OEMHandler(generic.OEMHandler):
         if self.has_xcc:
             return self.immhandler.get_licenses()
         return super(OEMHandler, self).get_licenses()
-    
+
+    def get_user_expiration(self, uid):
+        if self.has_xcc:
+            return self.immhandler.get_user_expiration(uid)
+        return None
+
     def delete_license(self, name):
         if self.has_xcc:
             return self.immhandler.delete_license(name)

pyghmi/ipmi/oem/lenovo/imm.py

@@ -1836,3 +1836,14 @@ class XCCClient(IMMClient):
             self.wc.grab_json_response('/api/providers/imm_fod',
                                        {'FOD_LicenseKeyInstall': licpath})
         return self.get_licenses()
+
+    def get_user_expiration(self, uid):
+        uid = uid - 1
+        userinfo = self.wc.grab_json_response('/api/dataset/imm_users')
+        for user in userinfo['items'][0]['users']:
+            if user['users_user_id'] == uid:
+                days = user['users_pass_left_days']
+                if days == 366:
+                    return 0
+                else:
+                    return days