add more global values

* organize global values
+ add global uptime value
+ add global processes count value

calls.py

@@ -75,6 +75,16 @@ class EjabberdApiCalls(EjabberdApi):
             return result
         return result["s2s_outgoing"]
 
+    def fetch_uptime(self):
+        result = self.cmd("stats", {"name": "uptimeseconds"})
+        if "stat" in result:
+            return result["stat"]
+
+    def fetch_processes(self):
+        result = self.cmd("stats", {"name": "processes"})
+        if "stat" in result:
+            return result["stat"]
+
     def fetch_registered_count(self, vhost=None):
         if vhost is None:
             result = self.cmd("stats", {"name": "registeredusers"})

metrics.py

@@ -210,6 +210,10 @@ class EjabberdMetrics(EjabberdApiCalls):
         data = {
             "registered": self.get_registered(),
             "muc": self.get_muc(),
+            "s2s_in": self.get_s2s_in(),
+            "s2s_out":  self.get_s2s_out(),
+            "uptime": self.fetch_uptime(),
+            "processes": self.fetch_processes(),
             "online_by_status": self.get_online_by_status(),
             "online_by_client": self.get_online_by_client(),
             "online_by_ipversion": self.get_online_by_ipversion(),
@@ -229,9 +233,7 @@ class EjabberdMetrics(EjabberdApiCalls):
 
         data["online_client_by_ipversion"] = self.get_online_client_by_ipversion()
         data["nodes"] = nodes
-        
-        data["s2s_in"] = self.get_s2s_in()
-        data["s2s_out"] = self.get_s2s_out()
+
         return data