cosmostat working

files/api/Cosmostat.py

@@ -93,15 +93,33 @@ class CosmostatServer:
     def get_client_hostname(self, system_uuid: str):
         client = self.get_system(system_uuid)    
         return client.hostname
+
+    def get_client_timestamp(self, system_hostname: str):
+        client = self.get_system(get_uuid_from_hostname(system_hostname))    
+        return client.data_timestamp
     
-    def get_client_hostnames(self, send_age = False):
-        result = []
+    def get_uuid_from_hostname(self, system_hostname):
+        result = ""
         for system in self.systems:
-            data_age = time.time() - system.data_timestamp
-            if int(data_age) > 60:
-                self.systems.remove(system)
-            else:
-                result.append(system.hostname)
+            if system.hostname == system_hostname:
+                result = system.uuid
+        return result
+
+    def get_client_hostnames(self, send_age = False):
+        now = time.time()
+        fresh_systems = []
+        result = []
+
+        for system in self.systems:
+            age = now - system.data_timestamp
+            if age <= 60:          # keep only fresh servers
+                fresh_systems.append(system)
+                if send_age:
+                    result.append({"hostname": system.hostname, "data_age": age})
+                else:
+                    result.append(system.hostname)
+
+        self.systems = fresh_systems      # replace the old list
         return result