refactor: encaps create/update logic in upsert

agent.py

@@ -244,6 +244,36 @@ class ServerManager:
                 return server['id']
         return None
 
+    def upsert_server(self, post_data):
+        server_id = self.existing_server_id(post_data)
+
+        if server_id:
+            logging.info('Server already exists with id: {}, Updating...'.format(server_id))
+            response = self.update_server(post_data, server_id)
+        else:
+            logging.info('Server does not exist, Creating...')
+            response = self.create_server(post_data)
+
+        # Extract the server_id from the response
+        server_id = response.get('server_id', None)
+        if server_id is None:
+            logging.error('Failed to get server_id from response: {}'.format(response))
+            raise ValueError('Failed to get server_id from response')
+
+        return server_id
+    
+    def upsert_note(self, note_data, server_id):
+        note_data['service_id'] = server_id
+        try:
+            note = self.get_note(server_id)
+        except urllib.error.HTTPError:
+            note = None
+
+        if note:
+            return self.update_note(note_data, server_id)
+        else:
+            return self.create_note(note_data)
+
 def validate_env_vars():
     api_key = os.getenv('AGENT_API')
     host = os.getenv('HOST')
@@ -263,26 +293,11 @@ def main():
 
     server_manager = ServerManager(host, api_key)
 
-    # Check if the server already exists
+    server_id = server_manager.upsert_server(post_data)
-    server_id = server_manager.existing_server_id(post_data)
+    logging.info('Server id: {}'.format(server_id))
-
-    # If the server exists, update it
-    if server_id:
-        logging.info('Server already exists with id: {}, Updating...'.format(server_id))
-        logging.info(server_manager.update_server(post_data, server_id))
-    else:
-        logging.info('Server does not exist, Creating...')
-        logging.info(server_manager.create_server(post_data))
 
     note_data = server_data.create_note_data(server_id)
-    try:
+    server_manager.upsert_note(note_data, server_id)
-        note = server_manager.get_note(server_id)
-    except urllib.error.HTTPError:
-        note = None
-    if note:
-        server_manager.update_note(note_data, server_id)
-    else:
-        server_manager.create_note(note_data)
 
 if __name__ == '__main__':
     main()