remove connections counter

karapace/metrics.py

@@ -15,12 +15,7 @@
 from karapace.prometheus import PrometheusClient
 from karapace.statsd import StatsdClient
 
-import os
-import psutil
-import schedule
 import threading
-import time
-
 
 class MetricsException(Exception):
     pass
@@ -43,8 +38,6 @@ def __init__(
         self,
     ) -> None:
         self.is_ready = False
-        self.stop_event = threading.Event()
-        self.worker_thread = threading.Thread(target=self.worker)
         self.lock = threading.Lock()
 
     def setup(self, config: Config) -> None:
@@ -62,8 +55,6 @@ def setup(self, config: Config) -> None:
             else:
                 raise MetricsException('Config variable "stats_service" is not defined')
             self.is_ready = True
-            schedule.every(10).seconds.do(self.connections)
-            self.worker_thread.start()
 
     def request(self, size: int) -> None:
         if not self.is_ready or self.stats_client is None:
@@ -100,31 +91,8 @@ def error(self) -> None:
             raise RuntimeError("no StatsClient available")
         self.stats_client.increase("error_total", 1)
 
-    def connections(self) -> None:
-        if not self.is_ready or self.stats_client is None:
-            return
-        if not isinstance(self.stats_client, StatsClient):
-            raise RuntimeError("no StatsClient available")
-        connections = 0
-        karapace_proc = psutil.Process(os.getpid())
-
-        for conn in karapace_proc.connections(kind="tcp"):
-            if conn.laddr and conn.status == "ESTABLISHED":
-                connections += 1
-        self.stats_client.gauge("connections-active", connections)
-
-    def worker(self) -> None:
-        while True:
-            if self.stop_event.is_set():
-                break
-            schedule.run_pending()
-            time.sleep(1)
-
     def cleanup(self) -> None:
         if self.stats_client:
             self.stats_client.close()
         if not self.is_ready:
             return
-        self.stop_event.set()
-        if self.worker_thread.is_alive():
-            self.worker_thread.join()