Update exporter.py

exporter.py

@@ -1,7 +1,8 @@
 import time
+import threading
 import docker
-from prometheus_client import start_http_server, Gauge, Counter, Info
-from concurrent.futures import ThreadPoolExecutor
+from prometheus_client import start_http_server, Gauge, Counter
+from concurrent.futures import ThreadPoolExecutor, wait, FIRST_EXCEPTION
 
 client = docker.from_env()
 
@@ -49,12 +50,19 @@ def collect_one(c):
     except Exception:
         pass
 
-def collect():
-    containers = client.containers.list()
-    with ThreadPoolExecutor(max_workers=10) as executor:
-        executor.map(collect_one, containers)
-
-start_http_server(9338)
+def collect_loop():
     while True:
-    collect()
+        try:
+            containers = client.containers.list()
+            with ThreadPoolExecutor(max_workers=20) as executor:
+                executor.map(collect_one, containers)
+        except Exception:
+            pass
         time.sleep(15)
+
+threading.Thread(target=collect_loop, daemon=True).start()
+start_http_server(9338)
+
+while True:
+    time.sleep(60)
+