From 981bd3ad7fd69e69a48d5fa7734529301968c168 Mon Sep 17 00:00:00 2001
From: Jonathan Creasy <jonathan.creasy@gmail.com>
Date: Tue, 27 Oct 2020 23:41:39 -0400
Subject: [PATCH] hadoop_http.py: use exit 1 when interfaces are not listening

---
 collectors/lib/hadoop_http.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/collectors/lib/hadoop_http.py b/collectors/lib/hadoop_http.py
index e99aee8ad..0a50ad9c6 100644
--- a/collectors/lib/hadoop_http.py
+++ b/collectors/lib/hadoop_http.py
@@ -27,9 +27,11 @@
 try:
     # noinspection PyCompatibility
     from http.client import HTTPConnection
+    from http.client import NotConnected
 except ImportError:
     # noinspection PyUnresolvedReferences,PyCompatibility
     from httplib import HTTPConnection
+    from httplib import NotConnected
 
 
 EXCLUDED_KEYS = (
@@ -65,7 +67,11 @@ def request(self):
         try:
             self.server.request('GET', self.uri)
             resp = self.server.getresponse().read()
-        except:
+        except ConnectionRefusedError as exc:
+            sys.stderr.write("Could not connect to %s" % (self.uri))
+            sys.exit(1)
+        except Exception as exc:
+            sys.stderr.write("Unexpected error: %s" % (exc))
             resp = '{}'
         finally:
             self.server.close()