From 9f4861c4cfc919cffc234cc40044d3bc84e8b086 Mon Sep 17 00:00:00 2001
From: Scott Sanders <jssjr@github.com>
Date: Tue, 16 Sep 2014 08:34:02 -0400
Subject: [PATCH] Implement statsd prefix sanitization

---
 gunicorn/instrument/statsd.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gunicorn/instrument/statsd.py b/gunicorn/instrument/statsd.py
index 3f6425f8..fcd16bc2 100644
--- a/gunicorn/instrument/statsd.py
+++ b/gunicorn/instrument/statsd.py
@@ -26,8 +26,7 @@ class Statsd(Logger):
         """host, port: statsD server
         """
         Logger.__init__(self, cfg)
-        prefix_regex = re.compile(r"\.*$")
-        self.prefix = prefix_regex.sub(".", cfg.statsd_prefix)
+        self.prefix = re.sub(r"^(.+[^.]+)\.*$", "\g<1>.", cfg.statsd_prefix)
         try:
             host, port = cfg.statsd_host
             self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)