Fix for CLUSTER_SERVERS on Graphite-web v0.9.12, on Linux, when net.ipv4.ip_nonlocal_bind = 1 (usually set when using keepalived)

storage.patch

--- storage-orig.py     2014-08-25 19:24:37.357155937 -0700
+++ storage.py  2014-08-25 19:26:04.100154924 -0700
@@ -98,22 +98,18 @@
   if ':' in host:
     host = host.split(':',1)[0]
 
-  for port in xrange(1025, 65535):
-    try:
-      sock = socket.socket()
-      sock.bind( (host,port) )
-      sock.close()
-
-    except socket.error, e:
-      if e.args[0] == errno.EADDRNOTAVAIL:
-        return False
-      else:
-        continue
-
-    else:
-      return True
+  try:
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    sock.connect( (host, 4242) )
+    local_ip = sock.getsockname()[0]
+    sock.close()
+  except:
+    log.exception("Failed to open socket with %s" % host)
+    raise
+  if local_ip == host:
+    return True
 
-  raise Exception("Failed all attempts at binding to interface %s, last exception was %s" % (host, e))
+  return False
 
 
 def is_pattern(s):