forgot to add the telegraf_gateways.py script

also updated permissions on the plugs to be the same as my pfSense system

plugins/telegraf_gateways.py

@@ -0,0 +1,19 @@
+#!/usr/local/bin/python2.7
+# Taken From
+# https://forum.netgate.com/topic/142093/can-telegraf-package-gather-latency-packet-loss-information/3
+
+import glob, os, socket
+
+DPINGER_SOCK_PATH = "/var/run/"
+
+os.chdir(DPINGER_SOCK_PATH)
+
+for sock_name in glob.glob("dpinger*.sock"):
+    sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+    sock_path = DPINGER_SOCK_PATH+sock_name
+    s = sock.connect(sock_path)
+    line = sock.recv(1024).split('\n', 1)[0]
+    values = line.split()
+    print "gateways,gateway_name=" + values[0] + " rtt=" + str(int(values[1])/100.0) + \
+          ",rttsd=" + str(int(values[2])/100.0) + ",loss=" + str(int(values[3])) + "i"
+    sock.close()