From 66a81c59f647639e14525a442423266916b66a19 Mon Sep 17 00:00:00 2001
From: Brock Tice <brock@splunk.blackmesawireless.com>
Date: Wed, 14 May 2014 08:49:32 -0600
Subject: [PATCH] Added thresholds to the munin plugin

---
 tristar_monitoring_ | 122 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 109 insertions(+), 13 deletions(-)

diff --git a/tristar_monitoring_ b/tristar_monitoring_
index 7a348d1..0202b30 100755
--- a/tristar_monitoring_
+++ b/tristar_monitoring_
@@ -1,16 +1,112 @@
-#!/bin/bash
+#!/usr/bin/env python
 
-HOSTNAME=`echo ${BASH_SOURCE[0]} | sed -r 's/^.*tristar_monitoring_(.*)$/\1/'`
-#printf "host_name %s\n" ${HOSTNAME}
+# Based on Morningstar documentation here
+# http://www.morningstarcorp.com/wp-content/uploads/2014/02/TSMPPT.APP_.Modbus.EN_.10.2.pdf
+# and heavily modified version of the script here
+# http://www.fieldlines.com/index.php?topic=147639.0
 
-case $1 in
-     config)
-	echo host_name ${HOSTNAME}
-	echo graph_title Panel Voltage
-	echo graph_vlabel voltage
-	echo voltage.label V
-	exit 0;;
-esac
+import sys
+import re
+import time
+counter = 0
 
-printf "voltage.value "
-/usr/local/bin/read_registers.py "${HOSTNAME}" | grep 'array voltage' | sed -r "s/^array voltage: +(.*)/\1/"
+script = sys.argv[0]
+host = re.sub(r".*tristar_monitoring_",'',script)
+
+if len(sys.argv) == 2:
+    if sys.argv[1] == "config":
+        print "host_name %s" % host
+        print "graph_category power"
+       	print "graph_title Solar Charge Controller Info"
+	print "graph_vlabel A bit of all (V, A, C)"
+	print "vPanel.label panel potential (V)"
+	print "vPanel.max   80"
+	print "vBattTerm.label battery potential at terminals (V)"
+        print "vBattTerm.max 32"
+        print "vBattTerm.warning 25:32"
+        print "vBattTerm.critical 24:33"
+	print "vBattSense.label battery potential sensing (V)"
+	print "vBattSense.max 32"
+	print "hsTemp.label heat sink temperature (C)"
+	print "hsTemp.max 120"
+        print "hsTemp.warning :60"
+        print "hsTemp.critical :80"
+	print "battTemp.label battery temperature (C)"
+	print "battTemp.max 120"
+	print "aPanel.label panel current (A)"
+	print "aPanel.max 20"
+        print "aPanel.warning :15"
+        print "aPanel.critical :19"
+	print "aBatt.label battery current (A)"
+	print "aBatt.max 20"
+        print "aBatt.warning :15"
+        print "aBatt.critical :19"
+        exit(0)
+# import the server implementation
+from pymodbus.client.sync import ModbusTcpClient as ModbusClient
+
+# configure the client logging
+import logging
+logging.basicConfig()
+log = logging.getLogger('./modbus.error')
+log.setLevel(logging.ERROR)
+
+client = ModbusClient(host,502)
+client.connect()
+
+# Define the State list
+state = ['Start', 'Night Check', 'Disconnected', 'Night', 'Fault!', 'MPPT', 'Absorption', 'FloatCharge', 'Equalizing', 'Slave']
+
+# read registers. Start at 0 for convenience
+rr = client.read_holding_registers(0,80,1)
+
+# for all indexes, subtract 1 from what's in the manual
+V_PU_hi = rr.registers[0]
+V_PU_lo = rr.registers[1]
+I_PU_hi = rr.registers[2]
+I_PU_lo = rr.registers[3]
+
+V_PU = float(V_PU_hi) + float(V_PU_lo)
+I_PU = float(I_PU_hi) + float(I_PU_lo)
+
+v_scale = V_PU * 2**(-15)
+i_scale = I_PU * 2**(-15)
+p_scale = V_PU * I_PU * 2**(-17)
+
+# battery sense voltage, filtered
+battsV = rr.registers[24] * v_scale
+battsSensedV = rr.registers[26] * v_scale
+battsI = rr.registers[28] * i_scale
+arrayV = rr.registers[27] * v_scale
+arrayI = rr.registers[29] * i_scale
+statenum = rr.registers[50]
+hsTemp = rr.registers[35] 
+rtsTemp = rr.registers[36]
+outPower = rr.registers[58] * p_scale
+inPower = rr.registers[59] * p_scale
+minVb_daily = rr.registers[64] * v_scale
+maxVb_daily = rr.registers[65] * v_scale
+minTb_daily = rr.registers[71]
+maxTb_daily = rr.registers[72]
+dipswitches = bin(rr.registers[48])[::-1][:-2].zfill(8)
+led_state = rr.registers
+print "vBattTerm.value %.2f" % battsV
+print "vBattSense.value %.2f" % battsSensedV
+print "aBatt.value %.2f" % battsI
+#print "battery watts:   %.2f" % (battsV*battsI)
+print "vPanel.value %.2f" % arrayV
+print "aPanel.value %.2f" % arrayI
+#print "array watts:     %.2f" % (arrayV*arrayI)
+print "hsTemp.value %.2f" % hsTemp
+print "battTemp.value %.2f" % rtsTemp
+#print "state:           %s" % state[statenum]
+#print "out power:       %0.2f" % outPower
+#print "in Power:        %0.2f" % inPower
+#print "min Vb daily:    %0.2f" % minVb_daily
+#print "max Vb daily:    %0.2f" % maxVb_daily
+#print "min Tb daily:    %0.2f" % minTb_daily
+#print "max Tb daily:    %0.2f" % maxTb_daily
+#print "dipswitches:     %s" % dipswitches
+#print "dipswitches:     12345678"
+#print ""
+client.close()