first version with combined plugin for pressure, temperature, and power

contrib/munin/README.md

@@ -8,9 +8,9 @@ Personally, I use them for checking mainly temperatures, pressures and earned en
 - prerequisite is of course a running munin installation on the local host
 - to install the plugins:
   - git checkout https://github.com/john30/ebusd-munin.git
-  - chmod a+x ebusd-munin/plugins/*
+  - sudo cp ebusd-munin/plugins/* /usr/share/munin/plugins/
-  - sudo cp ebusd-munin/plugins/* /etc/munin/plugins
   - sudo munin-node-configure --shell
-  - run all "ln -s" commands printed by munin-node-configure
+  - run all "ln -s" commands printed by munin-node-configure and containing "ebusd_"
   - sudo service munin-node reload
-  - that's it
+
+that's it.

contrib/munin/plugins/ebusd_

@@ -0,0 +1,46 @@
+#!/bin/bash
+#%# family=auto
+#%# capabilities=autoconf
+#%# capabilities=suggest
+. $MUNIN_LIBDIR/plugins/plugin.sh
+if [ "$1" = "autoconf" ]; then
+  echo "yes"
+  exit 0
+fi
+if [ "$1" = "suggest" ]; then
+  echo "temp"
+  echo "press"
+  echo "power"
+  exit 0
+fi
+prefix=`basename "$0"`
+if [ "$prefix" = "ebusd_temp" ]; then
+  sensors="outsidetemp BrineTempInput BrineTempOutput FlowTemp mcFlowTempSensor hwTankTemp"
+elif [ "$prefix" = "ebusd_press" ]; then
+  sensors="BrinePress HeatSystemPress VaporPressHigh VaporPressLow"
+else
+  sensors="ActualEnvironmentPower"
+fi
+if [ "$1" = "config" ]; then
+  if [ "$prefix" = "ebusd_temp" ]; then
+    echo "graph_title ebusd Temperaturen"
+    echo "graph_vlabel Grad"
+  elif [ "$prefix" = "ebusd_press" ]; then
+    echo "graph_title ebusd Drucksensoren"
+    echo "graph_vlabel Bar"
+  else
+    echo "graph_title ebusd Ertrag"
+    echo "graph_vlabel kW"
+  fi
+  echo 'graph_category Heizung'
+  for sensor in $sensors; do
+    echo ${prefix}_${sensor}.label $sensor
+    print_warning ${prefix}_$sensor
+    print_critical ${prefix}_$sensor
+  done
+  exit 0
+fi
+for sensor in $sensors; do
+  RESULT=`echo "r $sensor"|nc localhost 8888 2>/dev/null|head -n 1|sed -e 's#;.*$##'`
+  echo ${prefix}_${sensor}.value $RESULT
+done