Add Chilli plugin for sessions state

plugins/chilli/chilli_

@@ -0,0 +1,118 @@
+#!/bin/bash
+# -*- sh -*-
+
+: << =cut
+
+=head1 NAME
+
+chilli_ - Wildcard-plugin to monitor sessions state on Coova Chilli.
+
+=head1 CONFIGURATION
+
+This plugin does not normally require configuration.
+
+The plugin may need to run as root. This is configured like this:
+
+  [chilli_*]
+      user root
+
+This is a wildcard plugin. To monitor an instance, link
+chilli_<instance> to this file. For example :
+
+  ln -s /usr/share/munin/plugins/chilli_ \
+        /etc/munin/plugins/chilli_hotspot1
+
+will monitor hotspot1.
+
+For monitor all instances use :
+
+  ln -s /usr/share/munin/plugins/chilli_ \
+        /etc/munin/plugins/chilli_total
+
+=head1 AUTHOR
+
+OPENevents - Guillaume Marsay <guillaume.marsay@openevents.fr>
+
+=head1 LICENSE
+
+GPLv2
+
+=head1 MAGIC MARKERS
+
+ #%# family=auto
+ #%# capabilities=autoconf suggest
+
+=cut
+
+
+INSTANCE=${0##*chilli_}
+CHILLI_PATH_BIN="/usr/sbin/chilli_query"
+CHILLI_PATH_SOCK="/var/run"
+
+
+case $1 in
+  autoconf)
+    if [[ -r $CHILLI_PATH_BIN ]]; then
+      if [[ $INSTANCE == "total" ]]; then
+        echo "yes"
+        exit 0
+      else
+        if [[ -r $CHILLI_PATH_SOCK/chilli_$INSTANCE.sock ]]; then
+          echo yes
+          exit 0
+        else
+          echo "no ($CHILLI_PATH_SOCK/chilli_$INSTANCE.sock not found)"
+          exit 0
+        fi
+      fi
+    else
+      echo "no ($CHILLI_PATH_BIN not found)"
+      exit 0
+    fi
+    ;;
+  suggest)
+      INSTANCES_LIST=$(ls /var/run/chilli_*.sock)
+
+      for file in $INSTANCES_LIST; do
+        echo $(basename $file .sock | cut -d _ -f 2)
+      done
+
+      echo "total"
+
+      exit 0
+    ;;
+  config)
+    echo "graph_title Chilli $INSTANCE sessions"
+    echo "graph_args --base 1000 -l 0"
+    echo "graph_category chilli"
+    echo "none.label NONE"
+    echo "none.min 0"
+    echo "none.draw AREA"
+    echo "none.colour ff8000"
+    echo "dnat.label DNAT"
+    echo "dnat.min 0"
+    echo "dnat.draw STACK"
+    echo "dnat.colour 0066b3"
+    echo "pass.label PASS"
+    echo "pass.draw STACK"
+    echo "pass.min 0"
+    echo "pass.colour 00cc00"
+
+    exit 0
+    ;;
+esac
+
+
+if [[ $INSTANCE == "total" ]]; then
+  STATE_PASS=$($CHILLI_PATH_BIN list | grep "pass" | wc -l)
+  STATE_DNAT=$($CHILLI_PATH_BIN list | grep "dnat" | wc -l)
+  STATE_NONE=$($CHILLI_PATH_BIN list | grep "none" | wc -l)
+else
+  STATE_PASS=$($CHILLI_PATH_BIN -s $CHILLI_PATH_SOCK/chilli_$INSTANCE.sock list | grep "pass" | wc -l)
+  STATE_DNAT=$($CHILLI_PATH_BIN -s $CHILLI_PATH_SOCK/chilli_$INSTANCE.sock list | grep "dnat" | wc -l)
+  STATE_NONE=$($CHILLI_PATH_BIN -s $CHILLI_PATH_SOCK/chilli_$INSTANCE.sock list | grep "none" | wc -l)
+fi
+
+echo "pass.value $STATE_PASS"
+echo "dnat.value $STATE_DNAT"
+echo "none.value $STATE_NONE"