Plugin-Gallery: Better 2nd level headings

plugins/arp/arp

@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# Plugin to monitor total ARP entries
+#
+#  Parameters understood:
+#
+#      config   (required)
+#      autoconf (optional)
+#
+#  Made by Sven Hartge (sven AT svenhartge DOT de)
+#
+
+#%# family=contrib
+#%# capabilities=autoconf
+
+if [ "$1" = "autoconf" ]; then
+    # Search for arp
+    which arp >/dev/null 2>/dev/null || (echo "no (can't find arp binary)" && exit 1)
+
+    # ...or success
+    echo yes
+    exit 0
+fi
+
+
+
+if [ "$1" = "config" ]; then
+        echo 'graph_title ARP entries'
+        echo 'graph_args --base 1000 -l 0'
+        echo 'graph_vlabel Entries'
+        echo 'graph_category network'
+	echo 'graph_scale no'
+        echo 'graph_info This graph shows the number of ARP entries registered by the system.'
+	echo 'entries.label ARP entries'
+	echo 'entries.draw LINE2'
+	echo 'entries.type GAUGE'
+	echo 'entries.info Number of ARP entries'
+	exit 0
+fi
+
+arp -an | awk 'BEGIN { regex="<incomplete>";} { if (!match($4,regex)) { a[$4] }} END{for(i in a){n++};print "entries.value " n}'

plugins/arp/arp_

@@ -0,0 +1,67 @@
+#!/bin/sh
+#
+# Plugin to monitor ARP entries per interface
+#
+# Parameters understood:
+#
+#       config   (required)
+#       autoconf (optional)
+#
+#  Made by Sven Hartge (sven AT svenhartge DOT de)
+#  change to iproute by Martin89 (martin AT martin89 DOT de)
+#
+#
+
+
+#%# family=contrib
+#%# capabilities=autoconf suggest
+
+case "$1" in
+	autoconf)
+		# Search for ip
+		which ip >/dev/null 2>&1
+		if [ $? -ne 0 ]; then
+			echo "no (can't find ip binary)"
+			exit 1
+		fi
+		# ...or success
+		echo 'yes'
+		exit 0
+	;;
+	suggest)
+		if [ ! -r /proc/net/dev ]; then
+			exit 1
+		fi
+		awk '$1~ /^(eth|wlan|ath|ra)[0-9]+(\.[0-9]+)?/ { gsub(":", ""); gsub("\.", "_"); print $1 }' /proc/net/dev
+		exit 0
+	;;
+	config)
+		INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
+		if [ -z "$INTERFACE" ]; then
+			exit 1
+		fi
+		echo "graph_title ARP/NDP entries for $INTERFACE"
+		cat <<'EOM'
+graph_args --base 1000 -l 0
+graph_vlabel Entries
+graph_category network
+graph_scale no
+graph_info This graph shows the number of ARP and NDP entries for a interface.
+entries4.label ARP entries
+entries4.info Number of ARP entries
+entries6global.label NDP global entries
+entries6global.info Number of NDP entries for global IPv6 address
+entries6local.label NDP local entries
+entries6local.info Number of NDP entries for link-local IPv6 address (fe80::/64)
+EOM
+		exit 0
+	;;
+esac
+
+INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
+if [ -z "$INTERFACE" ]; then
+	exit 1
+fi
+ip neigh show dev "$INTERFACE" | awk 'BEGIN { a=0; b=0; c=0 }
+/(REACHABLE|DELAY|STALE)/ { if ($1~ /^fe80:/){c++} else{if ($1~ /^[0-9]+\./) {a++} else{b++} } }
+END { print "entries4.value", a "\nentries6global.value", b, "\nentries6local.value", c }'

plugins/arp/arp_bsd_

@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# Wildcard-plugin to monitor arp on interfaces. To monitor an
+# interface, link arp_bsd_<interface> to this file. E.g.
+#
+#    ln -s /usr/local/share/munin/plugins/arp_bsd_ /usr/local/etc/munin/plugins/arp_bsd_vlanX
+#
+# ...will monitor arp on interface vlanX.
+#
+# Any device found in /sbin/ifconfig can be monitored.
+#
+# Bugs : This plugins has been tested extensively on FreeBSD only
+#
+# Author : Luc Duchosal <luc.duchosal (at) arcantel (dot) ch>
+#
+# Magic markers (optional - used by munin-config and some installation
+# scripts):
+#
+#%# family=auto
+#%# capabilities=autoconf suggest
+
+
+INTERFACE=`basename $0 | sed 's/^arp_bsd_//g'`
+
+if [ "$1" = "autoconf" ]; then
+        if [ -x /sbin/ifconfig ]; then
+                echo yes
+                exit 0
+        else
+                echo "no (/sbin/ifconfig not found)"
+                exit 0
+        fi
+fi
+
+if [ "$1" = "suggest" ]; then
+        if [ -x /sbin/ifconfig ]; then
+                /sbin/ifconfig -a | /usr/bin/grep -E '^[a-z]' | /usr/bin/awk -F\: '{print $1;}'
+                exit 0
+        else
+                exit 1
+        fi
+fi
+
+if [ "$1" = "config" ]; then
+
+        echo "graph_title $INTERFACE arp"
+        echo 'graph_args --base 1000'
+        echo 'graph_vlabel arp per ${graph_period}'
+        echo 'graph_category network'
+        echo 'arp.label arp'
+        exit 0
+fi
+
+/usr/sbin/arp -an | /usr/bin/grep $INTERFACE  | /usr/bin/wc -l | /usr/bin/awk '{ print "arp.value", $1;}'