- Initial version of munin plugins for FreeBSD

netmem_

@@ -0,0 +1,96 @@
+#!/bin/sh
+#
+# Copyright (c) 2015 Babak Farrokhi.  All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# 17-Feb-2015 @farrokhi
+# This script extracts network memory usage counters from "netstat -m" 
+# on FreeBSD and feeds to munin
+#
+# Magic markers:
+#%# family=auto
+#%# capabilities=autoconf suggest
+
+
+SCRIPT_NAME=$(basename $0)
+STAT_TYPE=`echo $SCRIPT_NAME | sed -n s/netmem_//p`
+
+if [ $# -lt 1 ]; then
+
+   if   [ "${STAT_TYPE}" == "mbufs" ]; then
+      netstat -m | grep "mbufs in use" | sed -E -n 's/([0-9]+)\/([0-9]+)\/([0-9]+) .+/mbufs_current.value \1,mbufs_cache.value \2,mbufs_total.value \3/p' | tr ',' '\n'
+   elif [ "${STAT_TYPE}" == "clusters" ]; then
+      netstat -m | grep "mbuf clusters in use" | sed -E -n 's/([0-9]+)\/([0-9]+)\/([0-9]+)\/([0-9]+) .+/clusters_current.value \1,clusters_cache.value \2,clusters_total.value \3,clusters_max.value \4/p' | tr ',' '\n'
+   elif [ "${STAT_TYPE}" == "sendfile" ]; then
+      netstat -m | grep sendfile | sed -E -n 's/(^[0-9]+).+/sendfile.value \1/p'
+   fi
+
+elif [ "$1" == "suggest" ]; then   
+   echo "mbufs"
+   echo "clusters"
+   echo "sendfile"
+
+elif [ "$1" == "autoconf" ]; then
+   [ -x "/usr/bin/netstat" ] && echo yes || echo no
+   exit 0
+
+elif [ "$1" == "config" ]; then
+
+   if   [ "${STAT_TYPE}" == "mbufs" ]; then
+      echo "graph_title mbufs usage"
+      echo "graph_args --lower-limit 0 --base 1000"
+      echo "graph_vlabel mbufs"
+      echo "graph_category network"
+      echo "mbufs_current.label current"
+      echo "mbufs_current.draw AREA"
+      echo "mbufs_cache.label cache"
+      echo "mbufs_cache.draw STACK"
+      echo "mbufs_total.label total"
+      echo "mbufs_total.draw LINE2"
+   elif [ "${STAT_TYPE}" == "clusters" ]; then
+      echo "graph_title mbuf clusters usage"
+      echo "graph_args --lower-limit 0 --base 1000"
+      echo "graph_vlabel clusters"
+      echo "graph_category network"
+      echo "clusters_current.label current"
+      echo "clusters_current.draw AREA"
+      echo "clusters_cache.label cache"
+      echo "clusters_cache.draw STACK"
+      echo "clusters_total.label total"
+      echo "clusters_total.draw LINE2"
+      #echo "clusters_max.label max"
+      #echo "clusters_max.draw LINE1"
+   elif [ "${STAT_TYPE}" == "sendfile" ]; then
+      echo "graph_title sendfile() calls"
+      echo "graph_args --lower-limit 0 --base 1000"
+      echo "graph_vlabel calls"
+      echo "graph_period minute"
+      echo "graph_category network"
+      echo "sendfile.label calls"
+      echo "sendfile.draw LINE1"
+      echo "sendfile.type DERIVE"
+   fi   
+
+fi
+