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| -rw-r--r-- | templates/check_mk/check_mk_agent.freebsd | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/templates/check_mk/check_mk_agent.freebsd b/templates/check_mk/check_mk_agent.freebsd new file mode 100644 index 0000000..edf8c59 --- /dev/null +++ b/templates/check_mk/check_mk_agent.freebsd @@ -0,0 +1,439 @@ +#!/usr/local/bin/bash +# Check_MK Agent for FreeBSD +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2014 mk@mathias-kettner.de | +# +------------------------------------------------------------------+ +# +# This file is part of Check_MK. +# The official homepage is at http://mathias-kettner.de/check_mk. +# +# check_mk is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation in version 2. check_mk is distributed +# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- +# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more de- +# tails. You should have received a copy of the GNU General Public +# License along with GNU Make; see the file COPYING. If not, write +# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +# Boston, MA 02110-1301 USA. + +# Author: Lars Michelsen <lm@mathias-kettner.de> +# Florian Heigl <florian.heigl@gmail.com> +# (Added sections: df mount mem netctr ipmitool) + +# NOTE: This agent has beed adapted from the Check_MK linux agent. +# The most sections are commented out at the moment because +# they have not been ported yet. We will try to adapt most +# sections to print out the same output as the linux agent so +# that the current checks can be used. + +# This might be a good source as description of sysctl output: +# http://people.freebsd.org/~hmp/utilities/satbl/_sysctl.html + +# Remove locale settings to eliminate localized outputs where possible +export LC_ALL=C +unset LANG + +export MK_LIBDIR="/usr/lib/check_mk_agent" +export MK_CONFDIR="/etc/check_mk" +export MK_TMPDIR="/var/run/check_mk" + + +# Make sure, locally installed binaries are found +PATH=$PATH:/usr/local/bin:/usr/local/sbin + +# All executables in PLUGINSDIR will simply be executed and their +# ouput appended to the output of the agent. Plugins define their own +# sections and must output headers with '<<<' and '>>>' +PLUGINSDIR=$MK_LIBDIR/plugins + +# All executables in LOCALDIR will by executabled and their +# output inserted into the section <<<local>>>. Please refer +# to online documentation for details. +LOCALDIR=$MK_LIBDIR/local + + +# close standard input (for security reasons) and stderr +if [ "$1" = -d ] +then + set -xv +else + exec </dev/null 2>/dev/null +fi + +# Runs a command asynchronous by use of a cache file +function run_cached() { + if [ "$1" = -s ] ; then local section="echo '<<<$2>>>' ; " ; shift ; fi + local NAME=$1 + local MAXAGE=$2 + shift 2 + local CMDLINE="$section$@" + + if [ ! -d $MK_TMPDIR/cache ]; then mkdir -p $MK_TMPDIR/cache ; fi + CACHEFILE="$MK_TMPDIR/cache/$NAME.cache" + + # Check if the creation of the cache takes suspiciously long and return + # nothing if the age (access time) of $CACHEFILE.new is twice the MAXAGE + local NOW=$(date +%s) + if [ -e "$CACHEFILE.new" ] ; then + local CF_ATIME=$(stat -f "%a" "$CACHEFILE.new") + if [ $((NOW - CF_ATIME)) -ge $((MAXAGE * 2)) ] ; then + return + fi + fi + + # Check if cache file exists and is recent enough + if [ -s "$CACHEFILE" ] ; then + local MTIME=$(stat -f "%m" "$CACHEFILE") + if [ $((NOW - MTIME)) -le $MAXAGE ] ; then local USE_CACHEFILE=1 ; fi + # Output the file in any case, even if it is + # outdated. The new file will not yet be available + cat "$CACHEFILE" + fi + + # Cache file outdated and new job not yet running? Start it + if [ -z "$USE_CACHEFILE" -a ! -e "$CACHEFILE.new" ] ; then + echo "$CMDLINE" | daemon /usr/local/bin/bash -o noclobber > $CACHEFILE.new && mv $CACHEFILE.new $CACHEFILE || rm -f $CACHEFILE $CACHEFILE.new & + fi +} + +echo '<<<check_mk>>>' +echo Version: 1.2.8p18 +echo AgentOS: freebsd + + + +osver="$(uname -r)" +is_jailed="$(sysctl -n security.jail.jailed)" + + +# Partitionen (-P verhindert Zeilenumbruch bei langen Mountpunkten) +# Achtung: NFS-Mounts werden grundsaetzlich ausgeblendet, um +# Haenger zu vermeiden. Diese sollten ohnehin besser auf dem +# Server, als auf dem Client ueberwacht werden. + +echo '<<<df>>>' +# no special zfs handling so far, the ZFS.pools plugin has been tested to +# work on FreeBSD +if df -T > /dev/null ; then + df -kTP -t ufs | egrep -v '(Filesystem|devfs|procfs|fdescfs|basejail)' +else + df -kP -t ufs | egrep -v '(Filesystem|devfs|procfs|fdescfs|basejail)' | awk '{ print $1,"ufs",$2,$3,$4,$5,$6 }' +fi + +# Filesystem usage for ZFS +if type zfs > /dev/null 2>&1 ; then + echo '<<<zfsget>>>' + zfs get -t filesystem,volume -Hp name,quota,used,avail,mountpoint,type || \ + zfs get -Hp name,quota,used,avail,mountpoint,type + echo '[df]' + df -kP -t zfs | sed 1d +fi + +# Check NFS mounts by accessing them with stat -f (System +# call statfs()). If this lasts more then 2 seconds we +# consider it as hanging. We need waitmax. +#if type waitmax >/dev/null +#then +# STAT_VERSION=$(stat --version | head -1 | cut -d" " -f4) +# STAT_BROKE="5.3.0" +# +# echo '<<<nfsmounts>>>' +# sed -n '/ nfs /s/[^ ]* \([^ ]*\) .*/\1/p' < /proc/mounts | +# while read MP +# do +# if [ $STAT_VERSION != $STAT_BROKE ]; then +# waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" || \ +# echo "$MP hanging 0 0 0 0" +# else +# waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" && \ +# printf '\n'|| echo "$MP hanging 0 0 0 0" +# fi +# done +#fi + +# Check mount options. +# FreeBSD doesn't do remount-ro on errors, but the users might consider +# security related mount options more important. +echo '<<<mounts>>>' +mount -p -t ufs + +# processes including username, without kernel processes +echo '<<<ps>>>' +COLUMNS=10000 +if [ "$is_jailed" = "0" ]; then + ps ax -o state,user,vsz,rss,pcpu,command | sed -e 1d -e '/\([^ ]*J\) */d' -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\2,\3,\4,\5) /' +else + ps ax -o user,vsz,rss,pcpu,command | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /' +fi + + +# Produce compatible load/cpu output to linux agent. Not so easy here. +echo '<<<cpu>>>' +echo `sysctl -n vm.loadavg | tr -d '{}'` `top -b -n 1 | grep -E '^[0-9]+ processes' | awk '{print $3"/"$1}'` `sysctl -n kern.lastpid` `sysctl -n hw.ncpu` + +# Calculate the uptime in seconds since epoch compatible to /proc/uptime in linux +echo '<<<uptime>>>' +up_seconds=$(( `date +%s` - `sysctl -n kern.boottime | cut -f1 -d\, | awk '{print $4}'`)) +idle_seconds=$(ps axw | grep idle | grep -v grep | awk '{print $4}' | cut -f1 -d\: ) +echo "$up_seconds $idle_seconds" + +# Platten- und RAID-Status von LSI-Controlleren, falls vorhanden +#if which cfggen > /dev/null ; then +# echo '<<<lsi>>>' +# cfggen 0 DISPLAY | egrep '(Target ID|State|Volume ID|Status of volume)[[:space:]]*:' | sed -e 's/ *//g' -e 's/:/ /' +#fi + + +# Multipathing is supported in FreeBSD by now +# http://www.mywushublog.com/2010/06/freebsd-and-multipath/ +if kldstat -v | grep g_multipath > /dev/null ; then + echo '<<<freebsd_multipath>>>' + gmultipath status | grep -v ^Name +fi + + +# Soft-RAID +echo '<<<freebsd_geom_mirrors>>>' +gmirror status | grep -v ^Name + +# Performancecounter Kernel +echo "<<<kernel>>>" +date +%s +forks=`sysctl -n vm.stats.vm.v_forks` +vforks=`sysctl -n vm.stats.vm.v_vforks` +rforks=`sysctl -n vm.stats.vm.v_rforks` +kthreads=`sysctl -n vm.stats.vm.v_kthreads` +echo "cpu" `sysctl -n kern.cp_time | awk ' { print $1" "$2" "$3" "$5" "$4 } '` +echo "ctxt" `sysctl -n vm.stats.sys.v_swtch` +echo "processes" `expr $forks + $vforks + $rforks + $kthreads` + +# Network device statistics (Packets, Collisions, etc) +# only the "Link/Num" interface has all counters. +echo '<<<netctr>>>' +date +%s +if [ "$(echo $osver | cut -f1 -d\. )" -gt "8" ]; then + netstat -inb | egrep -v '(^Name|lo|plip)' | grep Link | awk '{print $1" "$8" "$5" "$6" "$7" 0 0 0 0 "$11" "$9" "$10" 0 0 0 0 0"}' +else + # pad output for freebsd 7 and before + netstat -inb | egrep -v '(^Name|lo|plip)' | grep Link | awk '{print $1" "$7" "$5" "$6" 0 0 0 0 0 "$10" "$8" "$9" 0 0 "$11" 0 0"}' +fi + + +# IPMI-Data (Fans, CPU, temperature, etc) +# needs the sysutils/ipmitool and kldload ipmi.ko +if which ipmitool >/dev/null ; then + echo '<<<ipmi>>>' + ipmitool sensor list \ + | grep -v 'command failed' \ + | sed -e 's/ *| */|/g' -e "s/ /_/g" -e 's/_*$//' -e 's/|/ /g' \ + | egrep -v '^[^ ]+ na ' \ + | grep -v ' discrete ' +fi + + +# State of LSI MegaRAID controller via MegaCli. +# To install: pkg install megacli +if which MegaCli >/dev/null ; then + echo '<<<megaraid_pdisks>>>' + MegaCli -PDList -aALL -NoLog < /dev/null | egrep 'Enclosure|Raw Size|Slot Number|Device Id|Firmware state|Inquiry' + echo '<<<megaraid_ldisks>>>' + MegaCli -LDInfo -Lall -aALL -NoLog < /dev/null | egrep 'Size|State|Number|Adapter|Virtual' + echo '<<<megaraid_bbu>>>' + MegaCli -AdpBbuCmd -GetBbuStatus -aALL -NoLog < /dev/null | grep -v Exit +fi + + +# OpenVPN Clients. +# Correct log location unknown, sed call might also be broken +if [ -e /var/log/openvpn/openvpn-status.log ] ; then + echo '<<<openvpn_clients:sep(44)>>>' + sed -n -e '/CLIENT LIST/,/ROUTING TABLE/p' < /var/log/openvpn/openvpn-status.log | sed -e 1,3d -e '$d' +fi + + +if which ntpq > /dev/null 2>&1 ; then + echo '<<<ntp>>>' + # remote heading, make first column space separated + ntpq -np | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/' +fi + + +# Checks for cups monitoring +#if which lpstat > /dev/null 2>&1; then +# echo '<<<cups_queues>>>' +# lpstat -p +# echo '---' +# for i in $(lpstat -p | grep -E "^(printer|Drucker)" | awk '{print $2}' | grep -v "@"); do +# lpstat -o "$i" +# done +#fi + +# Heartbeat monitoring +#if which cl_status > /dev/null 2>&1; then +# # Different handling for heartbeat clusters with and without CRM +# # for the resource state +# if [ -S /var/run/heartbeat/crm/cib_ro ]; then +# echo '<<<heartbeat_crm>>>' +# crm_mon -1 -r | grep -v ^$ | sed 's/^\s/_/g' +# else +# echo '<<<heartbeat_rscstatus>>>' +# cl_status rscstatus +# fi +# +# echo '<<<heartbeat_nodes>>>' +# for NODE in $(cl_status listnodes); do +# if [ $NODE != $HOSTNAME ]; then +# STATUS=$(cl_status nodestatus $NODE) +# echo -n "$NODE $STATUS" +# for LINK in $(cl_status listhblinks $NODE 2>/dev/null); do +# echo -n " $LINK $(cl_status hblinkstatus $NODE $LINK)" +# done +# echo +# fi +# done +#fi + +# Number of TCP connections in the various states +echo '<<<tcp_conn_stats>>>' +netstat -na | awk ' /^tcp/ { c[$6]++; } END { for (x in c) { print x, c[x]; } }' + + +# Postfix mailqueue monitoring +# +# Only handle mailq when postfix user is present. The mailq command is also +# available when postfix is not installed. But it produces different outputs +# which are not handled by the check at the moment. So try to filter out the +# systems not using postfix by searching for the postfix user. +# +# Cannot take the whole outout. This could produce several MB of agent output +# on blocking queues. +# Only handle the last 6 lines (includes the summary line at the bottom and +# the last message in the queue. The last message is not used at the moment +# but it could be used to get the timestamp of the last message. +if type postconf >/dev/null ; then + echo '<<<postfix_mailq>>>' + postfix_queue_dir=$(postconf -h queue_directory) + postfix_count=$(find $postfix_queue_dir/deferred -type f | wc -l) + postfix_size=$(du -ks $postfix_queue_dir/deferred | awk '{print $1 }') + if [ $postfix_count -gt 0 ] + then + echo -- $postfix_size Kbytes in $postfix_count Requests. + else + echo Mail queue is empty + fi +elif [ -x /usr/sbin/ssmtp ] ; then + echo '<<<postfix_mailq>>>' + mailq 2>&1 | sed 's/^[^:]*: \(.*\)/\1/' | tail -n 6 +fi + +# Check status of qmail mailqueue +if type qmail-qstat >/dev/null +then + echo "<<<qmail_stats>>>" + qmail-qstat +fi + +# check zpool status +if [ -x /sbin/zpool ]; then + echo "<<<zpool_status>>>" + /sbin/zpool status -x | grep -v "errors: No known data errors" +fi + + +# Statgrab +# To install: pkg install libstatgrab +if type statgrab >/dev/null 2>&1 ; then + + statgrab_vars="const. disk. general. page. proc. user." + statgrab_vars_mem="mem. swap." + statgrab_sections="proc disk page" + + statgrab $statgrab_vars 1> /tmp/statgrab.$$ + statgrab $statgrab_vars_mem 1>>/tmp/statgrab.$$ + + + for s in $statgrab_sections + do + echo "<<<statgrab_$s>>>" + grep "^${s}\." /tmp/statgrab.$$ | cut -d. -f2-99 | sed 's/ *= */ /' + done + + echo '<<<statgrab_net>>>' + statgrab net. 2>&1 | cut -d. -f2-99 | sed 's/ *= */ /' + + echo '<<<statgrab_mem>>>' + egrep "^(swap|mem)\." /tmp/statgrab.$$ | sed 's/ *= */ /' + + [ -f /tmp/statgrab.$$ ] && rm -f /tmp/statgrab.$$ +fi + + +# Fileinfo-Check: put patterns for files into /etc/check_mk/fileinfo.cfg +if [ -r "$MK_CONFDIR/fileinfo.cfg" ] ; then + echo '<<<fileinfo:sep(124)>>>' + date +%s + for line in $(cat "$MK_CONFDIR/fileinfo.cfg") + do + stat -f "%N|%z|%m" $line 2>/dev/null + + if [ $? -ne 0 ]; then + echo "$line|missing|$(date +%s)" + fi + done +fi + + +# Local checks +echo '<<<local>>>' +if cd $LOCALDIR ; then + for skript in $(ls) ; do + if [ -f "$skript" -a -x "$skript" ] ; then + ./$skript + fi + done + # Call some plugins only every X'th minute + for skript in [1-9]*/* ; do + if [ -x "$skript" ] ; then + run_cached local_${skript//\//\\} ${skript%/*} "$skript" + fi + done +fi + +# Plugins +if cd $PLUGINSDIR; then + for skript in $(ls) ; do + if [ -f "$skript" -a -x "$skript" ] ; then + ./$skript + fi + done + # Call some plugins only every X'th minute + for skript in [1-9]*/* ; do + if [ -x "$skript" ] ; then + run_cached plugins_${skript//\//\\} ${skript%/*} "$skript" + fi + done +fi + + +# MK's Remote Plugin Executor +if [ -e "$MK_CONFDIR/mrpe.cfg" ] +then + echo '<<<mrpe>>>' + grep -Ev '^[[:space:]]*($|#)' "$MK_CONFDIR/mrpe.cfg" | \ + while read descr cmdline + do + PLUGIN=${cmdline%% *} + OUTPUT=$(eval "$cmdline") + echo -n "(${PLUGIN##*/}) $descr $? $OUTPUT" | tr \\n \\1 + echo + done +fi + |