agents/check_mk_agent.openbsd

   1 #!/bin/sh
   2 # Check_MK Agent for OpenBSD
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 #
  13 # This file is part of Check_MK.
  14 # The official homepage is at http://mathias-kettner.de/check_mk.
  15 #
  16 # check_mk is free software;  you can redistribute it and/or modify it
  17 # under the  terms of the  GNU General Public License  as published by
  18 # the Free Software Foundation in version 2.  check_mk is  distributed
  19 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  20 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  21 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  22 # tails. You should have  received  a copy of the  GNU  General Public
  23 # License along with GNU Make; see the file  COPYING.  If  not,  write
  24 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  25 # Boston, MA 02110-1301 USA.
  26
  27 # Author: Lars Michelsen <lm@mathias-kettner.de>
  28 #         Florian Heigl <florian.heigl@gmail.com>
  29 #         Christian Zigotzky <chzigotzky@xenosoft.de>
  30
  31 # NOTE: This agent has been adapted from the Check_MK FreeBSD agent.
  32
  33 # Remove locale settings to eliminate localized outputs where possible
  34 export LC_ALL=C
  35 unset LANG
  36
  37 export MK_LIBDIR="/usr/lib/check_mk_agent"
  38 export MK_CONFDIR="/etc"
  39
  40 # Optionally set a tempdir for all subsequent calls
  41 #export TMPDIR=
  42
  43 # Make sure, locally installed binaries are found
  44 PATH=$PATH:/usr/local/bin
  45
  46 # All executables in PLUGINSDIR will simply be executed and their
  47 # ouput appended to the output of the agent. Plugins define their own
  48 # sections and must output headers with '<<<' and '>>>'
  49 PLUGINSDIR=$MK_LIBDIR/plugins
  50
  51 # All executables in LOCALDIR will by executabled and their
  52 # output inserted into the section <<<local>>>. Please refer
  53 # to online documentation for details.
  54 LOCALDIR=$MK_LIBDIR/local
  55
  56
  57 # close standard input (for security reasons) and stderr
  58 if [ "$1" = -d ]
  59 then
  60     set -xv
  61 else
  62     exec <&- 2>/dev/null
  63 fi
  64
  65 echo "<<<check_mk>>>"
  66 echo "Version: 1.6.0i1"
  67 echo "AgentOS: openbsd"
  68 echo "Hostname: $(hostname)"
  69 echo "AgentDirectory: $MK_CONFDIR"
  70 echo "DataDirectory: $MK_VARDIR"
  71 echo "SpoolDirectory: $SPOOLDIR"
  72 echo "PluginsDirectory: $PLUGINSDIR"
  73 echo "LocalDirectory: $LOCALDIR"
  74
  75 osver="$(uname -r)"
  76
  77 echo '<<<df>>>'
  78 df -kPt ffs | sed -e 's/^\([^ ][^ ]*\) \(.*\)$/\1 ffs \2/' | sed 1d
  79
  80 # processes including username, without kernel processes
  81 echo '<<<ps>>>'
  82 COLUMNS=10000
  83 ps ax -o user,vsz,rss,pcpu,command | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /'
  84
  85 echo '<<<cpu>>>'
  86 echo `sysctl -n vm.loadavg | tr -d '{}'` `top -b -n 1 | grep -E '^[0-9]+ processes' | awk '{print $3"/"$1}'` `sysctl -n hw.ncpu`
  87
  88 echo '<<<uptime>>>'
  89 echo `date +%s` - `sysctl -n kern.boottime | cut -d' ' -f 4,7 | tr ',' '.' | tr -d ' '` | bc
  90
  91 echo "<<<mem>>>"
  92 MEM_FREE=$(vmstat | tail -n1 | awk '{ print $5 }')
  93 MEM_TOTAL=$(sysctl hw.usermem | cut -d= -f2)
  94 MEM_TOTAL=$(echo $MEM_TOTAL/1024 | bc)
  95
  96 SWAPCTL_OUTPUT=$(swapctl -k -s)
  97 SWAP_FREE=$(echo $SWAPCTL_OUTPUT | awk '{ print $7 }')
  98 SWAP_TOTAL=$(echo $SWAPCTL_OUTPUT | awk '{ print $2 }')
  99
 100 # if there is no swap space swap values are 0
 101 if [ -z "$SWAPCTL_OUTPUT" ]
 102         then
 103         SWAP_FREE=0
 104         SWAP_TOTAL=0
 105 fi
 106
 107 echo "MemTotal:\t" $MEM_TOTAL kB
 108 echo "MemFree:\t" $MEM_FREE kB
 109 echo "SwapTotal:\t" $SWAP_TOTAL kB
 110 echo "SwapFree:\t" $SWAP_FREE kB
 111
 112 echo '<<<lnx_if:sep(58)>>>'
 113 # MC= MAC address
 114 # BI= Bytes in
 115 # PI= Packets in
 116 # EI= Errors in
 117 # EO= Errors out
 118 # BO= Bytes out
 119 # PO= Packets out
 120 # CO= Colls
 121 # NI= Number of interfaces
 122 # INTERFACES= Array of interfaces
 123
 124 set -A INTERFACES
 125 set -A MC
 126 set -A BI
 127 set -A BO
 128 set -A PI
 129 set -A PO
 130 set -A EI
 131 set -A EO
 132 set -A CO
 133
 134 NI=0
 135 # special (lo/pfsync/pflog/enc) and inactive (*) interfaces are not needed
 136 NETSTAT_OUTPUT=$(netstat -in | grep '<Link>' | egrep -v "\*|lo|pfsync|enc")
 137 NETSTAT_OUTPUT_BYTES=$(netstat -inb | grep '<Link>' | egrep -v "\*|lo|pfsync|enc")
 138
 139 # adjust internal field separator to get lines from netstat and backup it before
 140 OFS=$IFS
 141 IFS='
 142 '
 143 # collect netstat values and interface number
 144 for NS in $NETSTAT_OUTPUT
 145     do
 146     NI=$(($NI+1))
 147     INTERFACES[$NI]=$(echo $NS | awk '{print $1}')
 148     MC[$NI]=$(echo $NS | awk '{print $4}')
 149     PI[$NI]=$(echo $NS | awk '{print $5}')
 150     EI[$NI]=$(echo $NS | awk '{print $6}')
 151     PO[$NI]=$(echo $NS | awk '{print $7}')
 152     EO[$NI]=$(echo $NS | awk '{print $8}')
 153     CO[$NI]=$(echo $NS | awk '{print $9}')
 154 done
 155
 156 # need NIC counter again for byte values - reset it
 157 NI=0
 158 for NS in $NETSTAT_OUTPUT_BYTES
 159     do
 160     NI=$(($NI+1))
 161     BI[$NI]=$(echo $NS | awk '{print $5}')
 162     BO[$NI]=$(echo $NS | awk '{print $6}')
 163 done
 164
 165 # what is this for?
 166 [ "${NI}" -ge 1 ] || NI=15
 167
 168 # jot is OpenBSD "range"
 169 for i in $(jot $NI)
 170     do
 171     echo "${INTERFACES[$i]}:${BI[$i]} ${PI[$i]} ${EI[$i]} 0 0 0 0 0 ${BO[$i]} ${PO[$i]} ${EO[$i]} 0 0 ${CO[$i]} 0 0"
 172 done
 173
 174 for IF in $(jot $NI)
 175         do
 176         echo \[${INTERFACES[$IF]}\]
 177
 178         IFCONFIG_OUTPUT=$(ifconfig ${INTERFACES[$IF]})
 179         for IO in $IFCONFIG_OUTPUT
 180                 do
 181                 # Speed
 182                 SP=$(echo "$IO" | egrep "media:.*base" | cut -d\( -f2 | cut -db -f1)
 183                 if [ "$SP" ]
 184                         then
 185                         echo "\tSpeed: "$SP"Mb/s"
 186                 fi
 187                 # Detect duplexity - in reality only available for physical devices but
 188                 # virtual ones like CARP devices will get at least a half duplex
 189                 if [ "$(echo "$IO" | egrep "media:.*full-duplex")" ]
 190                         then
 191                         echo "\tDuplex: Full"
 192                 elif [ "$(echo "$IO" | grep "media:" | grep -v "full-duplex")" ]
 193                         then
 194                         echo "\tDuplex: Half"
 195                 fi
 196                 # Auto-negotiation
 197                 if [ "$(echo "$IO" | egrep "media:.*autoselect")" ]
 198                         then
 199                         echo "\tAuto-negotiation: on"
 200                 elif [ "$(echo "$IO" | grep "media:" | grep -v "autoselect")" ]
 201                         then
 202                         echo "\tAuto-negotiation: off"
 203                 fi
 204                 # Detect detected link
 205                 if [ "$(echo "$IO" | grep "status:" | egrep "active|backup|master")" ]
 206                         then
 207                         echo "\tLink detected: yes"
 208                 fi
 209         done
 210
 211         echo "\tAddress: "${MC[$IF]}
 212
 213 done
 214
 215 # reset IFS to default
 216 IFS=$OFS
 217
 218 # IPMI-Data (Fans, CPU, temperature, etc)
 219 # needs the sysutils/ipmitool and kldload ipmi.ko
 220 if which ipmitool >/dev/null ; then
 221     echo '<<<ipmi>>>'
 222     ipmitool sensor list \
 223         | grep -v 'command failed' \
 224         | sed -e 's/ *| */|/g' -e "s/ /_/g" -e 's/_*$//' -e 's/|/ /g' \
 225         | egrep -v '^[^ ]+ na ' \
 226         | grep -v ' discrete '
 227 fi
 228
 229 if which mailq >/dev/null 2>&1 && getent passwd postfix >/dev/null 2>&1; then
 230   echo '<<<postfix_mailq>>>'
 231   mailq | tail -n 6
 232 fi
 233
 234
 235 # Einbinden von lokalen Plugins, die eine eigene Sektion ausgeben
 236 if cd $PLUGINSDIR
 237 then
 238   for skript in $(ls)
 239   do
 240     if [ -x "$skript" ] ; then
 241         ./$skript
 242     fi
 243   done
 244 fi
 245
 246 # Lokale Einzelchecks
 247 echo '<<<local>>>'
 248 if cd $LOCALDIR
 249 then
 250   for skript in $(ls)
 251   do
 252     if [ -x "$skript" ] ; then
 253         ./$skript
 254     fi
 255   done
 256 fi
 257
 258 # MK's Remote Plugin Executor
 259 if [ -e "$MK_CONFDIR/mrpe.cfg" ]
 260 then
 261     echo '<<<mrpe>>>'
 262     grep -Ev '^[[:space:]]*($|#)' "$MK_CONFDIR/mrpe.cfg" | \
 263     while read descr cmdline
 264     do
 265         PLUGIN=${cmdline%% *}
 266         OUTPUT=$(eval "$cmdline")
 267         echo -n "(${PLUGIN##*/}) $descr $? $OUTPUT" | tr \\n \\1
 268         echo
 269     done
 270 fi