[checkmk-commits] Added agents/check_mk_agent.busybox to treasures folder.

Module: check_mk Branch: master Commit: ff0f8fd4013536e9ab67e00867993384b8d25954 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=ff0f8fd4013536… Author: Marcel Schulte &lt;ms(a)mathias-kettner.de&gt; Date: Tue Jan 22 08:24:17 2019 +0100 Added agents/check_mk_agent.busybox to treasures folder. Many thanks to Matthias Haehnel for providing the agent! Change-Id: If1ce1aaf3eaceeaf98351cb710e8aa1ecb9ceb92 --- doc/treasures/agents/check_mk_agent.busybox | 173 ++++++++++++++++++++++++++++ 1 file changed, 173 insertions(+) diff --git a/doc/treasures/agents/check_mk_agent.busybox b/doc/treasures/agents/check_mk_agent.busybox new file mode 100644 index 0000000..5980faf --- /dev/null +++ b/doc/treasures/agents/check_mk_agent.busybox @@ -0,0 +1,173 @@ +#!/bin/ash +# Check_MK Agent for BusyBox +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2014 mk(a)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. + +# Remove locale settings to eliminate localized outputs where possible +# +# Many thanks to Matthias Haehnel for providing this agent! +export LC_ALL=C +unset LANG + +export MK_LIBDIR="/usr/lib/check_mk_agent" +export MK_CONFDIR="/etc/check_mk" +export MK_VARDIR="/var/lib/check_mk_agent" + +# Provide information about the remote host. That helps when data +# is being sent only once to each remote host. +if [ "$REMOTE_HOST" ] ; then + export REMOTE=$REMOTE_HOST +elif [ "$SSH_CLIENT" ] ; then + export REMOTE=${SSH_CLIENT%% *} +fi + +# Make sure, locally installed binaries are found +PATH=$PATH:/usr/local/bin + +# All executables in PLUGINSDIR will simply be executed and their +# ouput appended to the output of the agent. Plugins define their own +# sections and must output headers with '<<<' and '>>>' +PLUGINSDIR=$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 about local checks. +LOCALDIR=$MK_LIBDIR/local + +# All files in SPOOLDIR will simply appended to the agent +# output if they are not outdated (see below) +SPOOLDIR=$MK_VARDIR/spool + +# close standard input (for security reasons) and stderr +if [ "$1" = -d ] +then + set -xv +else + exec </dev/null 2>/dev/null +fi + +# +# CHECK SECTIONS +# + +section_mem() +{ + echo '<<<mem>>>' + egrep -v '^Swap:|^Mem:|total:' < /proc/meminfo +} + +section_cpu() +{ + echo '<<<cpu>>>' + echo "$(cat /proc/loadavg) $(grep Processor < /proc/cpuinfo | wc -l)" +} + + +echo '<<<check_mk>>>' +echo Version: 1.5.0p7 +echo AgentOS: busybox +echo Hostname: $HOSTNAME +echo AgentDirectory: $MK_CONFDIR +echo DataDirectory: $MK_VARDIR +echo SpoolDirectory: $SPOOLDIR +echo PluginsDirectory: $PLUGINSDIR +echo LocalDirectory: $LOCALDIR + +# If we are called via xinetd, try to find only_from configuration +if [ -n "$REMOTE_HOST" ] +then + echo -n 'OnlyFrom: ' + echo $(sed -n '/^service[[:space:]]*check_mk/,/}/s/^[[:space:]]*only_from[[:space:]]*=[[:space:]]*\(.*\)/\1/p' /etc/xinetd.d/* | head -n1) +fi + +# Print out Partitions / Filesystems. (-P gives non-wrapped POSIXed output) +# Heads up: NFS-mounts are generally supressed to avoid agent hangs. +# If hard NFS mounts are configured or you have too large nfs retry/timeout +# settings, accessing those mounts from the agent would leave you with +# thousands of agent processes and, ultimately, a dead monitored system. +# These should generally be monitored on the NFS server, not on the clients. + +echo '<<<df>>>' +# The exclusion list is getting a bit of a problem. -l should hide any remote FS but seems +# to be all but working. +df -k | sed 1d + + + +# Check mount options. Filesystems may switch to 'ro' in case +# of a read error. +echo '<<<mounts>>>' +grep ^/dev < /proc/mounts + +# processes including username, without kernel processes +echo '<<<ps>>>' +ps|grep -v -e ']$'|awk '{print "("$2","$3",0,00:00/00:00,"$1") "$5""}' + +# Memory usage +section_mem + +# Load and number of processes +section_cpu + +# Uptime +echo '<<<uptime>>>' +cat /proc/uptime + + +echo '<<<lnx_if:sep(58)>>>' +sed 1,2d /proc/net/dev +if type ethtool > /dev/null +then + for eth in $(sed -e 1,2d /proc/net/dev | cut -d':' -f1 | sort) + do + echo "[$eth]" + ethtool "$eth" | grep -E '(Speed|Duplex|Link detected|Auto-negotiation):' + echo -e "\tAddress: $(cat "/sys/class/net/$eth/address")\n" + done +fi + + +# Number of TCP connections in the various states +echo '<<<tcp_conn_stats>>>' +cat /proc/net/tcp /proc/net/tcp6 2>/dev/null | awk ' /:/ { c[$4]++; } END { for (x in c) { print x, c[x]; } }' + + +# Performancecounter Kernel +echo '<<<kernel>>>' +date +%s +cat /proc/vmstat /proc/stat + + + +# Time synchronization with NTP +if type ntpq > /dev/null 2>&1 ; then + echo '<<<ntp>>>' + # remove heading, make first column space separated + ntpq -np | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/' || true +fi + +# Systemtime hack.. +echo '<<<systemtime>>>' +date '+%s' +