1108 lines
36 KiB
Bash
Executable File
1108 lines
36 KiB
Bash
Executable File
#!/bin/bash
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# Check_MK Agent for Linux
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# +------------------------------------------------------------------+
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# | ____ _ _ __ __ _ __ |
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# | / ___| |__ ___ ___| | __ | \/ | |/ / |
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# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / |
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# | | |___| | | | __/ (__| < | | | | . \ |
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# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
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# | |
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# | Copyright Mathias Kettner 2014 mk@mathias-kettner.de |
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# +------------------------------------------------------------------+
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#
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# This file is part of Check_MK.
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# The official homepage is at http://mathias-kettner.de/check_mk.
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#
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# check_mk is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation in version 2. check_mk is distributed
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# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
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# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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# PARTICULAR PURPOSE. See the GNU General Public License for more de-
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# tails. You should have received a copy of the GNU General Public
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# License along with GNU Make; see the file COPYING. If not, write
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# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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# Boston, MA 02110-1301 USA.
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# Remove locale settings to eliminate localized outputs where possible
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export LC_ALL=C
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unset LANG
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export MK_LIBDIR=${MK_LIBDIR:-/usr/lib/check_mk_agent}
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export MK_CONFDIR=${MK_CONFDIR:-/etc/check_mk}
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export MK_VARDIR=${MK_VARDIR:-/var/lib/check_mk_agent}
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# Provide information about the remote host. That helps when data
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# is being sent only once to each remote host.
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if [ "$REMOTE_HOST" ] ; then
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export REMOTE=$REMOTE_HOST
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elif [ "$SSH_CLIENT" ] ; then
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export REMOTE=${SSH_CLIENT%% *}
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fi
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# Make sure, locally installed binaries are found
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PATH=$PATH:/usr/local/bin
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# All executables in PLUGINSDIR will simply be executed and their
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# ouput appended to the output of the agent. Plugins define their own
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# sections and must output headers with '<<<' and '>>>'
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PLUGINSDIR=$MK_LIBDIR/plugins
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# All executables in LOCALDIR will by executabled and their
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# output inserted into the section <<<local>>>. Please
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# refer to online documentation for details about local checks.
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LOCALDIR=$MK_LIBDIR/local
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# All files in SPOOLDIR will simply appended to the agent
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# output if they are not outdated (see below)
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SPOOLDIR=$MK_VARDIR/spool
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# close standard input (for security reasons) and stderr
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if [ "$1" = -d ]
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then
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set -xv
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else
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exec </dev/null 2>/dev/null
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fi
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# Prefer (relatively) new /usr/bin/timeout from coreutils against
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# our shipped waitmax. waitmax is statically linked and crashes on
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# some Ubuntu versions recently.
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if type timeout >/dev/null 2>&1 ; then
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function waitmax () {
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timeout "$@"
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}
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export -f waitmax
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fi
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if [ -f $MK_CONFDIR/encryption.cfg ] ; then
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source $MK_CONFDIR/encryption.cfg
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fi
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if [ "$ENCRYPTED" == "yes" ] ; then
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echo -n "00" # protocol version
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exec > >(openssl enc -aes-256-cbc -k $PASSPHRASE -nosalt)
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fi
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#
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# CHECK SECTIONS
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#
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function section_mem()
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{
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echo '<<<mem>>>'
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egrep -v '^Swap:|^Mem:|total:' < /proc/meminfo
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}
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function section_cpu()
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{
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echo '<<<cpu>>>'
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if [ $(uname -m) = "armv7l" ]; then
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CPU_REGEX='^processor'
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else
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CPU_REGEX='^CPU|^processor'
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fi
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echo "$(cat /proc/loadavg) $(grep -E $CPU_REGEX < /proc/cpuinfo | wc -l)"
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}
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function run_mrpe() {
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local descr=$1
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shift
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local cmdline="$@"
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echo '<<<mrpe>>>'
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PLUGIN=${cmdline%% *}
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OUTPUT=$(eval "$cmdline")
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echo -n "(${PLUGIN##*/}) $descr $? $OUTPUT" | tr \\n \\1
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echo
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}
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export -f run_mrpe
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# Runs a command asynchronous by use of a cache file. Usage:
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# run_cached [-s] NAME MAXAGE
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# -s creates the section header <<<$NAME>>>
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# -m mrpe-mode: stores exit code with the cache
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# NAME is the name of the section (also used as cache file name)
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# MAXAGE is the maximum cache livetime in seconds
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function run_cached () {
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local NOW=$(date +%s)
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local section=
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local mrpe=0
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local append_age=0
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if [ "$1" = -s ] ; then local section="echo '<<<$2:cached($NOW,$3)>>>' ; " ; shift ; fi
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if [ "$1" = -m ] ; then local mrpe=1 ; shift ; fi
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if [ "$1" = -a ] ; then local append_age=1 ; shift ; fi
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local NAME=$1
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local MAXAGE=$2
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shift 2
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local CMDLINE="$section$@"
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if [ ! -d $MK_VARDIR/cache ]; then mkdir -p $MK_VARDIR/cache ; fi
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if [ "$mrpe" = 1 ] ; then
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CACHEFILE="$MK_VARDIR/cache/mrpe_$NAME.cache"
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else
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CACHEFILE="$MK_VARDIR/cache/$NAME.cache"
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fi
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# Check if the creation of the cache takes suspiciously long and kill the
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# process if the age (access time) of $CACHEFILE.new is twice the MAXAGE.
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# Output the evantually already cached section anyways and start the cache
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# update again.
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if [ -e "$CACHEFILE.new" ] ; then
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local CF_ATIME=$(stat -c %X "$CACHEFILE.new")
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if [ $((NOW - CF_ATIME)) -ge $((MAXAGE * 2)) ] ; then
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# Kill the process still accessing that file in case
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# it is still running. This avoids overlapping processes!
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fuser -k -9 "$CACHEFILE.new" >/dev/null 2>&1
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rm -f "$CACHEFILE.new"
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fi
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fi
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# Check if cache file exists and is recent enough
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if [ -s "$CACHEFILE" ] ; then
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local MTIME=$(stat -c %Y "$CACHEFILE")
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local AGE=$((NOW - MTIME))
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if [ $AGE -le $MAXAGE ] ; then local USE_CACHEFILE=1 ; fi
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# Output the file in any case, even if it is
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# outdated. The new file will not yet be available
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if [ $append_age -eq 1 ] ; then
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# insert the cached-string before the pipe (first -e)
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# or, if no pipe found (-e t) append it (third -e),
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# but only once and on the second line (2!b) (first line is section header,
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# all further lines are long output)
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cat "$CACHEFILE" | sed -e "2s/|/ (Cached: ${AGE}\/${MAXAGE}s)|/" -e t -e "2s/$/ (Cached: ${AGE}\/${MAXAGE}s)/"
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else
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cat "$CACHEFILE"
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fi
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fi
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# Cache file outdated and new job not yet running? Start it
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if [ -z "$USE_CACHEFILE" ] && [ ! -e "$CACHEFILE.new" ] ; then
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# When the command fails, the output is throws away ignored
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if [ $mrpe -eq 1 ] ; then
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echo "set -o noclobber ; exec > \"$CACHEFILE.new\" || exit 1 ; run_mrpe $NAME $CMDLINE && mv \"$CACHEFILE.new\" \"$CACHEFILE\" || rm -f \"$CACHEFILE\" \"$CACHEFILE.new\"" | nohup /bin/bash >/dev/null 2>&1 &
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else
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echo "set -o noclobber ; exec > \"$CACHEFILE.new\" || exit 1 ; $CMDLINE && mv \"$CACHEFILE.new\" \"$CACHEFILE\" || rm -f \"$CACHEFILE\" \"$CACHEFILE.new\"" | nohup /bin/bash >/dev/null 2>&1 &
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fi
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fi
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}
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# Make run_cached available for subshells (plugins, local checks, etc.)
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export -f run_cached
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# Implements Real-Time Check feature of the Check_MK agent which can send
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# some section data in 1 second resolution. Useful for fast notifications and
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# detailed graphing (if you configure your RRDs to this resolution).
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function run_real_time_checks()
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{
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PIDFILE=$MK_VARDIR/real_time_checks.pid
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echo $$ > $PIDFILE
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. $MK_CONFDIR/real_time_checks.cfg
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if [ "$PASSPHRASE" != "" ] ; then
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# new mechanism to set the passphrase has priority
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RTC_SECRET=$PASSPHRASE
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fi
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while true; do
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# terminate when pidfile is gone or other Real-Time Check process started or configured timeout
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if [ ! -e $PIDFILE ] || [ $(<$PIDFILE) -ne $$ ] || [ $RTC_TIMEOUT -eq 0 ]; then
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exit 1
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fi
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for SECTION in $RTC_SECTIONS; do
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if [ "$ENCRYPTED_RT" != "no" ] ; then
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PROTOCOL=00
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else
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PROTOCOL=99
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fi
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# Be aware of maximum packet size. Maybe we need to check the size of the section
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# output and do some kind of nicer error handling.
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# 2 bytes: protocol version, 10 bytes: timestamp, rest: encrypted data
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# dd is used to concatenate the output of all commands to a single write/block => udp packet
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{ echo -n $PROTOCOL ;
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date +%s | tr -d '\n' ;
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if [ "$ENCRYPTED_RT" != "no" ] ; then
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export RTC_SECRET=$RTC_SECRET ; section_$SECTION | openssl enc -aes-256-cbc -pass env:RTC_SECRET -nosalt ;
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else
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section_$SECTION ;
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fi
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} | dd bs=9999 iflag=fullblock 2>/dev/null >/dev/udp/$REMOTE/$RTC_PORT
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done
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sleep 1
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RTC_TIMEOUT=$((RTC_TIMEOUT-1))
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done
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}
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echo '<<<check_mk>>>'
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echo Version: 1.4.0p11
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echo AgentOS: linux
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echo Hostname: $HOSTNAME
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echo AgentDirectory: $MK_CONFDIR
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echo DataDirectory: $MK_VARDIR
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echo SpoolDirectory: $SPOOLDIR
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echo PluginsDirectory: $PLUGINSDIR
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echo LocalDirectory: $LOCALDIR
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# If we are called via xinetd, try to find only_from configuration
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if [ -n "$REMOTE_HOST" ]
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then
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echo -n 'OnlyFrom: '
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echo $(sed -n '/^service[[:space:]]*check_mk/,/}/s/^[[:space:]]*only_from[[:space:]]*=[[:space:]]*\(.*\)/\1/p' /etc/xinetd.d/* | head -n1)
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fi
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# Print out Partitions / Filesystems. (-P gives non-wrapped POSIXed output)
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# Heads up: NFS-mounts are generally supressed to avoid agent hangs.
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# If hard NFS mounts are configured or you have too large nfs retry/timeout
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# settings, accessing those mounts from the agent would leave you with
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# thousands of agent processes and, ultimately, a dead monitored system.
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# These should generally be monitored on the NFS server, not on the clients.
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echo '<<<df>>>'
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# The exclusion list is getting a bit of a problem. -l should hide any remote FS but seems
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# to be all but working.
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excludefs="-x smbfs -x cifs -x iso9660 -x udf -x nfsv4 -x nfs -x mvfs -x zfs -x prl_fs"
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df -PTlk $excludefs | sed 1d
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# df inodes information
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echo '<<<df>>>'
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echo '[df_inodes_start]'
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df -PTli $excludefs | sed 1d
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echo '[df_inodes_end]'
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# Filesystem usage for ZFS
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if type zfs > /dev/null 2>&1 ; then
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echo '<<<zfsget>>>'
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zfs get -Hp name,quota,used,avail,mountpoint,type -t filesystem,volume || \
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zfs get -Hp name,quota,used,avail,mountpoint,type
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echo '[df]'
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df -PTlk -t zfs | sed 1d
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fi
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# Check NFS mounts by accessing them with stat -f (System
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# call statfs()). If this lasts more then 2 seconds we
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# consider it as hanging. We need waitmax.
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if type waitmax >/dev/null
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then
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STAT_VERSION=$(stat --version | head -1 | cut -d" " -f4)
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STAT_BROKE="5.3.0"
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echo '<<<nfsmounts>>>'
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sed -n '/ nfs4\? /s/[^ ]* \([^ ]*\) .*/\1/p' < /proc/mounts |
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sed 's/\\040/ /g' |
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while read MP
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do
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if [ ! -r $MP ]; then
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echo "$MP Permission denied"
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elif [ $STAT_VERSION != $STAT_BROKE ]; then
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waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" || \
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echo "$MP hanging 0 0 0 0"
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else
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waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" && \
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printf '\n'|| echo "$MP hanging 0 0 0 0"
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fi
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done
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echo '<<<cifsmounts>>>'
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sed -n '/ cifs\? /s/[^ ]* \([^ ]*\) .*/\1/p' < /proc/mounts |
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sed 's/\\040/ /g' |
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while read MP
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do
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if [ ! -r $MP ]; then
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echo "$MP Permission denied"
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elif [ $STAT_VERSION != $STAT_BROKE ]; then
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waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" || \
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echo "$MP hanging 0 0 0 0"
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else
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waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" && \
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printf '\n'|| echo "$MP hanging 0 0 0 0"
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fi
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done
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fi
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# Check mount options. Filesystems may switch to 'ro' in case
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# of a read error.
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echo '<<<mounts>>>'
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grep ^/dev < /proc/mounts
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# processes including username, without kernel processes
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echo '<<<ps>>>'
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ps ax -o user:32,vsz,rss,cputime,etime,pid,command --columns 10000 | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4\/\5,\6) /'
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# Memory usage
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section_mem
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# Load and number of processes
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section_cpu
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# Uptime
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echo '<<<uptime>>>'
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cat /proc/uptime
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# New variant: Information about speed and state in one section
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if type ip > /dev/null
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then
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echo '<<<lnx_if>>>'
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echo "[start_iplink]"
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ip link
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echo "[end_iplink]"
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fi
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echo '<<<lnx_if:sep(58)>>>'
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sed 1,2d /proc/net/dev
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if type ethtool > /dev/null
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then
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for eth in $(sed -e 1,2d < /proc/net/dev | cut -d':' -f1 | sort)
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do
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echo "[$eth]"
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ethtool $eth | egrep '(Speed|Duplex|Link detected|Auto-negotiation):'
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echo -en "\tAddress: " ; cat /sys/class/net/$eth/address ; echo
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done
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fi
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# Current state of bonding interfaces
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if [ -e /proc/net/bonding ] ; then
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echo '<<<lnx_bonding:sep(58)>>>'
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pushd /proc/net/bonding > /dev/null
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head -v -n 1000 *
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popd > /dev/null
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fi
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# Same for Open vSwitch bonding
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if type ovs-appctl > /dev/null ; then
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echo '<<<ovs_bonding:sep(58)>>>'
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for bond in $(ovs-appctl bond/list | sed -e 1d | rev | cut -f3 | rev) ; do
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echo "[$bond]"
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ovs-appctl bond/show $bond
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done
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fi
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# Number of TCP connections in the various states
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echo '<<<tcp_conn_stats>>>'
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if type waitmax >/dev/null ; then
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THIS=$(waitmax -s 1 10 cat /proc/net/tcp /proc/net/tcp6 2>/dev/null | awk ' /:/ { c[$4]++; } END { for (x in c) { print x, c[x]; } }')
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if [ $? == 0 ] ; then
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echo "$THIS"
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else
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ss -ant |grep -v ^State | awk ' /:/ { c[$1]++; } END { for (x in c) { print x, c[x]; } }' |sed -e 's/^ESTAB/01/g;s/^SYN-SENT/02/g;s/^SYN-RECV/03/g;s/^FIN-WAIT-1/04/g;s/^FIN-WAIT-2/05/g;s/^TIME-WAIT/06/g;s/^CLOSED/07/g;s/^CLOSE-WAIT/08/g;s/^LAST-ACK/09/g;s/^LISTEN/0A/g;s/^CLOSING/0B/g;'
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fi
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fi
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# Linux Multipathing
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if type multipath >/dev/null ; then
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if [ -f /etc/multipath.conf ] ; then
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echo '<<<multipath>>>'
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multipath -l
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fi
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fi
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# Performancecounter Platten
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echo '<<<diskstat>>>'
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date +%s
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egrep ' (x?[shv]d[a-z]*|cciss/c[0-9]+d[0-9]+|emcpower[a-z]+|dm-[0-9]+|VxVM.*|mmcblk.*|dasd[a-z]*|nvme[0-9]+n[0-9]+) ' < /proc/diskstats
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if type dmsetup >/dev/null ; then
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echo '[dmsetup_info]'
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dmsetup info -c --noheadings --separator ' ' -o name,devno,vg_name,lv_name
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fi
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if [ -d /dev/vx/dsk ] ; then
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echo '[vx_dsk]'
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stat -c "%t %T %n" /dev/vx/dsk/*/*
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fi
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# Performancecounter Kernel
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echo '<<<kernel>>>'
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date +%s
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cat /proc/vmstat /proc/stat
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# Hardware sensors via IPMI (need ipmitool)
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if type ipmitool > /dev/null
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then
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run_cached -s "ipmi:sep(124)" 300 "waitmax 300 ipmitool sensor list | grep -v 'command failed' | egrep -v '^[^ ]+ na ' | grep -v ' discrete '"
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# readable discrete sensor states
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run_cached -s "ipmi_discrete:sep(124)" 300 "waitmax 300 ipmitool sdr elist compact"
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fi
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# IPMI data via ipmi-sensors (of freeipmi). Please make sure, that if you
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# have installed freeipmi that IPMI is really support by your hardware.
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if type ipmi-sensors >/dev/null
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then
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echo '<<<ipmi_sensors>>>'
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# Newer ipmi-sensors version have new output format; Legacy format can be used
|
|
if ipmi-sensors --help | grep -q legacy-output; then
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IPMI_FORMAT="--legacy-output"
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else
|
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IPMI_FORMAT=""
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fi
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if ipmi-sensors --help | grep -q " \-\-groups"; then
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IPMI_GROUP_OPT="-g"
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else
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IPMI_GROUP_OPT="-t"
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fi
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|
|
# At least with ipmi-sensors 0.7.16 this group is Power_Unit instead of "Power Unit"
|
|
run_cached -s ipmi_sensors 300 "for class in Temperature Power_Unit Fan
|
|
do
|
|
ipmi-sensors $IPMI_FORMAT --sdr-cache-directory /var/cache $IPMI_GROUP_OPT \"$class\" | sed -e 's/ /_/g' -e 's/:_\?/ /g' -e 's@ \([^(]*\)_(\([^)]*\))@ \2_\1@'
|
|
# In case of a timeout immediately leave loop.
|
|
if [ $? = 255 ] ; then break ; fi
|
|
done"
|
|
fi
|
|
|
|
# RAID status of Linux software RAID
|
|
echo '<<<md>>>'
|
|
cat /proc/mdstat
|
|
|
|
# RAID status of Linux RAID via device mapper
|
|
if type dmraid >/dev/null && DMSTATUS=$(dmraid -r)
|
|
then
|
|
echo '<<<dmraid>>>'
|
|
|
|
# Output name and status
|
|
dmraid -s | grep -e ^name -e ^status
|
|
|
|
# Output disk names of the RAID disks
|
|
DISKS=$(echo "$DMSTATUS" | cut -f1 -d\:)
|
|
|
|
for disk in $DISKS ; do
|
|
device=$(cat /sys/block/$(basename $disk)/device/model )
|
|
status=$(echo "$DMSTATUS" | grep ^${disk})
|
|
echo "$status Model: $device"
|
|
done
|
|
fi
|
|
|
|
# RAID status of LSI controllers via cfggen
|
|
if type cfggen > /dev/null ; then
|
|
echo '<<<lsi>>>'
|
|
cfggen 0 DISPLAY | egrep '(Target ID|State|Volume ID|Status of volume)[[:space:]]*:' | sed -e 's/ *//g' -e 's/:/ /'
|
|
fi
|
|
|
|
# RAID status of LSI MegaRAID controller via MegaCli. You can download that tool from:
|
|
# http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.02.16_MegaCLI.zip
|
|
if type MegaCli >/dev/null ; then
|
|
MegaCli_bin="MegaCli"
|
|
elif type MegaCli64 >/dev/null ; then
|
|
MegaCli_bin="MegaCli64"
|
|
elif type megacli >/dev/null ; then
|
|
MegaCli_bin="megacli"
|
|
else
|
|
MegaCli_bin="unknown"
|
|
fi
|
|
|
|
if [ "$MegaCli_bin" != "unknown" ]; then
|
|
echo '<<<megaraid_pdisks>>>'
|
|
for part in $($MegaCli_bin -EncInfo -aALL -NoLog < /dev/null \
|
|
| sed -rn 's/:/ /g; s/[[:space:]]+/ /g; s/^ //; s/ $//; s/Number of enclosures on adapter ([0-9]+).*/adapter \1/g; /^(Enclosure|Device ID|adapter) [0-9]+$/ p'); do
|
|
[ $part = adapter ] && echo ""
|
|
[ $part = 'Enclosure' ] && echo -ne "\ndev2enc"
|
|
echo -n " $part"
|
|
done
|
|
echo
|
|
$MegaCli_bin -PDList -aALL -NoLog < /dev/null | egrep 'Enclosure|Raw Size|Slot Number|Device Id|Firmware state|Inquiry|Adapter'
|
|
echo '<<<megaraid_ldisks>>>'
|
|
$MegaCli_bin -LDInfo -Lall -aALL -NoLog < /dev/null | egrep 'Size|State|Number|Adapter|Virtual'
|
|
echo '<<<megaraid_bbu>>>'
|
|
$MegaCli_bin -AdpBbuCmd -GetBbuStatus -aALL -NoLog < /dev/null | grep -v Exit
|
|
fi
|
|
|
|
# RAID status of 3WARE disk controller (by Radoslaw Bak)
|
|
if type tw_cli > /dev/null ; then
|
|
for C in $(tw_cli show | awk 'NR < 4 { next } { print $1 }'); do
|
|
echo '<<<3ware_info>>>'
|
|
tw_cli /$C show all | egrep 'Model =|Firmware|Serial'
|
|
echo '<<<3ware_disks>>>'
|
|
tw_cli /$C show drivestatus | egrep 'p[0-9]' | sed "s/^/$C\//"
|
|
echo '<<<3ware_units>>>'
|
|
tw_cli /$C show unitstatus | egrep 'u[0-9]' | sed "s/^/$C\//"
|
|
done
|
|
fi
|
|
|
|
# RAID controllers from areca (Taiwan)
|
|
# cli64 can be found at ftp://ftp.areca.com.tw/RaidCards/AP_Drivers/Linux/CLI/
|
|
if type cli64 >/dev/null ; then
|
|
run_cached -s arc_raid_status 300 "cli64 rsf info | tail -n +3 | head -n -2"
|
|
fi
|
|
|
|
# VirtualBox Guests. Section must always been output. Otherwise the
|
|
# check would not be executed in case no guest additions are installed.
|
|
# And that is something the check wants to detect
|
|
echo '<<<vbox_guest>>>'
|
|
if type VBoxControl >/dev/null 2>&1 && lsmod | grep vboxguest >/dev/null 2>&1; then
|
|
VBoxControl -nologo guestproperty enumerate | cut -d, -f1,2
|
|
[ ${PIPESTATUS[0]} = 0 ] || echo "ERROR"
|
|
fi
|
|
|
|
# OpenVPN Clients. Currently we assume that the configuration # is in
|
|
# /etc/openvpn. We might find a safer way to find the configuration later.
|
|
if [ -e /etc/openvpn/openvpn-status.log ] ; then
|
|
echo '<<<openvpn_clients:sep(44)>>>'
|
|
sed -n -e '/CLIENT LIST/,/ROUTING TABLE/p' < /etc/openvpn/openvpn-status.log | sed -e 1,3d -e '$d'
|
|
fi
|
|
|
|
# Time synchronization with NTP
|
|
if type ntpq > /dev/null 2>&1 ; then
|
|
# remove heading, make first column space separated
|
|
run_cached -s ntp 30 "waitmax 5 ntpq -np | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/' || true"
|
|
fi
|
|
|
|
# Time synchronization with Chrony
|
|
if type chronyc > /dev/null 2>&1 ; then
|
|
# Force successful exit code. Otherwise section will be missing if daemon not running
|
|
run_cached -s chrony 30 "waitmax 5 chronyc -n tracking || true"
|
|
fi
|
|
|
|
if type nvidia-settings >/dev/null && [ -S /tmp/.X11-unix/X0 ]
|
|
then
|
|
echo '<<<nvidia>>>'
|
|
for var in GPUErrors GPUCoreTemp
|
|
do
|
|
DISPLAY=:0 waitmax 2 nvidia-settings -t -q $var | sed "s/^/$var: /"
|
|
done
|
|
fi
|
|
|
|
if [ -e /proc/drbd ]; then
|
|
echo '<<<drbd>>>'
|
|
cat /proc/drbd
|
|
fi
|
|
|
|
# Status of CUPS printer queues
|
|
if type lpstat > /dev/null 2>&1; then
|
|
# Systemd starts cupsd on demand: Instead of checking that the cupsd is
|
|
# running we check that the cups service exists and is enabled.
|
|
if pgrep -f "\bcupsd" > /dev/null 2>&1 \
|
|
|| (type systemctl >/dev/null 2>&1 && systemctl is-enabled cups.service); then
|
|
# first define a function to check cups
|
|
function cups_queues () {
|
|
CPRINTCONF=/etc/cups/printers.conf
|
|
if [ -r "$CPRINTCONF" ] ; then
|
|
LOCAL_PRINTERS=$(grep -E "<(Default)?Printer .*>" $CPRINTCONF | awk '{print $2}' | sed -e 's/>//')
|
|
lpstat -p | while read LINE
|
|
do
|
|
PRINTER=$(echo $LINE | awk '{print $2}')
|
|
if echo "$LOCAL_PRINTERS" | grep -q "$PRINTER"; then
|
|
echo $LINE
|
|
fi
|
|
done
|
|
echo '---'
|
|
lpstat -o | while read LINE
|
|
do
|
|
PRINTER=${LINE%%-*}
|
|
if echo $LOCAL_PRINTERS | grep -q $PRINTER; then
|
|
echo $LINE
|
|
fi
|
|
done
|
|
else
|
|
lpstat -p
|
|
echo '---'
|
|
lpstat -o | sort
|
|
fi
|
|
}
|
|
# Make cups_queues available for subshell
|
|
export -f cups_queues
|
|
# Use cups_queues function with run_cached and cache time of 5 mins
|
|
run_cached -s cups_queues 300 "cups_queues"
|
|
fi
|
|
fi
|
|
|
|
# Heartbeat monitoring
|
|
# Different handling for heartbeat clusters with and without CRM
|
|
# for the resource state
|
|
if [ -S /var/run/heartbeat/crm/cib_ro -o -S /var/run/crm/cib_ro ] || pgrep crmd > /dev/null 2>&1; then
|
|
echo '<<<heartbeat_crm>>>'
|
|
TZ=UTC crm_mon -1 -r | grep -v ^$ | sed 's/^ //; /^\sResource Group:/,$ s/^\s//; s/^\s/_/g'
|
|
fi
|
|
if type cl_status > /dev/null 2>&1; then
|
|
echo '<<<heartbeat_rscstatus>>>'
|
|
cl_status rscstatus
|
|
|
|
echo '<<<heartbeat_nodes>>>'
|
|
for NODE in $(cl_status listnodes); do
|
|
if [ $NODE != $(echo $HOSTNAME | tr 'A-Z' 'a-z') ]; then
|
|
STATUS=$(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
|
|
|
|
# Postfix mailqueue monitoring
|
|
# Determine the number of mails and their size in several postfix mail queues
|
|
function read_postfix_queue_dirs {
|
|
postfix_queue_dir=$1
|
|
if [ -n "$postfix_queue_dir" ]; then
|
|
echo '<<<postfix_mailq>>>'
|
|
if [ ! -z "$2" ]; then
|
|
echo "[[[${2}]]]"
|
|
fi
|
|
for queue in deferred active
|
|
do
|
|
count=$(find $postfix_queue_dir/$queue -type f | wc -l)
|
|
size=$(du -s $postfix_queue_dir/$queue | awk '{print $1 }')
|
|
if [ -z "$size" ]; then
|
|
size=0
|
|
fi
|
|
if [ -z "$count" ]; then
|
|
echo "Mail queue is empty"
|
|
else
|
|
echo "QUEUE_${queue} $size $count"
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
|
|
# Postfix mailqueue monitoring
|
|
# Determine the number of mails and their size in several postfix mail queues
|
|
if type postconf >/dev/null ; then
|
|
# Check if multi_instance_directories exists in main.cf and is not empty
|
|
# always takes the last entry, multiple entries possible
|
|
multi_instances_dirs=$(postconf -c /etc/postfix 2>/dev/null | grep ^multi_instance_directories | sed 's/.*=[[:space:]]*//g')
|
|
if [ ! -z "$multi_instances_dirs" ]; then
|
|
for queue_dir in $multi_instances_dirs
|
|
do
|
|
if [ -n "$queue_dir" ]; then
|
|
postfix_queue_dir=$(postconf -c $queue_dir 2>/dev/null | grep ^queue_directory | sed 's/.*=[[:space:]]*//g')
|
|
read_postfix_queue_dirs $postfix_queue_dir $queue_dir
|
|
fi
|
|
done
|
|
|
|
else
|
|
postfix_queue_dir=$(postconf -h queue_directory 2>/dev/null)
|
|
read_postfix_queue_dirs $postfix_queue_dir
|
|
fi
|
|
|
|
elif [ -x /usr/sbin/ssmtp ] ; then
|
|
echo '<<<postfix_mailq>>>'
|
|
mailq 2>&1 | sed 's/^[^:]*: \(.*\)/\1/' | tail -n 6
|
|
|
|
fi
|
|
|
|
# Postfix status monitoring. Can handle multiple instances.
|
|
if type postfix >/dev/null ; then
|
|
echo "<<<postfix_mailq_status:sep(58)>>>"
|
|
for i in $(ls -d /var/spool/postfix*)
|
|
do
|
|
if [ -e "$i/pid/master.pid" ]; then
|
|
postfix_pid=$(cat $i/pid/master.pid | sed 's/ //g') # handle possible spaces in output
|
|
if readlink -- "/proc/$postfix_pid/exe" | grep -q ".*postfix/\(sbin/\)\?master.*"; then
|
|
echo "$i:the Postfix mail system is running:PID:$postfix_pid" | sed 's/\/var\/spool\///g'
|
|
else
|
|
echo "$i:PID file exists but instance is not running!" | sed 's/\/var\/spool\///g'
|
|
fi
|
|
else
|
|
echo "$i:the Postfix mail system is not running" | sed 's/\/var\/spool\///g'
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Check status of qmail mailqueue
|
|
if type qmail-qstat >/dev/null
|
|
then
|
|
echo "<<<qmail_stats>>>"
|
|
qmail-qstat
|
|
fi
|
|
|
|
# Nullmailer queue monitoring
|
|
if type nullmailer-send >/dev/null && [ -d /var/spool/nullmailer/queue ]
|
|
then
|
|
echo '<<<nullmailer_mailq>>>'
|
|
COUNT=$(find /var/spool/nullmailer/queue -type f | wc -l)
|
|
SIZE=$(du -s /var/spool/nullmailer/queue | awk '{print $1 }')
|
|
echo "$SIZE $COUNT"
|
|
fi
|
|
|
|
# Check status of OMD sites and Check_MK Notification spooler
|
|
if type omd >/dev/null
|
|
then
|
|
run_cached -s omd_status 60 "omd status --bare --auto || true"
|
|
echo '<<<mknotifyd:sep(0)>>>'
|
|
for statefile in /omd/sites/*/var/log/mknotifyd.state ; do
|
|
if [ -e "$statefile" ] ; then
|
|
site=${statefile%/var/log*}
|
|
site=${site#/omd/sites/}
|
|
echo "[$site]"
|
|
grep -v '^#' < $statefile
|
|
fi
|
|
done
|
|
|
|
echo '<<<omd_apache:sep(124)>>>'
|
|
for statsfile in /omd/sites/*/var/log/apache/stats; do
|
|
if [ -e "$statsfile" ] ; then
|
|
site=${statsfile%/var/log*}
|
|
site=${site#/omd/sites/}
|
|
echo "[$site]"
|
|
cat $statsfile
|
|
> $statsfile
|
|
# prevent next section to fail caused by a missing newline at the end of the statsfile
|
|
echo
|
|
fi
|
|
done
|
|
fi
|
|
|
|
|
|
# Welcome the ZFS check on Linux
|
|
# We do not endorse running ZFS on linux if your vendor doesnt support it ;)
|
|
# check zpool status
|
|
if type zpool >/dev/null; then
|
|
echo "<<<zpool_status>>>"
|
|
zpool status -x
|
|
fi
|
|
|
|
|
|
# Veritas Cluster Server
|
|
# Software is always installed in /opt/VRTSvcs.
|
|
# Secure mode must be off to allow root to execute commands
|
|
if [ -x /opt/VRTSvcs/bin/haclus ]
|
|
then
|
|
echo "<<<veritas_vcs>>>"
|
|
vcshost=$(hostname | cut -d. -f1)
|
|
/opt/VRTSvcs/bin/haclus -display -localclus | grep -e ClusterName -e ClusState
|
|
/opt/VRTSvcs/bin/hasys -display -attribute SysState
|
|
/opt/VRTSvcs/bin/hagrp -display -sys $vcshost -attribute State -localclus
|
|
/opt/VRTSvcs/bin/hares -display -sys $vcshost -attribute State -localclus
|
|
fi
|
|
|
|
|
|
# Fileinfo-Check: put patterns for files into /etc/check_mk/fileinfo.cfg
|
|
if [ -r "$MK_CONFDIR/fileinfo.cfg" ] ; then
|
|
echo '<<<fileinfo:sep(124)>>>'
|
|
date +%s
|
|
for line in $(cat "$MK_CONFDIR/fileinfo.cfg")
|
|
do
|
|
# only work on lines containing files, skip e.g. comments and blank lines
|
|
if [ ${line:0:1} = "/" ]; then
|
|
stat -c "%n|%s|%Y" "${line}" 2>/dev/null
|
|
|
|
if [ $? -ne 0 ]; then
|
|
echo "$line|missing|$(date +%s)"
|
|
fi
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Get stats about OMD monitoring cores running on this machine.
|
|
# Since cd is a shell builtin the check does not affect the performance
|
|
# on non-OMD machines.
|
|
if cd /omd/sites
|
|
then
|
|
echo '<<<livestatus_status:sep(59)>>>'
|
|
for site in *
|
|
do
|
|
if [ -S "/omd/sites/$site/tmp/run/live" ] ; then
|
|
echo "[$site]"
|
|
echo -e "GET status" | \
|
|
waitmax 3 /omd/sites/$site/bin/unixcat /omd/sites/$site/tmp/run/live
|
|
fi
|
|
done
|
|
echo '<<<mkeventd_status:sep(0)>>>'
|
|
for site in *
|
|
do
|
|
if [ -S "/omd/sites/$site/tmp/run/mkeventd/status" ] ; then
|
|
echo "[\"$site\"]"
|
|
echo -e "GET status\nOutputFormat: json" \
|
|
| waitmax 3 /omd/sites/$site/bin/unixcat /omd/sites/$site/tmp/run/mkeventd/status
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Collect states of configured Check_MK site backup jobs
|
|
if ls /omd/sites/*/var/check_mk/backup/*.state >/dev/null 2>&1; then
|
|
echo "<<<mkbackup>>>"
|
|
for F in /omd/sites/*/var/check_mk/backup/*.state; do
|
|
SITE=${F#/*/*/*}
|
|
SITE=${SITE%%/*}
|
|
|
|
JOB_IDENT=${F%.state}
|
|
JOB_IDENT=${JOB_IDENT##*/}
|
|
|
|
if [ "$JOB_IDENT" != "restore" ]; then
|
|
echo "[[[site:$SITE:$JOB_IDENT]]]"
|
|
cat $F
|
|
echo
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Collect states of configured CMA backup jobs
|
|
if type mkbackup >/dev/null && ls /var/lib/mkbackup/*.state >/dev/null 2>&1; then
|
|
echo "<<<mkbackup>>>"
|
|
for F in /var/lib/mkbackup/*.state; do
|
|
JOB_IDENT=${F%.state}
|
|
JOB_IDENT=${JOB_IDENT##*/}
|
|
|
|
if [ "$JOB_IDENT" != "restore" ]; then
|
|
echo "[[[system:$JOB_IDENT]]]"
|
|
cat $F
|
|
echo
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Get statistics about monitored jobs. Below the job directory there
|
|
# is a sub directory per user that ran a job. That directory must be
|
|
# owned by the user so that a symlink or hardlink attack for reading
|
|
# arbitrary files can be avoided.
|
|
if pushd $MK_VARDIR/job >/dev/null; then
|
|
echo '<<<job>>>'
|
|
for username in *
|
|
do
|
|
if [ -d "$username" ] && cd "$username" ; then
|
|
if [ $EUID -eq 0 ]; then
|
|
su "$username" -c "head -n -0 -v *"
|
|
else
|
|
head -n -0 -v *
|
|
fi
|
|
cd ..
|
|
fi
|
|
done
|
|
popd > /dev/null
|
|
fi
|
|
|
|
# Gather thermal information provided e.g. by acpi
|
|
# At the moment only supporting thermal sensors
|
|
if ls /sys/class/thermal/thermal_zone* >/dev/null 2>&1; then
|
|
echo '<<<lnx_thermal>>>'
|
|
for F in /sys/class/thermal/thermal_zone*; do
|
|
echo -n "${F##*/} "
|
|
if [ ! -e $F/mode ] ; then echo -n "- " ; fi
|
|
cat $F/{mode,type,temp,trip_point_*} | tr \\n " "
|
|
echo
|
|
done
|
|
fi
|
|
|
|
# Libelle Business Shadow
|
|
if type trd >/dev/null; then
|
|
echo "<<<libelle_business_shadow:sep(58)>>>"
|
|
trd -s
|
|
fi
|
|
|
|
# HTTP Accelerator Statistics
|
|
if type varnishstat >/dev/null; then
|
|
echo "<<<varnish>>>"
|
|
varnishstat -1
|
|
fi
|
|
|
|
# Proxmox Cluster
|
|
if type pvecm > /dev/null 2>&1 ; then
|
|
echo "<<<pvecm_status:sep(58)>>>"
|
|
pvecm status
|
|
echo "<<<pvecm_nodes>>>"
|
|
pvecm nodes
|
|
fi
|
|
|
|
# Start new liveupdate process in background on each agent execution. Starting
|
|
# a new live update process will terminate the old one automatically after
|
|
# max. 1 sec.
|
|
if [ -e $MK_CONFDIR/real_time_checks.cfg ]; then
|
|
if [ -z $REMOTE ]; then
|
|
echo "ERROR: \$REMOTE not specified. Not starting Real-Time Checks." >&2
|
|
elif ! type openssl >/dev/null; then
|
|
echo "ERROR: openssl command is missing. Not starting Real-Time Checks." >&2
|
|
else
|
|
run_real_time_checks >/dev/null &
|
|
fi
|
|
fi
|
|
|
|
# MK's Remote Plugin Executor
|
|
if [ -e "$MK_CONFDIR/mrpe.cfg" ]
|
|
then
|
|
grep -Ev '^[[:space:]]*($|#)' "$MK_CONFDIR/mrpe.cfg" | \
|
|
while read descr cmdline
|
|
do
|
|
interval=
|
|
args="-m"
|
|
# NOTE: Due to an escaping-related bug in some old bash versions
|
|
# (3.2.x), we have to use an intermediate variable for the pattern.
|
|
pattern='\(([^\)]*)\)[[:space:]](.*)'
|
|
if [[ $cmdline =~ $pattern ]]
|
|
then
|
|
parameters=${BASH_REMATCH[1]}
|
|
cmdline=${BASH_REMATCH[2]}
|
|
|
|
# split multiple parameter assignments
|
|
for par in $(echo $parameters | tr ":" "\n")
|
|
do
|
|
# split each assignment
|
|
key=$(echo $par | cut -d= -f1)
|
|
value=$(echo $par | cut -d= -f2)
|
|
|
|
if [ "$key" = "interval" ] ; then
|
|
interval=$value
|
|
elif [ "$key" = "appendage" ] ; then
|
|
args="$args -a"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
if [ -z "$interval" ]
|
|
then
|
|
run_mrpe $descr "$cmdline"
|
|
else
|
|
run_cached $args $descr $interval "$cmdline"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# MK's runas Executor
|
|
if [ -e "$MK_CONFDIR/runas.cfg" ]
|
|
then
|
|
grep -Ev '^[[:space:]]*($|#)' "$MK_CONFDIR/runas.cfg" | \
|
|
while read type user include
|
|
do
|
|
if [ -d $include -o \( "$type" == "mrpe" -a -f $include \) ] ; then
|
|
PREFIX=""
|
|
if [ "$user" != "-" ] ; then
|
|
PREFIX="su $user -c "
|
|
fi
|
|
|
|
# mrpe includes
|
|
if [ "$type" == "mrpe" ] ; then
|
|
grep -Ev '^[[:space:]]*($|#)' "$include" | \
|
|
while read descr cmdline
|
|
do
|
|
interval=
|
|
# NOTE: Due to an escaping-related bug in some old bash
|
|
# versions (3.2.x), we have to use an intermediate variable
|
|
# for the pattern.
|
|
pattern='\(([^\)]*)\)[[:space:]](.*)'
|
|
if [[ $cmdline =~ $pattern ]]
|
|
then
|
|
parameters=${BASH_REMATCH[1]}
|
|
cmdline=${BASH_REMATCH[2]}
|
|
|
|
# split multiple parameter assignments
|
|
for par in $(echo $parameters | tr ":" "\n")
|
|
do
|
|
# split each assignment
|
|
IFS='=' read key value <<< $par
|
|
if [ "$key" = "interval" ]
|
|
then
|
|
interval=$value
|
|
# no other parameters supported currently
|
|
fi
|
|
done
|
|
fi
|
|
|
|
if [ -n "$PREFIX" ] ; then
|
|
cmdline="$PREFIX\'$cmdline\'"
|
|
fi
|
|
if [ -z "$interval" ]
|
|
then
|
|
run_mrpe $descr "$cmdline"
|
|
else
|
|
run_cached -m $descr $interval "$cmdline"
|
|
fi
|
|
done
|
|
|
|
# local and plugin includes
|
|
elif [ "$type" == "local" -o "$type" == "plugin" ] ; then
|
|
if [ "$type" == "local" ] ; then
|
|
echo "<<<local>>>"
|
|
fi
|
|
|
|
find $include -executable -type f | \
|
|
while read filename
|
|
do
|
|
if [ -n "$PREFIX" ] ; then
|
|
cmdline="$PREFIX\"$filename\""
|
|
else
|
|
cmdline=$filename
|
|
fi
|
|
|
|
$cmdline
|
|
done
|
|
fi
|
|
fi
|
|
done
|
|
fi
|
|
|
|
function is_valid_plugin () {
|
|
# NOTE: Due to an escaping-related bug in some old bash versions
|
|
# (3.2.x), we have to use an intermediate variable for the pattern.
|
|
pattern='\.dpkg-(new|old|temp)$'
|
|
[[ -f "$1" && -x "$1" && ! "$1" =~ $pattern ]] && true || false
|
|
}
|
|
|
|
|
|
# Local checks
|
|
echo '<<<local>>>'
|
|
if cd $LOCALDIR ; then
|
|
for skript in $(ls) ; do
|
|
if is_valid_plugin "$skript" ; then
|
|
./$skript
|
|
fi
|
|
done
|
|
# Call some plugins only every X'th second
|
|
for skript in [1-9]*/* ; do
|
|
if is_valid_plugin "$skript" ; then
|
|
run_cached local_${skript//\//\\} ${skript%/*} "$skript"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Plugins
|
|
if cd $PLUGINSDIR ; then
|
|
for skript in $(ls) ; do
|
|
if is_valid_plugin "$skript" ; then
|
|
./$skript
|
|
fi
|
|
done
|
|
# Call some plugins only every Xth second
|
|
for skript in [1-9]*/* ; do
|
|
if is_valid_plugin "$skript" ; then
|
|
run_cached plugins_${skript//\//\\} ${skript%/*} "$skript"
|
|
fi
|
|
done
|
|
fi
|
|
|
|
# Agent output snippets created by cronjobs, etc.
|
|
if [ -d "$SPOOLDIR" ]
|
|
then
|
|
pushd "$SPOOLDIR" > /dev/null
|
|
now=$(date +%s)
|
|
|
|
for file in *
|
|
do
|
|
test "$file" = "*" && break
|
|
# output every file in this directory. If the file is prefixed
|
|
# with a number, then that number is the maximum age of the
|
|
# file in seconds. If the file is older than that, it is ignored.
|
|
maxage=""
|
|
part="$file"
|
|
|
|
# Each away all digits from the front of the filename and
|
|
# collect them in the variable maxage.
|
|
while [ "${part/#[0-9]/}" != "$part" ]
|
|
do
|
|
maxage=$maxage${part:0:1}
|
|
part=${part:1}
|
|
done
|
|
|
|
# If there is at least one digit, than we honor that.
|
|
if [ "$maxage" ] ; then
|
|
mtime=$(stat -c %Y "$file")
|
|
if [ $((now - mtime)) -gt $maxage ] ; then
|
|
continue
|
|
fi
|
|
fi
|
|
|
|
# Output the file
|
|
cat "$file"
|
|
done
|
|
popd > /dev/null
|
|
fi
|