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https://github.com/librenms/librenms.git
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Merge pull request #409 from f0o/issue-405-check_mk
Updated check_mk_agent
This commit is contained in:
Neil Lathwood
commit
77a5d6b745
@ -6,7 +6,7 @@
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# | | |___| | | | __/ (__| < | | | | . \ |
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# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ |
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# | |
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# | Copyright Mathias Kettner 2013 mk@mathias-kettner.de |
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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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@ -29,6 +29,15 @@ unset LANG
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export MK_LIBDIR="/usr/lib/check_mk_agent"
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export MK_CONFDIR="/etc/check_mk"
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export 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=$PATH:/usr/local/bin
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@ -45,8 +54,7 @@ LOCALDIR=$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# output if they are not outdated (see below)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=$MK_CONFDIR/spool
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SPOOLDIR=$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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@ -58,21 +66,26 @@ fi
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# Runs a command asynchronous by use of a cache file
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function run_cached () {
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local section=
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if [ "$1" = -s ] ; then local section="echo '<<<$2>>>' ; " ; 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_CONFDIR/cache ]; then mkdir -p $MK_CONFDIR/cache ; fi
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CACHEFILE="$MK_CONFDIR/cache/$NAME.cache"
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if [ ! -d $MK_VARDIR/cache ]; then mkdir -p $MK_VARDIR/cache ; fi
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CACHEFILE="$MK_VARDIR/cache/$NAME.cache"
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# Check if the creation of the cache takes suspiciously long and return
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# Check if the creation of the cache takes suspiciously long and return
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# nothing if the age (access time) of $CACHEFILE.new is twice the MAXAGE
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local NOW=$(date +%s)
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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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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 "$CACHEFILE.new"
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return
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fi
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fi
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@ -88,17 +101,21 @@ function run_cached () {
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# Cache file outdated and new job not yet running? Start it
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if [ -z "$USE_CACHEFILE" -a ! -e "$CACHEFILE.new" ] ; then
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echo "set -o noclobber ; exec > \"$CACHEFILE.new\" || exit 1 ; $CMDLINE && mv \"$CACHEFILE.new\" \"$CACHEFILE\" || rm -f \"$CACHEFILE\" \"$CACHEFILE.new\"" | nohup bash 2>/dev/null &
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echo "set -o noclobber ; exec > \"$CACHEFILE.new\" || exit 1 ; $CMDLINE && mv \"$CACHEFILE.new\" \"$CACHEFILE\" || rm -f \"$CACHEFILE\" \"$CACHEFILE.new\"" | nohup bash >/dev/null 2>&1 &
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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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echo '<<<check_mk>>>'
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echo Version: 1.2.4p5
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echo Version: 1.2.6b5
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echo AgentOS: linux
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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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echo SpoolDirectory: $SPOOLDIR
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echo AgentDirectory: $MK_CONFDIR
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# If we are called via xinetd, try to find only_from configuration
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if [ -n "$REMOTE_HOST" ]
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@ -117,13 +134,20 @@ fi
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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 tmpfs -x cifs -x iso9660 -x udf -x nfsv4 -x nfs -x mvfs -x zfs"
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excludefs="-x smbfs -x cifs -x iso9660 -x udf -x nfsv4 -x nfs -x mvfs -x zfs"
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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 $excludefs | sed 1d
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echo '[df_inodes_end]'
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# Filesystem usage for ZFS
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if type zfs > /dev/null 2>&1 ; then
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echo '<<<zfsget>>>'
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zfs get -Hp name,quota,used,avail,mountpoint,type
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zfs get -Hp name,quota,used,avail,mountpoint,type -t filesystem,volume || \
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zfs get -Hp name,quota,used,avail,mountpoint,type
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echo '[df]'
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df -PTlk -t zfs | sed 1d
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fi
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@ -149,6 +173,20 @@ then
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printf '\n'|| echo "$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 [ $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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@ -158,8 +196,7 @@ 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,vsz,rss,pcpu,command --columns 10000 | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /'
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ps ax -o user,vsz,rss,cputime,pid,command --columns 10000 | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4,\5) /'
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# Memory usage
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echo '<<<mem>>>'
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@ -183,7 +220,7 @@ then
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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
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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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@ -210,22 +247,12 @@ echo '<<<tcp_conn_stats>>>'
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# New implementation: netstat is very slow for large TCP tables
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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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# Platten- und RAID-Status von LSI-Controlleren, falls vorhanden
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if type cfggen > /dev/null ; then
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echo '<<<lsi>>>'
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cfggen 0 DISPLAY | egrep '(Target ID|State|Volume ID|Status of volume)[[:space:]]*:' | sed -e 's/ *//g' -e 's/:/ /'
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fi
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# Multipathgeraete
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# Linux Multipathing
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if type multipath >/dev/null ; then
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echo '<<<multipath>>>'
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multipath -l
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fi
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# Soft-RAID
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echo '<<<md>>>'
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cat /proc/mdstat
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# Performancecounter Platten
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echo '<<<diskstat>>>'
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date +%s
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@ -254,69 +281,81 @@ 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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# The agent tries to avoid hanging forever by setting a limit of 300 seconds
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# for the first run (where the cache is created). If ipmi-sensors runs into
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# that timeout, it leaves and empty cache file. We skip this check forever
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# if we find that empty cache file.
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sdrcache=/var/cache/.freeipmi/sdr-cache/sdr-cache-$(hostname | cut -d. -f1).127.0.0.1
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if type ipmi-sensors >/dev/null && [ ! -e "$sdrcache" -o -s "$sdrcache" ]
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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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# No cache file existing? => Impose a high time limit. We do not suffice
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# in creating the cache we most probably run on a hardware where this tool
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# is hanging forever. We make sure that we never try again in that case!
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if [ ! -e "$sdrcache" ]
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then
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WAITMAX="waitmax 300"
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elif tail --bytes 2 < "$sdrcache" | od -t x2 | grep -q 0a0a
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then
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WAITMAX="waitmax 3"
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else
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# Cache file corrupt. Must end with two linefeeds.
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rm -f $sdrcache
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WAITMAX=
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fi
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# Newer ipmi-sensors version have new output format; Legacy format can be used
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if ipmi-sensors --help | grep -q legacy-output; then
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IPMI_FORMAT="--legacy-output"
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else
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IPMI_FORMAT=""
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fi
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# Aquire lock with flock in order to avoid multiple runs of ipmi-sensors
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# in case of parallel or overlapping calls of the agent.
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(
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flock -n 200 --wait 60
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# At least with ipmi-sensoirs 0.7.16 this group is Power_Unit instead of "Power Unit"
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for class in Temperature Power_Unit Fan
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do
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$WAITMAX ipmi-sensors $IPMI_FORMAT --sdr-cache-directory /var/cache -g "$class" | sed -e 's/ /_/g' -e 's/:_\?/ /g' -e 's@ \([^(]*\)_(\([^)]*\))@ \2_\1@'
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# In case of a timeout immediately leave loop.
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# At least with ipmi-sensoirs 0.7.16 this group is Power_Unit instead of "Power Unit"
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run_cached -s ipmi_sensors 300 "for class in Temperature Power_Unit Fan
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do
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ipmi-sensors $IPMI_FORMAT --sdr-cache-directory /var/cache -g "$class" | sed -e 's/ /_/g' -e 's/:_\?/ /g' -e 's@ \([^(]*\)_(\([^)]*\))@ \2_\1@'
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# In case of a timeout immediately leave loop.
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if [ $? = 255 ] ; then break ; fi
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WAITMAX="waitmax 3"
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done
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) 200>>"$sdrcache"
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done"
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fi
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# State of LSI MegaRAID controller via MegaCli. You can download that tool from:
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# http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.02.16_MegaCLI.zip
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# RAID status of Linux software RAID
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echo '<<<md>>>'
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cat /proc/mdstat
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# RAID status of Linux RAID via device mapper
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if type dmraid >/dev/null && DMSTATUS=$(dmraid -r)
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then
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echo '<<<dmraid>>>'
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# Output name and status
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dmraid -s | grep -e ^name -e ^status
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# Output disk names of the RAID disks
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DISKS=$(echo "$DMSTATUS" | cut -f1 -d\:)
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for disk in $DISKS ; do
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device=$(cat /sys/block/$(basename $disk)/device/model )
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status=$(echo "$DMSTATUS" | grep ^${disk})
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echo "$status Model: $device"
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done
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fi
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# RAID status of LSI controllers via cfggen
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if type cfggen > /dev/null ; then
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echo '<<<lsi>>>'
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cfggen 0 DISPLAY | egrep '(Target ID|State|Volume ID|Status of volume)[[:space:]]*:' | sed -e 's/ *//g' -e 's/:/ /'
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fi
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# RAID status of LSI MegaRAID controller via MegaCli. You can download that tool from:
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# http://www.lsi.com/downloads/Public/MegaRAID%20Common%20Files/8.02.16_MegaCLI.zip
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if type MegaCli >/dev/null ; then
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MegaCli_bin="MegaCli"
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elif type MegaCli64 >/dev/null ; then
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MegaCli_bin="MegaCli64"
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elif type megacli >/dev/null ; then
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MegaCli_bin="megacli"
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else
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MegaCli_bin="unknown"
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fi
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if [ "$MegaCli_bin" != "unknown" ]; then
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echo '<<<megaraid_pdisks>>>'
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for part in $(MegaCli -EncInfo -aALL -NoLog < /dev/null \
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for part in $($MegaCli_bin -EncInfo -aALL -NoLog < /dev/null \
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| 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
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[ $part = adapter ] && echo ""
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[ $part = 'Enclosure' ] && echo -ne "\ndev2enc"
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echo -n " $part"
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done
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echo
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MegaCli -PDList -aALL -NoLog < /dev/null | egrep 'Enclosure|Raw Size|Slot Number|Device Id|Firmware state|Inquiry|Adapter'
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$MegaCli_bin -PDList -aALL -NoLog < /dev/null | egrep 'Enclosure|Raw Size|Slot Number|Device Id|Firmware state|Inquiry|Adapter'
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echo '<<<megaraid_ldisks>>>'
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MegaCli -LDInfo -Lall -aALL -NoLog < /dev/null | egrep 'Size|State|Number|Adapter|Virtual'
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$MegaCli_bin -LDInfo -Lall -aALL -NoLog < /dev/null | egrep 'Size|State|Number|Adapter|Virtual'
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echo '<<<megaraid_bbu>>>'
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MegaCli -AdpBbuCmd -GetBbuStatus -aALL -NoLog < /dev/null | grep -v Exit
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$MegaCli_bin -AdpBbuCmd -GetBbuStatus -aALL -NoLog < /dev/null | grep -v Exit
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fi
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# 3WARE disk controller (by Radoslaw Bak)
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# RAID status of 3WARE disk controller (by Radoslaw Bak)
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if type tw_cli > /dev/null ; then
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for C in $(tw_cli show | awk 'NR < 4 { next } { print $1 }'); do
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echo '<<<3ware_info>>>'
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@ -328,11 +367,17 @@ if type tw_cli > /dev/null ; then
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done
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fi
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# RAID controllers from areca (Taiwan)
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# cli64 can be found at ftp://ftp.areca.com.tw/RaidCards/AP_Drivers/Linux/CLI/
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if type cli64 >/dev/null ; then
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run_cached -s arc_raid_status 300 "cli64 rsf info | tail -n +3 | head -n -2"
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fi
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# VirtualBox Guests. Section must always been output. Otherwise the
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# check would not be executed in case no guest additions are installed.
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# And that is something the check wants to detect
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echo '<<<vbox_guest>>>'
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if type VBoxControl > /dev/null 2>&1 ; then
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if type VBoxControl >/dev/null 2>&1 ; then
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VBoxControl -nologo guestproperty enumerate | cut -d, -f1,2
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[ ${PIPESTATUS[0]} = 0 ] || echo "ERROR"
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fi
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@ -341,12 +386,19 @@ fi
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# /etc/openvpn. We might find a safer way to find the configuration later.
|
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if [ -e /etc/openvpn/openvpn-status.log ] ; then
|
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echo '<<<openvpn_clients:sep(44)>>>'
|
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sed -n -e '/CLIENT LIST/,/ROUTING TABLE/p' < /etc/openvpn/openvpn-status.log | sed -e 1,3d -e '$d'
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sed -n -e '/CLIENT LIST/,/ROUTING TABLE/p' < /etc/openvpn/openvpn-status.log | sed -e 1,3d -e '$d'
|
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fi
|
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|
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# Time synchronization with NTP
|
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if type ntpq > /dev/null 2>&1 ; then
|
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# remove heading, make first column space separated
|
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run_cached -s ntp 30 "waitmax 5 ntpq -p | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/'"
|
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run_cached -s ntp 30 "waitmax 5 ntpq -np | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/'"
|
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fi
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|
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# Time synchronization with Chrony
|
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if type chronyc > /dev/null 2>&1 ; then
|
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# Force successful exit code. Otherwise section will be missing if daemon not running
|
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run_cached -s chrony 30 "waitmax 5 chronyc tracking || true"
|
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fi
|
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|
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if type nvidia-settings >/dev/null && [ -S /tmp/.X11-unix/X0 ]
|
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@ -380,7 +432,7 @@ if type lpstat > /dev/null 2>&1; then
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echo '---'
|
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lpstat -o | while read LINE
|
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do
|
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PRINTER=$(echo $LINE | awk '{print $2}')
|
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PRINTER=${LINE%%-*}
|
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if echo "$LOCAL_PRINTERS" | grep -q "$PRINTER"; then
|
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echo $LINE
|
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fi
|
||||
@ -429,9 +481,17 @@ fi
|
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# Only handle the last 6 lines (includes the summary line at the bottom and
|
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# the last message in the queue. The last message is not used at the moment
|
||||
# but it could be used to get the timestamp of the last message.
|
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if type mailq >/dev/null 2>&1 && [ -x /usr/sbin/postfix ] && getent passwd postfix >/dev/null 2>&1; then
|
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if type postconf >/dev/null ; then
|
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echo '<<<postfix_mailq>>>'
|
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mailq | tail -n 6
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postfix_queue_dir=$(postconf -h queue_directory)
|
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postfix_count=$(find $postfix_queue_dir/deferred -type f | wc -l)
|
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postfix_size=$(du -ks $postfix_queue_dir/deferred | awk '{print $1 }')
|
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if [ $postfix_count -gt 0 ]
|
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then
|
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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
|
||||
@ -447,7 +507,7 @@ fi
|
||||
# Check status of OMD sites
|
||||
if type omd >/dev/null
|
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then
|
||||
run_cached omd_status 60 "echo '<<<omd_status>>>' ; omd status --bare --auto"
|
||||
run_cached -s omd_status 60 "omd status --bare --auto"
|
||||
fi
|
||||
|
||||
|
||||
@ -486,7 +546,7 @@ fi
|
||||
# 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 /var/lib/check_mk_agent/job >/dev/null; then
|
||||
if pushd $MK_VARDIR/job >/dev/null; then
|
||||
echo '<<<job>>>'
|
||||
for username in *
|
||||
do
|
||||
@ -504,11 +564,18 @@ if ls /sys/class/thermal/thermal_zone* >/dev/null 2>&1; then
|
||||
echo '<<<lnx_thermal>>>'
|
||||
for F in /sys/class/thermal/thermal_zone*; do
|
||||
echo -n "${F##*/} "
|
||||
if [ ! -e $F/mode ] ; then echo -n "- " ; fi
|
||||
cat $F/{mode,type,temp,trip_point_*} | tr \\n " "
|
||||
echo
|
||||
done
|
||||
fi
|
||||
|
||||
# Libelle Business Shadow
|
||||
if type trd >/dev/null; then
|
||||
echo "<<<libelle_business_shadow:sep(58)>>>"
|
||||
trd -s
|
||||
fi
|
||||
|
||||
# MK's Remote Plugin Executor
|
||||
if [ -e "$MK_CONFDIR/mrpe.cfg" ]
|
||||
then
|
||||
|
||||
Loading…
Reference in New Issue
Block a user