mirror of
https://github.com/librenms/librenms.git
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eb79c5b0e0
git-svn-id: http://www.observium.org/svn/observer/trunk@2925 61d68cd4-352d-0410-923a-c4978735b2b8
433 lines
14 KiB
Bash
Executable File
433 lines
14 KiB
Bash
Executable File
#!/bin/bash
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#
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# +------------------------------------------------------------------+
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# | _ _ |
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# | ___ | |__ ___ ___ _ ____ _(_)_ _ _ __ ___ |
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# | / _ \| '_ \/ __|/ _ \ '__\ \ / / | | | | '_ ` _ \ |
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# | | (_) | |_) \__ \ __/ | \ V /| | |_| | | | | | | |
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# | \___/|_.__/|___/\___|_| \_/ |_|\__,_|_| |_| |_| |
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# | |
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# | Copyright Adam Armstrong 2012 adama@observium.org |
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# +------------------------------------------------------------------+
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#
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# +------------------------------------------------------------------+
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# | Copyright Mathias Kettner 2012 mk@mathias-kettner.de |
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# +------------------------------------------------------------------+
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#
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# This file was originally 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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# ails. 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="/usr/lib/check_mk_agent"
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export MK_CONFDIR="/etc/check_mk"
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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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# 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 <&- 2>/dev/null
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fi
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echo '<<<check_mk>>>'
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echo Version: 1.2.0b1
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echo AgentOS: linux
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echo PluginsDirectory: $PLUGINSDIR
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echo LocalDirectory: $LOCALDIR
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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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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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# Partitionen (-P verhindert Zeilenumbruch bei langen Mountpunkten)
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# Achtung: NFS-Mounts werden grundsaetzlich ausgeblendet, um
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# Haenger zu vermeiden. Diese sollten ohnehin besser auf dem
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# Server, als auf dem Client ueberwacht werden.
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echo '<<<df>>>'
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df -PTlk -x smbfs -x tmpfs -x cifs -x iso9660 -x udf -x nfsv4 | sed 1d
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# VMWare shows its own filesystems with 'vdf'. Just one
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# problem: it outputs not 7 but only 6 columns
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if which vdf > /dev/null
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then
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vdf -P | grep ^/vmfs/volumes | sed 's/ / vmfs /'
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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 '/ nfs /s/[^ ]* \([^ ]*\) .*/\1/p' < /proc/mounts |
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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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# 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,vsz,rss,pcpu,command --columns 10000 | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /'
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# Speicherauslastung
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echo '<<<mem>>>'
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egrep -v '^Swap:|^Mem:|total:' < /proc/meminfo
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# Load und Anzahl Prozesse
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echo '<<<cpu>>>'
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echo "$(cat /proc/loadavg) $(grep -E '^CPU|^processor' < /proc/cpuinfo | wc -l)"
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# Uptime
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echo '<<<uptime>>>'
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cat /proc/uptime
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# Network interfaces (Link, Autoneg, Speed)
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# This requires ethtool
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if which ethtool > /dev/null
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then
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echo '<<<netif>>>'
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for eth in $(cat /proc/net/dev | sed -rn -e 's/[[:space:]]*//g' -e '/ *([^:]):.*/s//\1/p' | egrep -vx '(lo|sit.*)')
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do
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echo $eth $(ethtool $eth | egrep '(Speed|Duplex|Link detected|Auto-negotiation):' | cut -d: -f2 | sed 's/ *//g')
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done
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fi
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# New variant: Information about speed and state in one section
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echo '<<<lnx_if:sep(58)>>>'
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sed 1,2d /proc/net/dev
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if which ethtool > /dev/null
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then
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for eth in $(sed -e 1,2d < /proc/net/dev | cut -d':' -f1)
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do
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echo "[$eth]"
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ethtool $eth | egrep '(Speed|Duplex|Link detected|Auto-negotiation):'
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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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netstat -nt | awk ' /^tcp/ { c[$6]++; } 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 which 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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if which 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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egrep ' (x?[shv]d[a-z]*|cciss/c[0-9]+d[0-9]+) ' < /proc/diskstats
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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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# Statistik der Netzwerkgeraete (Pakete, Kollisionen, etc)
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echo '<<<netctr>>>'
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# Genauen Zeitstempel einfuegen, da Counter von Zeit abhaengen
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date +%s
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sed -e 1,2d -e 's/:/ /g' < /proc/net/dev
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if which ipmitool >/dev/null
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then
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echo '<<<ipmi>>>'
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IPMI_FILE=$MK_CONFDIR/ipmitool_sensors.cache
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if [ ! -d $MK_CONFDIR ]; then
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mkdir -p $MK_CONFDIR
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fi
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# Do not use cache file after 20 minutes
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IPMI_MAXAGE=1200
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# Check if file exists and is recent enough
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if [ -s $IPMI_FILE ]
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then
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NOW=$(date +%s)
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MTIME=$(stat -c %Y $IPMI_FILE)
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if [ $((NOW - MTIME)) -le $IPMI_MAXAGE ] ; then
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USE_IPMI_FILE=1
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fi
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fi
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if [ -s "$IPMI_FILE" ]
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then
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grep -v 'command failed' "$IPMI_FILE" \
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| sed -e 's/ *| */|/g' -e "s/ /_/g" -e 's/_*$//' -e 's/|/ /g' \
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| egrep -v '^[^ ]+ na ' \
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| grep -v ' discrete '
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fi
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if [ -z "$USE_IPMI_FILE" -a ! -e "$IPMI_FILE.new" ]
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then
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setsid bash -c "set -o noclobber ; ipmitool sensor list > $IPMI_FILE.new && mv $IPMI_FILE.new $IPMI_FILE || rm -f $IPMI_FILE*" &
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fi
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fi
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# IPMI data via ipmi-sensors (of freeipmi). Please make sure, that if you
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# have installed freeipmi that IPMI is really support by your hardware.
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# The agent tries to avoid hanging forever by setting a limit of 300 seconds
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# for the first run (where the cache is created). If ipmi-sensors runs into
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# that timeout, it leaves and empty cache file. We skip this check forever
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# if we find that empty cache file.
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sdrcache=/var/cache/.freeipmi/sdr-cache/sdr-cache-$(hostname).127.0.0.1
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if which ipmi-sensors >/dev/null && [ ! -e "$sdrcache" -o -s "$sdrcache" ]
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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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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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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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if which MegaCli >/dev/null ; 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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| 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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echo '<<<megaraid_ldisks>>>'
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MegaCli -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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fi
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# 3WARE disk controller (by Radoslaw Bak)
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if which tw_cli > /dev/null ; then
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for C in $(tw_cli show | awk 'NR < 4 { next } { print $1 }'); do
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echo '<<<3ware_info>>>'
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tw_cli /$C show all | egrep 'Model =|Firmware|Serial'
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echo '<<<3ware_disks>>>'
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tw_cli /$C show drivestatus | egrep 'p[0-9]' | sed "s/^/$C\//"
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echo '<<<3ware_units>>>'
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tw_cli /$C show unitstatus | egrep 'u[0-9]' | sed "s/^/$C\//"
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done
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fi
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if which vcbVmName > /dev/null 2>&1 ; then
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echo '<<<vmware_state>>>'
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vcbVmName -s any
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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 which 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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if which ntpq > /dev/null 2>&1 ; then
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echo '<<<ntp>>>'
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# remote heading, make first column space separated
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waitmax 2 ntpq -p | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/'
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fi
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if which nvidia-settings >/dev/null && [ -S /tmp/.X11-unix/X0 ]
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then
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echo '<<<nvidia>>>'
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for var in GPUErrors GPUCoreTemp
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do
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DISPLAY=:0 waitmax 2 nvidia-settings -t -q $var | sed "s/^/$var: /"
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done
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fi
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if [ -e /proc/drbd ]; then
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echo '<<<drbd>>>'
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cat /proc/drbd
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fi
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# Status of CUPS printer queues
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if which lpstat > /dev/null 2>&1; then
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if pgrep cups > /dev/null 2>&1; then
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echo '<<<cups_queues>>>'
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waitmax 3 lpstat -p
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echo '---'
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waitmax 3 lpstat -o|sort
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fi
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fi
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# Heartbeat monitoring
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if which cl_status > /dev/null 2>&1; then
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# Different handling for heartbeat clusters with and without CRM
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# for the resource state
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if [ -S /var/run/heartbeat/crm/cib_ro -o -S /var/run/crm/cib_ro ]; then
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echo '<<<heartbeat_crm>>>'
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crm_mon -1 -r | grep -v ^$ | sed '/^\sResource Group:/,$ s/^\s//; s/^\s/_/g'
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else
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echo '<<<heartbeat_rscstatus>>>'
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cl_status rscstatus
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fi
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echo '<<<heartbeat_nodes>>>'
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for NODE in $(cl_status listnodes); do
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if [ $NODE != $(echo $HOSTNAME | tr 'A-Z' 'a-z') ]; then
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STATUS=$(cl_status nodestatus $NODE)
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echo -n "$NODE $STATUS"
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for LINK in $(cl_status listhblinks $NODE 2>/dev/null); do
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echo -n " $LINK $(cl_status hblinkstatus $NODE $LINK)"
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done
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echo
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fi
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done
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fi
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# Postfix mailqueue monitoring
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#
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# Only handle mailq when postfix user is present. The mailq command is also
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# available when postfix is not installed. But it produces different outputs
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# which are not handled by the check at the moment. So try to filter out the
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# systems not using postfix by searching for the postfix user.a
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#
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# Cannot take the whole outout. This could produce several MB of agent output
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# on blocking queues.
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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
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# but it could be used to get the timestamp of the last message.
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if which mailq >/dev/null 2>&1 && getent passwd postfix >/dev/null 2>&1; then
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echo '<<<postfix_mailq>>>'
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mailq | tail -n 6
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fi
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# Check status of OMD sites
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if type omd >/dev/null
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then
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echo '<<<omd_status>>>'
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omd status --bare --auto
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fi
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# Einbinden von lokalen Plugins, die eine eigene Sektion ausgeben
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if cd $PLUGINSDIR
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then
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for skript in $(ls)
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do
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if [ -x "$skript" ] ; then
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./$skript
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fi
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done
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fi
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# Lokale Einzelchecks
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echo '<<<local>>>'
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if cd $LOCALDIR
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then
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for skript in $(ls)
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do
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if [ -x "$skript" ] ; then
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./$skript
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fi
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done
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fi
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# MK's Remote Plugin Executor
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if [ -e "$MK_CONFDIR/mrpe.cfg" ]
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then
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echo '<<<mrpe>>>'
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grep -Ev '^[[:space:]]*($|#)' "$MK_CONFDIR/mrpe.cfg" | \
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while read descr cmdline
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do
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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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done
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fi
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