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@ebuildy
Last active August 29, 2015 14:15
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#!/bin/sh
sudo apt-get install snmpd xinetd
#sudo nano /etc/snmp/snmpd.conf
sudo curl -o /usr/bin/observium_agent https://gist.githubusercontent.com/ebuildy/6aab534af385ab535b99/raw/c6665fbcc086ca953c08b9b85189d67d6bfd5387/observium_agent
sudo curl -o /etc/xinetd.d/observium_agent_xinetd https://gist.githubusercontent.com/ebuildy/6aab534af385ab535b99/raw/ec27ea4f5d2b11d6b0f35296dbdbbca5f2cc3ee1/observium_agent_xinetd
sudo chmod a+x /usr/bin/observium_agent
sudo service xinetd restart
sudo mkdir /usr/lib/observium_agent
sudo mkdir /usr/lib/observium_agent/local
#!/bin/bash
# _ _
# ___ | |__ ___ ___ _ ____ _(_)_ _ _ __ ___
# / _ \| '_ \/ __|/ _ \ '__\ \ / / | | | | '_ ` _ \
# | (_) | |_) \__ \ __/ | \ V /| | |_| | | | | | |
# \___/|_.__/|___/\___|_| \_/ |_|\__,_|_| |_| |_|
# Linux Agent
# Copyright Adam Armstrong 2013
#
# Based on Check_MK from Mathias Kettner <mk@mathias-kettner.de>
#
# check_mk is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation in version 2. check_mk is distributed
# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with-
# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU General Public License for more de-
# ails. You should have received a copy of the GNU General Public
# License along with GNU Make; see the file COPYING. If not, write
# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301 USA.
# Remove locale settings to eliminate localized outputs where possible
export LC_ALL=C
unset LANG
export AGENT_LIBDIR="/usr/lib/observium_agent"
export AGENT_CONFDIR="/etc/observium"
# Make sure, locally installed binaries are found
PATH=$PATH:/usr/local/bin
# All executables in PLUGINSDIR will simply be executed and their
# ouput appended to the output of the agent. Plugins define their own
# sections and must output headers with '<<<' and '>>>'
PLUGINSDIR=$AGENT_LIBDIR/plugins
# All executables in LOCALDIR will by executabled and their
# output inserted into the section <<<local>>>. Please
# refer to online documentation for details about local checks.
LOCALDIR=$AGENT_LIBDIR/local
# close standard input (for security reasons) and stderr
if [ "$1" = -d ]
then
set -xv
else
exec <&- 2>/dev/null
fi
echo '<<<Observium>>>'
echo Version: 1.0.1
echo AgentOS: linux
echo PluginsDirectory: $PLUGINSDIR
echo LocalDirectory: $LOCALDIR
echo AgentDirectory: $AGENT_CONFDIR
# If we are called via xinetd, try to find only_from configuration
if [ -n "$REMOTE_HOST" ]
then
echo -n 'OnlyFrom: '
echo $(sed -n '/^service[[:space:]]*observium_agent/,/}/s/^[[:space:]]*only_from[[:space:]]*=[[:space:]]*\(.*\)/\1/p' /etc/xinetd.d/* | head -n1)
fi
# Show filesystems. -P Prevents wrapping long mount points
# Hide NFS mounts to prevent hanging
echo '<<<df>>>'
df -PTlk -x smbfs -x tmpfs -x cifs -x iso9660 -x udf -x nfsv4 | sed 1d
# VMWare shows its own filesystems with 'vdf'. Just one
# problem: it outputs not 7 but only 6 columns
if which vdf > /dev/null
then
vdf -P | grep ^/vmfs/volumes | sed 's/ / vmfs /'
fi
# Check NFS mounts by accessing them with stat -f (System
# call statfs()). If this lasts more then 2 seconds we
# consider it as hanging. We need waitmax.
if type waitmax >/dev/null
then
STAT_VERSION=$(stat --version | head -1 | cut -d" " -f4)
STAT_BROKE="5.3.0"
echo '<<<nfsmounts>>>'
sed -n '/ nfs /s/[^ ]* \([^ ]*\) .*/\1/p' < /proc/mounts |
while read MP
do
if [ $STAT_VERSION != $STAT_BROKE ]; then
waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" || \
echo "$MP hanging 0 0 0 0"
else
waitmax -s 9 2 stat -f -c "$MP ok %b %f %a %s" "$MP" && \
printf '\n'|| echo "$MP hanging 0 0 0 0"
fi
done
fi
# Check mount options. Filesystems may switch to 'ro' in case
# of a read error.
echo '<<<mounts>>>'
grep ^/dev < /proc/mounts
# processes including username, without kernel processes
echo '<<<ps>>>'
ps ax -o user,vsz,rss,pcpu,command --columns 10000 | sed -e 1d -e 's/ *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) */(\1,\2,\3,\4) /'
# Memory Usage
echo '<<<mem>>>'
egrep -v '^Swap:|^Mem:|total:' < /proc/meminfo
# Load and active processes.
echo '<<<cpu>>>'
echo "$(cat /proc/loadavg) $(grep -E '^CPU|^processor' < /proc/cpuinfo | wc -l)"
# Uptime
echo '<<<uptime>>>'
cat /proc/uptime
# Network interfaces (Link, Autoneg, Speed)
# This requires ethtool
if which ethtool > /dev/null
then
echo '<<<netif>>>'
for eth in $(cat /proc/net/dev | sed -rn -e 's/[[:space:]]*//g' -e '/ *([^:]):.*/s//\1/p' | egrep -vx '(lo|sit.*)')
do
echo $eth $(ethtool $eth | egrep '(Speed|Duplex|Link detected|Auto-negotiation):' | cut -d: -f2 | sed 's/ *//g')
done
fi
# New variant: Information about speed and state in one section
echo '<<<lnx_if:sep(58)>>>'
sed 1,2d /proc/net/dev
if which ethtool > /dev/null
then
for eth in $(sed -e 1,2d < /proc/net/dev | cut -d':' -f1)
do
echo "[$eth]"
ethtool $eth | egrep '(Speed|Duplex|Link detected|Auto-negotiation):'
done
fi
# Number of TCP connections in the various states
echo '<<<tcp_conn_stats>>>'
netstat -nt | awk ' /^tcp/ { c[$6]++; } END { for (x in c) { print x, c[x]; } }'
# Disk and RAID status of LSI Controllers, if available
if which cfggen > /dev/null ; then
echo '<<<lsi>>>'
cfggen 0 DISPLAY | egrep '(Target ID|State|Volume ID|Status of volume)[[:space:]]*:' | sed -e 's/ *//g' -e 's/:/ /'
fi
# Multipath devices.
if which multipath >/dev/null ; then
echo '<<<multipath>>>'
multipath -l
fi
# Soft-RAID
echo '<<<md>>>'
cat /proc/mdstat
# Disk performance counters
echo '<<<diskstat>>>'
date +%s
egrep ' (x?[shv]d[a-z]*|cciss/c[0-9]+d[0-9]+) ' < /proc/diskstats
# Kernel performance counters
echo '<<<kernel>>>'
date +%s
cat /proc/vmstat /proc/stat
# Network performance counters (Packets, collisions, etc)
echo '<<<netctr>>>'
# Exact timestamp because counters depend upon the time
date +%s
sed -e 1,2d -e 's/:/ /g' < /proc/net/dev
# IPMI data via ipmi-sensors (of freeipmi). Please make sure, that if you
# have installed freeipmi that IPMI is really support by your hardware.
# The agent tries to avoid hanging forever by setting a limit of 300 seconds
# for the first run (where the cache is created). If ipmi-sensors runs into
# that timeout, it leaves and empty cache file. We skip this check forever
# if we find that empty cache file.
sdrcache=/var/cache/.freeipmi/sdr-cache/sdr-cache-$(hostname).127.0.0.1
if which ipmi-sensors >/dev/null && [ ! -e "$sdrcache" -o -s "$sdrcache" ]
then
echo '<<<ipmi_sensors>>>'
# No cache file existing? => Impose a high time limit. We do not suffice
# in creating the cache we most probably run on a hardware where this tool
# is hanging forever. We make sure that we never try again in that case!
if [ ! -e "$sdrcache" ]
then
WAITMAX="waitmax 300"
elif tail --bytes 2 < "$sdrcache" | od -t x2 | grep -q 0a0a
then
WAITMAX="waitmax 3"
else
# Cache file corrupt. Must end with two linefeeds.
rm -f $sdrcache
WAITMAX=
fi
# Newer ipmi-sensors version have new output format; Legacy format can be used
if ipmi-sensors --help | grep -q legacy-output; then
IPMI_FORMAT="--legacy-output"
else
IPMI_FORMAT=""
fi
# Aquire lock with flock in order to avoid multiple runs of ipmi-sensors
# in case of parallel or overlapping calls of the agent.
(
flock -n 200 --wait 60
# At least with ipmi-sensoirs 0.7.16 this group is Power_Unit instead of "Power Unit"
for class in Temperature Power_Unit Fan
do
$WAITMAX ipmi-sensors $IPMI_FORMAT --sdr-cache-directory /var/cache -g "$class" | sed -e 's/ /_/g' -e 's/:_\?/ /g' -e 's@ \([^(]*\)_(\([^)]*\))@ \2_\1@'
# In case of a timeout immediately leave loop.
if [ $? = 255 ] ; then break ; fi
WAITMAX="waitmax 3"
done
) 200>>"$sdrcache"
fi
# State 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 which MegaCli >/dev/null ; then
echo '<<<megaraid_pdisks>>>'
for part in $(MegaCli -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 -PDList -aALL -NoLog < /dev/null | egrep 'Enclosure|Raw Size|Slot Number|Device Id|Firmware state|Inquiry|Adapter'
echo '<<<megaraid_ldisks>>>'
MegaCli -LDInfo -Lall -aALL -NoLog < /dev/null | egrep 'Size|State|Number|Adapter|Virtual'
echo '<<<megaraid_bbu>>>'
MegaCli -AdpBbuCmd -GetBbuStatus -aALL -NoLog < /dev/null | grep -v Exit
fi
# 3WARE disk controller (by Radoslaw Bak)
if which 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
if which vcbVmName > /dev/null 2>&1 ; then
echo '<<<vmware_state>>>'
vcbVmName -s any
fi
if which ntpq > /dev/null 2>&1 ; then
echo '<<<ntp>>>'
# remote heading, make first column space separated
waitmax 2 ntpq -p | sed -e 1,2d -e 's/^\(.\)/\1 /' -e 's/^ /%/'
fi
if [ -e /proc/drbd ]; then
echo '<<<drbd>>>'
cat /proc/drbd
fi
# Status of CUPS printer queues
if which lpstat > /dev/null 2>&1; then
if pgrep cups > /dev/null 2>&1; then
echo '<<<cups_queues>>>'
waitmax 3 lpstat -p
echo '---'
waitmax 3 lpstat -o|sort
fi
fi
# Heartbeat monitoring
if which cl_status > /dev/null 2>&1; then
# 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 ]; then
echo '<<<heartbeat_crm>>>'
crm_mon -1 -r | grep -v ^$ | sed '/^\sResource Group:/,$ s/^\s//; s/^\s/_/g'
else
echo '<<<heartbeat_rscstatus>>>'
cl_status rscstatus
fi
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
#
# Only handle mailq when postfix user is present. The mailq command is also
# available when postfix is not installed. But it produces different outputs
# which are not handled by the check at the moment. So try to filter out the
# systems not using postfix by searching for the postfix user.a
#
# Cannot take the whole outout. This could produce several MB of agent output
# on blocking queues.
# Only handle the last 6 lines (includes the summary line at the bottom and
# 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.
if which mailq >/dev/null 2>&1 && getent passwd postfix >/dev/null 2>&1; then
echo '<<<postfix_mailq>>>'
mailq | tail -n 6
fi
# Check status of OMD sites
if type omd >/dev/null
then
echo '<<<omd_status>>>'
omd status --bare --auto
fi
# Einbinden von lokalen Plugins, die eine eigene Sektion ausgeben
if cd $PLUGINSDIR
then
for skript in $(ls)
do
if [ -x "$skript" ] ; then
./$skript
fi
done
fi
# Lokale Einzelchecks
echo '<<<local>>>'
if cd $LOCALDIR
then
for skript in $(ls|grep -v '~$')
do
if [ -x "$skript" ] ; then
./$skript
fi
done
fi
service observium_agent
{
type = UNLISTED
port = 36602
socket_type = stream
protocol = tcp
wait = no
user = root
server = /usr/bin/observium_agent
# configure the IPv[4|6] address(es) of your Observium server here:
# only_from = 127.0.0.1 ::1
# Don't be too verbose. Don't log every check. This might be
# commented out for debugging. If this option is commented out
# the default options will be used for this service.
log_on_success =
disable = no
}
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