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102 lines
3.4 KiB
Plaintext
102 lines
3.4 KiB
Plaintext
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#!/bin/bash
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# This script is intended for use with Munin to monitor
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# ping response time from hosts and through interfaces specified.
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# v. 1.1, 12/16/2007
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# (c) Alex Yanchenko (yanchenko{at}gmail.com), 2007
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# Distributed under GPL v.3 (http://www.gnu.org/licenses/gpl-3.0.txt)
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#
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# The plugin can utilize automatic configuration,
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# here are the basic steps (require root privileges):
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# 1. Copy it as /usr/share/munin/plugins/pinger
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# 2. Make executable: "chmod 755 /usr/share/munin/plugins/pinger"
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# 3. Customize hosts, interfaces and ping count below
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# 4. As pinging takes much time, add a
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# --
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# [pinger]
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# timeout 60
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# --
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# record to /etc/munin/munin-node.conf to avoid timeouts.
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# 5. Run "munin-node-configure --shell", you should see smth like
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# "ln -s /usr/share/munin/plugins/pinger /etc/munin/plugins/pinger"
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# 6. Run the proposed command to create a link.
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# 7. To verify, run "munin-node-configure", you should notice the "pinger" record
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#
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# Plugin | Used | Suggestions
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# ------ | ---- | -----------
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# pinger | yes |
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#
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# 8. Restart munin: "/etc/init.d/munin-node restart"
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# 9. Hold on for 5 minutes at most and watch the graphs appear.
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#
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#%# family=contrib
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#%# capabilities=autoconf
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#----- PROPERTIES START -----#
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# An array of interfaces to ping through, space-separated.
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# In case vnstat is installed, interface names will be fetced
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# from it, 'nicknames'included.
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INTERFACE=(eth2 eth3)
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# An array of hosts to ping, space-separated.
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HOST=(dc.volia.com hosting.rbc.ru slicehost.com)
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# Ping count, higher values lead to more precise
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# results yet take more time
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PING=3
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#----- PROPERTIES END -----#
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# Try to get interface name from vnstat, make sure the name is assigned
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function IF_NAME() {
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ARG=$1
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if [[ $(which vnstat &>/dev/null; echo $?) == 0 ]]
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then
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IF_NAME="$(vnstat | grep "$ARG" | cut -d" " -f2,3 | cut -d":" -f1)"
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else
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IF_NAME="$ARG"
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fi
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echo $IF_NAME
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}
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# Ping given host through a given interface
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function PINGER() {
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ping $2 -c${PING} -I$1 | grep "rtt min/avg/max/mdev" | cut -d" " -f4 | cut -d"/" -f2 | cut -d"." -f1
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}
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case $1 in
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autoconf)
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which ping
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if [[ "$?" = "0" ]]; then
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echo yes
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exit 0
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else
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echo "no (ping not present)"
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exit 1
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fi
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;;
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config)
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cat << EOM
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graph_title Pinger
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graph_category network
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graph_info A nice thingy to ping remote hosts.
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graph_vlabel msec
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graph_args --base 1000 --lower-limit 0
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EOM
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for (( i=0; i<"${#HOST[*]}"; i++ ))
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do
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for (( j=0; j<"${#INTERFACE[*]}"; j++ ))
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do
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echo "${j}_${i}.label $(IF_NAME ${INTERFACE[$j]}) - ${HOST[$i]}"
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done
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done
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;;
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*)
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for (( i=0; i<"${#HOST[*]}"; i++ ))
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do
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for (( j=0; j<"${#INTERFACE[*]}"; j++ ))
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do
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echo "${j}_${i}.value $(PINGER ${INTERFACE[$j]} ${HOST[$i]})"
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done
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done
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;;
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esac
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