104 lines
2.3 KiB
Bash
Executable File
104 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Script for monitoring nginx Virtual host output traffic
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#
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# Requirements: logtail awk
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# one unique access log file with $bytes_sent value for more accuracy
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# check http://wiki.nginx.org/NginxHttpLogModule
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#
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# Configuration Options (all options have defaults)
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# [nginx_vhost_traffic]
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#
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# Virtual host list
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# env.vhosts "example.com example.net example.org"
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#
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# Log path
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# env.logdir = /var/log/nginx
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# env.flogfile = access.log
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#
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# Position of the $bytes_sent in the access.log file
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# env.bparam 11
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#
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# Aggregate subdomains
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# ex: example.com will match www.example.com, webmail.example.com and *example.com
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# BUG: will also match also www.bad-example.com
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# env.aggregate true #change to false to disable aggregation
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#
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# To report bugs, improvements or get updates
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# see http://github.com/joanpc/nginix_vhost_traffic
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#
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# inspired in postfix_filtered_awk
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# Copyright (c) 2010, Joan Perez i Cauhe
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LOGDIR=${logdir:-/var/log/nginx}
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ACCESS_LOG=$LOGDIR/${logfile:-access.log}
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LOGTAIL=${logtail:-`which logtail`}
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STATEFILE=$MUNIN_PLUGSTATE/nginx_vhost_traffic.state
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VHOSTS=${vhosts:-`hostname`}
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AGGREGATE=${aggregate:-true}
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BPARAM=${bparam:-11}
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case $1 in
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config)
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DRAW=AREA
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echo 'graph_title Nginx Virtual host traffic'
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echo 'graph_vlabel bits out / ${graph_period}'
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echo 'graph_args --base 1000 -l 0'
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echo 'graph_category webserver'
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i=0
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for vhost in $VHOSTS
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do
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i=$(($i + 1))
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echo vhost$i.label $vhost
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echo vhost$i.type ABSOLUTE
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echo vhost$i.cdef vhost$i,8,*
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echo vhost$i.draw $DRAW
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DRAW=STACK
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done
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echo rest.label Rest
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echo rest.type ABSOLUTE
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echo rest.cdef rest,8,*
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echo rest.draw STACK
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exit 0;;
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esac
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export BPARAM
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export VHOSTS
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export AGGREGATE
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# Awk Script
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$LOGTAIL ${ACCESS_LOG} -o $STATEFILE | awk '
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BEGIN {
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split(ENVIRON["VHOSTS"], hosts)
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for (host in hosts) { track[hosts[host]] = host}
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}
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{
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cn[$2]+=$ENVIRON["BPARAM"]
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}
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END {
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for (host in cn) {
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if (match(ENVIRON["AGGREGATE"], "true")) {
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found = 0
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for (vhost in track) {
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if (index(host, vhost)) {
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res[vhost] += cn[host]
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found = 1
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break
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}
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}
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if (! found) rest+=cn[host]
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} else {
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if (host in track) {
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res[host] += cn[host]
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} else rest+=cn[host]
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}
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}
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print "aggregate: " ENVIRON["AGGREGATE"]
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for (vhost in track) print "vhost" track[vhost] ".value " res[vhost]+0
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print "rest.value " rest + 0
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}'
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