60 lines
2.1 KiB
Bash
Executable File
60 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2013 Alexandru Iacob
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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######################################################################################################
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# The plugin will generate a graph that displays the page load time
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# We need to add our custom log format into Apache config.
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# The plugin was tested on Ubuntu Server 12.04.02 LTS
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#
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# apache2.conf
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# LogFormat "%h %l %u %t \"%r\" %>s %O %b %D \"%{Referer}i\" \"%{User-Agent}i\"" custom
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#
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# According to : http://httpd.apache.org/docs/2.2/mod/mod_log_config.html
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# %D The time taken to serve the request, in microseconds.
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# In our case %D -> 9
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######################################################################################################
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# GLOBALS
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LOGFILE="/var/log/apache2/access.log"
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BUFFER_SIZE=500
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######################################################################################################
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do_ () {
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command="tail -n $BUFFER_SIZE $LOGFILE | awk '{sum=sum+\$9} END {print \"exec_time.value \"(sum/$BUFFER_SIZE)/1000000}'"
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eval $command
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exit 0
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}
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do_config () {
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echo "graph_title Average page execution time"
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echo "graph_vlabel Seconds"
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echo "graph_category webserver"
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echo "graph_args --base 1000 -l 0"
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echo "graph_info Average page execution time"
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echo "exec_time.label Execution time"
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echo "exec_time.type GAUGE"
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}
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case $1 in
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config|'')
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eval do_$1
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esac
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exit $?
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