Difference: InstallationProcedure (20 vs. 21)

Revision 212009-03-10 - DaniloDongiovanni

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META TOPICPARENT	name="WebDocumentation"

WMS/LB sensors installation:

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Download the following tar.gz in /root:

cd /root

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wget --no-check-certificate https://grid-it.cnaf.infn.it/certification/downloads/wmsmon_sensors-v1.4-1.tgz

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wget --no-check-certificate https://grid-it.cnaf.infn.it/certification/downloads/wmsmon_sensors-v1.4-1.tgz

Untar the file in /root

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yum install httpd_ (tested with httpd-2.0.52-38.sl4.2)

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yum install php php-mysql

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yum install php php-mysql

(tested with php-4.3.9-3.22.9, php-mysql-4.3.9-3.22.9

yum install python_

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(tested with PYTHON-2.3.4-14.4.EL4_6.1) #PYTHON 2.3 is REQUIRED

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(tested with PYTHON-2.3.4-14.4.EL4_6.1) #PYTHON 2.3 is REQUIRED

yum install mysql mysql-server

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Download this tar.gz file in /root :

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Download this tar.gz file in /root :

wget --no-check-certificate https://grid-it.cnaf.infn.it/certification/downloads/wmsmon_server-v1.4-1.tgz

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Untar the downloaded file

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Untar the downloaded file

tar -xvzf wmsmon_server-v1.4-1.tgz

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You must pay attention in editing the wmsmon_site-info.def file because it contains all the information needed by executables to run properly.
It is important that it is edited carefully using a key = value notation.
Comments can be made using # at the beginning of the line.

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You can leave the defaults if you do not see the need for a change.

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You can leave the defaults if you do not see the need for a change.

For sure on the collector instance you need to change the following keys:

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- WMSMON_HOST = 'Set here the name of the wmsmon data collector host'
- WMSMON_DB_PWD = 'set here the collector root mysql passwd'

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- WMSMON_HOST = 'Set here the name of the wmsmon data collector host'
- WMSMON_DB_PWD = 'set here the collector root mysql passwd'

- SNMPPASSWD = 'The password you choose for snmp communication between data collector and wms instance !! NOTE: it must be the same on

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Start the mysql server

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service mysqld start

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service mysqld start

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cp /root/wmsmon/cron.d/wmsmon_logrotate.conf /etc/

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(Pay attention that if you change the log file name in wmsmon_site-info.def you need to change it also in the wmsmon_logrotate.conf file)

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*(Pay attention that if you change the log file name in wmsmon_site-info.def you need to change it also in the wmsmon_logrotate.conf file) *

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The wmsmon.cron and the wmsmon_daily.cron cronjobs trigger the execution of the two python executables that collect the data. The first one is executed every 15 minutes and collects data from the wms/lb instances, while the second one creates some daily aggregated statistics and runs every two hours.

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If you want to increase the rate of data collection you need to increase the running frequency of the first cronjob. Note the the tool was not widely tested at acquisition rates greater than 900 seconds.

Edit the wmsmonlist.conf file

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Put here the WMS/LB instances you want to monitor as described in the file.
Every line contains a WMS(first string), its associated LB (second string) and a word indicating which VO is served by the WMS (you can put just one word) (third string)
Please do not use comments in this file

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Execute the cron executables:

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/root/wmsmon/bin/data_collector_main_autoup.py /root/wmsmon/wmsmonlist.conf 900

Check if errors are reported

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Configure the WEB

cd /root/wmsmon

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yum install php-gd gd gd-devel

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yum install php-gd gd gd-devel

python phpconf_script.py /root/wmsmon/wmsmonlist.conf

In /etc/php.ini set : memory_limit = 24M (Default should be 8M)

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Web interface is now configured. It should be reachable at http://<your_wmsmon_host>/wmsmon/main

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If you need an https connection you need to install the mod_ssl rpm (yum install mod_ssl) and restart the httpd service
service httpd restart
The web interface will be reachable at:
https://<your_wmsmon_host>/wmsmon/main

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Moreover if you would like to use a server certificate, or to change the standard port you need to edit the /etc/httpd/conf.d/ssl.conf file and restart the httd service. \ No newline at end of file

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