How to rotate Apache2.2/logs/access_log without restarting AMS 5.0.1 on AWS.

Question

The Adobe Media Server 5.0.1 docs say that Logging.xml controls rotating of the Apache access_log file but its not rotating and I don't see how to configure it in Logging.xml.

Logging.xml takes care of the AMS log files like Access.log but it doens't seem to handle the Apache logs. I've seen where you use logrotated to rotate the Apache logs, then issue a "reload" to the service, but AMS controls Apache and the AMS service only supports start, stop, and reload which takes a minimum of 5 to 10 seconds to reload the server. How can I rotate the Apache logs using Logger.xml or how can I issue a reload directly to Apache when the AMS scripts control it?

http://help.adobe.com/en_US/adobemediaserver/configadmin/WS5b3ccc516d4fbf351e63e3d119f29260bd-7ffa.2.3.html

Michael_Kennedy__12345_ · Accepted Answer

You could use rotatelogs instead of cronolog. Rotatelogs is installed with the AMS/FMS install of Apache. It is documented here: http://httpd.apache.org/docs/2.2/programs/rotatelogs.html. The above example would become:

CustomLog "|/opt/adobe/ams/Apache2.2/bin/rotatelogs /mnt/ams/Apache2.2/logs/access_log.%Y%m%d 86400" combined

You will need to write your own scripts to manage these logs so that your disks do not fill up. The following two lines in your crontab will compress files older than 1 day, and delete compressed logs after 30 days.

@daily find /mnt//ams/Apache2.2/logs/ -type f -name '*.gz' -mtime +30 -delete

@daily for file in `find /mnt/ams/Apache2.2/logs/ -not -name '*.gz' -mmin +1440`;do gzip --best $file;done

seblbuk · Answer

To rotate the apache logs you need to pipe them through a third party tool (i saying that there may be something in apache I may have read once, however here is a tried and tested solution assuming you are on linux), Logging.xml is only for FMS (well it was for 4.5.5 and before).

Download cronolog (http://cronolog.org/)
Change your log directive
1. From: CustomLog "logs/access.log" combined
2. To: CustomLog "| /mnt/apps/cronolog/sbin/cronolog -S /mnt/fms/Apache2.2/logs/access_log /mnt/fms/Apache2.2/logs/%Y%m%d_access.log" combined
Restart apache
You logs will now roll daily on the first time they are written to
1. ie the logs dont roll at midnight, but the first time they are written to after midnight (so if no one access your server on a day, there will be no log for that day)

The above example makes the assumptiosn:

FMS apache is installed in /mnt/fms/Apache2.2 and you want to use its log dir
cronolog installed in /mnt/apps/cronolog/

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