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Set up logrotate for server

How it works

seaf-server, ccnet-server (since version 3.1) and seafile-controller (since version 6.0.8) support reopenning logfiles by receiving a SIGUR1 signal.

This feature is very useful when you need cut logfiles while you don't want to shutdown the server. All you need to do now is cutting the logfile on the fly.

Default logrotate configuration directory

For debian, the default directory for logrotate should be /etc/logrotate.d/

Sample configuration

Assuming your ccnet-server's logfile is /home/haiwen/logs/ccnet.log and your ccnet-server's pidfile for ccnet-server is /home/haiwen/pids/ccnet.pid.

Assuming your seaf-server's logfile is setup to /home/haiwen/logs/seafile.log and your seaf-server's pidfile for seaf-server is setup to /home/haiwen/pids/seaf-server.pid:

The configuration for logrotate could be like this:

/home/haiwen/logs/seafile.log
{
        daily
        missingok
        rotate 15
        compress
        delaycompress
        notifempty
        sharedscripts
        postrotate
                [ ! -f /home/haiwen/pids/seaf-server.pid ] || kill -USR1 `cat /home/haiwen/pids/seaf-server.pid`
        endscript
}

/home/haiwen/logs/ccnet.log
{
        daily
        missingok
        rotate 15
        compress
        delaycompress
        notifempty
        sharedscripts
        postrotate
                [ ! -f /home/haiwen/pids/ccnet.pid ] || kill -USR1 `cat /home/haiwen/pids/ccnet.pid`
        endscript
}

/home/haiwen/logs/index.log
{
    monthly
    missingok
    rotate 15
    compress
    delaycompress
    notifempty
    sharedscripts
}

You can save this file, in debian for example, at /etc/logrotate.d/seafile.