How is my logrotate script different from the logrotate script in
/etc/cron.daily/logrotate? They are both executed by cron, so they should
have the same permissions. Does it make a difference between
/var/log/messages and /syslog_data/logs/*/*.log that the former is
generated by rsyslog routing messages under a selector/filter to it and the
latter is a defined dynamic file?

-ABB

On Tue, Jun 2, 2020 at 10:45 AM Rainer Gerhards <[email protected]>
wrote:

> Sounds like logrotate has no permission to send hup to rsyslog process...
>
> Rainer
>
> Sent from phone, thus brief.
>
> Anthony Benitez Borges via rsyslog <[email protected]> schrieb am
> Di., 2. Juni 2020, 16:29:
>
>> I have some switches/firewalls sending logs to my logging server through
>> both TCP/UDP and I have noticed that whenever these logs are rotated, the
>> dynamic files are not generated when logrotate sends a HUP signal to
>> rsyslog.
>>
>> I have the following rsyslog ruleset that is applied to the inputs for the
>> imudp and imtcp modules:
>> ----------------------------------------------------
>> template(name="remote_log_path" type="string"
>> string="/syslog_data/logs/%fromhost-ip%/%fromhost-ip%.syslog.log")
>>
>> ruleset(name="remote_logging_rules") {
>>     # filter junk messages using if-statement
>>     action(
>>         type="omfile"
>>         dynaFile="remote_log_path"
>>         dirOwner="root"
>>         dirGroup="root"
>>         dirCreateMode="0700"
>>         fileOwner="root"
>>         fileGroup="root"
>>         fileCreateMode="0600"
>>         dynaFileCacheSize="50"
>>         asyncWriting="on"
>>         flushOnTXEnd="off"
>>         ioBufferSize="64k"
>>     )
>>     stop
>> }
>>
>> module(load="imudp")
>> module(load="imtcp")
>>
>> input(type="imudp" port="514" ruleset="remote_logging_rules")
>> input(type="imtcp" port="514" ruleset="remote_logging_rules")
>> ----------------------------------------------------
>>
>> I have a script under /etc/cron.daily that executes logrotate using the
>> following file:
>> ----------------------------------------------------
>> /syslog_data/logs/*/*.log {
>>     notifempty
>>     rotate 4
>>     size 10M
>>     olddir /syslog_data/archive
>>     compress
>>     sharedscripts
>>     postrotate
>>         /bin/kill -HUP `cat /var/run/rsyslog.pid 2> /dev/null` 2>
>> /dev/null
>> || true
>>     endscript
>> }
>> ----------------------------------------------------
>>
>> If I send the HUP signal myself, then rsyslog proceeds to generate the
>> files, but not when sent by logrotate. The devices sending logs are
>> constantly sending logs (every minute), so I know the issue is not that
>> they are not sending logs and therefore rsyslog doesn't generate a new
>> file. How can I fix this?
>>
>> Thank you!
>> -ABB
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>
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