[ixpmanager] Issues with MRTG in Ubuntu 18.04

[Nick Hilliard (INEX)]

Hi Mauricio,

If this is on Ubuntu, then you should create a file called 
/etc/tmpfiles.d/mrtg with the following contents:

d /run/mrtg 1777 root root

This will create the file on bootup.

You can then use --pid-file=/run/mrtg/mrtg.pid as before.

Nick

Mauricio Oviedo wrote on 06/08/2020 17:08:

> Hi Nick,
>
> Thanks, it worked correctly after creating the directory. However, 
> after rebooting the folder is deleted.
>
> If I point the lock file to a different directory MRTG starts fine 
> after rebooting:
>
> --lock-file /tmp/mrtg_l
>
> Another approach could be to create the /var/lock/mrtg folder at start 
> or simply use just /var/lock...
>
>  What do you think?
>
> El mié., 5 ago. 2020 a las 11:13, Nick Hilliard (INEX) (<nick at inex.ie 
> <mailto:nick at inex.ie>>) escribió:
>
>     Hi Mauricio,
>
>     Can you try creating the lock directory to see if that fixes the
>     problem?
>
>     # mkdir -p /var/lock/mrtg
>     # chmod 755 /var/lock/mrtg
>     # chown mrtg:mrtg /var/lock/mrtg
>
>     Nick
>
>>     Mauricio Oviedo <mailto:gennesys at gmail.com>
>>     4 August 2020 at 15:38
>>     Hi Nick,
>>
>>     1. /var/log/mrtg/mrtg.log
>>
>>     2020-08-04 10:16:27 -- Started mrtg with config
>>     '/var/lib/mrtg/ixpmanager.cfg'
>>     2020-08-04 10:16:27 -- 2020-08-04 10:16:27: ERROR: Creating
>>     templock /var/lock/mrtg/mrtg_l_2715: No such file or directory at
>>     /usr/bin/mrtg line 1970.
>>
>>     2. Yes, /var/lib/mrtg/ixpmanager.cfg is being generated correctly
>>     by artisan
>>
>>     Thanks,
>>     Mauricio
>>
>>
>>
>>     Nick Hilliard (INEX) <mailto:nick at inex.ie>
>>     4 August 2020 at 15:32
>>     Hi Mauricio,
>>
>>     Mauricio Oviedo wrote on 04/08/2020 15:17:
>>>         Process: 2296 ExecStart=/usr/bin/mrtg --daemon
>>>     /var/lib/mrtg/ixpmanager.cfg --logging /var/log/mrtg/mrtg.log --pid-file=/run/mrtg/mrtg.pid --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok (code=exited, status=1/FAILURE)
>>>     Aug 04 10:10:47 srv-ixpmanager systemd[1]: mrtg.service: Failed with result 'protocol'.
>>     Two things here:
>>
>>     1. what error is appearing in /var/log/mrtg/mrtg.log?
>>
>>     1. can you make sure that the configuration in
>>     /var/lib/mrtg/ixpmanager.cfg is what's being generated by artisan?
>>
>>     Nick
>>     _______________________________________________
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>>     ixpmanager at inex.ie <mailto:ixpmanager at inex.ie>
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>>
>>     Mauricio Oviedo <mailto:gennesys at gmail.com>
>>     4 August 2020 at 15:17
>>     Hi!
>>
>>     I´m trying to move MRTG configuration to systemd, following the
>>     information here:
>>
>>     https://github.com/inex/IXP-Manager/issues/627
>>
>>     OS: Ubuntu 18.04
>>     IXPMv: 5.6.0
>>
>>     But I'm unable to start mrtg now. Here the logs:
>>
>>     root at ixpmanager:~# systemctl start mrtg
>>     Job for mrtg.service failed because the service did not take the
>>     steps required by its unit configuration.
>>     See "systemctl status mrtg.service" and "journalctl -xe" for details.
>>
>>     root at ixpmanager:~# systemctl status mrtg.service
>>     ● mrtg.service - Multi-router Traffic Grapher
>>        Loaded: loaded (/etc/systemd/system/mrtg.service; enabled;
>>     vendor preset: enabled)
>>        Active: failed (Result: protocol) since Tue 2020-08-04
>>     10:07:18 -04; 7s ago
>>        Process: 2296 ExecStart=/usr/bin/mrtg --daemon
>>     /var/lib/mrtg/ixpmanager.cfg --logging /var/log/mrtg/mrtg.log
>>     --pid-file=/run/mrtg/mrtg.pid --lock-file /var/lock/mrtg/mrtg_l
>>     --confcache-file /var/lib/mrtg/mrtg.ok (code=exited,
>>     status=1/FAILURE)
>>
>>     Aug 04 10:07:18 ixpmanager systemd[1]: Starting Multi-router
>>     Traffic Grapher...
>>     Aug 04 10:07:18 ixpmanager systemd[1]: mrtg.service: Failed to
>>     parse PID from file /run/mrtg/mrtg.pid: Invalid argument
>>     Aug 04 10:07:18 ixpmanager systemd[1]: mrtg.service: Failed with
>>     result 'protocol'.
>>     Aug 04 10:07:18 ixpmanager systemd[1]: Failed to start
>>     Multi-router Traffic Grapher.
>>
>>     root at ixpmanager:~# journalctl -xe
>>     Aug 04 10:10:47 srv-ixpmanager systemd[1]: Starting Multi-router
>>     Traffic Grapher...
>>     -- Subject: Unit mrtg.service has begun start-up
>>     -- Defined-By: systemd
>>     -- Support: http://www.ubuntu.com/support
>>     --
>>     -- Unit mrtg.service has begun starting up.
>>     Aug 04 10:10:47 srv-ixpmanager systemd[1]: mrtg.service: Failed
>>     to parse PID from file /run/mrtg/mrtg.pid: Invalid argument
>>     Aug 04 10:10:47 srv-ixpmanager systemd[1]: mrtg.service: Failed
>>     with result 'protocol'.
>>     Aug 04 10:10:47 srv-ixpmanager systemd[1]: Failed to start
>>     Multi-router Traffic Grapher.
>>     -- Subject: Unit mrtg.service has failed
>>     -- Defined-By: systemd
>>     -- Support: http://www.ubuntu.com/support
>>     --
>>     -- Unit mrtg.service has failed.
>>
>>
>>     Could you point me in the right direction?
>>
>>
>>
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>>     ixpmanager at inex.ie <mailto:ixpmanager at inex.ie>
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>

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