Hi Michael and all,

Error messages from collectd have been reported in the forum with Core 
Update 192 (so the 15.12.0 update).

The messages were:-

|07:19:24 collectd[17386]: read-function of plugin 
`openvpn/ovpnserver.log' failed. Will suspend it for 30720.000 seconds. 
07:19:24 collectd[17386]: openvpn plugin: failed to get data from: 
/var/run/ovpnserver.log 03:03:24 collectd[17386]: read-function of 
plugin `openvpn/ovpnserver.log' failed. Will suspend it for 15360.000 
seconds. 03:03:24 collectd[17386]: openvpn plugin: failed to get data 
from: /var/run/ovpnserver.log 00:55:24 collectd[17386]: read-function of 
plugin `openvpn/ovpnserver.log' failed. Will suspend it for 7680.000 
seconds. 00:55:24 collectd[17386]: openvpn plugin: failed to get data 
from: /var/run/ovpnserver.log |

||It appears that the users that are not using openvpn are the ones 
seeing these messages. They apparently do have the 
/var/run/ovpnserver.log file but it is empty.

Looking back through the IPFIre git repo I saw that some of the 22 odd 
patches that had been applied to collectd-4.10.9 were related to openvpn 
and some of them to silencing openvpn errors.

I identified 7 patches related to openvpn, all patching the 
/src/openvpn.c file in the collectd source tarball.

I compared all these patches with the collectd-5.12.0 source tarball.

One of the files had its contents now included in the source tarball. 
This was the one related to changing the openvpn plugin from a COUNTER 
to a DERIVE approach.

The other 6 patches I could not find virtually any match as the 
openvpn.c code is significantly different enough that finding the 
section of code where the changes should be applied was impossible. In 
many cases the variables being changes are no longer present, or if 
present are used in very different commands now.

Any thoughts on how to fix this. Do we need to basically completely 
re-write the old patches to be able to work in the new code or is there 
some way to be able to detect that openvpn is not running and therefore 
comment out the include openvpn plugin command in the collectd.conf file 
in the same way as we do with the thermal plugin.

The issue I see with this is that the thermal line is commented out via 
the collectd initscript, presumably because if this is not capable at 
boot it won't change while the system is running.

However with openvpn the user could enable openvpn to start and then we 
would need to make the collectd daemon restart so that the initscript 
could uncomment the include openvpn plugin line.

Editing the openvpn.c code is beyond my capabilities but the second 
option to uncomment the openvpn plugin line if openvpn is started might 
be in my capabilities.

Any thoughts or other suggestions on this issue.

Regards,
Adolf.

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-- 
Sent from my laptop