[Pkg-nagios-devel] Bug#863797: Bug#863797: monitoring-plugins-basic: unable to use check_disk inside /var/tmp

Emmanuel DECAEN Emmanuel.Decaen at xsalto.com
Thu Jun 1 08:21:18 UTC 2017

Le 01/06/2017 à 07:21, Sebastiaan Couwenberg a écrit :
> notfound 863797 nagios-nrpe/3.0.1-3
> thanks
> On 05/31/2017 11:05 PM, Emmanuel DECAEN wrote:
>>> And what does nagios-nrpe-server log on the system where the check_disk
>>> command you claim fails?
>> May 31 22:46:45 server nrpe[31037]: Running command:
>> /usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /var/tmp/mysql
>> May 31 22:46:45 server nrpe[31037]: Command completed with return code 2
>> and output: DISK CRITICAL - /var/tmp/mysql is not accessible: No such
>> file or directory
>> May 31 22:46:45 server nrpe[31037]: Return Code: 2, Output: DISK
>> CRITICAL - /var/tmp/mysql is not accessible: No such file or directory
>> I think the problem is related to this "private" mount in
>> nagios-nrpe-server (extract from /proc/xx/mountinfo):
>> 121 113 8:5
>> /tmp/systemd-private-b35c254c031041979d3126e02a0c5c51-nagios-nrpe-server.service-MbLbk1/tmp
>> /var/tmp rw,relatime shared:66 master:28 - ext4 /dev/sda5 rw,data=ordered
> The systemd configuration uses PrivateTmp=true, you can override it by
> adding a snippet:
>  /etc/systemd/system/nagios-nrpe-server.service.d/local.conf
> With the following content:
>  [Service]
>  PrivateTmp=false
> See systemd.exec(5) for details about PrivateTmp.

Thanks for the details.

> You have a non-standard setup, hence you need to customize the
> configuration. This is not a bug in nagios-nrpe, so I'm closing this issue.

I disagree. Having a configuration using standard check_disk on any
directory can't be considered as "a non-standard setup" (and especially
when it was working correctly in Debian 8)

Maybe, I'm missing something but there was no "PrivateTmp=true" in
Debian 8 nagios-nrpe-server.
>From what I see, using "PrivateTmp=true" in nagios-nrpe-server is a
*change in behavior from Debian 8 to Debian 9*.

I think, you can't indicate "not found" on this bug report as it can be
easily reproduced, with a standard check_disk configuration.
Don't you think the package upgrade should warn user about this change
when migrating from Debian 8 to Debian 9 ?

*Emmanuel DECAEN*

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