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

[Sebastiaan Couwenberg]

On 05/31/2017 06:11 PM, Emmanuel DECAEN wrote:
> Le 31/05/2017 à 17:04, Bas Couwenberg a écrit :
>> On 2017-05-31 16:52, Jan Wagner wrote:
>>> Am 31.05.17 um 12:06 schrieb Emmanuel DECAEN:
>>>> In nrpe, system wide /var/tmp is no more reachable
>>>> $ grep "/var/tmp" /proc/11489/mountinfo
>>>> 115 113 254:2 / /var/tmp/mysql rw,noatime,nodiratime shared:65
>>>> master:32- xfs /dev/mapper/v1-tmp rw,attr2,inode64,noquota
>>>> 121 113 8:5
>>>> /tmp/systemd-private-b35c254c031041979d3126e02a0c5c51-nagios-nrpe-server.service-7xjqpw/tmp
>>>>
>>>> /var/tmp rw,relatime shared:66 master:28 - ext4 /dev/sda5
>>>> rw,data=ordered
>>> As you traced the problem yourself to nrpe, you might want to reassign
>>> the bug to nagios-nrpe-plugin with appropriate version?
>>
>> If NRPE cannot execute the checkcommand that implies that the nagios
>> user doesn't have the required permissions.
> 
> Command run as nagios user:
> nagios at server:~$ /usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p
> /var/tmp/mysql
> DISK OK - free space: /var/tmp/mysql 10187 MB (99% inode=99%);|
> /var/tmp/mysql=42MB;8184;9207;0;10230

This is what NRPE executes, so this is not a problem in NRPE.

>> The given checkcommand is not part of the default configuration:
>>
>>  /usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /var/tmp/mysql
>>
>> Which suggests that this is a configuration issue to be resolved by
>> the administrator of the system. (e.g use sudo to execute the plugin
>> as a users with the required permissions).
> 
> (It was working before upgrade)
> 
> Using sudo :
> $ sudo -u nagios /usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p
> /var/tmp/mysql
> DISK OK - free space: /var/tmp/mysql 10187 MB (99% inode=99%);|
> /var/tmp/mysql=42MB;8184;9207;0;10230

What is the output of the check_nrpe command when you execute it (as the
nagios user) from the monitoring host?

And what does nagios-nrpe-server log on the system where the check_disk
command you claim fails?

Kind Regards,

Bas

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