Help please - test works fine EXCEPT over NRPE???
Lei Chen
cloved at gmail.com
Thu Apr 2 09:52:21 CEST 2009
use visudo command, comment the following line:
Defaults requiretty
and try again.
2009/4/2 Andrew Davis <nccomp at gmail.com>:
> Its running under xinetd, so 'ps aux|grep nrpe' isn't showing the true user.
> However, the nrpe.cfg is set to use the nobody user. I've added the nobody
> user to sudo, and even tried it as the nagios user. What I see now from the
> server is:
>
> /usr/local/nagios/libexec/check_nrpe -H atum -c check_logs
> CHECK_NRPE: Socket timeout after 10 seconds.
>
> And in the messages file on the client:
>
> Apr 1 22:54:25 atum nrpe[25661]: Running command: /usr/bin/sudo
> /usr/local/nagios/libexec/check_logs.pl -c /etc/nagios/check_logs_linux.cfg
> Apr 1 22:54:25 atum /usr/bin/sudo: nobody : TTY=unknown ; PWD=/ ;
> USER=root ; COMMAND=/usr/local/nagios/libexec/check_logs.pl -c
> /etc/nagios/check_logs_linux.cfg
>
> A. Davis
> Email: nccomp at gmail.com
>
> "There is no limit to what a man can accomplish
> if he doesn't care who gets the credit." - Ronald Reagan
>
>
> John Stile wrote:
>
> On the client, if you look at 'ps aux |grep nrpe'
> what user does nrpe run as?
>
> You might have to configure sudo to allow that user to run the plugin.
>
>
> On Wed, 2009-04-01 at 18:27 -0400, Andrew Davis wrote:
>
>
> I setup the
> "check_logs.pl"
> (http://www.nagiosexchange.org/cgi-bin/page.cgi?g=Detailed%2F1752.html;d=1)
> test and its config file on some local Linux servers tested via NRPE. All
> other NRPE tests work fine (including some custom ones). The check_logs.pl
> works fine locally, but fails over NRPE. I've enabled debugging in NRPE, but
> its not telling me much more...
>
> Client local test:
>
> atum:/etc/init.d # /usr/local/nagios/libexec/check_logs.pl
> -c /etc/nagios/check_logs_linux.cfg
> faillog => OK; lastlog => OK; messages => OK; wtmp => OK;
>
> Server test to client via NRPE:
>
> /usr/local/nagios/libexec/check_nrpe -H atum -c check_logs
> CHECK_NRPE: No output returned from daemon.
>
> Local log (/var/log/messages) on client when test is run from server:
>
> Apr 1 18:05:52 atum nrpe[1412]: Added
> command[check_logs]=/usr/local/nagios/libexec/check_logs.pl
> -c /etc/nagios/check_logs_linux.cfg
> Apr 1 18:05:52 atum nrpe[1412]: INFO: SSL/TLS initialized.
> All network traffic will be encrypted.
> Apr 1 18:05:52 atum nrpe[1412]: Handling the connection...
> Apr 1 18:05:52 atum nrpe[1412]: Host is asking for command
> 'check_logs' to be run...
> Apr 1 18:05:52 atum nrpe[1412]: Running
> command: /usr/local/nagios/libexec/check_logs.pl
> -c /etc/nagios/check_logs_linux.cfg
> Apr 1 18:05:52 atum nrpe[1412]: Command completed with return
> code 0 and output:
> Apr 1 18:05:52 atum nrpe[1412]: Return Code: 0, Output:
>
> The response is immediate, so its not a timeout issue. Other NRPE
> tests work fine:
>
> /usr/local/nagios/libexec/check_nrpe -H atum -c check_load
> OK - load average: 0.00, 0.00, 0.00|
> load1=0.000;5.000;10.000;0; load5=0.000;5.000;10.000;0;
> load15=0.000;5.000;10.000;0;
> /usr/local/nagios/libexec/check_nrpe -H atum -c check_memory
> CHECK_MEMORY OK - 1702M free |
> free=1785552896b;210236620.8:;105118310.4:
>
> And on the client:
>
> Apr 1 18:09:25 atum nrpe[1799]: INFO: SSL/TLS initialized.
> All network traffic will be encrypted.
> Apr 1 18:09:25 atum nrpe[1799]: Handling the connection...
> Apr 1 18:09:25 atum nrpe[1799]: Host is asking for command
> 'check_load' to be run...
> Apr 1 18:09:25 atum nrpe[1799]: Running
> command: /usr/local/nagios/libexec/check_load -r -w 5.0 -c
> 10.0
> Apr 1 18:09:25 atum nrpe[1799]: Command completed with return
> code 0 and output: OK - load average: 0.00, 0.00, 0.00|
> load1=0.000;5.000;10.000;0; load5=0.000;5.000;10.000;0;
> load15=0.000;5.000;10.000;0;
> Apr 1 18:09:25 atum nrpe[1799]: Return Code: 0, Output: OK -
> load average: 0.00, 0.00, 0.00|load1=0.000;5.000;10.000;0;
> load5=0.000;5.000;10.000;0; load15=0.000;5.000;10.000;0;
> Apr 1 18:09:26 atum nrpe[1802]: INFO: SSL/TLS initialized.
> All network traffic will be encrypted.
> Apr 1 18:09:26 atum nrpe[1802]: Handling the connection...
> Apr 1 18:09:26 atum nrpe[1802]: Host is asking for command
> 'check_memory' to be run...
> Apr 1 18:09:26 atum nrpe[1802]: Running
> command: /usr/local/nagios/libexec/check_memory.pl -w 10% -c
> 5%
> Apr 1 18:09:26 atum nrpe[1802]: Command completed with return
> code 0 and output: CHECK_MEMORY OK - 1703M free |
> free=1786134528b;210236620.8:;105118310.4:
> Apr 1 18:09:26 atum nrpe[1802]: Return Code: 0, Output:
> CHECK_MEMORY OK - 1703M free |
> free=1786134528b;210236620.8:;105118310.4:
>
> Here's the local command in my /etc/nagios/nrpe.cfg:
>
> command[check_logs]=/usr/local/nagios/libexec/check_logs.pl
> -c /etc/nagios/check_logs_linux.cfg
>
> And on the server (when done in services.cfg, though its failing with
> manual tests too):
>
> define service {
> hostgroup_name linux-servers
> service_description LOGS
> check_command check_nrpe!check_logs
> max_check_attempts 3
> normal_check_interval 15
> retry_check_interval 5
> check_period 24x7
> notification_interval 120
> notification_period 24x7
> notification_options w, u, c, r, f, s
> contact_groups unixadmins
> }
>
>
> Considering it fails with a manual test (command line), I doubt its my
> services.cfg entry. It runs fine when called locally, so I'm thinking
> it could be an issue on the client in the nrpe.cfg, but if so I can't
> find it...
>
> I *do* see the obvious... namely, the other two tests that run over
> NRPE have something after "Output:" and the check_logs.pl does not.
> However, called at the command line it does... which is what stumps
> me.
>
> What would cause the test to run fine locally, but return nothing when
> called via NRPE??? (BTW: I'm running 3.x with the latest set of
> plugins and NRPE).
>
> One more thing: I know *someone* is going to ask why I don't just use
> the built-in check_log test. The answer is that check_logs.pl allows
> for multiple files and pattern matches and a "seek" file to speed
> things up.
> --
>
>
> A. Davis
> Email: nccomp at gmail.com
>
> "There is no limit to what a man can accomplish
> if he doesn't care who gets the credit." - Ronald Reagan
> ------------------------------------------------------------------------------
> _______________________________________________
> Nagios-users mailing list
> Nagios-users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/nagios-users
> ::: Please include Nagios version, plugin version (-v) and OS when reporting
> any issue.
> ::: Messages without supporting info will risk being sent to /dev/null
>
>
>
>
> ------------------------------------------------------------------------------
>
> _______________________________________________
> Nagios-users mailing list
> Nagios-users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/nagios-users
> ::: Please include Nagios version, plugin version (-v) and OS when reporting
> any issue.
> ::: Messages without supporting info will risk being sent to /dev/null
>
--
Thanks,
Chenlei & 石头++
MSN Messenger: chnl at 163.com
------------------------------------------------------------------------------
_______________________________________________
Nagios-users mailing list
Nagios-users at lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting any issue.
::: Messages without supporting info will risk being sent to /dev/null
More information about the Users
mailing list