Nagios xi problems

SDohmen · Post by **SDohmen** » Wed Oct 26, 2011 11:32 am

As some might have noticed the nrdp problem is solved. See the solution for that in that post.

The problem above isn't solved though. As described i can see the hosts now after reloading but i am experiencing a other strange problem. When i press the apply configuration i get a configuration error. When i click the button to view it, the view of that error isn't there. When i use the tools to write/restart evertyhing works fine.

Is there something we might have changed so the apply configuration isn't working anymore?

Post by **nscott** » Wed Oct 26, 2011 11:58 am

Does it timeout when doing the apply config?

Can you send us the output log from this (we need this for the current state)

Code: Select all

/usr/local/nagiosxi/scripts/reconfigure_nagios.sh > new_output.log

SDohmen · Post by **SDohmen** » Thu Oct 27, 2011 8:01 am

It does not timeout while i apply the configuration. What i do notice is that it doesn't create a problem log either.

The output of the command you asked is:

Code: Select all

URL: http://localhost/nagiosql/index.php
CMDLINE
/usr/bin/wget --save-cookies nagiosql.cookies --keep-session-cookies http://localhost/nagiosql/index.php --no-check-certificate --post-data 'Submit=Login&tfUsername=nagiosxi&tfPassword=*' -O nagiosql.loginNAGIOSQL LOGIN FAILED!
~

I checked to see if i had a nagiosxi user but i dont have that. Because of this i am guessing it wants to connect to it but it cant for some reason.

mguthrie · Post by **mguthrie** » Thu Oct 27, 2011 10:37 am

Can you check to see if you have a nagiosxi user in the Core Config Manager. Access the Configure->Core Config Manager->Config Manager Admin->Manage Config Access page and check to see if you have a nagiosxi user account.

If you do, access the Admin->Reset Security Credentials to update the subsystem credentials.

If that still fails when you run the reconfigure_nagios.sh script, send us the output from:

Code: Select all

cd /usr/local/nagiosxi/scripts
./reconfigure_nagios.sh &> output.txt

So we can see both STDOUT and STDERR

SDohmen · Post by **SDohmen** » Thu Oct 27, 2011 1:19 pm

I checked to see if there was a nagioxi user in the core manager and it is there. After that i resetted the security credentails again as requested and did the command you posted. The output is as follows:

Code: Select all

URL: http://localhost/nagiosql/index.php
CMDLINE
/usr/bin/wget --save-cookies nagiosql.cookies --keep-session-cookies http://localhost/nagiosql/index.php --no-check-certificate --post-data 'Submit=Login&tfUsername=nagiosxi&tfPassword=*' -O nagiosql.login--2011-10-27 20:16:56--  http://localhost/nagiosql/index.php
Resolving localhost... ::1, 127.0.0.1
Connecting to localhost|::1|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://central.o4s.nl/nagiosql/index.php [following]
--2011-10-27 20:16:56--  https://central.o4s.nl/nagiosql/index.php
Resolving central.o4s.nl... 172.16.21.7
Connecting to central.o4s.nl|172.16.21.7|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 5259 (5.1K) [text/html]
Saving to: ânagiosql.loginâ

     0K .....                                                 100% 25.5M=0s

2011-10-27 20:16:56 (25.5 MB/s) - ânagiosql.loginâ

NAGIOSQL LOGIN FAILED!

Seeing this i might think the ssl is causing this problem because it gets forced. I am going to try and see if i can put the nagiosql dir in the http section only and if it works then.

SDohmen · Post by **SDohmen** » Thu Oct 27, 2011 1:35 pm

OK, i got some more info.

First i did put the following code in the HTTP section of the httpd config file:

Code: Select all

        <Directory "/var/www/html/nagiosql">
           Options None
           AllowOverride None
           Order allow,deny
           Allow from all
        </Directory>

In the same section i disabled the rewrite engine to make sure HTTP wasn't relayed to SSL. Now when i do the apply configuration it works.

Because it works i decided to try to enable the rewrite engine again so only SSL was accessible. As soon as i reloaded i tried to apply the configuration and it was busted again.

So i know the problem lies in the part where SSL gets forced by the rewrite engine. The problem here is that i cant have HTTP accessible. Tomorrow i will ask my co-worker if he can disable HTTP access from the firewall and i hope NRDP still works then. If it does i can just disable the rewrite engine and i am done. But my best guess is that NRDP needs http access somehow to make contact and then send the details on the SSL connection. If this last part is true i need to find a way to keep that nagiosql dir in the HTTP section or there has to be a way that it interacts with the HTTPS part.

SDohmen · Post by **SDohmen** » Thu Oct 27, 2011 2:24 pm

I noticed something else which is strange but i am not sure if its related to this or to NRDP.

As i described before we have a distributed monitoring system with the Nagiosxi as main central and the Nagios Core version as sending system.

Because we have lots of customers i decided that each customer gets there own NRDP token just for safety. I have added about 10 customers now and it seems the NRDP results arent accepted/being send.

This afternoon i had a customer which had the same problem but when i checked about half hour ago i noticed that there where results there but only from 1 accepted connection. The strange thing is that the

My best guess is that either i have too many tokens and because of this it only accepts it once every couple hours or there are so many results the recieving buffer is clogging up.

I tried using the same token twice but this also didn't solve it so somewhere the buffer is full or something.

mguthrie · Post by **mguthrie** » Thu Oct 27, 2011 3:33 pm

You've got two completely separate issues here, please repost the NRDP issue to a separate thread.

See our documentation on how to set up SSL with Nagios xi
http://library.nagios.com/library/produ ... -nagios-xi

You're missing the:

Code: Select all

$cfg['use_https']=true;

in the /usr/local/nagiosxi/html/config.inc.php file.

SDohmen · Post by **SDohmen** » Fri Oct 28, 2011 6:56 am

The 2 posts from above are posted in the NRDP topic i have.

Regarding the apply configuration issue. It seems while i was creating the httpd config file, i accidently used the virtualhost part from the HTTP section and not the SSL version as described in the link.

For now i can apply the configuration again.

I am getting there with the issues for now

mguthrie · Post by **mguthrie** » Fri Oct 28, 2011 9:31 am

OK, thanks for the update

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