Nagios 4.0 and NDOUtils

[kazik_k]

I would like to upgrade the Nagios version from 3.5.1 to version 4.0. Currently I use also the mysql database by using ndoutils. My question is whether after the update to version 4.0 nagios will continue to function properly with the database?

best regards

[slansing]

It should still work properly:

http://nagios.sourceforge.net/docs/nagi ... ml#workers

No changes mentioned there have to do with ndo or mysql databases. I would set up a test box to test this first though, instead up upgrading straight to 4.0 on a production server.

[SoulA]

I know at least years conference when they talked about Nagios 4 there was the mention that many of the NEB modules would need to get upgraded to accommodate Nagios 4 and some of the changes to how NEB modules work. There was a branch started for NDO with some changes specifically for Nagios 4 added in but I don't think it was ever officially released:

http://sourceforge.net/p/nagios/ndoutil ... log/?path=

You can try that as well if compiling the 1.5.2 release against the Nagios 4 headers doesn't work. I'm curious how it turns out if you could let us know.

[slansing]

Good idea SoulA,

Once again I can't stress enough to test this in a test environment so if something does go wrong you are not without monitoring. Since you are using several addons that may not play nice from the start.

I know that we have them working fine with Nagios Core 4 in XI for testing, so it should not be that much of a leap.

[SoulA]

Be nice to see ndoutils-2.0 released officially if it is ready for use for the general public since Nagios 4 is out in the wild so people can start using that as well and report issues. Also, if there were changes to how NEB modules work with Nagios 4 I'd imagine that it would be a good idea to include that in the "whats changed in Nagios 4" documentation.

[slansing]

I'm sure it will be added once fully tested, though NDO 2.0 itself is not a feature specific to Core 4.0.

[Stiuzz]

Hi all,
I'm trying to install NDO 1.5 with Nagios 4.0 on a CentOS 6.4 64bit system, I have no error during compilation but if I try to start the module I receive this error:

Oct 10 16:44:27 emcnagios-new nagios: Error: Could not load module '/usr/local/nagios/bin/ndomod.o' -> /usr/local/nagios/bin/ndomod.o: undefined symbol: servicedependency_list
Oct 10 16:44:27 emcnagios-new nagios: Error: Failed to load module '/usr/local/nagios/bin/ndomod.o'.
Oct 10 16:44:27 emcnagios-new nagios: Error: Module loading failed. Aborting.

Do you think I should try with NDO 2.0?

Stiuzz

[abrist]

Do you think I should try with NDO 2.0?

As long as this is on your testing box, yeah, go for it. NDO 2 is probably under tested with core 4 though . . . Don't forget to post the results of your testing here - best of luck!

[Stiuzz]

Hi all,
I downloaded and compiled NDOUtils 2.0, but when I run installdb I receive this error:

[root@emcnagios-new db]# ./installdb -u nagios -p nagios -d nagios
DBD::mysql::db do failed: Table 'nagios.nagios_dbversion' doesn't exist at ./installdb line 51.
** Creating tables for version 2.0.0
Using mysql.sql for installation...
ERROR 1064 (42000) at line 27: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '`instance_id` (`entry_time`)
) ENGINE=MyISAM COMMENT='Current and historical hos' at line 15
Installation from mysql.sql failed at ./installdb line 59.

So I run installdb from version 1.5 and withndomod-4x.o everything seems to run, at the moment I'm in a mixed env with ndomod-4x.o broker and ndo2db-3x daemon but the DB seems correctly popoulated. In the next days I'll hope to have time for more testing. I'll let you know.

Regards
Stiuzz

[abrist]

Great. Thanks for the follow up. Having a mixed broker/backend may lead to db corruption, or maybe not. I do not think it is a tested scenario . . .