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Failed api json format service checks

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Failed api json format service checks

Posted: Wed May 20, 2015 12:42 pm
by bmiadmins
Hello,

First, some details of our install.

XI :

Latest Available Version: 2014R2.7
Installed Version: 2014R2.7
Last Update Check: 2015-05-20 09:20:01


CORE :

Nagios Core 4.0.8
Copyright (c) 2009-present Nagios Core Development Team and Community Contributors
Copyright (c) 1999-2009 Ethan Galstad
Last Modified: 08-12-2014
License: GPL

Foreman Service Check Script Link :

https://github.com/infoxchange/opstools ... foreman.pl


The issue I am seeing is that I can run the command from the cli and all works fine. Meaning, I get content from the foreman api with no errors. However, in order to get this to work I was forced to build a new version of perl which is not in the path of nagios. I set the perl in the script as a work around. Additionally, the command listing nagios calls the correct version of perl with absolute path set. So, what I end getting out of the logs is in the apache error logs, not the nagios.log file. So, I was thinking that this may be caused by how nagios is trying to read in the content. Can some one please give me some ideas where to check?

Thanks,

I was needing to get your help on figuring out

Re: Failed api json format service checks

Posted: Wed May 20, 2015 1:07 pm
by tgriep
Could you show us how you ran the command from the command line and how the check is defined in Nagios XI?
Can you provide the error you are receiving?

Re: Failed api json format service checks

Posted: Wed May 20, 2015 1:17 pm
by bmiadmins
Hello,

CLI :

Code: Select all

/usr/lib64/nagios/plugins/check_foreman.pl -H foreman -k -v -l nagios -a PASSWORD -o 60
The output is what I would expect :

Code: Select all


Connecting to foreman:80
--------------- GET http://foreman:80/api/dashboard?format=json
Authorization: Basic HASH
Host: foreman
User-Agent: libwww-perl/6.13
---------------
HTTP/1.1 200 OK
Cache-Control: must-revalidate, private, max-age=0
Connection: close
Date: Wed, 20 May 2015 18:09:05 GMT
ETag: "STRING"
Server: Apache/2.2.15 (Red Hat)
Content-Type: application/json; charset=utf-8
Apipie-Checksum: STRING
Client-Date: Wed, 20 May 2015 18:09:05 GMT
Client-Peer: 10.50.1.146:80
Client-Response-Num: 1
Client-Transfer-Encoding: chunked
Foreman_api_version: 1
Foreman_version: 1.8.0
Set-Cookie: _session_id=COOKIE; path=/; HttpOnly
Set-Cookie: request_method=; path=/; expires=Thu, 01-Jan-1970 00:00:00 GMT
Status: 200 OK
X-Powered-By: Phusion Passenger 4.0.18
X-Rack-Cache: miss
X-Request-Id: STRING
X-Runtime: 0.814660
X-UA-Compatible: IE=Edge,chrome=1
Content has 354 bytes
{"total_hosts":EDITED}
changed
  http://foreman:80/api/hosts?format=json&per_page=10000&search=last_report+>+"25+minutes+ago"+and+(status.applied+>+0+or+status.restarted+>+0)+and+(status.failed+%3D+0)
--------------- GET http://foreman:80/api/hosts?format=json&per_page=10000&search=last_report+>+"25+minutes+ago"+and+(status.applied+>+0+or+status.restarted+>+0)+and+(status.failed+%3D+0)
Authorization: Basic HASH
Host: foreman
User-Agent: libwww-perl/6.13
---------------
HTTP/1.1 200 OK
Cache-Control: must-revalidate, private, max-age=0
Connection: close
Date: Wed, 20 May 2015 18:09:05 GMT
ETag: "STRING"
Server: Apache/2.2.15 (Red Hat)
Content-Type: application/json; charset=utf-8
Apipie-Checksum: STRING
Client-Date: Wed, 20 May 2015 18:09:06 GMT
Client-Peer: 10.50.1.146:80
Client-Response-Num: 1
Client-Transfer-Encoding: chunked
Foreman_api_version: 1
Foreman_version: 1.8.0
Set-Cookie: _session_id=COOKIE; path=/; HttpOnly
Set-Cookie: request_method=; path=/; expires=Thu, 01-Jan-1970 00:00:00 GMT
Status: 200 OK
X-Powered-By: Phusion Passenger 4.0.18
X-Rack-Cache: miss
X-Request-Id: STRING
X-Runtime: 0.155361
X-UA-Compatible: IE=Edge,chrome=1
[{"host":{"name":"EDIT","id":240,"hostgroup_id":13,"operatingsystem_id":8}},{"host":{"name":"n1xdmgintd02.dev.bmi.org","id":345,"hostgroup_id":18,"operatingsystem_id":4}},{"host":{"name":"EDIT","id":40,"hostgroup_id":24,"operatingsystem_id":7}},{"host":{"name":"EDIT","id":49,"hostgroup_id":33,"operatingsystem_id":7}},{"host":{"name":"n1xsfgt01.bmi.org","id":20,"hostgroup_id":9,"operatingsystem_id":4}},{"host":{"name":"n2xspep01.bmi.org","id":251,"hostgroup_id":null,"operatingsystem_id":4}},{"host":{"name":"EDIT","id":252,"hostgroup_id":null,"operatingsystem_id":4}},{"host":{"name":"naxcuedbt01.rapidcue.com","id":234,"hostgroup_id":13,"operatingsystem_id":7}},{"host":{"name":"naxratp01.bmi.org","id":185,"hostgroup_id":13,"operatingsystem_id":8}}]
out_of_sync
  http://foreman:80/api/hosts?format=json&per_page=10000&search=%28+last_report+<+"60+minutes+ago"+or+not+has+last_report+%29+and+status.enabled+%3D+true

**EDITED**
So, the above shows I am getting content back and its being cleaned up byt the script somewhat.

COMMAND DEFINITION :

Code: Select all

define command {
       command_name                             check_foreman
       command_line                             /usr/local/perls/5_20/bin/perl /usr/lib64/nagios/plugins/check_foreman.pl $HOSTNAME$ $ARG1$
}
SERVICE :

Code: Select all

define service {
	host_name			n2xforemanp01.bmi.org
	service_description		check_foreman
	use				generic-service
	display_name			check_foreman
	check_command			check_foreman! -l nagios -a _Prq-PrRWxJZbv7PyD6v -G unmanaged -o 60!!!!!!!
	process_perf_data		1
	retain_status_information	1
	retain_nonstatus_information	1
	register			1
	}
The only error I am seeing at this time is the following :

Code: Select all

malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "<!DOCTYPE HTML PUBLI...") at /usr/lib64/nagios/plugins/check_foreman.pl line 270.
malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "<!DOCTYPE HTML PUBLI...") at /usr/lib64/nagios/plugins/check_foreman.pl line 270.
malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "<!DOCTYPE HTML PUBLI...") at /usr/lib64/nagios/plugins/check_foreman.pl line 270.
malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "<!DOCTYPE HTML PUBLI...") at /usr/lib64/nagios/plugins/check_foreman.pl line 270.

And from the nagios.log :

Code: Select all

[1432145817] Warning: Return code of 255 for check of service 'check_foreman' on host 'foreman.bmi.org' was out of bounds.
The above error is only showing up when nagios calls it. I am a bit lost.

Re: Failed api json format service checks

Posted: Wed May 20, 2015 4:43 pm
by tmcdonald
I think you set up your command incorrectly:

Code: Select all

Command definition:

/usr/local/perls/5_20/bin/perl /usr/lib64/nagios/plugins/check_foreman.pl $HOSTNAME$ $ARG1$


With ARG1 substituted in:

/usr/local/perls/5_20/bin/perl /usr/lib64/nagios/plugins/check_foreman.pl $HOSTNAME$ -l nagios -a _Prq-PrRWxJZbv7PyD6v -G unmanaged -o 60


Intended CLI command:

/usr/lib64/nagios/plugins/check_foreman.pl -H foreman -k -v -l nagios -a PASSWORD -o 60
You can see you are missing the "/usr/local/perls/5_20/bin/perl" prefix when run from the CLI, and that different arguments are being passed to the perl script than what you demonstrated from the CLI.

And bear in mind, the $HOSTNAME$ macro will grab host_name, which appears to be "n2xforemanp01.bmi.org" from your service definition, not "foreman" as in your CLI example.

Re: Failed api json format service checks

Posted: Wed May 20, 2015 4:54 pm
by Box293
To add to tmcdonald's post, you should define the command as follows:

Code: Select all

define command {
       command_name                             check_foreman
       command_line                             /usr/lib64/nagios/plugins/check_foreman.pl -H $HOSTNAME$ $ARG1$
}

In your service definition I don't know why "-G unmanaged" is required as it is not in your test command.

Re: Failed api json format service checks

Posted: Wed Jun 10, 2015 11:25 am
by bmiadmins
Hello,

Sorry it took me so long to reply. This issue is now fixed.

I ended up using the below :

/usr/local/perls/5_20/bin/perl $USER1$/check_foreman.pl -H $ARG4$ $ARG1$ $ARG2$ $ARG3$.
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