schubergphilis/nagios

Development repository for Chef Nagios cookbook

Sander Botman

@sbotman

Well, nagios doesn't start if contacts don't have any email, so that's why I skip them.

Will need to look at the doc's again to understand this better.. will see if I have some time for this tomorrow.

The definitions are pushing all the objects to the memory model: Nagios.instance If you debug the chef-run with pry require 'pry';binding.pry you should be able to look at all the objects within the memory when you dump Nagios.instance.contacts for example.

At the last part the templates are writing all the objects to disk by calling the definition method

Sander Botman

@sbotman

Thanks for the tip @Maigard, I was thinking to make a push method within the base which prints debug information like : pushing the #{key} into the object #{self.class} is not supported. Then it just skips them with some output why..

Objects that do support the push method will overwrite it with the proper code accordingly

Ken Schmidt

@Maigard

Yeah, I like that. If you are making the assumption that all inherited classes are going to have the function, you can just make the guarantee that it will be there that way. Plus, the conditional line is getting long, and you wouldn't want to tempt the rubocop. :smile:

Ilja Krauchanka

@ikrauchanka

Hello guys,I cannot get one thing - why service definition appears in templates.cfg and how to move it to right direction -> servvices.cfg.

Service definition I took from wiki.

- update content in file /etc/nagios/conf.d/templates.cfg from 63f798 to 8cba53
    --- /etc/nagios/conf.d/templates.cfg    2015-11-16 10:39:36.261057411 -0500
    +++ /tmp/chef-rendered-template20151116-26917-wtvl6i    2015-11-16 10:40:00.724595242 -0500
    @@ -516,5 +516,18 @@
       register                      0
     }

    +define service {
    +  name                    wefwefwef-service
    +  service_description     wefwefwef-service
    +  check_command           wefwefwef-service
    +  active_checks_enabled   1
    +  passive_checks_enabled  1
    +  obsess_over_service     1
    +  check_freshness         0
    +  event_handler_enabled   1
    +  notifications_enabled   1
    +  parallelize_check       1
    +  register                0
    +}

Deepak Kosaraju

@kkdk5535

@ikrauchanka This is not service defintion as you mentioned register as 0

normally u don’t specify register as 0 for service defintion in nagios, we only do that for templates in best world of nagios implementation

Sander Botman

@sbotman

Remove the name. When specifying name it will register as template.

Ilja Krauchanka

@ikrauchanka

@sbotman aha, so then we should remove 'name ' from https://github.com/schubergphilis/nagios/wiki/services.cfg ?

Sander Botman

@sbotman

done

Ilja Krauchanka

@ikrauchanka

Guys, another question, sorry if it is a stupid one.
I have nagios config file with about 100 definitions for services. It looks like:

define service{
        use                             fine-vone-service
        host_name                                    fine-services-web
    service_description             API authenticaion for 192.168.220.244
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              3
        normal_check_interval           10
        retry_check_interval            2
        notification_interval           20
        notification_period             24x7
        check_command                   check_fine_login!192.168.220.244
        }
define service{
        use                             fiine-vone-service
        host_name                                    fine-services-web
        service_description             API authentication for 192.168.220.245
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              3
        normal_check_interval           10
        retry_check_interval            2
        notification_interval           20
        notification_period             24x7
        check_command                   check_fine_login!192.168.220.245
        }

I've already prepared them for nagios_service definitions, by converting into hashes. From the link above, service should be defined like:

nagios_service 'default-service' do

What I should pass into nagios_service instead of 'default-service' ?
As you can see I do not have names in my current nagios configs.
Thanks!

Sander Botman

@sbotman

You pass the service_description

Ilja Krauchanka

@ikrauchanka

but descriptions is ugly, they are with '/' , ' ', and even may be with '%' and no guarantee that somebody in the future will not use these characters :(

actually I already did service_description with another two cfg files,but decided ask you about to find better way.

Ilja Krauchanka

@ikrauchanka

solved in im:
A:
Well.. calling nagios_service "bla" do within a recipe, sets bla as the service_description in the object..
Q:
can I call nagios_service without "bla" ?
A:
no... objects should have a name to store them in the model
Q:
and the name I should take from service_description from nagios configs?
A:
yes

Sander Botman

@sbotman

:thumbsup:

Sander Botman

@sbotman

@joshskains on what platform are you installing?

Ken Schmidt

@Maigard

@sbotman I am around, but I am at a conference this week, so my access is spotty.

Sander Botman

@sbotman

Oke, wanted to chat about the last branch...

Ken Schmidt

@Maigard

ok.

Sander Botman

@sbotman

I looked at it and did some testing... with the pop method, do you want to remove the 'item' at all?

Or was it used for the null option to clear-out settings....

Ken Schmidt

@Maigard

I was wondering about that. I left the item there with the ussumption that without a connection to something else, it wouldn't be rendered

Sander Botman

@sbotman

Well, I already added the delete method on the Nagios.instance in the past, but that didnt remove the relations that were made within the model, so deleting a host would not delete the host in the host-group what it was a member of.

Guess we need to have a chat about this to fully explorer all the problems...when are you available on stable internet connection and out of the conference?

Ken Schmidt

@Maigard

I was trying to think of a way to remove an item if it was no longer connected to something, but couldn't come up with a good way to do it. Then decided that if an object didn't make sense anymore, it would rely on your checks to not actually put it in the config.

I won't be back until Saturday.

Sander Botman

@sbotman

Well, I will have until saturday then to write-up some tests and explorer your code...

Ken Schmidt

@Maigard

Ha, I guess so. :smile:

Sander Botman

@sbotman

I already created a new branch, with the same name and fixed the merge conflict and made some changes..

It based of your code, so merging this will also merge yours...

Ken Schmidt

@Maigard

Ok, I will keep an eye on it occasionally during the conference.

Are you going to do a release in the meantime?

Sander Botman

@sbotman

I was thinking of doing that yes...

Ken Schmidt

@Maigard

ok.

Sander Botman

@sbotman

and leave this open for the next release..

Ken Schmidt

@Maigard

That sounds good.

Sander Botman

@sbotman

oke...

Thanks for your time..

Lets chat next week...

Ken Schmidt

@Maigard

thanks for looking at it.

Ilja Krauchanka

@ikrauchanka

guys, how I can include configs with legacy hosts/services which I prefer do not convert into chef cookbook?

Sander Botman

@sbotman

you mean that you have old config that you want to load that are not part of the generated templates?

Ilja Krauchanka

@ikrauchanka

yes

configs were populated in chaotic type, and I do not possibilities and time on converting them into chef definitions. So I decided just merge them into one file and include the file from nagios cookbook generated configs.

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