[dev.icinga.com #12928] service cluster checking in director

[icinga-migration]

This issue has been migrated from Redmine: https://dev.icinga.com/issues/12928

Created by swizzly on 2016-10-14 14:46:24 +00:00

Assignee: (none)
Status: Resolved (closed on 2016-10-14 19:29:50 +00:00)
Target Version: (none)
Last Update: 2016-10-17 14:35:20 +00:00 (in Redmine)

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Hi

Is it possible to do something like this: http://docs.icinga.org/icinga2/snapshot/search?q=cluster\#!/icinga2/snapshot/doc/module/icinga2/chapter/advanced-topics?highlight-search=cluster#access-object-attributes-at-runtime in Director? I mean I would like to have the code that checks the Cluster health inside Director, and don't want to bother writing external config files for Icinga2.

cheers,
Zoltan

Attachments

• 02_clustercheck_arg_state.png tgelf - 2016-10-14 19:28:01 +00:00
• 01_clustercheck_command.png tgelf - 2016-10-14 19:28:01 +00:00
• 03_clustercheck_arg_text.png tgelf - 2016-10-14 19:28:01 +00:00
• 04_clustercheck_datafield.png tgelf - 2016-10-14 19:28:01 +00:00
• 05_clustercheck_servicetemplate_field.png tgelf - 2016-10-14 19:28:02 +00:00
• 06__clustercheck_service_definition.png tgelf - 2016-10-14 19:28:02 +00:00
• 07_clustercheck_status.png tgelf - 2016-10-14 19:28:02 +00:00

[icinga-migration]

Updated by tgelf on 2016-10-14 19:29:50 +00:00

• File added 01_clustercheck_command.png
• File added 02_clustercheck_arg_state.png
• File added 03_clustercheck_arg_text.png
• File added 04_clustercheck_datafield.png
• File added 05_clustercheck_servicetemplate_field.png
• File added 06__clustercheck_service_definition.png
• File added 07_clustercheck_status.png
• Status changed from New to Resolved

Hi Zoltan,

this is absolutely possible. You are currently not allowed to write DSL to a Custom Variable, but it is perfectly legal to write them to a command argument. check_dummy is special as it's arguments are positional, but with an implicit skip_key (leaving the argument name empty) this is perfectly possible. Please find some screenshots attached, they show how it works (code is copied 1:1 from the link you provided):

Cheers,
Thomas

[icinga-migration]

Updated by swizzly on 2016-10-17 14:35:20 +00:00

Hi Thomas,

Many thanks, it works great.
I hope you don't mind, I adapted it to check clustered services on the same host. I share it for the case someone else would also need it.

The first argument of the command should look like this:

var up_count  = 0
var down_count = 0
var cluster_services = macro("$cluster_services$")
var hostname = macro("$host.name$")

for (service in cluster_services){
  if (get_service(hostname, service).state > 0){
    down_count += 1
  } else {
    up_count += 1
  }
}

if(up_count > down_count){
  return 0
} else {
  return 2
}

The second parameter should be changed to this:

var output = "Cluster services:\n"
var cluster_services = macro("$cluster_services$")
var hostname=macro("$host.name$")

for (service in cluster_services) {
  output += service + ":" + get_service(hostname, service).last_check_result.output + "\n"
}
return output

And of course accordingly the data fields name should be changed to "cluster_services" too.

Many thanks,
Zoltan