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03-Configuration.md

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Configuration

Basics

Open up the Icinga Web 2 frontend and navigate to:

Configuration > Modules > graphite > Backend

Enter the Graphite Web URL. (e.g. https://192.0.2.42:8003/)

The HTTP basic authentication credentials are only required if your Graphite Web is protected by such a mechanism.

Advanced

Open up the Icinga Web 2 frontend and navigate to:

Configuration > Modules > graphite > Advanced

UI

The settings Default time range and Default time range unit set the default time range for displayed graphs both in the graphs lists and in monitored objects' detail views.

If you'd like to suppress the No graphs found messages, check Disable "no graphs found". (This may cause unexpected blank pages in the graphs lists.)

Icinga 2 (Core)

The settings Host name template and Service name template both are only required if you are using a different naming schema than the default Icinga 2 is using. (As outlined here)

The setting Obscured check command custom variable is only required if there are wrapped check commands (see below) and the "actual" check command is stored in another custom variable than check_command.

Wrapped check commands

If a monitored object is checked remotely and not via an Icinga 2 agent, but e.g. by check_by_ssh or check_nrpe, the monitored object's effective check command becomes by_ssh or nrpe respectively. This breaks the respective monitored objects' graphs as graph templates are applied to monitored objects via their check commands. (They fall back to the default template.)

To make the respective graphs working as expected you have to tell the monitored object's "actual" check command by setting its custom variable check_command, e.g.:

apply Service "by_ssh-disk" {
  import "generic-service"
  check_command = "by_ssh"
  vars.by_ssh_address = "192.0.2.1"
  vars.by_ssh_command = "/usr/lib64/nagios/plugins/check_disk -w 20 -c 10"
  vars.check_command = "disk"    // <= HERE
  assign where host.name == NodeName
}