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Version: ⭐ 24.10

Using service templates

Definition​

A Template is a pre-configuration of settings of an object that could be used to configure it. The main advantage is to be able to define default values for certain objects to speed up the creation of similar objects.

The advantages are:

  • Simplified element definition
  • No duplication of data
  • Easy addition of new resources
  • Predefined configurations equivalent to a “catalog of indicators”
  • Templates can inherit from other templates.

Services Templates​

Inheritance​

A service or a service template can only inherit from a single service template (parent-child type inheritance).

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Configuration​

To add a Service Template:

Go into the Configuration > Services > Templates menu and click Add.

Refer to the chapter covering configuration of services to configure a template, because the form is identical.

By default, locked service templates are hidden. Check the "Locked elements" box to list all templates.

Best practice​

Explanations​

Good practice requires that services templates be associated with a host's templates: on creation of a host, the services are generated automatically from the host's templates. There are two advantages in linking service templates to host templates:

  • The services generated automatically retain their granularity, i.e., it is possible to change the Attributes of a service without affecting the other services obtained from this template
  • The creation of new hosts is speeded up greatly: simply define the host and the host's templates associated with it

e.g.: We create the srvi-web-01 host according to the template below:

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The host srvi-web-01 will automatically possess the following services:

  • Load, CPU, Memory, disk-/ from service templates linked to the host template “Linux-Server-RedHat-5”
  • Broken-jobs, hit-ratio, tablespaces, listener from service templates linked to the host template “DB-MySQL”
  • Process and connection from service templates linked to the host template “Web-Server-Apache”

When the services of a host are generated from host templates, it is possible that certain services generated are not checked by the monitoring tool. In this case, it is necessary to disable the services that are not used (but not to delete them). In case of deletion of services, regeneration of services of the host from host templates will re-create the deleted services.

Configuration​

The linking of service templates with host templates takes place in the Relations tab of the service templates or host templates.