Special Variables

Table of Contents

Variables are promises that can be defined in any promise bundle. Users can create their own variables.

To see all of the variables defined on a particular host, run

$ cf-promises --show-vars

as a privileged user. See Classes for an explanation of the tags.

CFEngine includes the following special variables:

  • const Variables defined for embedding unprintable values or values with special meanings in strings.

  • edit Variables used to access information about editing promises during their execution.

  • match Variable used in string matching.

  • mon Variables defined in a monitoring context.

  • sys Variables defined in order to automate discovery of system values.

  • def Variables with some default value that can be defined by augments file or in policy.

  • this Variables used to access information about promises during their execution.