Property Value Substitution

In an environment with multiple IG instances, you can require similar but not identical configurations across the different instances.

Property value substitution enables you to do the following:

  • Define a configuration that is specific to a single instance, for example, setting the location of the keystore on a particular host.

  • Define a configuration whose parameters vary between different environments, for example, the URLs and passwords for test, development, and production environments.

  • Disable certain capabilities on specific nodes.

Property value substitution uses configuration tokens to introduce variables into the server configuration. For information, see "Configuration Tokens".

The substitution follows a process of token resolution, JSON evaluation, and data transformation, as described in the following sections:

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