Learn PowerShell Core 6.0

Configuration data

Configuration data is handled by a module called Datum. In short, Datum provides easy access to a hierarchical data structure. Each layer can inherit from a higher layer, or overwrite settings from a higher layer. At the lowest layer, our DSC nodes, very few adjustments should be necessary.

For more information on Datum, check out Gael's repository at https://github.com/gaelcolas/Datum and his blog post explaining the matter further at https://gaelcolas.com/2018/02/07/composing-dsc-roles.

Combining all layers through different merging rules will result in a Datum structure. You can navigate this structure like any other hash table, but it really shines in configurations, where you can simply look up values based on, for ...