Tags are short, descriptive, searchable words that can be applied to various MAAS objects, including:

  • machines (physical and virtual)
  • VM hosts
  • controllers (rack and region)
  • storage (virtual and physical; block devices or partitions)
  • network interfaces
  • devices
  • nodes (in the CLI only)

Tags serve to help you identify, group, and find objects easily, especially when you routinely deploy hundreds of machines.

About tags and scripts

As with general tag management, tags make scripts easier to manage; grouping scripts together for commissioning and testing, for example:

maas $PROFILE node-script add-tag $SCRIPT_NAME tag=$TAG
maas $PROFILE node-script remove-tag $SCRIPT_NAME tag=$TAG

MAAS runs all commissioning scripts by default. However, you can select which custom scripts to run during commissioning by name or tag:

maas $PROFILE machine commission \

You can also select which testing scripts to run by name or tag:

maas $PROFILE machine commission \

Any testing scripts tagged with commissioning will also run during commissioning.

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