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Puhti and Mahti computing services have been decommissioned. Puhti and Mahti login nodes and storage services will remain available until 15 October 2026, but are no longer covered by service contracts. Please clean up and migrate your data to Roihu ASAP. See Roihu data migration guide for instructions.

Basic level

You need a knowledge of OKD CLI tool oc and kubernetes annotations

Annotations

You can use Kubernetes annotations to attach arbitrary non-identifying metadata to objects. Clients such as tools and libraries can retrieve this metadata. Annotations, like labels, are key/value maps.

Annotations can be added to any object by simply doing:

oc annotate <object_type> <object_name> <key>=<value>

Here are some examples that use annotations: