Diagnosis Service (Diagnosis ControlPlane) in VMware Telco Cloud Automation (TCA) is a Plugin based distributed service that can diagnose any components within TCA.
Currently there are Diagnosis Plugins in TCA for performing:
RAN checklist validation on Cellsite NodePools during pre/post DU deployment.
CaaS Cluster pre/post Upgrade checks.
User can run the Diagnosis pre/post of any operations or to check the operational status of the components.