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Much of the information here has been pulled from this source document: Promethus-aggregation.pdf

Requirements

• Collect hardware, infrastructure (Linux OS), Hypervisor and Kubelet statistics
• Aggregate (&Silencing) them for consumption
  • Via rules
• Provide visualization of statistics
  • At site granularity level
  • At compute node granularity level.
  • Historical level
  • By Applying user defined filters
• Counter collection & aggregation service – Offload collection and aggregation at various levels.
  • At ONAP level
  • At Regional Site level
  • At Edge Site level
• Placement decisions based on HPA resource health/availability.

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For HPA telemetry capture use case, the idea is to create a client to receive alerts from the Alert Manager and update HPA information in A&AI.  See HPA - Telemetry OOF and A&AI

Grafana

Grafana is configured to query data from Prometheus and display information on HPA telemetry.

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