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Add Helm values presets for SSD-based stress tests

With https://gitlab.cern.ch/cta/operations/-/issues/1716, we will have a nice way to statically provision a Persistent Volume (PV) per SSD. We should add the required values.yaml preset files to make use of this for the stress tests.

For this, we want the following:

  • 1 QuarkDB instance running on an SSD
  • 1 FST running on an SSD
  • The CTA logs being written to an SSD
  • 1 SSD for mhvtl (outside of the values; this is based on how the machine was setup)

The relevant presets can be added under continuousintegration/orchestration/presets.

Note that these specific presets are for the release stress test. If other people want to play around with stress tests, they should be creating their own.