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createServiceOffering - boolean flag indicating if dynamic scale up of CPU/RAM is allowed (see open issue#1)

UI flow

  • UI needs to give an action for upgrading vm (when vm is in running / stopped state) just like we give the same option when vm is stopped.
  • UI needs to call the new api scaleVirtualMachine for this and also keep in mind that this api is async in nature unlike the previous one which was sync. Other than that all the parameters remain the same.

Open Issues

  • Should scale down be allowed? It can be explicitly prevented since none of the HVs/guest OS supports it.
  • There is also an option of having a custom compute offering where user can specify values for CPU and RAM during deployment or scaling up. But am not sure if this option can be misused since this is a user level API. Another complexity is to capture usage. Currently it is done based on compute offering.

Test cases

TBD

Appendix

Appendix A:

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