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fix(instances): a new VM's CPU is a mode or a model the host offers, checked by libvirt

- A named CPU model is written without check='none' and with
  fallback='forbid': libvirt checks before the start that the host runs
  it, and it is not swapped for another model.
- Mode maximum is written as that mode; it was written as a model named
  maximum.
- Model names up to 64 characters: the -noTSX and -IBRS models, the ones a
  mixed set of hosts needs, were refused at 20.
- The mode or model is checked against the host's capabilities when the VM
  is defined, from the page and the API alike; no CPU element (QEMU's
  oldest default CPU) is no longer offered.
- The default CPU mode setting offers the modes the new VM dialog has;
  no-model and custom, which matched none of them, become host-model.
This commit is contained in:
catborise 2026-10-29 10:50:20 +03:00
parent 2a773f6ec0
commit 2e1f29961c
15 changed files with 139 additions and 19 deletions

View file

@ -67,7 +67,6 @@ class NewVMForm(forms.ModelForm):
# name = forms.CharField(error_messages={'required': _('No Virtual Machine name has been entered')}, max_length=64)
# firmware = forms.CharField(max_length=50, required=False)
# vcpu = forms.IntegerField(error_messages={'required': _('No VCPU has been entered')})
# vcpu_mode = forms.CharField(max_length=20, required=False)
# disk = forms.IntegerField(required=False)
# memory = forms.IntegerField(error_messages={'required': _('No RAM size has been entered')})
# networks = forms.CharField(error_messages={'required': _('No Network pool has been choosen')})