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feat(instances): a VM's TPM 2.0 is switched on and off on its Options tab

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A VM made without a TPM, a Windows 10 to be upgraded to Windows 11, had
no way to get one but the XML editor. The Options tab has a TPM 2.0
switch, as the RNG one: it adds an emulated TPM of the host's model to
the definition for the next start, or removes it. Its state stays on the
host until the VM is undefined, so a TPM added again has it back. A TPM
the switch did not make (passthrough, 1.2, encrypted, with its own state
path) is left to the XML editor, and a host without swtpm says so.
This commit is contained in:
catborise 2026-11-01 16:38:14 +03:00
parent 2a05576e18
commit e35342bff1
10 changed files with 288 additions and 130 deletions
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15
instances/views.py
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@ -308,6 +308,7 @@ def _instance_page(request, pk, instance, compute):
memory_host = instance.proxy.get_max_memory()
bus_host = instance.proxy.get_disk_bus_types(instance.arch, instance.machine)
cdrom_buses = cdrom_bus_choices(instance)
tpm_support = bool(instance.proxy.get_tpm_model(instance.arch, instance.machine))
networks_host = sorted(instance.proxy.get_networks())
interfaces_host = sorted(instance.proxy.get_ifaces())
nwfilters_host = instance.proxy.get_nwfilters()
@ -1883,6 +1884,20 @@ def set_rng(request, pk):
return _back(request, pk, "options")
@require_POST
@superuser_only
@serialize_instance_mutation
def set_tpm(request, pk):
instance = get_instance(request.user, pk)
enabled = bool(request.POST.get("tpm"))
try:
with audit_vm(request, instance, "add TPM" if enabled else "remove TPM"):
instance.proxy.set_tpm(enabled)
except util.OperationError as err:
messages.error(request, err)
return _back(request, pk, "options")
@require_POST
@superuser_only
@serialize_instance_mutation