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fix(instances): a resize keeps a VM's maximum vCPUs above the host's CPUs

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The Resize tab offered vCPU counts only up to the host's logical CPUs.
A VM whose maximum was higher (4 on a 2-CPU host, say) found no option
for it, so the Maximum list showed 1, and a resize of the shut-off VM
lowered its maximum to that without a word.

get_max_cpus() now takes the VM's own maximum as a floor, and the
Instance's vcpu_range passes it. The host's CPU count shown on the page
and used by the clone form is read from the host alone, not from that
range.
This commit is contained in:
catborise 2026-11-03 22:37:51 +03:00
parent 4997950e75
commit 103ce111ef
4 changed files with 21 additions and 6 deletions
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7
vrtManager/instance.py
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@ -779,11 +779,12 @@ class wvmInstance(wvmConnect):
def get_max_memory(self):
return self.host_info[1] * 1048576
def get_max_cpus(self):
"""Get number of physical CPUs."""
def get_max_cpus(self, at_least=0):
"""The vCPU counts to offer: up to the host's logical CPUs, or up to
at_least when that is more (a VM's own maximum, kept by a resize)."""
hostinfo = self.host_info
pcpus = hostinfo[4] * hostinfo[5] * hostinfo[6] * hostinfo[7]
return range(1, int(pcpus + 1))
return range(1, max(int(pcpus), at_least) + 1)
def get_interface_addresses(self, iface_mac):
"""The running VM's addresses of the NIC with iface_mac: (IPv4, IPv6