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virt: detect KubeVirt instance

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Kubevirt is currently technically based on KVM (but not xen yet[1]).
The systemd-detect-virt command, used to differentiate the current
virtualization environment, works fine on x86 relying on CPUID, while
fails to get the correct value (none instead of kvm) on aarch64.

Let's fix this by adding a new 'vendor[KubeVirt] = kvm' classification
considering the sys_vendor is always KubeVirt.

[1] https://groups.google.com/g/kubevirt-dev/c/C6cUgzTOsVg

Signed-off-by: Fei Li <lifei.shirley@bytedance.com>
(cherry picked from commit c15d1ac2c4)
(cherry picked from commit e7d635f0b9)
This commit is contained in:
Fei Li 2022-06-17 19:26:28 +08:00 committed by Zbigniew Jędrzejewski-Szmek
parent 62ea1502e0
commit 427995b49b
1 changed files with 1 additions and 0 deletions
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src/basic/virt.c
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@ -155,6 +155,7 @@ static int detect_vm_dmi_vendor(void) {
} dmi_vendor_table[] = {
{ "KVM", VIRTUALIZATION_KVM },
{ "OpenStack", VIRTUALIZATION_KVM }, /* Detect OpenStack instance as KVM in non x86 architecture */
{ "KubeVirt", VIRTUALIZATION_KVM }, /* Detect KubeVirt instance as KVM in non x86 architecture */
{ "Amazon EC2", VIRTUALIZATION_AMAZON },
{ "QEMU", VIRTUALIZATION_QEMU },
{ "VMware", VIRTUALIZATION_VMWARE }, /* https://kb.vmware.com/s/article/1009458 */