ch_platform: Fix hypervisor setting

Libvirt versions greater than 10.2.0, define domain as 'hyperv' or 'kvm'
based on the underlying hypervisor. Set this domain appropriately in
domain's XML after checking libvirt version.

Signed-off-by: Praveen K Paladugu <[email protected]>

lisa/sut_orchestrator/libvirt/ch_platform.py

@@ -8,6 +8,8 @@
 from pathlib import Path
 from typing import List, Type
 
+from packaging.version import parse
+
 from lisa import schema
 from lisa.environment import Environment
 from lisa.feature import Feature
@@ -18,7 +20,8 @@
     get_node_context,
 )
 from lisa.sut_orchestrator.libvirt.platform import BaseLibvirtPlatform
-from lisa.tools import QemuImg
+from lisa.tools import Ls, QemuImg
+from lisa.util import LisaException
 from lisa.util.logger import Logger, filter_ansi_escape
 
 from .. import CLOUD_HYPERVISOR
@@ -101,7 +104,21 @@ def _create_node_domain_xml(
         node_context = get_node_context(node)
 
         domain = ET.Element("domain")
-        domain.attrib["type"] = "ch"
+
+        libvirt_version = self._get_libvirt_version()
+        if parse(libvirt_version) > parse("10.0.2"):
+            if self.host_node.tools[Ls].path_exists("/dev/mshv", sudo=True):
+                domain.attrib["type"] = "hyperv"
+            elif self.host_node.tools[Ls].path_exists("/dev/kvm", sudo=True):
+                domain.attrib["type"] = "kvm"
+            else:
+                raise LisaException(
+                    "kvm, mshv are the only supported \
+                                    hypervsiors. Both are missing on the host"
+                )
+
+        else:
+            domain.attrib["type"] = "ch"
 
         name = ET.SubElement(domain, "name")
         name.text = node_context.vm_name