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config_tools/upgrader: keep cache allocation policies properly

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The current generic data moving policy in the upgrader do not work well
with complex nodes having multiple-occurred descendants. That causes the
lost of cache allocation policies in scenario XMLs when upgrading a v3.0
scenario XML to the coming v3.1.

This patch adds another generic-purpose mover that simply copies a whole
subtree unchanged.

Most nodes of this kind are handled by special movers as their formats
changed dramatically in v3.0, which is why that issue is not identified
earlier.

Tracked-On: #6690
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
This commit is contained in:
Junjie Mao 2022-08-25 18:46:03 +08:00 committed by acrnsi-robot
parent 79acefaa73
commit 065bcaa2ce
1 changed files with 9 additions and 0 deletions
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9
misc/config_tools/scenario_config/upgrader.py
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@ -660,6 +660,13 @@ class ScenarioUpgrader(ScenarioTransformer):
n.text = "n"
return ret
def move_hierarchy(self, xsd_element_node, xml_parent_node, new_nodes):
element_tag = xsd_element_node.get("name")
for n in self.get_from_old_data(xml_parent_node, f"//{element_tag}"):
new_nodes.append(n)
for child in n.iter():
self.old_data_nodes.discard(child)
def move_data_by_xpath(self, xpath, xsd_element_node, xml_parent_node, new_nodes, scenario_xml_only = False, launch_xml_only = False):
element_tag = xsd_element_node.get("name")
@ -782,6 +789,8 @@ class ScenarioUpgrader(ScenarioTransformer):
"virtio_devices": move_virtio_devices,
"memory": move_memory,
"CACHE_REGION": move_hierarchy,
"default": move_data_by_same_tag,
}