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feat(instances): snapshot revert runs as a job

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catborise 2026-10-15 09:59:29 +03:00
parent 6f81043438
commit 8d2e88f4bb
7 changed files with 102 additions and 82 deletions
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17
vrtManager/instance.py
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@ -1683,11 +1683,9 @@ class wvmInstance(wvmConnect):
"and the memory if it is saved)"
)
def revert_external_snapshot(self, name):
"""libvirt returns the disks and the definition to the snapshot's. A
disk-only snapshot keeps the VM running, paused or shut off as it is;
a snapshot with memory resumes the VM as it was saved. Returns the
files libvirt left behind (see _left_behind)."""
def check_external_revert(self, name):
"""Refuses a revert that cannot work, before anything changes; returns
the snapshot."""
snap = self._snapshot(name, external=True)
self._check_snapshot_state()
tree = etree.fromstring(snap.getXMLDesc(0))
@ -1701,6 +1699,15 @@ class wvmInstance(wvmConnect):
raise util.OperationError(
"This snapshot was taken by an older version on a UEFI VM and cannot be reverted; delete it instead"
)
return snap
def revert_external_snapshot(self, name):
"""libvirt returns the disks and the definition to the snapshot's. A
disk-only snapshot keeps the VM running, paused or shut off as it is;
a snapshot with memory resumes the VM as it was saved. Returns the
files libvirt left behind (see _left_behind)."""
snap = self.check_external_revert(name)
tree = etree.fromstring(snap.getXMLDesc(0))
if tree.find("memory[@snapshot='external']") is not None:
flags = 0
else: