If neither disks nor memory are selected for snapshot we'd record
metadata in case of external snapshot and do a disk snapshot in case of
external disk snapshot. Forbid this as it doesn't make much sense.
---
Notes:
There's a slightly usable case where this would be used to backup domain's config.
src/qemu/qemu_driver.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index e6b6648..6442b3f 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -12703,6 +12703,13 @@ qemuDomainSnapshotPrepare(virConnectPtr conn,
}
}
+ if (!found_internal && !external &&
+ def->memory == VIR_DOMAIN_SNAPSHOT_LOCATION_NONE) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("nothing selected for snapshot"));
+ goto cleanup;
+ }
+
/* internal snapshot requires a disk image to store the memory image to and
* also disks can't be excluded from a internal snapshot*/
if ((def->memory == VIR_DOMAIN_SNAPSHOT_LOCATION_INTERNAL && !found_internal) ||
--
1.9.3
--
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