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qemu_snapshot: revert: move validation to separate function
Signed-off-by: Pavel Hrdina <phrdina@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
parent
2bbbb201ee
commit
137328747e
@ -1897,6 +1897,49 @@ qemuSnapshotCreateXML(virDomainPtr domain,
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}
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static int
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qemuSnapshotRevertValidate(virDomainObj *vm,
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virDomainMomentObj *snap,
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virDomainSnapshotDef *snapdef,
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unsigned int flags)
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{
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if (!vm->persistent &&
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snapdef->state != VIR_DOMAIN_SNAPSHOT_RUNNING &&
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snapdef->state != VIR_DOMAIN_SNAPSHOT_PAUSED &&
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(flags & (VIR_DOMAIN_SNAPSHOT_REVERT_RUNNING |
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VIR_DOMAIN_SNAPSHOT_REVERT_PAUSED)) == 0) {
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virReportError(VIR_ERR_OPERATION_INVALID, "%s",
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_("transient domain needs to request run or pause to revert to inactive snapshot"));
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return -1;
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}
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if (virDomainSnapshotIsExternal(snap)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("revert to external snapshot not supported yet"));
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return -1;
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}
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if (!snap->def->dom) {
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virReportError(VIR_ERR_SNAPSHOT_REVERT_RISKY,
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_("snapshot '%s' lacks domain '%s' rollback info"),
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snap->def->name, vm->def->name);
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return -1;
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}
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if (!(flags & VIR_DOMAIN_SNAPSHOT_REVERT_FORCE)) {
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if (vm->hasManagedSave &&
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!(snapdef->state == VIR_DOMAIN_SNAPSHOT_RUNNING ||
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snapdef->state == VIR_DOMAIN_SNAPSHOT_PAUSED)) {
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virReportError(VIR_ERR_SNAPSHOT_REVERT_RISKY, "%s",
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_("snapshot without memory state, removal of existing managed saved state strongly recommended to avoid corruption"));
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return -1;
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}
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}
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return 0;
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}
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/* The domain is expected to be locked and inactive. */
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static int
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qemuSnapshotRevertInactive(virQEMUDriver *driver,
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@ -1979,41 +2022,8 @@ qemuSnapshotRevert(virDomainObj *vm,
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goto endjob;
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snapdef = virDomainSnapshotObjGetDef(snap);
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if (!vm->persistent &&
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snapdef->state != VIR_DOMAIN_SNAPSHOT_RUNNING &&
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snapdef->state != VIR_DOMAIN_SNAPSHOT_PAUSED &&
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(flags & (VIR_DOMAIN_SNAPSHOT_REVERT_RUNNING |
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VIR_DOMAIN_SNAPSHOT_REVERT_PAUSED)) == 0) {
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virReportError(VIR_ERR_OPERATION_INVALID, "%s",
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_("transient domain needs to request run or pause "
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"to revert to inactive snapshot"));
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if (qemuSnapshotRevertValidate(vm, snap, snapdef, flags) < 0)
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goto endjob;
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}
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if (virDomainSnapshotIsExternal(snap)) {
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virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
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_("revert to external snapshot not supported yet"));
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goto endjob;
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}
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if (!snap->def->dom) {
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virReportError(VIR_ERR_SNAPSHOT_REVERT_RISKY,
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_("snapshot '%s' lacks domain '%s' rollback info"),
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snap->def->name, vm->def->name);
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goto endjob;
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}
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if (!(flags & VIR_DOMAIN_SNAPSHOT_REVERT_FORCE)) {
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if (vm->hasManagedSave &&
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!(snapdef->state == VIR_DOMAIN_SNAPSHOT_RUNNING ||
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snapdef->state == VIR_DOMAIN_SNAPSHOT_PAUSED)) {
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virReportError(VIR_ERR_SNAPSHOT_REVERT_RISKY, "%s",
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_("snapshot without memory state, removal of "
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"existing managed saved state strongly "
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"recommended to avoid corruption"));
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goto endjob;
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}
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}
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config = virDomainDefCopy(snap->def->dom,
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driver->xmlopt, priv->qemuCaps, true);
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