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qemu: hotplug: Don't try to infer secret object alias/presence 

Now that we remember the alias we've used to attach the secret objects
we should reuse them rather than trying to infer them from the disk
configuration.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2018-05-28 15:15:16 +02:00
parent 7c6b00b8fe
commit dbb4ff0919
1 changed files with 12 additions and 31 deletions
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43
src/qemu/qemu_hotplug.c
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@ -3900,16 +3900,17 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virDomainDiskDefPtr disk)
{
qemuDomainStorageSourcePrivatePtr diskPriv = QEMU_DOMAIN_STORAGE_SOURCE_PRIVATE(disk->src);
virDomainDeviceDef dev;
virObjectEventPtr event;
size_t i;
const char *src = virDomainDiskGetSource(disk);
qemuDomainObjPrivatePtr priv = vm->privateData;
char *drivestr;
char *objAlias = NULL;
char *encAlias = NULL;
bool prManaged = priv->prDaemonRunning;
bool prUsed = false;
const char *authAlias = NULL;
const char *encAlias = NULL;
VIR_DEBUG("Removing disk %s from domain %p %s",
disk->info.alias, vm, vm->def->name);
@ -3919,32 +3920,14 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
if (!(drivestr = qemuAliasFromDisk(disk)))
return -1;
/* Let's look for some markers for a secret object and create an alias
* object to be used to attempt to delete the object that was created.
* We cannot just use the disk private secret info since it would have
* been removed during cleanup of qemuProcessLaunch. Likewise, libvirtd
* restart wouldn't have them, so no assumption can be made. */
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_SECRET) &&
qemuDomainStorageSourceHasAuth(disk->src)) {
if (diskPriv) {
if (diskPriv->secinfo &&
diskPriv->secinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_AES)
authAlias = diskPriv->secinfo->s.aes.alias;
if (!(objAlias =
qemuDomainGetSecretAESAlias(disk->info.alias, false))) {
VIR_FREE(drivestr);
return -1;
}
}
/* Similarly, if this is possible a device using LUKS encryption, we
* can remove the luks object password too
*/
if (qemuDomainDiskHasEncryptionSecret(disk->src)) {
if (!(encAlias =
qemuDomainGetSecretAESAlias(disk->info.alias, true))) {
VIR_FREE(objAlias);
VIR_FREE(drivestr);
return -1;
}
if (diskPriv->encinfo &&
diskPriv->encinfo->type == VIR_DOMAIN_SECRET_INFO_TYPE_AES)
encAlias = diskPriv->encinfo->s.aes.alias;
}
for (i = 0; i < vm->def->ndisks; i++) {
@ -3963,14 +3946,12 @@ qemuDomainRemoveDiskDevice(virQEMUDriverPtr driver,
VIR_FREE(drivestr);
/* If it fails, then so be it - it was a best shot */
if (objAlias)
ignore_value(qemuMonitorDelObject(priv->mon, objAlias));
VIR_FREE(objAlias);
if (authAlias)
ignore_value(qemuMonitorDelObject(priv->mon, authAlias));
/* If it fails, then so be it - it was a best shot */
if (encAlias)
ignore_value(qemuMonitorDelObject(priv->mon, encAlias));
VIR_FREE(encAlias);
/* If it fails, then so be it - it was a best shot */
if (disk->src->pr &&