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qemu: migration: Use 'VIR_MIGRATE_PARAM_TLS_DESTINATION' for the NBD connection

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The NBD connection for non-shared storage migration can have the same
issue regarding TLS certificate name match as the migration connection
itself.

Propagate the configured name also for the NBD connections.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1901394
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2022-03-10 12:59:30 +01:00
parent e6d1ed4a76
commit e8fa09d66b
3 changed files with 37 additions and 4 deletions
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21
src/qemu/qemu_migration.c
View File

@ -883,7 +883,8 @@ qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(virDomainDiskDef *disk,
const char *host,
int port,
const char *socket,
const char *tlsAlias)
const char *tlsAlias,
const char *tlsHostname)
{
g_autoptr(virStorageSource) copysrc = NULL;
@ -910,6 +911,7 @@ qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(virDomainDiskDef *disk,
}
copysrc->tlsAlias = g_strdup(tlsAlias);
copysrc->tlsHostname = g_strdup(tlsHostname);
copysrc->nodestorage = g_strdup_printf("migration-%s-storage", disk->dst);
copysrc->nodeformat = g_strdup_printf("migration-%s-format", disk->dst);
@ -931,6 +933,7 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriver *driver,
unsigned long long mirror_speed,
unsigned int mirror_shallow,
const char *tlsAlias,
const char *tlsHostname,
bool syncWrites)
{
g_autoptr(qemuBlockStorageSourceAttachData) data = NULL;
@ -940,7 +943,8 @@ qemuMigrationSrcNBDStorageCopyBlockdev(virQEMUDriver *driver,
VIR_DEBUG("starting blockdev mirror for disk=%s to host=%s", disk->dst, host);
if (!(copysrc = qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(disk, host, port, socket, tlsAlias)))
if (!(copysrc = qemuMigrationSrcNBDStorageCopyBlockdevPrepareSource(disk, host, port, socket,
tlsAlias, tlsHostname)))
return -1;
/* Migration via blockdev-mirror was supported sooner than the auto-read-only
@ -1025,6 +1029,7 @@ qemuMigrationSrcNBDStorageCopyOne(virQEMUDriver *driver,
unsigned long long mirror_speed,
bool mirror_shallow,
const char *tlsAlias,
const char *tlsHostname,
unsigned int flags)
{
qemuDomainObjPrivate *priv = vm->privateData;
@ -1065,6 +1070,7 @@ qemuMigrationSrcNBDStorageCopyOne(virQEMUDriver *driver,
mirror_speed,
mirror_shallow,
tlsAlias,
tlsHostname,
syncWrites);
} else {
rc = qemuMigrationSrcNBDStorageCopyDriveMirror(driver, vm, diskAlias,
@ -1114,6 +1120,7 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriver *driver,
const char **migrate_disks,
virConnectPtr dconn,
const char *tlsAlias,
const char *tlsHostname,
const char *nbdURI,
unsigned int flags)
{
@ -1137,6 +1144,11 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriver *driver,
}
mirror_speed <<= 20;
/* If qemu doesn't support overriding of TLS hostname for NBD connections
* we won't attempt it */
if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_BLOCKDEV_NBD_TLS_HOSTNAME))
tlsHostname = NULL;
/* steal NBD port and thus prevent its propagation back to destination */
port = mig->nbd->port;
mig->nbd->port = 0;
@ -1185,7 +1197,7 @@ qemuMigrationSrcNBDStorageCopy(virQEMUDriver *driver,
if (qemuMigrationSrcNBDStorageCopyOne(driver, vm, disk, host, port,
socket,
mirror_speed, mirror_shallow,
tlsAlias, flags) < 0)
tlsAlias, tlsHostname, flags) < 0)
return -1;
if (virDomainObjSave(vm, driver->xmlopt, cfg->stateDir) < 0) {
@ -4138,6 +4150,7 @@ qemuMigrationSrcRun(virQEMUDriver *driver,
if (storageMigration) {
if (mig->nbd) {
const char *host = "";
const char *tlsHostname = qemuMigrationParamsGetTLSHostname(migParams);
if (spec->destType == MIGRATION_DEST_HOST ||
spec->destType == MIGRATION_DEST_CONNECT_HOST) {
@ -4157,7 +4170,7 @@ qemuMigrationSrcRun(virQEMUDriver *driver,
priv->migMaxBandwidth,
nmigrate_disks,
migrate_disks,
dconn, tlsAlias,
dconn, tlsAlias, tlsHostname,
nbdURI, flags) < 0) {
goto error;
}

17
src/qemu/qemu_migration_params.c
View File

@ -1464,3 +1464,20 @@ qemuMigrationCapsGet(virDomainObj *vm,
return enabled;
}
/**
* qemuMigrationParamsGetTLSHostname:
* @migParams: Migration params object
*
* Fetches the value of the QEMU_MIGRATION_PARAM_TLS_HOSTNAME parameter which is
* passed from the user as VIR_MIGRATE_PARAM_TLS_DESTINATION
*/
const char *
qemuMigrationParamsGetTLSHostname(qemuMigrationParams *migParams)
{
if (!migParams->params[QEMU_MIGRATION_PARAM_TLS_HOSTNAME].set)
return NULL;
return migParams->params[QEMU_MIGRATION_PARAM_TLS_HOSTNAME].value.s;
}

3
src/qemu/qemu_migration_params.h
View File

@ -167,3 +167,6 @@ qemuMigrationCapsCheck(virQEMUDriver *driver,
bool
qemuMigrationCapsGet(virDomainObj *vm,
qemuMigrationCapability cap);
const char *
qemuMigrationParamsGetTLSHostname(qemuMigrationParams *migParams);