mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2025-03-20 07:59:00 +00:00
qemu: Move internals of Confirm phase to qemu_migration.c
This commit is contained in:
Jiri Denemark
parent
ecd811310c
commit
1004d6323a
@ -10338,53 +10338,20 @@ qemuDomainMigrateConfirm3(virDomainPtr domain,
|
||||
unsigned long flags,
|
||||
int cancelled)
|
||||
{
|
||||
virQEMUDriverPtr driver = domain->conn->privateData;
|
||||
virDomainObjPtr vm;
|
||||
int ret = -1;
|
||||
enum qemuMigrationJobPhase phase;
|
||||
virQEMUDriverConfigPtr cfg = NULL;
|
||||
|
||||
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
|
||||
|
||||
if (!(vm = qemuDomObjFromDomain(domain)))
|
||||
return -1;
|
||||
|
||||
cfg = virQEMUDriverGetConfig(driver);
|
||||
|
||||
if (virDomainMigrateConfirm3EnsureACL(domain->conn, vm->def) < 0)
|
||||
goto cleanup;
|
||||
|
||||
if (!qemuMigrationJobIsActive(vm, QEMU_ASYNC_JOB_MIGRATION_OUT))
|
||||
goto cleanup;
|
||||
|
||||
if (cancelled)
|
||||
phase = QEMU_MIGRATION_PHASE_CONFIRM3_CANCELLED;
|
||||
else
|
||||
phase = QEMU_MIGRATION_PHASE_CONFIRM3;
|
||||
|
||||
qemuMigrationJobStartPhase(driver, vm, phase);
|
||||
virQEMUCloseCallbacksUnset(driver->closeCallbacks, vm,
|
||||
qemuMigrationCleanup);
|
||||
|
||||
ret = qemuMigrationConfirm(driver, domain->conn, vm,
|
||||
cookiein, cookieinlen,
|
||||
flags, cancelled);
|
||||
|
||||
if (qemuMigrationJobFinish(driver, vm) == 0) {
|
||||
vm = NULL;
|
||||
} else if (!virDomainObjIsActive(vm) &&
|
||||
(!vm->persistent || (flags & VIR_MIGRATE_UNDEFINE_SOURCE))) {
|
||||
if (flags & VIR_MIGRATE_UNDEFINE_SOURCE)
|
||||
virDomainDeleteConfig(cfg->configDir, cfg->autostartDir, vm);
|
||||
qemuDomainRemoveInactive(driver, vm);
|
||||
vm = NULL;
|
||||
if (virDomainMigrateConfirm3EnsureACL(domain->conn, vm->def) < 0) {
|
||||
virObjectUnlock(vm);
|
||||
return -1;
|
||||
}
|
||||
|
||||
cleanup:
|
||||
if (vm)
|
||||
virObjectUnlock(vm);
|
||||
virObjectUnref(cfg);
|
||||
return ret;
|
||||
return qemuMigrationConfirm(domain->conn, vm, cookiein, cookieinlen,
|
||||
flags, cancelled);
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -2624,6 +2624,140 @@ cleanup:
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
qemuMigrationConfirmPhase(virQEMUDriverPtr driver,
|
||||
virConnectPtr conn,
|
||||
virDomainObjPtr vm,
|
||||
const char *cookiein,
|
||||
int cookieinlen,
|
||||
unsigned int flags,
|
||||
int retcode)
|
||||
{
|
||||
qemuMigrationCookiePtr mig;
|
||||
virDomainEventPtr event = NULL;
|
||||
int rv = -1;
|
||||
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
|
||||
|
||||
VIR_DEBUG("driver=%p, conn=%p, vm=%p, cookiein=%s, cookieinlen=%d, "
|
||||
"flags=%x, retcode=%d",
|
||||
driver, conn, vm, NULLSTR(cookiein), cookieinlen,
|
||||
flags, retcode);
|
||||
|
||||
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
|
||||
|
||||
qemuMigrationJobSetPhase(driver, vm,
|
||||
retcode == 0
|
||||
? QEMU_MIGRATION_PHASE_CONFIRM3
|
||||
: QEMU_MIGRATION_PHASE_CONFIRM3_CANCELLED);
|
||||
|
||||
if (!(mig = qemuMigrationEatCookie(driver, vm, cookiein, cookieinlen, 0)))
|
||||
goto cleanup;
|
||||
|
||||
if (flags & VIR_MIGRATE_OFFLINE)
|
||||
goto done;
|
||||
|
||||
/* Did the migration go as planned? If yes, kill off the
|
||||
* domain object, but if no, resume CPUs
|
||||
*/
|
||||
if (retcode == 0) {
|
||||
/* If guest uses SPICE and supports seamless migration we have to hold
|
||||
* up domain shutdown until SPICE server transfers its data */
|
||||
qemuMigrationWaitForSpice(driver, vm);
|
||||
|
||||
qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_MIGRATED,
|
||||
VIR_QEMU_PROCESS_STOP_MIGRATED);
|
||||
virDomainAuditStop(vm, "migrated");
|
||||
|
||||
event = virDomainEventNewFromObj(vm,
|
||||
VIR_DOMAIN_EVENT_STOPPED,
|
||||
VIR_DOMAIN_EVENT_STOPPED_MIGRATED);
|
||||
} else {
|
||||
|
||||
/* cancel any outstanding NBD jobs */
|
||||
qemuMigrationCancelDriveMirror(mig, driver, vm);
|
||||
|
||||
/* run 'cont' on the destination, which allows migration on qemu
|
||||
* >= 0.10.6 to work properly. This isn't strictly necessary on
|
||||
* older qemu's, but it also doesn't hurt anything there
|
||||
*/
|
||||
if (qemuProcessStartCPUs(driver, vm, conn,
|
||||
VIR_DOMAIN_RUNNING_MIGRATED,
|
||||
QEMU_ASYNC_JOB_MIGRATION_OUT) < 0) {
|
||||
if (virGetLastError() == NULL)
|
||||
virReportError(VIR_ERR_INTERNAL_ERROR,
|
||||
"%s", _("resume operation failed"));
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
event = virDomainEventNewFromObj(vm,
|
||||
VIR_DOMAIN_EVENT_RESUMED,
|
||||
VIR_DOMAIN_EVENT_RESUMED_MIGRATED);
|
||||
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0) {
|
||||
VIR_WARN("Failed to save status on vm %s", vm->def->name);
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
|
||||
done:
|
||||
qemuMigrationCookieFree(mig);
|
||||
rv = 0;
|
||||
|
||||
cleanup:
|
||||
if (event)
|
||||
qemuDomainEventQueue(driver, event);
|
||||
virObjectUnref(cfg);
|
||||
return rv;
|
||||
}
|
||||
|
||||
int
|
||||
qemuMigrationConfirm(virConnectPtr conn,
|
||||
virDomainObjPtr vm,
|
||||
const char *cookiein,
|
||||
int cookieinlen,
|
||||
unsigned int flags,
|
||||
int cancelled)
|
||||
{
|
||||
virQEMUDriverPtr driver = conn->privateData;
|
||||
enum qemuMigrationJobPhase phase;
|
||||
virQEMUDriverConfigPtr cfg = NULL;
|
||||
int ret = -1;
|
||||
|
||||
cfg = virQEMUDriverGetConfig(driver);
|
||||
|
||||
if (!qemuMigrationJobIsActive(vm, QEMU_ASYNC_JOB_MIGRATION_OUT))
|
||||
goto cleanup;
|
||||
|
||||
if (cancelled)
|
||||
phase = QEMU_MIGRATION_PHASE_CONFIRM3_CANCELLED;
|
||||
else
|
||||
phase = QEMU_MIGRATION_PHASE_CONFIRM3;
|
||||
|
||||
qemuMigrationJobStartPhase(driver, vm, phase);
|
||||
virQEMUCloseCallbacksUnset(driver->closeCallbacks, vm,
|
||||
qemuMigrationCleanup);
|
||||
|
||||
ret = qemuMigrationConfirmPhase(driver, conn, vm,
|
||||
cookiein, cookieinlen,
|
||||
flags, cancelled);
|
||||
|
||||
if (qemuMigrationJobFinish(driver, vm) == 0) {
|
||||
vm = NULL;
|
||||
} else if (!virDomainObjIsActive(vm) &&
|
||||
(!vm->persistent || (flags & VIR_MIGRATE_UNDEFINE_SOURCE))) {
|
||||
if (flags & VIR_MIGRATE_UNDEFINE_SOURCE)
|
||||
virDomainDeleteConfig(cfg->configDir, cfg->autostartDir, vm);
|
||||
qemuDomainRemoveInactive(driver, vm);
|
||||
vm = NULL;
|
||||
}
|
||||
|
||||
cleanup:
|
||||
if (vm)
|
||||
virObjectUnlock(vm);
|
||||
virObjectUnref(cfg);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
enum qemuMigrationDestinationType {
|
||||
MIGRATION_DEST_HOST,
|
||||
MIGRATION_DEST_CONNECT_HOST,
|
||||
@ -3597,9 +3731,9 @@ finish:
|
||||
cookieinlen = cookieoutlen;
|
||||
cookieout = NULL;
|
||||
cookieoutlen = 0;
|
||||
ret = qemuMigrationConfirm(driver, sconn, vm,
|
||||
cookiein, cookieinlen,
|
||||
flags, cancelled);
|
||||
ret = qemuMigrationConfirmPhase(driver, sconn, vm,
|
||||
cookiein, cookieinlen,
|
||||
flags, cancelled);
|
||||
/* If Confirm3 returns -1, there's nothing more we can
|
||||
* do, but fortunately worst case is that there is a
|
||||
* domain left in 'paused' state on source.
|
||||
@ -4267,91 +4401,6 @@ cleanup:
|
||||
}
|
||||
|
||||
|
||||
int qemuMigrationConfirm(virQEMUDriverPtr driver,
|
||||
virConnectPtr conn,
|
||||
virDomainObjPtr vm,
|
||||
const char *cookiein,
|
||||
int cookieinlen,
|
||||
unsigned int flags,
|
||||
int retcode)
|
||||
{
|
||||
qemuMigrationCookiePtr mig;
|
||||
virDomainEventPtr event = NULL;
|
||||
int rv = -1;
|
||||
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
|
||||
|
||||
VIR_DEBUG("driver=%p, conn=%p, vm=%p, cookiein=%s, cookieinlen=%d, "
|
||||
"flags=%x, retcode=%d",
|
||||
driver, conn, vm, NULLSTR(cookiein), cookieinlen,
|
||||
flags, retcode);
|
||||
|
||||
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
|
||||
|
||||
qemuMigrationJobSetPhase(driver, vm,
|
||||
retcode == 0
|
||||
? QEMU_MIGRATION_PHASE_CONFIRM3
|
||||
: QEMU_MIGRATION_PHASE_CONFIRM3_CANCELLED);
|
||||
|
||||
if (!(mig = qemuMigrationEatCookie(driver, vm, cookiein, cookieinlen, 0)))
|
||||
goto cleanup;
|
||||
|
||||
if (flags & VIR_MIGRATE_OFFLINE)
|
||||
goto done;
|
||||
|
||||
/* Did the migration go as planned? If yes, kill off the
|
||||
* domain object, but if no, resume CPUs
|
||||
*/
|
||||
if (retcode == 0) {
|
||||
/* If guest uses SPICE and supports seamless migration we have to hold
|
||||
* up domain shutdown until SPICE server transfers its data */
|
||||
qemuMigrationWaitForSpice(driver, vm);
|
||||
|
||||
qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_MIGRATED,
|
||||
VIR_QEMU_PROCESS_STOP_MIGRATED);
|
||||
virDomainAuditStop(vm, "migrated");
|
||||
|
||||
event = virDomainEventNewFromObj(vm,
|
||||
VIR_DOMAIN_EVENT_STOPPED,
|
||||
VIR_DOMAIN_EVENT_STOPPED_MIGRATED);
|
||||
} else {
|
||||
|
||||
/* cancel any outstanding NBD jobs */
|
||||
qemuMigrationCancelDriveMirror(mig, driver, vm);
|
||||
|
||||
/* run 'cont' on the destination, which allows migration on qemu
|
||||
* >= 0.10.6 to work properly. This isn't strictly necessary on
|
||||
* older qemu's, but it also doesn't hurt anything there
|
||||
*/
|
||||
if (qemuProcessStartCPUs(driver, vm, conn,
|
||||
VIR_DOMAIN_RUNNING_MIGRATED,
|
||||
QEMU_ASYNC_JOB_MIGRATION_OUT) < 0) {
|
||||
if (virGetLastError() == NULL)
|
||||
virReportError(VIR_ERR_INTERNAL_ERROR,
|
||||
"%s", _("resume operation failed"));
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
event = virDomainEventNewFromObj(vm,
|
||||
VIR_DOMAIN_EVENT_RESUMED,
|
||||
VIR_DOMAIN_EVENT_RESUMED_MIGRATED);
|
||||
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm) < 0) {
|
||||
VIR_WARN("Failed to save status on vm %s", vm->def->name);
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
|
||||
done:
|
||||
qemuMigrationCookieFree(mig);
|
||||
rv = 0;
|
||||
|
||||
cleanup:
|
||||
if (event)
|
||||
qemuDomainEventQueue(driver, event);
|
||||
virObjectUnref(cfg);
|
||||
return rv;
|
||||
}
|
||||
|
||||
|
||||
/* Helper function called while vm is active. */
|
||||
int
|
||||
qemuMigrationToFile(virQEMUDriverPtr driver, virDomainObjPtr vm,
|
||||
|
||||
@ -143,13 +143,12 @@ virDomainPtr qemuMigrationFinish(virQEMUDriverPtr driver,
|
||||
int retcode,
|
||||
bool v3proto);
|
||||
|
||||
int qemuMigrationConfirm(virQEMUDriverPtr driver,
|
||||
virConnectPtr conn,
|
||||
int qemuMigrationConfirm(virConnectPtr conn,
|
||||
virDomainObjPtr vm,
|
||||
const char *cookiein,
|
||||
int cookieinlen,
|
||||
unsigned int flags,
|
||||
int retcode);
|
||||
int cancelled);
|
||||
|
||||
bool qemuMigrationIsAllowed(virQEMUDriverPtr driver, virDomainObjPtr vm,
|
||||
virDomainDefPtr def, bool remote,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user