libvirt/SOURCES/libvirt-qemu-Send-event-VIR_DOMAIN_EVENT_-STOPPED-STARTED-during-recreation.patch

139 lines
5.6 KiB
Diff

From dbeae7c9d470143a0c23195d1880ad302bce78ab Mon Sep 17 00:00:00 2001
Message-ID: <dbeae7c9d470143a0c23195d1880ad302bce78ab.1759835600.git.jdenemar@redhat.com>
From: Zhenzhong Duan <zhenzhong.duan@intel.com>
Date: Thu, 10 Jul 2025 03:21:21 -0400
Subject: [PATCH] qemu: Send event VIR_DOMAIN_EVENT_[STOPPED|STARTED] during
recreation
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
For secure guest, FakeReboot kills original QEMU instance and
create new one which is quite different from normal guest.
To reflect this fact, VIR_DOMAIN_EVENT_[STOPPED|STARTED]
are sent to control plane with new introduced reasons
VIR_DOMAIN_EVENT_[STOPPED|STARTED]_RECREATION.
That would let control plane software understand that these
events are from a fake reboot.
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
(cherry picked from commit 1af740c5012bb45dfe96c77bcd6b20c28b6bb45d)
Resolves: https://issues.redhat.com/browse/RHEL-111840
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
examples/c/misc/event-test.c | 6 ++++++
include/libvirt/libvirt-domain.h | 2 ++
src/qemu/qemu_process.c | 10 ++++++++++
tools/virsh-domain-event.c | 6 ++++--
4 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/examples/c/misc/event-test.c b/examples/c/misc/event-test.c
index 88d99dff56..04d74670e7 100644
--- a/examples/c/misc/event-test.c
+++ b/examples/c/misc/event-test.c
@@ -143,6 +143,9 @@ eventDetailToString(int event,
case VIR_DOMAIN_EVENT_STARTED_WAKEUP:
return "Event wakeup";
+ case VIR_DOMAIN_EVENT_STARTED_RECREATION:
+ return "Recreation";
+
case VIR_DOMAIN_EVENT_STARTED_LAST:
break;
}
@@ -227,6 +230,9 @@ eventDetailToString(int event,
case VIR_DOMAIN_EVENT_STOPPED_FROM_SNAPSHOT:
return "Snapshot";
+ case VIR_DOMAIN_EVENT_STOPPED_RECREATION:
+ return "Recreation";
+
case VIR_DOMAIN_EVENT_STOPPED_LAST:
break;
}
diff --git a/include/libvirt/libvirt-domain.h b/include/libvirt/libvirt-domain.h
index df13b72f7b..7759ddeaad 100644
--- a/include/libvirt/libvirt-domain.h
+++ b/include/libvirt/libvirt-domain.h
@@ -3873,6 +3873,7 @@ typedef enum {
VIR_DOMAIN_EVENT_STARTED_RESTORED = 2, /* Restored from a state file (Since: 0.5.0) */
VIR_DOMAIN_EVENT_STARTED_FROM_SNAPSHOT = 3, /* Restored from snapshot (Since: 0.8.0) */
VIR_DOMAIN_EVENT_STARTED_WAKEUP = 4, /* Started due to wakeup event (Since: 0.9.11) */
+ VIR_DOMAIN_EVENT_STARTED_RECREATION = 5, /* Secure guest recreation (Since: 10.1.0) */
# ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_EVENT_STARTED_LAST /* (Since: 0.9.10) */
@@ -3937,6 +3938,7 @@ typedef enum {
VIR_DOMAIN_EVENT_STOPPED_SAVED = 4, /* Saved to a state file (Since: 0.5.0) */
VIR_DOMAIN_EVENT_STOPPED_FAILED = 5, /* Host emulator/mgmt failed (Since: 0.5.0) */
VIR_DOMAIN_EVENT_STOPPED_FROM_SNAPSHOT = 6, /* offline snapshot loaded (Since: 0.8.0) */
+ VIR_DOMAIN_EVENT_STOPPED_RECREATION = 7, /* Secure guest recreation (Since: 10.1.0) */
# ifdef VIR_ENUM_SENTINELS
VIR_DOMAIN_EVENT_STOPPED_LAST /* (Since: 0.9.10) */
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index caf63b0ae3..0d4fdf6960 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -455,6 +455,7 @@ qemuProcessFakeRebootViaRecreate(virDomainObj *vm)
{
qemuDomainObjPrivate *priv = vm->privateData;
virQEMUDriver *driver = priv->driver;
+ virObjectEvent *event = NULL;
int ret = -1;
VIR_DEBUG("Handle secure guest reboot: destroy phase");
@@ -471,6 +472,11 @@ qemuProcessFakeRebootViaRecreate(virDomainObj *vm)
qemuProcessStop(driver, vm, VIR_DOMAIN_SHUTOFF_DESTROYED, VIR_ASYNC_JOB_NONE, 0);
virDomainAuditStop(vm, "destroyed");
+ event = virDomainEventLifecycleNewFromObj(vm,
+ VIR_DOMAIN_EVENT_STOPPED,
+ VIR_DOMAIN_EVENT_STOPPED_RECREATION);
+ virObjectEventStateQueue(driver->domainEventState, event);
+
/* skip remove inactive domain from active list */
qemuProcessEndStopJob(vm);
@@ -491,6 +497,10 @@ qemuProcessFakeRebootViaRecreate(virDomainObj *vm)
}
virDomainAuditStart(vm, "booted", true);
+ event = virDomainEventLifecycleNewFromObj(vm,
+ VIR_DOMAIN_EVENT_STARTED,
+ VIR_DOMAIN_EVENT_STARTED_RECREATION);
+ virObjectEventStateQueue(driver->domainEventState, event);
qemuDomainSaveStatus(vm);
ret = 0;
diff --git a/tools/virsh-domain-event.c b/tools/virsh-domain-event.c
index cd33d4d938..1b42ed706d 100644
--- a/tools/virsh-domain-event.c
+++ b/tools/virsh-domain-event.c
@@ -70,7 +70,8 @@ VIR_ENUM_IMPL(virshDomainEventStarted,
N_("Migrated"),
N_("Restored"),
N_("Snapshot"),
- N_("Event wakeup"));
+ N_("Event wakeup"),
+ N_("Recreation"));
VIR_ENUM_DECL(virshDomainEventSuspended);
VIR_ENUM_IMPL(virshDomainEventSuspended,
@@ -103,7 +104,8 @@ VIR_ENUM_IMPL(virshDomainEventStopped,
N_("Migrated"),
N_("Saved"),
N_("Failed"),
- N_("Snapshot"));
+ N_("Snapshot"),
+ N_("Recreation"));
VIR_ENUM_DECL(virshDomainEventShutdown);
VIR_ENUM_IMPL(virshDomainEventShutdown,
--
2.51.0