From 3d1507b0e40c31e19b091ecf2bc1ff0a088c0e03 Mon Sep 17 00:00:00 2001
From: wanyaoqi <d3lx.yq@gmail.com>
Date: Wed, 20 Sep 2023 22:25:01 +0800
Subject: [PATCH 1/2] fix(host): cancel backup guest prelaunch

---
 pkg/hostman/guestman/qemu-kvm.go | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/pkg/hostman/guestman/qemu-kvm.go b/pkg/hostman/guestman/qemu-kvm.go
index 43ae971792..6261a57795 100644
--- a/pkg/hostman/guestman/qemu-kvm.go
+++ b/pkg/hostman/guestman/qemu-kvm.go
@@ -2446,18 +2446,20 @@ func (s *SKVMGuestInstance) doBlockIoThrottle() {
 
 func (s *SKVMGuestInstance) onGuestPrelaunch() error {
 	s.LiveMigrateDestPort = nil
-	if options.HostOptions.SetVncPassword {
-		s.SetVncPassword()
-	}
-	if s.isMemcleanEnabled() {
-		if err := s.startMemCleaner(); err != nil {
-			return err
+	if !s.Desc.IsSlave {
+		if options.HostOptions.SetVncPassword {
+			s.SetVncPassword()
 		}
+		if s.isMemcleanEnabled() {
+			if err := s.startMemCleaner(); err != nil {
+				return err
+			}
+		}
+		s.OnResumeSyncMetadataInfo()
+		s.GuestPrelaunchSetCgroup()
+		s.optimizeOom()
+		s.doBlockIoThrottle()
 	}
-	s.OnResumeSyncMetadataInfo()
-	s.GuestPrelaunchSetCgroup()
-	s.optimizeOom()
-	s.doBlockIoThrottle()
 	return nil
 }
 

From 9d7a49ebdf9d4bd1c01080291e508671c142073b Mon Sep 17 00:00:00 2001
From: wanyaoqi <d3lx.yq@gmail.com>
Date: Thu, 21 Sep 2023 11:03:38 +0800
Subject: [PATCH 2/2] fix(host): avoid panic on host record not init

---
 pkg/hostman/hostinfo/hostinfo.go | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/pkg/hostman/hostinfo/hostinfo.go b/pkg/hostman/hostinfo/hostinfo.go
index d0f1d3b893..44e14e65a9 100644
--- a/pkg/hostman/hostinfo/hostinfo.go
+++ b/pkg/hostman/hostinfo/hostinfo.go
@@ -1305,16 +1305,16 @@ func (h *SHostInfo) ensureHostRecord(zoneId string) (*api.HostDetails, error) {
 		h.Domain_id = hosts[0].DomainId
 		h.HostId = hosts[0].Id
 		h.Project_domain = strings.ReplaceAll(hosts[0].ProjectDomain, " ", "+")
-	}
 
-	// 上次未能正常offline, 补充一次健康日志
-	if hosts[0].HostStatus == api.HOST_ONLINE {
-		reason := fmt.Sprintf("The host status is online when it staring. Maybe the control center was down earlier")
-		logclient.AddSimpleActionLog(h, logclient.ACT_HEALTH_CHECK, map[string]string{"reason": reason}, hostutils.GetComputeSession(context.Background()).GetToken(), false)
-		data := jsonutils.NewDict()
-		data.Add(jsonutils.NewString(h.GetName()), "name")
-		data.Add(jsonutils.NewString(reason), "message")
-		notifyclient.SystemExceptionNotify(context.TODO(), napi.ActionSystemException, napi.TOPIC_RESOURCE_HOST, data)
+		// 上次未能正常offline, 补充一次健康日志
+		if hosts[0].HostStatus == api.HOST_ONLINE {
+			reason := fmt.Sprintf("The host status is online when it staring. Maybe the control center was down earlier")
+			logclient.AddSimpleActionLog(h, logclient.ACT_HEALTH_CHECK, map[string]string{"reason": reason}, hostutils.GetComputeSession(context.Background()).GetToken(), false)
+			data := jsonutils.NewDict()
+			data.Add(jsonutils.NewString(h.GetName()), "name")
+			data.Add(jsonutils.NewString(reason), "message")
+			notifyclient.SystemExceptionNotify(context.TODO(), napi.ActionSystemException, napi.TOPIC_RESOURCE_HOST, data)
+		}
 	}
 
 	return h.updateOrCreateHost(h.HostId)