Repository: matrixorigin/matrixone
Pull request #4044 (2022-07-16 14:32:52)

logservice: improved hakeeper client to handle moved hakeeper nodes
**What type of PR is this?**

- [ ] API-change
- [ ] BUG
- [x] Improvement
- [ ] Documentation
- [ ] Feature
- [ ] Test and CI
- [ ] Code Refactoring

**Which issue(s) this PR fixes:**

issue #

**What this PR does / why we need it:**

Handle the situation in which HAKeeper replica might be moved by the hakeeper. HAKeeper client should be able to transparently handle situation.  

**Special notes for your reviewer:**

Not Available

**Additional documentation (e.g. design docs, usage docs, etc.):**

Not Available



Patch:
diff --git a/pkg/logservice/errors.go b/pkg/logservice/errors.go
index 31450fcaf..e00847c0e 100644
--- a/pkg/logservice/errors.go
+++ b/pkg/logservice/errors.go
@@ -49,6 +49,7 @@ func getErrorToCodeMapping() []errorToCode {
 		{dragonboat.ErrClosed, pb.SystemClosed, true},
 		{dragonboat.ErrInvalidRange, pb.OutOfRange, true},
 
+		{ErrNotHAKeeper, pb.NotHAKeeper, true},
 		{ErrInvalidTruncateLsn, pb.LsnAlreadyTruncated, true},
 		{ErrNotLeaseHolder, pb.NotLeaseHolder, true},
 	}
@@ -87,6 +88,9 @@ func toError(resp pb.Response) error {
 }
 
 func isTempError(err error) bool {
+	if errors.Is(err, ErrNotHAKeeper) {
+		return true
+	}
 	if dragonboat.IsTempError(err) {
 		return true
 	}
diff --git a/pkg/logservice/hakeeper_client.go b/pkg/logservice/hakeeper_client.go
index 991fc74fb..d17ab5d1c 100644
--- a/pkg/logservice/hakeeper_client.go
+++ b/pkg/logservice/hakeeper_client.go
@@ -19,13 +19,16 @@ import (
 	"sync"
 	"time"
 
+	"github.com/cockroachdb/errors"
+
 	"github.com/matrixorigin/matrixone/pkg/common/moerr"
 	"github.com/matrixorigin/matrixone/pkg/common/morpc"
 	pb "github.com/matrixorigin/matrixone/pkg/pb/logservice"
 )
 
 var (
-	ErrNoHAKeeper = moerr.NewError(moerr.INVALID_STATE, "failed to locate HAKeeper")
+	// ErrNotHAKeeper is returned to indicate that HAKeeper can not be located.
+	ErrNotHAKeeper = moerr.NewError(moerr.INVALID_STATE, "failed to locate HAKeeper")
 )
 
 // CNHAKeeperClient is the HAKeeper client used by a CN store.
@@ -59,6 +62,8 @@ type LogHAKeeperClient interface {
 	SendLogHeartbeat(ctx context.Context, hb pb.LogStoreHeartbeat) (pb.CommandBatch, error)
 }
 
+// TODO: HAKeeper discovery to be implemented
+
 // HAKeeperClientConfig is the config for HAKeeper clients.
 type HAKeeperClientConfig struct {
 	// DiscoveryAddress is the Log Service discovery address provided by k8s.
@@ -67,6 +72,124 @@ type HAKeeperClientConfig struct {
 	ServiceAddresses []string
 }
 
+var _ CNHAKeeperClient = (*managedHAKeeperClient)(nil)
+var _ DNHAKeeperClient = (*managedHAKeeperClient)(nil)
+var _ LogHAKeeperClient = (*managedHAKeeperClient)(nil)
+
+// NewCNHAKeeperClient creates a HAKeeper client to be used by a CN node.
+func NewCNHAKeeperClient(ctx context.Context,
+	cfg HAKeeperClientConfig) (CNHAKeeperClient, error) {
+	return newManagedHAKeeperClient(ctx, cfg)
+}
+
+// NewDNHAKeeperClient creates a HAKeeper client to be used by a DN node.
+func NewDNHAKeeperClient(ctx context.Context,
+	cfg HAKeeperClientConfig) (DNHAKeeperClient, error) {
+	return newManagedHAKeeperClient(ctx, cfg)
+}
+
+// NewLogHAKeeperClient creates a HAKeeper client to be used by a Log Service node.
+func NewLogHAKeeperClient(ctx context.Context,
+	cfg HAKeeperClientConfig) (LogHAKeeperClient, error) {
+	return newManagedHAKeeperClient(ctx, cfg)
+}
+
+func newManagedHAKeeperClient(ctx context.Context,
+	cfg HAKeeperClientConfig) (*managedHAKeeperClient, error) {
+	c, err := newHAKeeperClient(ctx, cfg)
+	if err != nil {
+		return nil, err
+	}
+	return &managedHAKeeperClient{client: c, cfg: cfg}, nil
+}
+
+type managedHAKeeperClient struct {
+	cfg    HAKeeperClientConfig
+	client *hakeeperClient
+}
+
+func (c *managedHAKeeperClient) Close() error {
+	if c.client == nil {
+		return nil
+	}
+	return c.client.close()
+}
+
+func (c *managedHAKeeperClient) GetClusterDetails(ctx context.Context) (pb.ClusterDetails, error) {
+	for {
+		cd, err := c.client.getClusterDetails(ctx)
+		if c.isInternalError(err) {
+			if cerr := c.prepareClient(ctx); cerr != nil {
+				plog.Errorf("failed to prepare HAKeeper client %v", cerr)
+				return pb.ClusterDetails{}, cerr
+			}
+			continue
+		}
+		return cd, err
+	}
+}
+
+func (c *managedHAKeeperClient) SendCNHeartbeat(ctx context.Context,
+	hb pb.CNStoreHeartbeat) error {
+	for {
+		err := c.client.sendCNHeartbeat(ctx, hb)
+		if c.isInternalError(err) {
+			if cerr := c.prepareClient(ctx); cerr != nil {
+				plog.Errorf("failed to prepare HAKeeper client %v", cerr)
+				return cerr
+			}
+			continue
+		}
+		return err
+	}
+}
+
+func (c *managedHAKeeperClient) SendDNHeartbeat(ctx context.Context,
+	hb pb.DNStoreHeartbeat) (pb.CommandBatch, error) {
+	for {
+		cb, err := c.client.sendDNHeartbeat(ctx, hb)
+		if c.isInternalError(err) {
+			if cerr := c.prepareClient(ctx); cerr != nil {
+				plog.Errorf("failed to prepare HAKeeper client %v", cerr)
+				return pb.CommandBatch{}, cerr
+			}
+			continue
+		}
+		return cb, err
+	}
+}
+
+func (c *managedHAKeeperClient) SendLogHeartbeat(ctx context.Context,
+	hb pb.LogStoreHeartbeat) (pb.CommandBatch, error) {
+	for {
+		cb, err := c.client.sendLogHeartbeat(ctx, hb)
+		if c.isInternalError(err) {
+			if cerr := c.prepareClient(ctx); cerr != nil {
+				plog.Errorf("failed to prepare HAKeeper client %v", cerr)
+				return pb.CommandBatch{}, cerr
+			}
+			continue
+		}
+		return cb, err
+	}
+}
+
+func (c *managedHAKeeperClient) isInternalError(err error) bool {
+	return errors.Is(err, ErrNotHAKeeper)
+}
+
+func (c *managedHAKeeperClient) prepareClient(ctx context.Context) error {
+	cc, err := newHAKeeperClient(ctx, c.cfg)
+	if err != nil {
+		return err
+	}
+	if err := c.client.close(); err != nil {
+		plog.Errorf("failed to close the client %v", err)
+	}
+	c.client = cc
+	return nil
+}
+
 type hakeeperClient struct {
 	cfg      HAKeeperClientConfig
 	client   morpc.RPCClient
@@ -99,7 +222,7 @@ func newHAKeeperClient(ctx context.Context,
 		}
 		c.addr = addr
 		c.client = cc
-		isHAKeeper, err := c.checkRemote(ctx)
+		isHAKeeper, err := c.checkIsHAKeeper(ctx)
 		plog.Infof("isHAKeeper: %t, err: %v", isHAKeeper, err)
 		if err == nil && isHAKeeper {
 			return c, nil
@@ -112,35 +235,16 @@ func newHAKeeperClient(ctx context.Context,
 	}
 	if e == nil {
 		// didn't encounter any error
-		return nil, ErrNoHAKeeper
+		return nil, ErrNotHAKeeper
 	}
 	return nil, e
 }
 
-var _ CNHAKeeperClient = (*hakeeperClient)(nil)
-var _ DNHAKeeperClient = (*hakeeperClient)(nil)
-var _ LogHAKeeperClient = (*hakeeperClient)(nil)
-
-func NewCNHAKeeperClient(ctx context.Context,
-	cfg HAKeeperClientConfig) (CNHAKeeperClient, error) {
-	return newHAKeeperClient(ctx, cfg)
-}
-
-func NewDNHAKeeperClient(ctx context.Context,
-	cfg HAKeeperClientConfig) (DNHAKeeperClient, error) {
-	return newHAKeeperClient(ctx, cfg)
-}
-
-func NewLogHAKeeperClient(ctx context.Context,
-	cfg HAKeeperClientConfig) (LogHAKeeperClient, error) {
-	return newHAKeeperClient(ctx, cfg)
-}
-
-func (c *hakeeperClient) Close() error {
+func (c *hakeeperClient) close() error {
 	return c.client.Close()
 }
 
-func (c *hakeeperClient) GetClusterDetails(ctx context.Context) (pb.ClusterDetails, error) {
+func (c *hakeeperClient) getClusterDetails(ctx context.Context) (pb.ClusterDetails, error) {
 	req := pb.Request{
 		Method: pb.GET_CLUSTER_DETAILS,
 	}
@@ -151,7 +255,7 @@ func (c *hakeeperClient) GetClusterDetails(ctx context.Context) (pb.ClusterDetai
 	return resp.ClusterDetails, nil
 }
 
-func (c *hakeeperClient) SendCNHeartbeat(ctx context.Context, hb pb.CNStoreHeartbeat) error {
+func (c *hakeeperClient) sendCNHeartbeat(ctx context.Context, hb pb.CNStoreHeartbeat) error {
 	req := pb.Request{
 		Method:      pb.CN_HEARTBEAT,
 		CNHeartbeat: hb,
@@ -160,7 +264,7 @@ func (c *hakeeperClient) SendCNHeartbeat(ctx context.Context, hb pb.CNStoreHeart
 	return err
 }
 
-func (c *hakeeperClient) SendDNHeartbeat(ctx context.Context,
+func (c *hakeeperClient) sendDNHeartbeat(ctx context.Context,
 	hb pb.DNStoreHeartbeat) (pb.CommandBatch, error) {
 	req := pb.Request{
 		Method:      pb.DN_HEARTBEAT,
@@ -169,7 +273,7 @@ func (c *hakeeperClient) SendDNHeartbeat(ctx context.Context,
 	return c.sendHeartbeat(ctx, req)
 }
 
-func (c *hakeeperClient) SendLogHeartbeat(ctx context.Context,
+func (c *hakeeperClient) sendLogHeartbeat(ctx context.Context,
 	hb pb.LogStoreHeartbeat) (pb.CommandBatch, error) {
 	req := pb.Request{
 		Method:       pb.LOG_HEARTBEAT,
@@ -194,7 +298,7 @@ func (c *hakeeperClient) sendHeartbeat(ctx context.Context,
 	return resp.CommandBatch, nil
 }
 
-func (c *hakeeperClient) checkRemote(ctx context.Context) (bool, error) {
+func (c *hakeeperClient) checkIsHAKeeper(ctx context.Context) (bool, error) {
 	req := pb.Request{
 		Method: pb.CHECK_HAKEEPER,
 	}
diff --git a/pkg/logservice/store.go b/pkg/logservice/store.go
index ac51a722f..684ce6d20 100644
--- a/pkg/logservice/store.go
+++ b/pkg/logservice/store.go
@@ -348,6 +348,16 @@ func (l *store) tsoUpdate(ctx context.Context, count uint64) (uint64, error) {
 	return result.Value, nil
 }
 
+func handleNotHAKeeperError(err error) error {
+	if err == nil {
+		return err
+	}
+	if errors.Is(err, dragonboat.ErrShardNotFound) {
+		return ErrNotHAKeeper
+	}
+	return err
+}
+
 func (l *store) addLogStoreHeartbeat(ctx context.Context,
 	hb pb.LogStoreHeartbeat) error {
 	data := MustMarshal(&hb)
@@ -355,7 +365,7 @@ func (l *store) addLogStoreHeartbeat(ctx context.Context,
 	session := l.nh.GetNoOPSession(hakeeper.DefaultHAKeeperShardID)
 	if _, err := l.propose(ctx, session, cmd); err != nil {
 		plog.Errorf("propose failed, %v", err)
-		return err
+		return handleNotHAKeeperError(err)
 	}
 	return nil
 }
@@ -367,7 +377,7 @@ func (l *store) addCNStoreHeartbeat(ctx context.Context,
 	session := l.nh.GetNoOPSession(hakeeper.DefaultHAKeeperShardID)
 	if _, err := l.propose(ctx, session, cmd); err != nil {
 		plog.Errorf("propose failed, %v", err)
-		return err
+		return handleNotHAKeeperError(err)
 	}
 	return nil
 }
@@ -379,7 +389,7 @@ func (l *store) addDNStoreHeartbeat(ctx context.Context,
 	session := l.nh.GetNoOPSession(hakeeper.DefaultHAKeeperShardID)
 	if _, err := l.propose(ctx, session, cmd); err != nil {
 		plog.Errorf("propose failed, %v", err)
-		return err
+		return handleNotHAKeeperError(err)
 	}
 	return nil
 }
@@ -389,8 +399,7 @@ func (l *store) getCommandBatch(ctx context.Context,
 	v, err := l.read(ctx,
 		hakeeper.DefaultHAKeeperShardID, &hakeeper.ScheduleCommandQuery{UUID: uuid})
 	if err != nil {
-		// FIXME: handle not HAKeeper error
-		return pb.CommandBatch{}, err
+		return pb.CommandBatch{}, handleNotHAKeeperError(err)
 	}
 	return *(v.(*pb.CommandBatch)), nil
 }
@@ -399,8 +408,7 @@ func (l *store) getClusterDetails(ctx context.Context) (pb.ClusterDetails, error
 	v, err := l.read(ctx,
 		hakeeper.DefaultHAKeeperShardID, &hakeeper.ClusterDetailsQuery{})
 	if err != nil {
-		// FIXME: handle not HAKeeper error
-		return pb.ClusterDetails{}, err
+		return pb.ClusterDetails{}, handleNotHAKeeperError(err)
 	}
 	return *(v.(*pb.ClusterDetails)), nil
 }
@@ -410,7 +418,7 @@ func (l *store) addScheduleCommands(ctx context.Context,
 	cmd := hakeeper.GetUpdateCommandsCmd(term, cmds)
 	session := l.nh.GetNoOPSession(hakeeper.DefaultHAKeeperShardID)
 	if _, err := l.propose(ctx, session, cmd); err != nil {
-		return err
+		return handleNotHAKeeperError(err)
 	}
 	return nil
 }
diff --git a/pkg/pb/logservice/logservice.pb.go b/pkg/pb/logservice/logservice.pb.go
index b3cfb7a4b..0da790dae 100644
--- a/pkg/pb/logservice/logservice.pb.go
+++ b/pkg/pb/logservice/logservice.pb.go
@@ -158,6 +158,7 @@ const (
 	LsnAlreadyTruncated ErrorCode = 100
 	OutOfRange          ErrorCode = 101
 	NotLeaseHolder      ErrorCode = 102
+	NotHAKeeper         ErrorCode = 103
 	OtherSystemError    ErrorCode = 1000
 )
 
@@ -175,6 +176,7 @@ var ErrorCode_name = map[int32]string{
 	100:  "LsnAlreadyTruncated",
 	101:  "OutOfRange",
 	102:  "NotLeaseHolder",
+	103:  "NotHAKeeper",
 	1000: "OtherSystemError",
 }
 
@@ -192,6 +194,7 @@ var ErrorCode_value = map[string]int32{
 	"LsnAlreadyTruncated": 100,
 	"OutOfRange":          101,
 	"NotLeaseHolder":      102,
+	"NotHAKeeper":         103,
 	"OtherSystemError":    1000,
 }
 
@@ -2634,152 +2637,153 @@ func init() {
 func init() { proto.RegisterFile("logservice.proto", fileDescriptor_fd1040c5381ab5a7) }
 
 var fileDescriptor_fd1040c5381ab5a7 = []byte{
-	// 2319 bytes of a gzipped FileDescriptorProto
+	// 2326 bytes of a gzipped FileDescriptorProto
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+	0x4b, 0xa9, 0x6f, 0x16, 0x37, 0xfe, 0x5a, 0x50, 0x9e, 0x02, 0x70, 0x7b, 0x4e, 0xc4, 0x86, 0xe6,
+	0x1c, 0x0e, 0xc4, 0x83, 0x91, 0x69, 0xa0, 0xe6, 0xa6, 0x17, 0xf6, 0xe8, 0x80, 0xfa, 0x66, 0x01,
+	0x37, 0xd1, 0x0e, 0xcf, 0xbd, 0x41, 0xe0, 0xb3, 0xf8, 0x9b, 0x45, 0xdc, 0x84, 0xa0, 0x48, 0x99,
+	0x92, 0x42, 0x7b, 0xe2, 0x5d, 0x0c, 0x22, 0xcf, 0x37, 0xe7, 0xc9, 0x0d, 0x20, 0x3a, 0xad, 0x13,
+	0x7c, 0x46, 0xcd, 0x32, 0xea, 0xcf, 0xac, 0x5a, 0x40, 0x43, 0x99, 0x62, 0x27, 0x4a, 0x5d, 0xea,
+	0xf9, 0x17, 0xdc, 0x6f, 0x9d, 0x8b, 0x24, 0xa5, 0xc3, 0xe6, 0x20, 0x4a, 0xa8, 0x6f, 0x2e, 0x32,
+	0xd0, 0x24, 0x61, 0x63, 0x10, 0x23, 0x47, 0xf6, 0xfc, 0x69, 0xfa, 0xe8, 0x95, 0x83, 0x71, 0x7a,
+	0x70, 0xe2, 0xe2, 0x85, 0xc5, 0xc4, 0x6a, 0x58, 0x73, 0xa2, 0x54, 0x01, 0x98, 0x79, 0x82, 0xbe,
+	0x71, 0xa2, 0x54, 0x16, 0x0c, 0xb3, 0x4f, 0xd6, 0xc0, 0x3c, 0x48, 0x4f, 0x69, 0xcc, 0x17, 0xe1,
+	0x3e, 0xf8, 0xf7, 0xc2, 0xc6, 0xdf, 0x0d, 0x20, 0x92, 0x4b, 0x01, 0x2c, 0xa2, 0x29, 0xe8, 0x9d,
+	0xa9, 0x38, 0x55, 0xde, 0xa4, 0x32, 0x9c, 0xae, 0xc1, 0x8a, 0x3d, 0x45, 0x2e, 0xa0, 0x13, 0xd4,
+	0x87, 0x30, 0x09, 0x59, 0x34, 0xea, 0x21, 0x4d, 0x33, 0xf8, 0x97, 0xc8, 0x1b, 0x53, 0x29, 0x2c,
+	0xa6, 0xe6, 0x71, 0x53, 0x1d, 0x9a, 0xb2, 0x52, 0x21, 0x68, 0x65, 0x52, 0x87, 0xeb, 0xfa, 0x61,
+	0x4d, 0xcc, 0x2c, 0x6c, 0x7c, 0x61, 0xc0, 0xb2, 0x56, 0xb8, 0x31, 0x85, 0x24, 0xa1, 0x19, 0x53,
+	0xe6, 0xb9, 0x39, 0x5c, 0x4f, 0x12, 0xb5, 0x3b, 0xa3, 0x69, 0x90, 0x1f, 0xc2, 0xf7, 0xa7, 0xa6,
+	0x64, 0x59, 0x71, 0x69, 0x8f, 0x06, 0xe7, 0x0c, 0x19, 0x6f, 0xc2, 0xcd, 0x29, 0xb6, 0x8f, 0xbc,
+	0x00, 0x61, 0x53, 0x54, 0xd7, 0x74, 0xc7, 0x61, 0x88, 0x8a, 0x4b, 0x1b, 0x9f, 0x80, 0x39, 0x79,
+	0x81, 0x47, 0xf7, 0x36, 0x7c, 0x5f, 0x1c, 0x8f, 0xcc, 0x39, 0xc4, 0x83, 0x4b, 0x87, 0xd1, 0x39,
+	0x95, 0x24, 0x83, 0xe1, 0x21, 0xf5, 0xe2, 0x54, 0x52, 0x0a, 0xe8, 0xbd, 0x4e, 0x1a, 0x8d, 0x24,
+	0xa1, 0xb8, 0xf1, 0x8e, 0x76, 0x55, 0x45, 0xa5, 0x58, 0xb0, 0x38, 0xc5, 0x9c, 0xc3, 0x7a, 0x61,
+	0x87, 0x72, 0x68, 0xec, 0xb6, 0x9e, 0x7d, 0x73, 0x6b, 0xee, 0xab, 0xe7, 0xb7, 0x8c, 0x67, 0xcf,
+	0x6f, 0x19, 0xff, 0x7a, 0x7e, 0xcb, 0xf8, 0xe5, 0x7d, 0xe5, 0xc7, 0xe0, 0xd0, 0x4b, 0xe3, 0xe0,
+	0x69, 0x14, 0x07, 0xfd, 0x20, 0x94, 0x83, 0x90, 0x6e, 0x8d, 0xce, 0xfa, 0x5b, 0xa3, 0xe3, 0xad,
+	0xbc, 0x5c, 0x1e, 0x97, 0xd9, 0x5f, 0xc1, 0xfb, 0xff, 0x0d, 0x00, 0x00, 0xff, 0xff, 0x71, 0x23,
+	0x25, 0xbd, 0x74, 0x1c, 0x00, 0x00,
 }
 
 func (m *CNNode) Marshal() (dAtA []byte, err error) {
diff --git a/pkg/pb/plan/plan.pb.go b/pkg/pb/plan/plan.pb.go
index 44b4a3918..02290f59e 100644
--- a/pkg/pb/plan/plan.pb.go
+++ b/pkg/pb/plan/plan.pb.go
@@ -896,6 +896,7 @@ func (m *Type) GetScale() int32 {
 type Const struct {
 	Isnull bool `protobuf:"varint,1,opt,name=isnull,proto3" json:"isnull,omitempty"`
 	// Types that are valid to be assigned to Value:
+	//
 	//	*Const_Ival
 	//	*Const_Dval
 	//	*Const_Sval
@@ -1660,6 +1661,7 @@ func (m *Function) GetArgs() []*Expr {
 type Expr struct {
 	Typ *Type `protobuf:"bytes,1,opt,name=typ,proto3" json:"typ,omitempty"`
 	// Types that are valid to be assigned to Expr:
+	//
 	//	*Expr_C
 	//	*Expr_P
 	//	*Expr_V
@@ -1909,6 +1911,7 @@ func (m *DefaultExpr) GetIsNull() bool {
 
 type ConstantValue struct {
 	// Types that are valid to be assigned to ConstantValue:
+	//
 	//	*ConstantValue_UnknownV
 	//	*ConstantValue_Int64V
 	//	*ConstantValue_Decimal64V
@@ -2544,6 +2547,7 @@ func (m *TableDef) GetDefs() []*TableDef_DefType {
 
 type TableDef_DefType struct {
 	// Types that are valid to be assigned to Def:
+	//
 	//	*TableDef_DefType_Pk
 	//	*TableDef_DefType_Idx
 	//	*TableDef_DefType_Properties
@@ -3473,9 +3477,10 @@ func (m *Query) GetHeadings() []string {
 }
 
 type TransationControl struct {
-	//TransationControl type
+	// TransationControl type
 	TclType TransationControl_TclType `protobuf:"varint,1,opt,name=tcl_type,json=tclType,proto3,enum=plan.TransationControl_TclType" json:"tcl_type,omitempty"`
 	// Types that are valid to be assigned to Action:
+	//
 	//	*TransationControl_Begin
 	//	*TransationControl_Commit
 	//	*TransationControl_Rollback
@@ -3725,6 +3730,7 @@ func (m *TransationRollback) GetCompletionType() TransationCompletionType {
 
 type Plan struct {
 	// Types that are valid to be assigned to Plan:
+	//
 	//	*Plan_Query
 	//	*Plan_Tcl
 	//	*Plan_Ddl
@@ -3838,9 +3844,10 @@ func (*Plan) XXX_OneofWrappers() []interface{} {
 }
 
 type DataControl struct {
-	//DataDefinition type
+	// DataDefinition type
 	DclType DataControl_DclType `protobuf:"varint,1,opt,name=dcl_type,json=dclType,proto3,enum=plan.DataControl_DclType" json:"dcl_type,omitempty"`
 	// Types that are valid to be assigned to Control:
+	//
 	//	*DataControl_SetVariables
 	//	*DataControl_Prepare
 	//	*DataControl_Execute
@@ -3961,13 +3968,14 @@ func (*DataControl) XXX_OneofWrappers() []interface{} {
 }
 
 type DataDefinition struct {
-	//DataDefinition type
+	// DataDefinition type
 	DdlType DataDefinition_DdlType `protobuf:"varint,1,opt,name=ddl_type,json=ddlType,proto3,enum=plan.DataDefinition_DdlType" json:"ddl_type,omitempty"`
-	//other show statement we will rewrite to a select statement
-	//then we will get a Query
-	//eg: 'show databases' will rewrite to 'select md.datname as `Database` from mo_database md'
+	// other show statement we will rewrite to a select statement
+	// then we will get a Query
+	// eg: 'show databases' will rewrite to 'select md.datname as `Database` from mo_database md'
 	Query *Query `protobuf:"bytes,2,opt,name=query,proto3" json:"query,omitempty"`
 	// Types that are valid to be assigned to Definition:
+	//
 	//	*DataDefinition_CreateDatabase
 	//	*DataDefinition_AlterDatabase
 	//	*DataDefinition_DropDatabase
diff --git a/pkg/pb/txn/txn.pb.go b/pkg/pb/txn/txn.pb.go
index 5f735eca7..7b358d91c 100644
--- a/pkg/pb/txn/txn.pb.go
+++ b/pkg/pb/txn/txn.pb.go
@@ -522,9 +522,9 @@ func (m *CNOpResponse) GetPayload() []byte {
 // to TxnMethod.
 //
 // Request flow of TxnRequest as below:
-// 1. CN -> DN (TxnMethod.Read, TxnMethod.Write, TxnMethod.Commit, TxnMethod.Rollback)
-// 2. DN -> DN (TxnMethod.Prepare, TxnMethod.GetStatus, TxnMethod.CommitDNShard, TxnMethod.RollbackDNShard,
-//             TxnMethod.RemoveMetadata)
+//  1. CN -> DN (TxnMethod.Read, TxnMethod.Write, TxnMethod.Commit, TxnMethod.Rollback)
+//  2. DN -> DN (TxnMethod.Prepare, TxnMethod.GetStatus, TxnMethod.CommitDNShard, TxnMethod.RollbackDNShard,
+//     TxnMethod.RemoveMetadata)
 type TxnRequest struct {
 	// RequestID request id
 	RequestID uint64 `protobuf:"varint,1,opt,name=RequestID,proto3" json:"RequestID,omitempty"`
diff --git a/proto/logservice.proto b/proto/logservice.proto
index 066a609b9..5f8f92aa5 100644
--- a/proto/logservice.proto
+++ b/proto/logservice.proto
@@ -182,10 +182,11 @@ enum ErrorCode {
   Rejected              = 7;
   ShardNotReady         = 8;
   SystemClosed          = 9;
-
-  LsnAlreadyTruncated = 100;
+  
+  LsnAlreadyTruncated   = 100;
   OutOfRange            = 101;
   NotLeaseHolder        = 102;
+  NotHAKeeper           = 103;
 
   OtherSystemError      = 1000;
 };


Test patch:
diff --git a/pkg/logservice/errors_test.go b/pkg/logservice/errors_test.go
index 73ef72fce..f4d73884b 100644
--- a/pkg/logservice/errors_test.go
+++ b/pkg/logservice/errors_test.go
@@ -67,6 +67,8 @@ func TestIsTempError(t *testing.T) {
 		{dragonboat.ErrInvalidTarget, false},
 		{dragonboat.ErrInvalidRange, false},
 
+		{ErrNotHAKeeper, true},
+
 		{ErrDeadlineNotSet, false},
 		{ErrInvalidDeadline, false},
 		{ErrInvalidTruncateLsn, false},
diff --git a/pkg/logservice/hakeeper_checker_test.go b/pkg/logservice/hakeeper_checker_test.go
index 6ad0e1ab1..2ca728811 100644
--- a/pkg/logservice/hakeeper_checker_test.go
+++ b/pkg/logservice/hakeeper_checker_test.go
@@ -181,7 +181,7 @@ func runHAKeeperClusterTest(t *testing.T, fn func(*testing.T, []*Service)) {
 	service1, err := NewService(cfg1)
 	require.NoError(t, err)
 	defer func() {
-		//assert.NoError(t, service1.Close())
+		assert.NoError(t, service1.Close())
 	}()
 	service2, err := NewService(cfg2)
 	require.NoError(t, err)
diff --git a/pkg/logservice/hakeeper_client_test.go b/pkg/logservice/hakeeper_client_test.go
index 9d718be29..138603740 100644
--- a/pkg/logservice/hakeeper_client_test.go
+++ b/pkg/logservice/hakeeper_client_test.go
@@ -16,9 +16,13 @@ package logservice
 
 import (
 	"context"
+	"sync"
 	"testing"
 	"time"
 
+	"github.com/lni/dragonboat/v4"
+	"github.com/lni/goutils/leaktest"
+	"github.com/lni/vfs"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
@@ -53,11 +57,11 @@ func TestHAKeeperClientCanNotConnectToNonHAKeeperNode(t *testing.T) {
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
 		defer cancel()
 		_, err := NewCNHAKeeperClient(ctx, cfg)
-		require.Equal(t, ErrNoHAKeeper, err)
+		require.Equal(t, ErrNotHAKeeper, err)
 		_, err = NewDNHAKeeperClient(ctx, cfg)
-		assert.Equal(t, ErrNoHAKeeper, err)
+		assert.Equal(t, ErrNotHAKeeper, err)
 		_, err = NewLogHAKeeperClient(ctx, cfg)
-		assert.Equal(t, ErrNoHAKeeper, err)
+		assert.Equal(t, ErrNotHAKeeper, err)
 	}
 	runServiceTest(t, false, true, fn)
 }
@@ -176,3 +180,119 @@ func TestHAKeeperClientSendLogHeartbeat(t *testing.T) {
 	}
 	runServiceTest(t, true, true, fn)
 }
+
+func testNotHAKeeperErrorIsHandled(t *testing.T, fn func(*testing.T, *managedHAKeeperClient)) {
+	defer leaktest.AfterTest(t)()
+	cfg1 := Config{
+		FS:                    vfs.NewStrictMem(),
+		DeploymentID:          1,
+		RTTMillisecond:        5,
+		DataDir:               "data-1",
+		ServiceAddress:        "127.0.0.1:9002",
+		RaftAddress:           "127.0.0.1:9000",
+		GossipAddress:         "127.0.0.1:9001",
+		GossipSeedAddresses:   []string{"127.0.0.1:9011"},
+		DisableHAKeeperTicker: true,
+	}
+	cfg2 := Config{
+		FS:                    vfs.NewStrictMem(),
+		DeploymentID:          1,
+		RTTMillisecond:        5,
+		DataDir:               "data-2",
+		ServiceAddress:        "127.0.0.1:9012",
+		RaftAddress:           "127.0.0.1:9010",
+		GossipAddress:         "127.0.0.1:9011",
+		GossipSeedAddresses:   []string{"127.0.0.1:9001"},
+		DisableHAKeeperTicker: true,
+	}
+	service1, err := NewService(cfg1)
+	require.NoError(t, err)
+	defer func() {
+		assert.NoError(t, service1.Close())
+	}()
+	service2, err := NewService(cfg2)
+	require.NoError(t, err)
+	defer func() {
+		assert.NoError(t, service2.Close())
+	}()
+	// service2 is HAKeeper
+	peers := make(map[uint64]dragonboat.Target)
+	peers[1] = service2.ID()
+	assert.NoError(t, service2.store.startHAKeeperReplica(1, peers, false))
+	// manually construct a HAKeeper client that is connected to service1
+	pool := &sync.Pool{}
+	pool.New = func() interface{} {
+		return &RPCRequest{pool: pool}
+	}
+	respPool := &sync.Pool{}
+	respPool.New = func() interface{} {
+		return &RPCResponse{pool: respPool}
+	}
+	cfg := HAKeeperClientConfig{
+		ServiceAddresses: []string{cfg1.ServiceAddress, cfg2.ServiceAddress},
+	}
+	c := &hakeeperClient{
+		cfg:      cfg,
+		pool:     pool,
+		respPool: respPool,
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	defer cancel()
+	cc, err := getRPCClient(ctx, cfg1.ServiceAddress, c.respPool)
+	require.NoError(t, err)
+	c.addr = cfg1.ServiceAddress
+	c.client = cc
+	client := &managedHAKeeperClient{client: c, cfg: cfg}
+	defer func() {
+		require.NoError(t, client.Close())
+	}()
+	fn(t, client)
+}
+
+func TestGetClusterDetailsWhenNotConnectedToHAKeeper(t *testing.T) {
+	fn := func(t *testing.T, c *managedHAKeeperClient) {
+		oldc := c.client
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+		defer cancel()
+		_, err := c.GetClusterDetails(ctx)
+		require.NoError(t, err)
+		require.True(t, oldc != c.client)
+	}
+	testNotHAKeeperErrorIsHandled(t, fn)
+}
+
+func TestSendCNHeartbeatWhenNotConnectedToHAKeeper(t *testing.T) {
+	fn := func(t *testing.T, c *managedHAKeeperClient) {
+		oldc := c.client
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+		defer cancel()
+		err := c.SendCNHeartbeat(ctx, pb.CNStoreHeartbeat{})
+		require.NoError(t, err)
+		require.True(t, oldc != c.client)
+	}
+	testNotHAKeeperErrorIsHandled(t, fn)
+}
+
+func TestSendDNHeartbeatWhenNotConnectedToHAKeeper(t *testing.T) {
+	fn := func(t *testing.T, c *managedHAKeeperClient) {
+		oldc := c.client
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+		defer cancel()
+		_, err := c.SendDNHeartbeat(ctx, pb.DNStoreHeartbeat{})
+		require.NoError(t, err)
+		require.True(t, oldc != c.client)
+	}
+	testNotHAKeeperErrorIsHandled(t, fn)
+}
+
+func TestSendLogHeartbeatWhenNotConnectedToHAKeeper(t *testing.T) {
+	fn := func(t *testing.T, c *managedHAKeeperClient) {
+		oldc := c.client
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+		defer cancel()
+		_, err := c.SendLogHeartbeat(ctx, pb.LogStoreHeartbeat{})
+		require.NoError(t, err)
+		require.True(t, oldc != c.client)
+	}
+	testNotHAKeeperErrorIsHandled(t, fn)
+}