Repository: matrixorigin/matrixone
Pull request #11067 (2023-08-07 03:18:47)

[feature] cn: add new config for init work state.
## What type of PR is this?

- [ ] API-change
- [ ] BUG
- [ ] Improvement
- [ ] Documentation
- [x] Feature
- [ ] Test and CI
- [ ] Code Refactoring

## Which issue(s) this PR fixes:

issue #11064

## What this PR does / why we need it:
Adding a CN instance and updating the label information of the CN
instance are not atomic operations, so there is a period of time
between when the CN is added to the hakeeper and when the label
information is updated that the label information is inaccurate, and
during this period of time it is necessary to make sure that the CN
can't be used incorrectly, and therefore it is necessary to set the
state of draining when the cn is added to the hakeeper to avoid
this problem. Therefore, we need to set the state to draining when
the cn is added to the hakeeper to avoid this problem.


Patch:
diff --git a/pkg/cnservice/server_heartbeat.go b/pkg/cnservice/server_heartbeat.go
index fd9603357..378be6909 100644
--- a/pkg/cnservice/server_heartbeat.go
+++ b/pkg/cnservice/server_heartbeat.go
@@ -73,6 +73,7 @@ func (s *service) heartbeat(ctx context.Context) {
 		Role:               s.metadata.Role,
 		TaskServiceCreated: s.GetTaskRunner() != nil,
 		QueryAddress:       s.queryServiceServiceAddr(),
+		InitWorkState:      s.cfg.InitWorkState,
 	}
 	cb, err := s._hakeeperClient.SendCNHeartbeat(ctx2, hb)
 	if err != nil {
diff --git a/pkg/cnservice/types.go b/pkg/cnservice/types.go
index 8d7203a90..5289505e6 100644
--- a/pkg/cnservice/types.go
+++ b/pkg/cnservice/types.go
@@ -226,6 +226,10 @@ type Config struct {
 
 	// MaxPreparedStmtCount
 	MaxPreparedStmtCount int `toml:"max_prepared_stmt_count"`
+
+	// InitWorkState is the initial work state for CN. Valid values are:
+	// "working", "draining" and "drained".
+	InitWorkState string `toml:"init-work-state"`
 }
 
 func (c *Config) Validate() error {
@@ -363,6 +367,10 @@ func (c *Config) Validate() error {
 		}
 	}
 
+	if !metadata.ValidStateString(c.InitWorkState) {
+		c.InitWorkState = metadata.WorkState_Working.String()
+	}
+
 	// TODO: remove this if rc is stable
 	moruntime.ProcessLevelRuntime().SetGlobalVariables(moruntime.EnableCheckInvalidRCErrors,
 		c.Txn.EnableCheckRCInvalidError)
diff --git a/pkg/pb/logservice/logservice.go b/pkg/pb/logservice/logservice.go
index 77011380c..5400071e0 100644
--- a/pkg/pb/logservice/logservice.go
+++ b/pkg/pb/logservice/logservice.go
@@ -75,8 +75,11 @@ func (s *CNState) Update(hb CNStoreHeartbeat, tick uint64) {
 		storeInfo = CNStoreInfo{}
 		storeInfo.Labels = make(map[string]metadata.LabelList)
 	}
-	if storeInfo.WorkState == metadata.WorkState_Unknown {
+	v, ok := metadata.WorkState_value[metadata.ToTitle(hb.InitWorkState)]
+	if !ok {
 		storeInfo.WorkState = metadata.WorkState_Working
+	} else {
+		storeInfo.WorkState = metadata.WorkState(v)
 	}
 	storeInfo.Tick = tick
 	storeInfo.ServiceAddress = hb.ServiceAddress
@@ -104,7 +107,7 @@ func (s *CNState) UpdateLabel(label CNStoreLabel) {
 // UpdateWorkState updates work state of CN store.
 func (s *CNState) UpdateWorkState(state CNWorkState) {
 	if state.GetState() == metadata.WorkState_Unknown {
-		return
+		state.State = metadata.WorkState_Working
 	}
 	storeInfo, ok := s.Stores[state.UUID]
 	// If the CN store does not exist, we should do nothing and wait for
@@ -112,25 +115,22 @@ func (s *CNState) UpdateWorkState(state CNWorkState) {
 	if !ok {
 		return
 	}
-	// If current state is more advanced, do nothing.
-	if storeInfo.WorkState >= state.GetState() {
-		return
-	}
 	storeInfo.WorkState = state.State
 	s.Stores[state.UUID] = storeInfo
 }
 
 // PatchCNStore updates work state and labels of CN store.
 func (s *CNState) PatchCNStore(stateLabel CNStateLabel) {
+	if stateLabel.GetState() == metadata.WorkState_Unknown {
+		stateLabel.State = metadata.WorkState_Working
+	}
 	storeInfo, ok := s.Stores[stateLabel.UUID]
 	// If the CN store does not exist, we should do nothing and wait for
 	// CN heartbeat.
 	if !ok {
 		return
 	}
-	if stateLabel.GetState() > storeInfo.WorkState {
-		storeInfo.WorkState = stateLabel.State
-	}
+	storeInfo.WorkState = stateLabel.State
 	if stateLabel.Labels != nil {
 		storeInfo.Labels = stateLabel.Labels
 	}
diff --git a/pkg/pb/logservice/logservice.pb.go b/pkg/pb/logservice/logservice.pb.go
index 782e7d2f3..d2ab9f7c4 100644
--- a/pkg/pb/logservice/logservice.pb.go
+++ b/pkg/pb/logservice/logservice.pb.go
@@ -888,6 +888,7 @@ type CNStoreHeartbeat struct {
 	Role                 metadata.CNRole `protobuf:"varint,6,opt,name=Role,proto3,enum=metadata.CNRole" json:"Role,omitempty"`
 	TaskServiceCreated   bool            `protobuf:"varint,7,opt,name=TaskServiceCreated,proto3" json:"TaskServiceCreated,omitempty"`
 	QueryAddress         string          `protobuf:"bytes,8,opt,name=QueryAddress,proto3" json:"QueryAddress,omitempty"`
+	InitWorkState        string          `protobuf:"bytes,9,opt,name=InitWorkState,proto3" json:"InitWorkState,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
 	XXX_unrecognized     []byte          `json:"-"`
 	XXX_sizecache        int32           `json:"-"`
@@ -982,6 +983,13 @@ func (m *CNStoreHeartbeat) GetQueryAddress() string {
 	return ""
 }
 
+func (m *CNStoreHeartbeat) GetInitWorkState() string {
+	if m != nil {
+		return m.InitWorkState
+	}
+	return ""
+}
+
 // CNAllocateID is the periodic message sent tp the HAKeeper by CN stores.
 type CNAllocateID struct {
 	Key                  string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
@@ -3873,206 +3881,207 @@ func init() {
 func init() { proto.RegisterFile("logservice.proto", fileDescriptor_fd1040c5381ab5a7) }
 
 var fileDescriptor_fd1040c5381ab5a7 = []byte{
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+	0xd4, 0xb4, 0x4d, 0xdf, 0x76, 0x7d, 0x09, 0x49, 0xd0, 0x68, 0xa1, 0x52, 0x25, 0x20, 0x49, 0xa5,
+	0xec, 0xf5, 0xfa, 0xfd, 0xf7, 0x9d, 0xc1, 0x71, 0x8f, 0x98, 0xa9, 0x8d, 0xb7, 0xb4, 0x6b, 0x74,
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+	0x18, 0x26, 0x76, 0xaa, 0x4f, 0x3f, 0x5b, 0x9b, 0xf9, 0xe4, 0xf3, 0x35, 0xe3, 0xe9, 0xe7, 0x6b,
+	0xc6, 0x9f, 0x3f, 0x5f, 0x33, 0xde, 0xdf, 0x52, 0x3e, 0x31, 0x1f, 0xd8, 0xbe, 0xdb, 0x7b, 0xe2,
+	0xb8, 0xbd, 0x6e, 0x6f, 0x28, 0x07, 0x43, 0x72, 0x67, 0x74, 0xda, 0xbd, 0x33, 0x3a, 0xbe, 0x13,
+	0x56, 0xf4, 0xe3, 0x39, 0xf6, 0x7d, 0xf9, 0xd6, 0xbf, 0x03, 0x00, 0x00, 0xff, 0xff, 0x65, 0xe1,
+	0x60, 0x2b, 0xbe, 0x2e, 0x00, 0x00,
 }
 
 func (m *CNStore) Marshal() (dAtA []byte, err error) {
@@ -4469,6 +4478,13 @@ func (m *CNStoreHeartbeat) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if len(m.InitWorkState) > 0 {
+		i -= len(m.InitWorkState)
+		copy(dAtA[i:], m.InitWorkState)
+		i = encodeVarintLogservice(dAtA, i, uint64(len(m.InitWorkState)))
+		i--
+		dAtA[i] = 0x4a
+	}
 	if len(m.QueryAddress) > 0 {
 		i -= len(m.QueryAddress)
 		copy(dAtA[i:], m.QueryAddress)
@@ -7198,6 +7214,10 @@ func (m *CNStoreHeartbeat) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovLogservice(uint64(l))
 	}
+	l = len(m.InitWorkState)
+	if l > 0 {
+		n += 1 + l + sovLogservice(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -9810,6 +9830,38 @@ func (m *CNStoreHeartbeat) Unmarshal(dAtA []byte) error {
 			}
 			m.QueryAddress = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 9:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field InitWorkState", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowLogservice
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthLogservice
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthLogservice
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.InitWorkState = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipLogservice(dAtA[iNdEx:])
diff --git a/pkg/pb/metadata/metadata.go b/pkg/pb/metadata/metadata.go
index b3b77d631..7163122d7 100644
--- a/pkg/pb/metadata/metadata.go
+++ b/pkg/pb/metadata/metadata.go
@@ -111,3 +111,22 @@ func (m DNService) DebugString() string {
 	buf.WriteString("]")
 	return buf.String()
 }
+
+// ToTitle converts the state string to title-like string.
+func ToTitle(s string) string {
+	if s == "" {
+		return ""
+	}
+	return strings.ToUpper(s[:1]) + strings.ToLower(s[1:])
+}
+
+// ValidStateString returns true if the state string is valid.
+func ValidStateString(s string) bool {
+	title := ToTitle(s)
+	for v := range WorkState_value {
+		if title == v {
+			return true
+		}
+	}
+	return false
+}
diff --git a/proto/logservice.proto b/proto/logservice.proto
index 3ae9cf57e..5a13fdb67 100644
--- a/proto/logservice.proto
+++ b/proto/logservice.proto
@@ -109,6 +109,7 @@ message CNStoreHeartbeat {
   metadata.CNRole Role               = 6;
   bool            TaskServiceCreated = 7;
   string          QueryAddress       = 8;
+  string          InitWorkState      = 9;
 }
 
 


Test patch:
diff --git a/pkg/logservice/hakeeper_client_test.go b/pkg/logservice/hakeeper_client_test.go
index 41fdc3964..63c7599c2 100644
--- a/pkg/logservice/hakeeper_client_test.go
+++ b/pkg/logservice/hakeeper_client_test.go
@@ -553,7 +553,7 @@ func TestHAKeeperClientUpdateCNWorkState(t *testing.T) {
 		require.NoError(t, err)
 		info, ok1 = state.CNState.Stores[s.ID()]
 		assert.True(t, ok1)
-		require.Equal(t, metadata.WorkState_Draining, info.WorkState)
+		require.Equal(t, metadata.WorkState_Working, info.WorkState)
 	}
 	runServiceTest(t, true, true, fn)
 }
@@ -646,7 +646,7 @@ func TestHAKeeperClientPatchCNStore(t *testing.T) {
 		require.NoError(t, err)
 		info, ok1 = state.CNState.Stores[s.ID()]
 		assert.True(t, ok1)
-		require.Equal(t, metadata.WorkState_Draining, info.WorkState)
+		require.Equal(t, metadata.WorkState_Working, info.WorkState)
 		labels1, ok2 = info.Labels["account"]
 		assert.True(t, ok2)
 		assert.Equal(t, labels1.Labels, []string{"a", "b"})
diff --git a/pkg/logservice/store_test.go b/pkg/logservice/store_test.go
index 819873254..cffc7b911 100644
--- a/pkg/logservice/store_test.go
+++ b/pkg/logservice/store_test.go
@@ -783,7 +783,7 @@ func TestUpdateCNWorkState(t *testing.T) {
 		assert.NotEmpty(t, state)
 		info, ok1 = state.CNState.Stores[uuid]
 		assert.True(t, ok1)
-		assert.Equal(t, metadata.WorkState_Draining, info.WorkState)
+		assert.Equal(t, metadata.WorkState_Working, info.WorkState)
 	}
 	runStoreTest(t, fn)
 }
@@ -866,7 +866,7 @@ func TestPatchCNStore(t *testing.T) {
 		assert.NotEmpty(t, state)
 		info, ok1 = state.CNState.Stores[uuid]
 		assert.True(t, ok1)
-		assert.Equal(t, metadata.WorkState_Draining, info.WorkState)
+		assert.Equal(t, metadata.WorkState_Working, info.WorkState)
 		labels1, ok2 = info.Labels["account"]
 		assert.True(t, ok2)
 		assert.Equal(t, labels1.Labels, []string{"a", "b"})
diff --git a/pkg/pb/logservice/logservice_test.go b/pkg/pb/logservice/logservice_test.go
index 82d5efe21..94481bb23 100644
--- a/pkg/pb/logservice/logservice_test.go
+++ b/pkg/pb/logservice/logservice_test.go
@@ -474,7 +474,7 @@ func TestCNWorkStateUpdate(t *testing.T) {
 		Tick:           tick1,
 		ServiceAddress: hb1.ServiceAddress,
 		Role:           metadata.CNRole_AP,
-		WorkState:      metadata.WorkState_Draining,
+		WorkState:      metadata.WorkState_Working,
 		Labels:         map[string]metadata.LabelList{},
 	})
 }
@@ -572,7 +572,7 @@ func TestCNStateLabelPatch(t *testing.T) {
 		Tick:           tick1,
 		ServiceAddress: hb1.ServiceAddress,
 		Role:           metadata.CNRole_AP,
-		WorkState:      metadata.WorkState_Drained,
+		WorkState:      metadata.WorkState_Working,
 		Labels: map[string]metadata.LabelList{
 			"role": {
 				Labels: []string{"r1"},
diff --git a/pkg/pb/metadata/metadata_test.go b/pkg/pb/metadata/metadata_test.go
index 86764bbe2..ae953c245 100644
--- a/pkg/pb/metadata/metadata_test.go
+++ b/pkg/pb/metadata/metadata_test.go
@@ -27,3 +27,23 @@ func TestIsEmptyDN(t *testing.T) {
 	v.ShardID = 1
 	assert.False(t, v.IsEmpty())
 }
+
+func TestValidStateString(t *testing.T) {
+	cases := []struct {
+		s string
+		r bool
+	}{
+		{s: "", r: false},
+		{s: "n", r: false},
+		{s: "no", r: false},
+		{s: "working", r: true},
+		{s: "woRKing", r: true},
+		{s: "draining", r: true},
+		{s: "drainINg", r: true},
+		{s: "drained", r: true},
+		{s: "DRained", r: true},
+	}
+	for _, c := range cases {
+		assert.Equal(t, c.r, ValidStateString(c.s))
+	}
+}