Prevent split-brain: Persistent ClusterID and Join Validation (#8022)
* Prevent split-brain: Persistent ClusterID and Join Validation - Persist ClusterId in Raft store to survive restarts. - Validate ClusterId on Raft command application (piggybacked on MaxVolumeId). - Prevent masters with conflicting ClusterIds from joining/operating together. - Update Telemetry to report the persistent ClusterId. * Refine ClusterID validation based on feedback - Improved error message in cluster_commands.go. - Added ClusterId mismatch check in RaftServer.Recovery. * Handle Raft errors and support Hashicorp Raft for ClusterId - Check for errors when persisting ClusterId in legacy Raft. - Implement ClusterId generation and persistence for Hashicorp Raft leader changes. - Ensure consistent error logging. * Refactor ClusterId validation - Centralize ClusterId mismatch check in Topology.SetClusterId. - Simplify MaxVolumeIdCommand.Apply and RaftServer.Recovery to rely on SetClusterId. * Fix goroutine leak and add timeout - Handle channel closure in Hashicorp Raft leader listener. - Add timeout to Raft Apply call to prevent blocking. * Fix deadlock in legacy Raft listener - Wrap ClusterId generation/persistence in a goroutine to avoid blocking the Raft event loop (deadlock). * Rename ClusterId to SystemId - Renamed ClusterId to SystemId across the codebase (protobuf, topology, server, telemetry). - Regenerated telemetry.pb.go with new field. * Rename SystemId to TopologyId - Rename to SystemId was intermediate step. - Final name is TopologyId for the persistent cluster identifier. - Updated protobuf, topology, raft server, master server, and telemetry. * Optimize Hashicorp Raft listener - Integrated TopologyId generation into existing monitorLeaderLoop. - Removed extra goroutine in master_server.go. * Fix optimistic TopologyId update - Removed premature local state update of TopologyId in master_server.go and raft_hashicorp.go. - State is now solely updated via the Raft state machine Apply/Restore methods after consensus. * Add explicit log for recovered TopologyId - Added glog.V(0) info log in RaftServer.Recovery to print the recovered TopologyId on startup. * Add Raft barrier to prevent TopologyId race condition - Implement ensureTopologyId helper method - Send no-op MaxVolumeIdCommand to sync Raft log before checking TopologyId - Ensures persisted TopologyId is recovered before generating new one - Prevents race where generation happens during log replay * Serialize TopologyId generation with mutex - Add topologyIdGenLock mutex to MasterServer struct - Wrap ensureTopologyId method with lock to prevent concurrent generation - Fixes race where event listener and manual leadership check both generate IDs - Second caller waits for first to complete and sees the generated ID * Add TopologyId recovery logging to Apply method - Change log level from V(1) to V(0) for visibility - Log 'Recovered TopologyId' when applying from Raft log - Ensures recovery is visible whether from snapshot or log replay - Matches Recovery() method logging for consistency * Fix Raft barrier timing issue - Add 100ms delay after barrier command to ensure log application completes - Add debug logging to track barrier execution and TopologyId state - Return early if barrier command fails - Prevents TopologyId generation before old logs are fully applied * ensure leader * address comments * address comments * redundant * clean up * double check * refactoring * comment
This commit is contained in:
Chris Lu
@@ -1,17 +1,17 @@
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// Code generated by protoc-gen-go. DO NOT EDIT.
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// versions:
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// protoc-gen-go v1.34.2
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// protoc v5.29.3
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// source: telemetry.proto
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// protoc-gen-go v1.36.6
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// protoc v6.33.1
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// source: telemetry/proto/telemetry.proto
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package proto
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import (
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reflect "reflect"
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sync "sync"
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protoreflect "google.golang.org/protobuf/reflect/protoreflect"
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protoimpl "google.golang.org/protobuf/runtime/protoimpl"
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reflect "reflect"
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sync "sync"
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unsafe "unsafe"
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)
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const (
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@@ -23,12 +23,9 @@ const (
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// TelemetryData represents cluster-level telemetry information
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type TelemetryData struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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unknownFields protoimpl.UnknownFields
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state protoimpl.MessageState `protogen:"open.v1"`
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// Unique cluster identifier (generated in-memory)
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ClusterId string `protobuf:"bytes,1,opt,name=cluster_id,json=clusterId,proto3" json:"cluster_id,omitempty"`
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TopologyId string `protobuf:"bytes,1,opt,name=topology_id,json=topologyId,proto3" json:"topology_id,omitempty"`
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// SeaweedFS version
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Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
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// Operating system (e.g., "linux/amd64")
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@@ -44,16 +41,16 @@ type TelemetryData struct {
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// Number of broker servers in the cluster
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BrokerCount int32 `protobuf:"varint,10,opt,name=broker_count,json=brokerCount,proto3" json:"broker_count,omitempty"`
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// Unix timestamp when the data was collected
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Timestamp int64 `protobuf:"varint,11,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
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Timestamp int64 `protobuf:"varint,11,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
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unknownFields protoimpl.UnknownFields
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sizeCache protoimpl.SizeCache
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}
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func (x *TelemetryData) Reset() {
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*x = TelemetryData{}
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if protoimpl.UnsafeEnabled {
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mi := &file_telemetry_proto_msgTypes[0]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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mi := &file_telemetry_proto_telemetry_proto_msgTypes[0]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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func (x *TelemetryData) String() string {
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@@ -63,8 +60,8 @@ func (x *TelemetryData) String() string {
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func (*TelemetryData) ProtoMessage() {}
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func (x *TelemetryData) ProtoReflect() protoreflect.Message {
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mi := &file_telemetry_proto_msgTypes[0]
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if protoimpl.UnsafeEnabled && x != nil {
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mi := &file_telemetry_proto_telemetry_proto_msgTypes[0]
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if x != nil {
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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if ms.LoadMessageInfo() == nil {
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ms.StoreMessageInfo(mi)
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@@ -76,12 +73,12 @@ func (x *TelemetryData) ProtoReflect() protoreflect.Message {
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// Deprecated: Use TelemetryData.ProtoReflect.Descriptor instead.
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func (*TelemetryData) Descriptor() ([]byte, []int) {
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return file_telemetry_proto_rawDescGZIP(), []int{0}
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return file_telemetry_proto_telemetry_proto_rawDescGZIP(), []int{0}
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}
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func (x *TelemetryData) GetClusterId() string {
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func (x *TelemetryData) GetTopologyId() string {
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if x != nil {
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return x.ClusterId
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return x.TopologyId
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}
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return ""
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}
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@@ -144,20 +141,17 @@ func (x *TelemetryData) GetTimestamp() int64 {
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// TelemetryRequest is sent from SeaweedFS clusters to the telemetry server
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type TelemetryRequest struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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state protoimpl.MessageState `protogen:"open.v1"`
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Data *TelemetryData `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
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unknownFields protoimpl.UnknownFields
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Data *TelemetryData `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
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sizeCache protoimpl.SizeCache
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}
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func (x *TelemetryRequest) Reset() {
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*x = TelemetryRequest{}
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if protoimpl.UnsafeEnabled {
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mi := &file_telemetry_proto_msgTypes[1]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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mi := &file_telemetry_proto_telemetry_proto_msgTypes[1]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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func (x *TelemetryRequest) String() string {
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@@ -167,8 +161,8 @@ func (x *TelemetryRequest) String() string {
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func (*TelemetryRequest) ProtoMessage() {}
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func (x *TelemetryRequest) ProtoReflect() protoreflect.Message {
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mi := &file_telemetry_proto_msgTypes[1]
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if protoimpl.UnsafeEnabled && x != nil {
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mi := &file_telemetry_proto_telemetry_proto_msgTypes[1]
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if x != nil {
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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||||
if ms.LoadMessageInfo() == nil {
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ms.StoreMessageInfo(mi)
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@@ -180,7 +174,7 @@ func (x *TelemetryRequest) ProtoReflect() protoreflect.Message {
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// Deprecated: Use TelemetryRequest.ProtoReflect.Descriptor instead.
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func (*TelemetryRequest) Descriptor() ([]byte, []int) {
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return file_telemetry_proto_rawDescGZIP(), []int{1}
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return file_telemetry_proto_telemetry_proto_rawDescGZIP(), []int{1}
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}
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func (x *TelemetryRequest) GetData() *TelemetryData {
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@@ -192,21 +186,18 @@ func (x *TelemetryRequest) GetData() *TelemetryData {
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// TelemetryResponse is returned by the telemetry server
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type TelemetryResponse struct {
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state protoimpl.MessageState
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sizeCache protoimpl.SizeCache
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state protoimpl.MessageState `protogen:"open.v1"`
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Success bool `protobuf:"varint,1,opt,name=success,proto3" json:"success,omitempty"`
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Message string `protobuf:"bytes,2,opt,name=message,proto3" json:"message,omitempty"`
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unknownFields protoimpl.UnknownFields
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Success bool `protobuf:"varint,1,opt,name=success,proto3" json:"success,omitempty"`
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Message string `protobuf:"bytes,2,opt,name=message,proto3" json:"message,omitempty"`
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sizeCache protoimpl.SizeCache
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}
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func (x *TelemetryResponse) Reset() {
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*x = TelemetryResponse{}
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if protoimpl.UnsafeEnabled {
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mi := &file_telemetry_proto_msgTypes[2]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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mi := &file_telemetry_proto_telemetry_proto_msgTypes[2]
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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ms.StoreMessageInfo(mi)
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}
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func (x *TelemetryResponse) String() string {
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@@ -216,8 +207,8 @@ func (x *TelemetryResponse) String() string {
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func (*TelemetryResponse) ProtoMessage() {}
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func (x *TelemetryResponse) ProtoReflect() protoreflect.Message {
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mi := &file_telemetry_proto_msgTypes[2]
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if protoimpl.UnsafeEnabled && x != nil {
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||||
mi := &file_telemetry_proto_telemetry_proto_msgTypes[2]
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||||
if x != nil {
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ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
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if ms.LoadMessageInfo() == nil {
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ms.StoreMessageInfo(mi)
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@@ -229,7 +220,7 @@ func (x *TelemetryResponse) ProtoReflect() protoreflect.Message {
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// Deprecated: Use TelemetryResponse.ProtoReflect.Descriptor instead.
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func (*TelemetryResponse) Descriptor() ([]byte, []int) {
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return file_telemetry_proto_rawDescGZIP(), []int{2}
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return file_telemetry_proto_telemetry_proto_rawDescGZIP(), []int{2}
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}
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func (x *TelemetryResponse) GetSuccess() bool {
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@@ -246,66 +237,49 @@ func (x *TelemetryResponse) GetMessage() string {
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return ""
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}
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var File_telemetry_proto protoreflect.FileDescriptor
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var File_telemetry_proto_telemetry_proto protoreflect.FileDescriptor
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||||
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||||
var file_telemetry_proto_rawDesc = []byte{
|
||||
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|
||||
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|
||||
}
|
||||
const file_telemetry_proto_telemetry_proto_rawDesc = "" +
|
||||
"\n" +
|
||||
"\x1ftelemetry/proto/telemetry.proto\x12\ttelemetry\"\xd0\x02\n" +
|
||||
"\rTelemetryData\x12\x1f\n" +
|
||||
"\vtopology_id\x18\x01 \x01(\tR\n" +
|
||||
"topologyId\x12\x18\n" +
|
||||
"\aversion\x18\x02 \x01(\tR\aversion\x12\x0e\n" +
|
||||
"\x02os\x18\x03 \x01(\tR\x02os\x12.\n" +
|
||||
"\x13volume_server_count\x18\x06 \x01(\x05R\x11volumeServerCount\x12(\n" +
|
||||
"\x10total_disk_bytes\x18\a \x01(\x04R\x0etotalDiskBytes\x12,\n" +
|
||||
"\x12total_volume_count\x18\b \x01(\x05R\x10totalVolumeCount\x12\x1f\n" +
|
||||
"\vfiler_count\x18\t \x01(\x05R\n" +
|
||||
"filerCount\x12!\n" +
|
||||
"\fbroker_count\x18\n" +
|
||||
" \x01(\x05R\vbrokerCount\x12\x1c\n" +
|
||||
"\ttimestamp\x18\v \x01(\x03R\ttimestampJ\x04\b\x04\x10\x05J\x04\b\x05\x10\x06\"@\n" +
|
||||
"\x10TelemetryRequest\x12,\n" +
|
||||
"\x04data\x18\x01 \x01(\v2\x18.telemetry.TelemetryDataR\x04data\"G\n" +
|
||||
"\x11TelemetryResponse\x12\x18\n" +
|
||||
"\asuccess\x18\x01 \x01(\bR\asuccess\x12\x18\n" +
|
||||
"\amessage\x18\x02 \x01(\tR\amessageB0Z.github.com/seaweedfs/seaweedfs/telemetry/protob\x06proto3"
|
||||
|
||||
var (
|
||||
file_telemetry_proto_rawDescOnce sync.Once
|
||||
file_telemetry_proto_rawDescData = file_telemetry_proto_rawDesc
|
||||
file_telemetry_proto_telemetry_proto_rawDescOnce sync.Once
|
||||
file_telemetry_proto_telemetry_proto_rawDescData []byte
|
||||
)
|
||||
|
||||
func file_telemetry_proto_rawDescGZIP() []byte {
|
||||
file_telemetry_proto_rawDescOnce.Do(func() {
|
||||
file_telemetry_proto_rawDescData = protoimpl.X.CompressGZIP(file_telemetry_proto_rawDescData)
|
||||
func file_telemetry_proto_telemetry_proto_rawDescGZIP() []byte {
|
||||
file_telemetry_proto_telemetry_proto_rawDescOnce.Do(func() {
|
||||
file_telemetry_proto_telemetry_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_telemetry_proto_telemetry_proto_rawDesc), len(file_telemetry_proto_telemetry_proto_rawDesc)))
|
||||
})
|
||||
return file_telemetry_proto_rawDescData
|
||||
return file_telemetry_proto_telemetry_proto_rawDescData
|
||||
}
|
||||
|
||||
var file_telemetry_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
|
||||
var file_telemetry_proto_goTypes = []any{
|
||||
var file_telemetry_proto_telemetry_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
|
||||
var file_telemetry_proto_telemetry_proto_goTypes = []any{
|
||||
(*TelemetryData)(nil), // 0: telemetry.TelemetryData
|
||||
(*TelemetryRequest)(nil), // 1: telemetry.TelemetryRequest
|
||||
(*TelemetryResponse)(nil), // 2: telemetry.TelemetryResponse
|
||||
}
|
||||
var file_telemetry_proto_depIdxs = []int32{
|
||||
var file_telemetry_proto_telemetry_proto_depIdxs = []int32{
|
||||
0, // 0: telemetry.TelemetryRequest.data:type_name -> telemetry.TelemetryData
|
||||
1, // [1:1] is the sub-list for method output_type
|
||||
1, // [1:1] is the sub-list for method input_type
|
||||
@@ -314,65 +288,26 @@ var file_telemetry_proto_depIdxs = []int32{
|
||||
0, // [0:1] is the sub-list for field type_name
|
||||
}
|
||||
|
||||
func init() { file_telemetry_proto_init() }
|
||||
func file_telemetry_proto_init() {
|
||||
if File_telemetry_proto != nil {
|
||||
func init() { file_telemetry_proto_telemetry_proto_init() }
|
||||
func file_telemetry_proto_telemetry_proto_init() {
|
||||
if File_telemetry_proto_telemetry_proto != nil {
|
||||
return
|
||||
}
|
||||
if !protoimpl.UnsafeEnabled {
|
||||
file_telemetry_proto_msgTypes[0].Exporter = func(v any, i int) any {
|
||||
switch v := v.(*TelemetryData); i {
|
||||
case 0:
|
||||
return &v.state
|
||||
case 1:
|
||||
return &v.sizeCache
|
||||
case 2:
|
||||
return &v.unknownFields
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
file_telemetry_proto_msgTypes[1].Exporter = func(v any, i int) any {
|
||||
switch v := v.(*TelemetryRequest); i {
|
||||
case 0:
|
||||
return &v.state
|
||||
case 1:
|
||||
return &v.sizeCache
|
||||
case 2:
|
||||
return &v.unknownFields
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
file_telemetry_proto_msgTypes[2].Exporter = func(v any, i int) any {
|
||||
switch v := v.(*TelemetryResponse); i {
|
||||
case 0:
|
||||
return &v.state
|
||||
case 1:
|
||||
return &v.sizeCache
|
||||
case 2:
|
||||
return &v.unknownFields
|
||||
default:
|
||||
return nil
|
||||
}
|
||||
}
|
||||
}
|
||||
type x struct{}
|
||||
out := protoimpl.TypeBuilder{
|
||||
File: protoimpl.DescBuilder{
|
||||
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
|
||||
RawDescriptor: file_telemetry_proto_rawDesc,
|
||||
RawDescriptor: unsafe.Slice(unsafe.StringData(file_telemetry_proto_telemetry_proto_rawDesc), len(file_telemetry_proto_telemetry_proto_rawDesc)),
|
||||
NumEnums: 0,
|
||||
NumMessages: 3,
|
||||
NumExtensions: 0,
|
||||
NumServices: 0,
|
||||
},
|
||||
GoTypes: file_telemetry_proto_goTypes,
|
||||
DependencyIndexes: file_telemetry_proto_depIdxs,
|
||||
MessageInfos: file_telemetry_proto_msgTypes,
|
||||
GoTypes: file_telemetry_proto_telemetry_proto_goTypes,
|
||||
DependencyIndexes: file_telemetry_proto_telemetry_proto_depIdxs,
|
||||
MessageInfos: file_telemetry_proto_telemetry_proto_msgTypes,
|
||||
}.Build()
|
||||
File_telemetry_proto = out.File
|
||||
file_telemetry_proto_rawDesc = nil
|
||||
file_telemetry_proto_goTypes = nil
|
||||
file_telemetry_proto_depIdxs = nil
|
||||
File_telemetry_proto_telemetry_proto = out.File
|
||||
file_telemetry_proto_telemetry_proto_goTypes = nil
|
||||
file_telemetry_proto_telemetry_proto_depIdxs = nil
|
||||
}
|
||||
|
||||
@@ -7,7 +7,7 @@ option go_package = "github.com/seaweedfs/seaweedfs/telemetry/proto";
|
||||
// TelemetryData represents cluster-level telemetry information
|
||||
message TelemetryData {
|
||||
// Unique cluster identifier (generated in-memory)
|
||||
string cluster_id = 1;
|
||||
string topology_id = 1;
|
||||
|
||||
// SeaweedFS version
|
||||
string version = 2;
|
||||
|
||||
Reference in New Issue
Block a user