diff --git a/client/internal/netflow/manager.go b/client/internal/netflow/manager.go index 1e4f44f06..b9068774c 100644 --- a/client/internal/netflow/manager.go +++ b/client/internal/netflow/manager.go @@ -117,7 +117,7 @@ func (m *Manager) Update(update *nftypes.FlowConfig) error { return nil } - log.Tracef("updating flow configuration with new settings: %+v", update) + log.Tracef("updating flow configuration with new settings: url -> %s, interval -> %s, enabled? %t", update.URL, update.Interval, update.Enabled) m.mux.Lock() defer m.mux.Unlock() diff --git a/flow/client/client.go b/flow/client/client.go index b16b28c64..582407ed5 100644 --- a/flow/client/client.go +++ b/flow/client/client.go @@ -6,7 +6,7 @@ import ( "crypto/x509" "errors" "fmt" - "strings" + "net/url" "sync" "time" @@ -31,9 +31,12 @@ type GRPCClient struct { } func NewClient(addr, payload, signature string, interval time.Duration) (*GRPCClient, error) { + parsedURL, err := url.Parse(addr) + if err != nil { + return nil, fmt.Errorf("parsing url: %w", err) + } var opts []grpc.DialOption - - if strings.Contains(addr, "443") { + if parsedURL.Scheme == "https" { certPool, err := x509.SystemCertPool() if err != nil || certPool == nil { log.Debugf("System cert pool not available; falling back to embedded cert, error: %v", err) @@ -58,7 +61,7 @@ func NewClient(addr, payload, signature string, interval time.Duration) (*GRPCCl grpc.WithDefaultServiceConfig(`{"healthCheckConfig": {"serviceName": ""}}`), ) - conn, err := grpc.NewClient(addr, opts...) + conn, err := grpc.NewClient(fmt.Sprintf("%s:%s", parsedURL.Hostname(), parsedURL.Port()), opts...) if err != nil { return nil, fmt.Errorf("creating new grpc client: %w", err) } @@ -100,6 +103,11 @@ func (c *GRPCClient) establishStreamAndReceive(ctx context.Context, msgHandler f return fmt.Errorf("create event stream: %w", err) } + err = stream.Send(&proto.FlowEvent{IsInitiator: true}) + if err != nil { + log.Infof("failed to send initiator message to flow receiver but will attempt to continue. Error: %s", err) + } + if err = checkHeader(stream); err != nil { return fmt.Errorf("check header: %w", err) } diff --git a/flow/proto/flow.pb.go b/flow/proto/flow.pb.go index 8b34b0f62..8ad0708e5 100644 --- a/flow/proto/flow.pb.go +++ b/flow/proto/flow.pb.go @@ -1,7 +1,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: // protoc-gen-go v1.26.0 -// protoc v4.24.3 +// protoc v3.21.9 // source: flow.proto package proto @@ -134,8 +134,9 @@ type FlowEvent struct { // When the event occurred Timestamp *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=timestamp,proto3" json:"timestamp,omitempty"` // Public key of the sending peer - PublicKey []byte `protobuf:"bytes,3,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"` - FlowFields *FlowFields `protobuf:"bytes,4,opt,name=flow_fields,json=flowFields,proto3" json:"flow_fields,omitempty"` + PublicKey []byte `protobuf:"bytes,3,opt,name=public_key,json=publicKey,proto3" json:"public_key,omitempty"` + FlowFields *FlowFields `protobuf:"bytes,4,opt,name=flow_fields,json=flowFields,proto3" json:"flow_fields,omitempty"` + IsInitiator bool `protobuf:"varint,5,opt,name=isInitiator,proto3" json:"isInitiator,omitempty"` } func (x *FlowEvent) Reset() { @@ -198,6 +199,13 @@ func (x *FlowEvent) GetFlowFields() *FlowFields { return nil } +func (x *FlowEvent) GetIsInitiator() bool { + if x != nil { + return x.IsInitiator + } + return false +} + type FlowEventAck struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -563,7 +571,7 @@ var file_flow_proto_rawDesc = []byte{ 0x0a, 0x0a, 0x66, 0x6c, 0x6f, 0x77, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x66, 0x6c, 0x6f, 0x77, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, - 0x6f, 0x74, 0x6f, 0x22, 0xb2, 0x01, 0x0a, 0x09, 0x46, 0x6c, 0x6f, 0x77, 0x45, 0x76, 0x65, 0x6e, + 0x6f, 0x74, 0x6f, 0x22, 0xd4, 0x01, 0x0a, 0x09, 0x46, 0x6c, 0x6f, 0x77, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x12, 0x19, 0x0a, 0x08, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x07, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x49, 0x64, 0x12, 0x38, 0x0a, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x18, 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