Files
go-zero/core/opentelemetry/message.go
neosu 5b35fa17de add the opentelemetry tracing (#908)
* add the opentelemetry tracing

* fix the error sampler config

* 添加stream的链路跟踪

* fix the error field name
2021-08-22 10:03:56 +08:00

35 lines
891 B
Go

package opentelemetry
import (
"context"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"google.golang.org/protobuf/proto"
)
var (
MessageSent = messageType(RPCMessageTypeSent)
MessageReceived = messageType(RPCMessageTypeReceived)
)
type messageType attribute.KeyValue
// Event adds an event of the messageType to the span associated with the
// passed context with id and size (if message is a proto message).
func (m messageType) Event(ctx context.Context, id int, message interface{}) {
span := trace.SpanFromContext(ctx)
if p, ok := message.(proto.Message); ok {
span.AddEvent("message", trace.WithAttributes(
attribute.KeyValue(m),
RPCMessageIDKey.Int(id),
RPCMessageUncompressedSizeKey.Int(proto.Size(p)),
))
} else {
span.AddEvent("message", trace.WithAttributes(
attribute.KeyValue(m),
RPCMessageIDKey.Int(id),
))
}
}