trace

package
v1.3.1 Latest Latest
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Published: Mar 4, 2022 License: MIT Imports: 22 Imported by: 0

Documentation

Index

Constants

View Source
const (
	// GRPCStatusCodeKey is convention for numeric status code of a gRPC request.
	GRPCStatusCodeKey = attribute.Key("rpc.grpc.status_code")
	// RPCNameKey is the name of message transmitted or received.
	RPCNameKey = attribute.Key("name")
	// RPCMessageTypeKey is the type of message transmitted or received.
	RPCMessageTypeKey = attribute.Key("message.type")
	// RPCMessageIDKey is the identifier of message transmitted or received.
	RPCMessageIDKey = attribute.Key("message.id")
	// RPCMessageCompressedSizeKey is the compressed size of the message transmitted or received in bytes.
	RPCMessageCompressedSizeKey = attribute.Key("message.compressed_size")
	// RPCMessageUncompressedSizeKey is the uncompressed size of the message
	// transmitted or received in bytes.
	RPCMessageUncompressedSizeKey = attribute.Key("message.uncompressed_size")
)
View Source
const TraceName = "go-zero"

TraceName represents the tracing name.

Variables

View Source
var (
	// RPCSystemGRPC is the semantic convention for gRPC as the remoting system.
	RPCSystemGRPC = semconv.RPCSystemKey.String("grpc")
	// RPCNameMessage is the semantic convention for a message named message.
	RPCNameMessage = RPCNameKey.String("message")
	// RPCMessageTypeSent is the semantic conventions for sent RPC message types.
	RPCMessageTypeSent = RPCMessageTypeKey.String("SENT")
	// RPCMessageTypeReceived is the semantic conventions for the received RPC message types.
	RPCMessageTypeReceived = RPCMessageTypeKey.String("RECEIVED")
)

Semantic conventions for common RPC attributes.

View Source
var (
	// MessageSent is the type of sent messages.
	MessageSent = messageType(RPCMessageTypeSent)
	// MessageReceived is the type of received messages.
	MessageReceived = messageType(RPCMessageTypeReceived)
)
View Source
var TraceIdKey = http.CanonicalHeaderKey("x-trace-id")

TraceIdKey is the trace id header. https://www.w3.org/TR/trace-context/#trace-id May change it to trace-id afterwards.

Functions

func Extract

Extract extracts the metadata from ctx.

func Inject

func Inject(ctx context.Context, p propagation.TextMapPropagator, metadata *metadata.MD)

Inject injects the metadata into ctx.

func ParseFullMethod

func ParseFullMethod(fullMethod string) (string, []attribute.KeyValue)

ParseFullMethod returns the method name and attributes.

func PeerAttr

func PeerAttr(addr string) []attribute.KeyValue

PeerAttr returns the peer attributes.

func PeerFromCtx

func PeerFromCtx(ctx context.Context) string

PeerFromCtx returns the peer from ctx.

func SpanInfo

func SpanInfo(fullMethod, peerAddress string) (string, []attribute.KeyValue)

SpanInfo returns the span info.

func StartAgent

func StartAgent(c Config)

StartAgent starts a opentelemetry agent.

func StatusCodeAttr

func StatusCodeAttr(c gcodes.Code) attribute.KeyValue

StatusCodeAttr returns an attribute.KeyValue that represents the give c.

Types

type Config

type Config struct {
	Name     string  `json:",optional"`
	Endpoint string  `json:",optional"`
	Sampler  float64 `json:",default=1.0"`
	Batcher  string  `json:",default=jaeger,options=jaeger|zipkin"`
}

A Config is a opentelemetry config.

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