Merge pull request 'tracer: improve tracing wrapper' (#240) from trracer into master
Reviewed-on: #240
This commit is contained in:
commit
54b13bbded
@ -2,11 +2,9 @@ package tracer
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import (
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"context"
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"reflect"
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"go.unistack.org/micro/v4/logger"
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"go.unistack.org/micro/v4/options"
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rutil "go.unistack.org/micro/v4/util/reflect"
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)
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type SpanStatus int
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@ -95,41 +93,12 @@ type EventOptions struct {
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Labels []interface{}
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}
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func WithSpanLabels(ls ...interface{}) options.Option {
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return func(src interface{}) error {
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v, err := options.Get(src, ".Labels")
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if err != nil {
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return err
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} else if rutil.IsZero(v) {
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v = reflect.MakeSlice(reflect.TypeOf(v), 0, len(ls)).Interface()
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}
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cv := reflect.ValueOf(v)
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for _, l := range ls {
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reflect.Append(cv, reflect.ValueOf(l))
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}
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err = options.Set(src, cv, ".Labels")
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return err
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}
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func WithEventLabels(labels ...interface{}) options.Option {
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return options.Labels(labels...)
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}
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// EventOption func signature
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type EventOption func(o *EventOptions)
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func WithEventLabels(ls ...interface{}) options.Option {
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return func(src interface{}) error {
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v, err := options.Get(src, ".Labels")
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if err != nil {
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return err
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} else if rutil.IsZero(v) {
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v = reflect.MakeSlice(reflect.TypeOf(v), 0, len(ls)).Interface()
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}
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cv := reflect.ValueOf(v)
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for _, l := range ls {
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reflect.Append(cv, reflect.ValueOf(l))
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}
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err = options.Set(src, cv, ".Labels")
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return err
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}
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func WithSpanLabels(labels ...interface{}) options.Option {
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return options.Labels(labels...)
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}
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func WithSpanKind(k SpanKind) options.Option {
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@ -4,6 +4,7 @@ package wrapper // import "go.unistack.org/micro/v4/tracer/wrapper"
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import (
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"context"
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"fmt"
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"strings"
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"go.unistack.org/micro/v4/client"
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"go.unistack.org/micro/v4/metadata"
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@ -12,13 +13,13 @@ import (
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"go.unistack.org/micro/v4/tracer"
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)
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var DefaultHeadersExctract = []string{metadata.HeaderTopic, metadata.HeaderEndpoint, metadata.HeaderService, metadata.HeaderXRequestID}
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var DefaultHeadersExctract = []string{metadata.HeaderXRequestID}
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func extractLabels(md metadata.Metadata) []string {
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labels := make([]string, 0, 5)
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func ExtractDefaultLabels(md metadata.Metadata) []interface{} {
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labels := make([]interface{}, 0, len(DefaultHeadersExctract))
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for _, k := range DefaultHeadersExctract {
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if v, ok := md.Get(k); ok {
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labels = append(labels, k, v)
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labels = append(labels, strings.ToLower(k), v)
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}
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}
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return labels
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@ -26,10 +27,9 @@ func extractLabels(md metadata.Metadata) []string {
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var (
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DefaultClientCallObserver = func(ctx context.Context, req client.Request, rsp interface{}, opts []options.Option, sp tracer.Span, err error) {
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sp.SetName(fmt.Sprintf("Call %s.%s", req.Service(), req.Method()))
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var labels []interface{}
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if md, ok := metadata.FromOutgoingContext(ctx); ok {
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labels = append(labels, extractLabels(md))
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labels = append(labels, ExtractDefaultLabels(md)...)
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}
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if err != nil {
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sp.SetStatus(tracer.SpanStatusError, err.Error())
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@ -38,10 +38,9 @@ var (
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}
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DefaultClientStreamObserver = func(ctx context.Context, req client.Request, opts []options.Option, stream client.Stream, sp tracer.Span, err error) {
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sp.SetName(fmt.Sprintf("Stream %s.%s", req.Service(), req.Method()))
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var labels []interface{}
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if md, ok := metadata.FromOutgoingContext(ctx); ok {
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labels = append(labels, extractLabels(md))
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labels = append(labels, ExtractDefaultLabels(md)...)
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}
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if err != nil {
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sp.SetStatus(tracer.SpanStatusError, err.Error())
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@ -50,10 +49,9 @@ var (
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}
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DefaultServerHandlerObserver = func(ctx context.Context, req server.Request, rsp interface{}, sp tracer.Span, err error) {
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sp.SetName(fmt.Sprintf("Handler %s.%s", req.Service(), req.Method()))
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var labels []interface{}
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if md, ok := metadata.FromIncomingContext(ctx); ok {
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labels = append(labels, extractLabels(md))
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labels = append(labels, ExtractDefaultLabels(md)...)
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}
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if err != nil {
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sp.SetStatus(tracer.SpanStatusError, err.Error())
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@ -62,10 +60,10 @@ var (
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}
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DefaultClientCallFuncObserver = func(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions, sp tracer.Span, err error) {
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sp.SetName(fmt.Sprintf("Call %s.%s", req.Service(), req.Method()))
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sp.SetName(fmt.Sprintf("%s.%s call", req.Service(), req.Method()))
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var labels []interface{}
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if md, ok := metadata.FromOutgoingContext(ctx); ok {
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labels = append(labels, extractLabels(md))
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labels = append(labels, ExtractDefaultLabels(md)...)
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}
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if err != nil {
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sp.SetStatus(tracer.SpanStatusError, err.Error())
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@ -177,23 +175,22 @@ func (ot *tWrapper) Call(ctx context.Context, req client.Request, rsp interface{
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}
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}
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sp, ok := tracer.SpanFromContext(ctx)
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if !ok {
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ctx, sp = ot.opts.Tracer.Start(ctx, "rpc-client",
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", "unary",
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),
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)
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}
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nctx, sp := ot.opts.Tracer.Start(ctx, fmt.Sprintf("%s.%s rpc-client", req.Service(), req.Method()),
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(
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"rpc.service", req.Service(),
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"rpc.method", req.Method(),
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", "unary",
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),
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)
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defer sp.Finish()
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err := ot.Client.Call(ctx, req, rsp, opts...)
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err := ot.Client.Call(nctx, req, rsp, opts...)
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for _, o := range ot.opts.ClientCallObservers {
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o(ctx, req, rsp, opts, sp, err)
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o(nctx, req, rsp, opts, sp, err)
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}
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return err
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@ -207,23 +204,22 @@ func (ot *tWrapper) Stream(ctx context.Context, req client.Request, opts ...opti
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}
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}
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sp, ok := tracer.SpanFromContext(ctx)
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if !ok {
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ctx, sp = ot.opts.Tracer.Start(ctx, "rpc-client",
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", "stream",
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),
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)
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}
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nctx, sp := ot.opts.Tracer.Start(ctx, fmt.Sprintf("%s.%s rpc-client", req.Service(), req.Method()),
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(
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"rpc.service", req.Service(),
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"rpc.method", req.Method(),
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", "stream",
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),
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)
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defer sp.Finish()
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stream, err := ot.Client.Stream(ctx, req, opts...)
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stream, err := ot.Client.Stream(nctx, req, opts...)
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for _, o := range ot.opts.ClientStreamObservers {
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o(ctx, req, opts, stream, sp, err)
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o(nctx, req, opts, stream, sp, err)
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}
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return stream, err
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@ -242,24 +238,22 @@ func (ot *tWrapper) ServerHandler(ctx context.Context, req server.Request, rsp i
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callType = "stream"
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}
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sp, ok := tracer.SpanFromContext(ctx)
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if !ok {
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ctx, sp = ot.opts.Tracer.Start(ctx, "rpc-server",
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tracer.WithSpanKind(tracer.SpanKindServer),
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tracer.WithSpanLabels(
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", callType,
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),
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)
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}
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nctx, sp := ot.opts.Tracer.Start(ctx, fmt.Sprintf("%s.%s rpc-server", req.Service(), req.Method()),
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tracer.WithSpanKind(tracer.SpanKindServer),
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tracer.WithSpanLabels(
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"rpc.service", req.Service(),
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"rpc.method", req.Method(),
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", callType,
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),
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)
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defer sp.Finish()
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err := ot.serverHandler(ctx, req, rsp)
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err := ot.serverHandler(nctx, req, rsp)
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for _, o := range ot.opts.ServerHandlerObservers {
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o(ctx, req, rsp, sp, err)
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o(nctx, req, rsp, sp, err)
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}
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return err
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@ -297,23 +291,23 @@ func (ot *tWrapper) ClientCallFunc(ctx context.Context, addr string, req client.
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}
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}
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sp, ok := tracer.SpanFromContext(ctx)
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if !ok {
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ctx, sp = ot.opts.Tracer.Start(ctx, "rpc-client",
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", "unary",
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),
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)
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}
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nctx, sp := ot.opts.Tracer.Start(ctx, fmt.Sprintf("%s.%s rpc-client", req.Service(), req.Method()),
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tracer.WithSpanKind(tracer.SpanKindClient),
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tracer.WithSpanLabels(
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"rpc.service", req.Service(),
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"rpc.method", req.Method(),
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"rpc.flavor", "rpc",
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"rpc.call", "/"+req.Service()+"/"+req.Endpoint(),
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"rpc.call_type", "unary",
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),
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)
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defer sp.Finish()
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err := ot.clientCallFunc(ctx, addr, req, rsp, opts)
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err := ot.clientCallFunc(nctx, addr, req, rsp, opts)
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for _, o := range ot.opts.ClientCallFuncObservers {
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o(ctx, addr, req, rsp, opts, sp, err)
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o(nctx, addr, req, rsp, opts, sp, err)
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}
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return err
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