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99 lines
2.4 KiB
99 lines
2.4 KiB
package zipkin
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import (
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"fmt"
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"time"
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protogen "github.com/go-kratos/kratos/pkg/net/trace/proto"
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"github.com/openzipkin/zipkin-go/model"
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"github.com/openzipkin/zipkin-go/reporter"
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"github.com/openzipkin/zipkin-go/reporter/http"
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"github.com/go-kratos/kratos/pkg/net/trace"
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)
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type report struct {
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rpt reporter.Reporter
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}
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func newReport(c *Config) *report {
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return &report{
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rpt: http.NewReporter(c.Endpoint,
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http.Timeout(time.Duration(c.Timeout)),
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http.BatchSize(c.BatchSize),
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),
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}
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}
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// WriteSpan write a trace span to queue.
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func (r *report) WriteSpan(raw *trace.Span) (err error) {
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ctx := raw.Context()
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traceID := model.TraceID{Low: ctx.TraceID}
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spanID := model.ID(ctx.SpanID)
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parentID := model.ID(ctx.ParentID)
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tags := raw.Tags()
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span := model.SpanModel{
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SpanContext: model.SpanContext{
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TraceID: traceID,
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ID: spanID,
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ParentID: &parentID,
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},
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Name: raw.OperationName(),
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Timestamp: raw.StartTime(),
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Duration: raw.Duration(),
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Tags: make(map[string]string, len(tags)),
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}
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span.LocalEndpoint = &model.Endpoint{ServiceName: raw.ServiceName()}
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for _, tag := range tags {
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switch tag.Key {
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case trace.TagSpanKind:
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switch tag.Value.(string) {
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case "client":
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span.Kind = model.Client
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case "server":
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span.Kind = model.Server
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case "producer":
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span.Kind = model.Producer
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case "consumer":
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span.Kind = model.Consumer
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}
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default:
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v, ok := tag.Value.(string)
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if ok {
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span.Tags[tag.Key] = v
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} else {
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span.Tags[tag.Key] = fmt.Sprint(v)
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}
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}
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}
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//log save to zipkin annotation
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span.Annotations = r.converLogsToAnnotations(raw.Logs())
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r.rpt.Send(span)
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return
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}
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func (r *report) converLogsToAnnotations(logs []*protogen.Log) (annotations []model.Annotation) {
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annotations = make([]model.Annotation, 0, len(annotations))
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for _, lg := range logs {
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annotations = append(annotations, r.converLogToAnnotation(lg)...)
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}
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return annotations
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}
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func (r *report) converLogToAnnotation(log *protogen.Log) (annotations []model.Annotation) {
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annotations = make([]model.Annotation, 0, len(log.Fields))
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for _, field := range log.Fields {
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val := string(field.Value)
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annotation := model.Annotation{
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Timestamp: time.Unix(0, log.Timestamp),
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Value: field.Key + " : " + val,
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}
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annotations = append(annotations, annotation)
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}
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return annotations
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}
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// Close close the report.
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func (r *report) Close() error {
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return r.rpt.Close()
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}
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