53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
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package serialize
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import (
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"context"
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"fmt"
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"testing"
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"time"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/codes"
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)
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func TestOpenTelemetry(t *testing.T) {
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shutdown := InitOpenTelemetry()
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defer shutdown()
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for i := 0; i < 10; i++ {
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ctx := context.Background()
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parentMethod(ctx)
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}
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time.Sleep(10 * time.Second)
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}
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func parentMethod(ctx context.Context) {
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tracer := otel.Tracer("otel-go-tracer")
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ctx, span := tracer.Start(ctx, "parent span")
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fmt.Println(span.SpanContext().TraceID()) // 打印 TraceId
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span.SetAttributes(attribute.String("key", "哈哈哈"))
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span.SetStatus(codes.Ok, "Success")
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childMethod(ctx)
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span.End()
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}
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func childMethod(ctx context.Context) {
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tracer := otel.Tracer("otel-go-tracer")
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ctx, span := tracer.Start(ctx, "child span")
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span.SetStatus(codes.Ok, "Success")
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grandChildMethod(ctx)
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span.End()
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}
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func grandChildMethod(ctx context.Context) {
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tracer := otel.Tracer("otel-go-tracer")
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ctx, span := tracer.Start(ctx, "grandchild span")
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span.SetStatus(codes.Error, "error")
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// 业务代码...
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span.End()
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}
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