mirror of https://github.com/docker/cli.git
44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
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package oc
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import (
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"github.com/sirupsen/logrus"
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"go.opencensus.io/trace"
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)
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var _ = (trace.Exporter)(&LogrusExporter{})
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// LogrusExporter is an OpenCensus `trace.Exporter` that exports
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// `trace.SpanData` to logrus output.
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type LogrusExporter struct {
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}
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// ExportSpan exports `s` based on the the following rules:
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//
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// 1. All output will contain `s.Attributes`, `s.TraceID`, `s.SpanID`,
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// `s.ParentSpanID` for correlation
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//
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// 2. Any calls to .Annotate will not be supported.
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//
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// 3. The span itself will be written at `logrus.InfoLevel` unless
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// `s.Status.Code != 0` in which case it will be written at `logrus.ErrorLevel`
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// providing `s.Status.Message` as the error value.
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func (le *LogrusExporter) ExportSpan(s *trace.SpanData) {
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// Combine all span annotations with traceID, spanID, parentSpanID
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baseEntry := logrus.WithFields(logrus.Fields(s.Attributes))
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baseEntry.Data["traceID"] = s.TraceID.String()
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baseEntry.Data["spanID"] = s.SpanID.String()
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baseEntry.Data["parentSpanID"] = s.ParentSpanID.String()
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baseEntry.Data["startTime"] = s.StartTime
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baseEntry.Data["endTime"] = s.EndTime
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baseEntry.Data["duration"] = s.EndTime.Sub(s.StartTime).String()
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baseEntry.Data["name"] = s.Name
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baseEntry.Time = s.StartTime
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level := logrus.InfoLevel
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if s.Status.Code != 0 {
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level = logrus.ErrorLevel
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baseEntry.Data[logrus.ErrorKey] = s.Status.Message
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}
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baseEntry.Log(level, "Span")
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}
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