Package exporter contains a log exporter that supports exporting OpenCensus metrics and spans to a logging framework.



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    type LogExporter

    type LogExporter struct {
    	// contains filtered or unexported fields

      LogExporter exports metrics and span to log file

      func NewLogExporter

      func NewLogExporter(options Options) (*LogExporter, error)

        NewLogExporter creates new log exporter.

        func (*LogExporter) Close

        func (e *LogExporter) Close()

          Close closes any files that were opened for logging.

          func (*LogExporter) ExportMetrics

          func (e *LogExporter) ExportMetrics(ctx context.Context, metrics []*metricdata.Metric) error

            ExportMetrics exports to log.

            func (*LogExporter) ExportSpan

            func (e *LogExporter) ExportSpan(sd *trace.SpanData)

              ExportSpan exports a SpanData to log

              func (*LogExporter) Start

              func (e *LogExporter) Start() error

                Start starts the metric and span data exporter.

                func (*LogExporter) Stop

                func (e *LogExporter) Stop()

                  Stop stops the metric and span data exporter.

                  type Options

                  type Options struct {
                  	// ReportingInterval is a time interval between two successive metrics
                  	// export.
                  	ReportingInterval time.Duration
                  	// MetricsLogFile is path where exported metrics are logged.
                  	// If it is nil then the metrics are logged on console
                  	MetricsLogFile string
                  	// TracesLogFile is path where exported span data are logged.
                  	// If it is nil then the span data are logged on console
                  	TracesLogFile string

                    Options provides options for LogExporter

                    type PrintExporter

                    type PrintExporter struct{}

                      PrintExporter is a stats and trace exporter that logs the exported data to the console.

                      The intent is help new users familiarize themselves with the capabilities of opencensus.

                      This should NOT be used for production workloads.

                      func (*PrintExporter) ExportSpan

                      func (e *PrintExporter) ExportSpan(vd *trace.SpanData)

                        ExportSpan logs the trace span.

                        func (*PrintExporter) ExportView

                        func (e *PrintExporter) ExportView(vd *view.Data)

                          ExportView logs the view data.