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Add log exporter.#1126
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rghetia merged 5 commits intocensus-instrumentation:devfrom Apr 23, 2019
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songy23
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Apr 23, 2019
examples/exporter/logexporter.go
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| // limitations under the License. | ||
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| // Package exporter contains a log exporter that supports exporting | ||
| // OpenCensus metrics to a logging framework. |
examples/exporter/logexporter.go
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| "go.opencensus.io/trace" | ||
| ) | ||
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| // LogExporter exports stats to log file |
examples/exporter/logexporter.go
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| // If it is nil then the metrics are logged on console | ||
| MetricsLogFile string | ||
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| //TracesLogFile is path where exported span data are logged. |
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| func printMetricDescriptor(metric *metricdata.Metric) string { | ||
| d := metric.Descriptor | ||
| return fmt.Sprintf("name: %s, type: %s, unit: %s ", |
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I print it as k=v pair in printLabels.
examples/exporter/logexporter.go
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| } | ||
| } | ||
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| // Start starts the metric exporter. |
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it doesn't start trace exporter. For trace it sill requires to register but I don't see why I cannot call registerExporter here. I'll make the change and update the comment.
examples/exporter/logexporter.go
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| return e.ir.Start() | ||
| } | ||
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| // Stop stops the metric exporter. |
| e.ir, _ = metricexport.NewIntervalReader(&metricexport.Reader{}, e) | ||
| }) | ||
| e.ir.ReportingInterval = e.o.ReportingInterval | ||
| return e.ir.Start() |
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Do you need to register this as a trace exporter too?
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I'll register as trace exporter here. see my response to prev comment.
songy23
approved these changes
Apr 23, 2019
examples/exporter/logexporter.go
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| } | ||
| f, err := os.OpenFile(filepath, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0666) | ||
| if err != nil { | ||
| log.Fatalf("error opening file: %v", err) |
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Nit: consider returning err instead of logging it.
rghetia
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Apr 25, 2019
* Add log exporter. * close log files when program terminates. * split stats into multiple lines. * fix review comments. * one more comment.
rghetia
added a commit
that referenced
this pull request
Apr 25, 2019
* Add log exporter. * close log files when program terminates. * split stats into multiple lines. * fix review comments. * one more comment.
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