OpenTelemetry対応をする #17
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Drumato
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Mar 19, 2024
Drumato
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いくつかコメントしたので、そちら確認したうえで現状で良さそうならLGTMです!
convert.go
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| func convert(src io.Reader, q int) (*bytes.Buffer, error) { | ||
| func convert(ctx context.Context, src io.Reader, q int) (*bytes.Buffer, error) { | ||
| var span trace.Span | ||
| ctx, span = tracer.Start(ctx, "convert") |
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https://go.dev/play/p/tmjSLkmiih4
Goはここらへんのシャドウイングをうまくやってくれる(片方が宣言済みで片方が新しくても、 := 演算子を使える)ので、それでもいいかもです!重箱なので無視でもOKです 🙋♀️
trace.go
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| ) | ||
| handleErr(err, "failed to create resource") | ||
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| otelAgentAddr, ok := os.LookupEnv("OTEL_EXPORTER_OTLP_ENDPOINT") |
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これ明示的にやらなくても、ライブラリ内部でうまーくやってくれます!!
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OpenTelemetry対応を行います。全部の関数をトレースはせずに画像取得や変換処理の部分にspanを入れていきます。