69 lines
2.0 KiB
Go
69 lines
2.0 KiB
Go
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package console_exporter
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import (
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"fmt"
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"git.ma-al.com/gora_filip/pkg/console_fmt"
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"git.ma-al.com/gora_filip/pkg/level"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/sdk/trace"
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)
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func NewMultilineFormatter() TraceFormatter {
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return &MultilineFormatter{}
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}
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// A formatter that will print only events using a multiline format with colors.
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// It uses attributes from the [attr] and [semconv] packages.
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type MultilineFormatter struct{}
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func (f *MultilineFormatter) FormatSpanStart(span trace.ReadOnlySpan, selectedAttrs []attribute.KeyValue, lvl level.SeverityLevel) (string, error) {
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attrs := ""
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for _, kv := range selectedAttrs {
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if len(kv.Key) > 0 {
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attrs += fmt.Sprintf("\t%s = %s\n", string(kv.Key), kv.Value.AsString())
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}
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}
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formattedSpanString := fmt.Sprintf(
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"%s\n%s",
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console_fmt.Bold(console_fmt.SeverityLevelToColor(lvl)+fmt.Sprintf("[%s][SpanStart] ", lvl.String())+span.Name()),
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attrs,
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)
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return formattedSpanString, nil
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}
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func (f *MultilineFormatter) FormatSpanEnd(span trace.ReadOnlySpan, selectedAttrs []attribute.KeyValue, lvl level.SeverityLevel) (string, error) {
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attrs := ""
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for _, kv := range selectedAttrs {
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if len(kv.Key) > 0 {
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attrs += fmt.Sprintf("\t%s = %s\n", string(kv.Key), kv.Value.AsString())
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}
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}
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formattedSpanString := fmt.Sprintf(
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"%s\n%s",
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console_fmt.Bold(console_fmt.SeverityLevelToColor(lvl)+fmt.Sprintf("[%s][SpanEnd] ", lvl.String())+span.Name()),
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attrs,
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)
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return formattedSpanString, nil
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}
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func (f *MultilineFormatter) FormatEvent(event trace.Event, selectedAttrs []attribute.KeyValue, lvl level.SeverityLevel) (string, error) {
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attrs := ""
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for _, kv := range selectedAttrs {
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if len(kv.Key) > 0 {
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attrs += fmt.Sprintf("\t%s = %s\n", string(kv.Key), kv.Value.AsString())
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}
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}
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formattedSpanString := fmt.Sprintf(
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"%s\n%s",
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console_fmt.Bold(console_fmt.SeverityLevelToColor(lvl)+fmt.Sprintf("[%s][Event] ", lvl.String())+event.Name),
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attrs,
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)
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return formattedSpanString, nil
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}
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