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tracing.go
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tracing.go
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/*
* Copyright (C) 2023 Intergral GmbH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package util
import (
"context"
"github.com/weaveworks/common/tracing"
"go.opentelemetry.io/otel/trace"
)
// ExtractTraceID extracts the trace id, if any from the context.
func ExtractTraceID(ctx context.Context) (string, bool) {
// Extract from OpenTracing Jaeger exporter
traceID, ok := tracing.ExtractTraceID(ctx)
if ok {
return traceID, true
}
// Extract from OpenTelemetry
otelSpan := trace.SpanFromContext(ctx)
if otelSpan.SpanContext().HasTraceID() {
return otelSpan.SpanContext().TraceID().String(), true
}
return "", false
}