@opentelemetry/otlp-transformer
Version:
Transform OpenTelemetry SDK data into OTLP
49 lines • 2.13 kB
JavaScript
import { toAttributes } from '../common/internal';
export function sdkSpanToOtlpSpan(span, encoder) {
var _a;
const ctx = span.spanContext();
const status = span.status;
return {
traceId: encoder.encodeSpanContext(ctx.traceId),
spanId: encoder.encodeSpanContext(ctx.spanId),
parentSpanId: encoder.encodeOptionalSpanContext(span.parentSpanId),
traceState: (_a = ctx.traceState) === null || _a === void 0 ? void 0 : _a.serialize(),
name: span.name,
// Span kind is offset by 1 because the API does not define a value for unset
kind: span.kind == null ? 0 : span.kind + 1,
startTimeUnixNano: encoder.encodeHrTime(span.startTime),
endTimeUnixNano: encoder.encodeHrTime(span.endTime),
attributes: toAttributes(span.attributes),
droppedAttributesCount: span.droppedAttributesCount,
events: span.events.map(event => toOtlpSpanEvent(event, encoder)),
droppedEventsCount: span.droppedEventsCount,
status: {
// API and proto enums share the same values
code: status.code,
message: status.message,
},
links: span.links.map(link => toOtlpLink(link, encoder)),
droppedLinksCount: span.droppedLinksCount,
};
}
export function toOtlpLink(link, encoder) {
var _a;
return {
attributes: link.attributes ? toAttributes(link.attributes) : [],
spanId: encoder.encodeSpanContext(link.context.spanId),
traceId: encoder.encodeSpanContext(link.context.traceId),
traceState: (_a = link.context.traceState) === null || _a === void 0 ? void 0 : _a.serialize(),
droppedAttributesCount: link.droppedAttributesCount || 0,
};
}
export function toOtlpSpanEvent(timedEvent, encoder) {
return {
attributes: timedEvent.attributes
? toAttributes(timedEvent.attributes)
: [],
name: timedEvent.name,
timeUnixNano: encoder.encodeHrTime(timedEvent.time),
droppedAttributesCount: timedEvent.droppedAttributesCount || 0,
};
}
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