@opentelemetry/otlp-transformer
Version:
Transform OpenTelemetry SDK data into OTLP
103 lines • 4.13 kB
JavaScript
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
import { sdkSpanToOtlpSpan } from './internal';
import { getOtlpEncoder } from '../common';
import { createInstrumentationScope } from '../common/internal';
import { createResource } from '../resource/internal';
export function createExportTraceServiceRequest(spans, options) {
var encoder = getOtlpEncoder(options);
return {
resourceSpans: spanRecordsToResourceSpans(spans, encoder),
};
}
function createResourceMap(readableSpans) {
var e_1, _a;
var resourceMap = new Map();
try {
for (var readableSpans_1 = __values(readableSpans), readableSpans_1_1 = readableSpans_1.next(); !readableSpans_1_1.done; readableSpans_1_1 = readableSpans_1.next()) {
var record = readableSpans_1_1.value;
var ilmMap = resourceMap.get(record.resource);
if (!ilmMap) {
ilmMap = new Map();
resourceMap.set(record.resource, ilmMap);
}
// TODO this is duplicated in basic tracer. Consolidate on a common helper in core
var instrumentationLibraryKey = record.instrumentationLibrary.name + "@" + (record.instrumentationLibrary.version || '') + ":" + (record.instrumentationLibrary.schemaUrl || '');
var records = ilmMap.get(instrumentationLibraryKey);
if (!records) {
records = [];
ilmMap.set(instrumentationLibraryKey, records);
}
records.push(record);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (readableSpans_1_1 && !readableSpans_1_1.done && (_a = readableSpans_1.return)) _a.call(readableSpans_1);
}
finally { if (e_1) throw e_1.error; }
}
return resourceMap;
}
function spanRecordsToResourceSpans(readableSpans, encoder) {
var resourceMap = createResourceMap(readableSpans);
var out = [];
var entryIterator = resourceMap.entries();
var entry = entryIterator.next();
while (!entry.done) {
var _a = __read(entry.value, 2), resource = _a[0], ilmMap = _a[1];
var scopeResourceSpans = [];
var ilmIterator = ilmMap.values();
var ilmEntry = ilmIterator.next();
while (!ilmEntry.done) {
var scopeSpans = ilmEntry.value;
if (scopeSpans.length > 0) {
var spans = scopeSpans.map(function (readableSpan) {
return sdkSpanToOtlpSpan(readableSpan, encoder);
});
scopeResourceSpans.push({
scope: createInstrumentationScope(scopeSpans[0].instrumentationLibrary),
spans: spans,
schemaUrl: scopeSpans[0].instrumentationLibrary.schemaUrl,
});
}
ilmEntry = ilmIterator.next();
}
// TODO SDK types don't provide resource schema URL at this time
var transformedSpans = {
resource: createResource(resource),
scopeSpans: scopeResourceSpans,
schemaUrl: undefined,
};
out.push(transformedSpans);
entry = entryIterator.next();
}
return out;
}
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