@opentelemetry/sdk-logs
Version:
72 lines • 2.46 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { hrTimeToMicroseconds } from '@opentelemetry/core';
import { ExportResultCode } from '@opentelemetry/core';
/**
* This is implementation of {@link LogRecordExporter} that prints LogRecords to the
* console. This class can be used for diagnostic purposes.
*
* NOTE: This {@link LogRecordExporter} is intended for diagnostics use only, output rendered to the console may change at any time.
*/
/* eslint-disable no-console */
export class ConsoleLogRecordExporter {
/**
* Export logs.
* @param logs
* @param resultCallback
*/
export(logs, resultCallback) {
this._sendLogRecords(logs, resultCallback);
}
/**
* Shutdown the exporter.
*/
shutdown() {
return Promise.resolve();
}
/**
* converts logRecord info into more readable format
* @param logRecord
*/
_exportInfo(logRecord) {
return {
resource: {
attributes: logRecord.resource.attributes,
},
instrumentationScope: logRecord.instrumentationScope,
timestamp: hrTimeToMicroseconds(logRecord.hrTime),
traceId: logRecord.spanContext?.traceId,
spanId: logRecord.spanContext?.spanId,
traceFlags: logRecord.spanContext?.traceFlags,
severityText: logRecord.severityText,
severityNumber: logRecord.severityNumber,
body: logRecord.body,
attributes: logRecord.attributes,
};
}
/**
* Showing logs in console
* @param logRecords
* @param done
*/
_sendLogRecords(logRecords, done) {
for (const logRecord of logRecords) {
console.dir(this._exportInfo(logRecord), { depth: 3 });
}
done?.({ code: ExportResultCode.SUCCESS });
}
}
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