opentelemetry-js/experimental/examples/logs/index.ts

47 lines
1.4 KiB
TypeScript

/*
* 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 { DiagConsoleLogger, DiagLogLevel, diag } from '@opentelemetry/api';
import { logs, SeverityNumber } from '@opentelemetry/api-logs';
import {
LoggerProvider,
ConsoleLogRecordExporter,
SimpleLogRecordProcessor,
} from '@opentelemetry/sdk-logs';
// Optional and only needed to see the internal diagnostic logging (during development)
diag.setLogger(new DiagConsoleLogger(), DiagLogLevel.DEBUG);
const loggerProvider = new LoggerProvider({
processors: [
new SimpleLogRecordProcessor(
new ConsoleLogRecordExporter()
)
],
});
logs.setGlobalLoggerProvider(loggerProvider);
const logger = logs.getLogger('example', '1.0.0');
// emit a log record
logger.emit({
severityNumber: SeverityNumber.INFO,
severityText: 'INFO',
body: 'this is a log record body',
attributes: { 'log.type': 'custom' },
});