@athenna/logger/src/drivers/OtelDriver.js

The Athenna logging solution. Log in stdout, files and buckets.

/**
 * @athenna/logger
 *
 * (c) João Lenon <lenon@athenna.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
import { Driver } from '#src/drivers/Driver';
import { context } from '@opentelemetry/api';
import { logs, SeverityNumber } from '@opentelemetry/api-logs';
export class OtelDriver extends Driver {
    transport(level, message) {
        if (!this.couldBeTransported(level)) {
            return;
        }
        const logger = logs.getLogger('@athenna/logger');
        logger.emit({
            eventName: 'athenna.log',
            severityNumber: this.getSeverityNumber(level),
            severityText: level.toUpperCase(),
            body: this.getBody(level, message),
            attributes: {
                'athenna.log.level': level,
                'athenna.log.stream': this.getStreamTypeFor(level)
            },
            context: context.active()
        });
    }
    getBody(level, message) {
        const formatted = this.format(level, message, true);
        try {
            return JSON.parse(formatted);
        }
        catch {
            return formatted;
        }
    }
    getSeverityNumber(level) {
        const levels = {
            trace: SeverityNumber.TRACE,
            debug: SeverityNumber.DEBUG,
            info: SeverityNumber.INFO,
            success: SeverityNumber.INFO2,
            warn: SeverityNumber.WARN,
            error: SeverityNumber.ERROR,
            fatal: SeverityNumber.FATAL
        };
        return levels[level] || SeverityNumber.INFO;
    }
}