67 lines
2.0 KiB
JavaScript
67 lines
2.0 KiB
JavaScript
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const { config, format, loggers, transports } = require('winston');
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const { LoggingWinston } = require('@google-cloud/logging-winston');
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const { DateTime } = require('luxon');
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const colors = {
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emerg: 'inverse underline magenta',
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alert: 'underline magenta',
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crit: 'inverse underline red', // Any error that is forcing a shutdown of the service or application to prevent data loss.
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error: 'underline red', // Any error which is fatal to the operation, but not the service or application
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warning: 'underline yellow', // Anything that can potentially cause application oddities
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notice: 'underline cyan', // Normal but significant condition
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info: 'underline green', // Generally useful information to log
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debug: 'underline gray',
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};
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const googleConfigs = {
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level: 'info',
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logName: 'logger',
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levels: config.syslog.levels,
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resource: {
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labels: {
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function_name: process.env.FUNCTION_TARGET,
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project_id: process.env.GCP_PROJECT,
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},
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type: 'cloud_function',
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},
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};
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function localConfig(id) {
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return {
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level: 'debug',
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format: format.combine(
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format.colorize({ all: true, colors }),
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format(info =>
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Object.assign(info, {
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timestamp: DateTime.local().toLocaleString(DateTime.TIME_24_WITH_SECONDS),
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}),
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)(),
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format.printf(info => {
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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const { timestamp, message, level, ...meta } = info;
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return `[${id}@${info.timestamp}] ${info.message}${
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Object.keys(meta).length ? '\n' + JSON.stringify(meta, null, 4) : ''
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}`;
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}),
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),
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};
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}
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function buildLoggerTransport(id, options) {
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return process.env.IS_LOCAL
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? new transports.Console(localConfig(id))
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: new LoggingWinston({ ...googleConfigs, ...{ logName: id }, ...options });
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}
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function buildLogger(id, options) {
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return loggers.get(id, {
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levels: config.syslog.levels,
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transports: [buildLoggerTransport(id, options)],
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});
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}
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module.exports = {
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buildLogger,
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}
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