@fdm-monster/server/dist/handlers/logging/loki-logging.transport.js

FDM Monster is a bulk OctoPrint, Klipper, PrusaLink and BambuLab manager to set up, configure and monitor 3D printers. Our aim is to provide neat overview over your farm.

import { AppConstants } from "../../server.constants.js";
import { z } from "zod";
import winston from "winston";
import process from "node:process";
import LokiTransport from "winston-loki";
//#region src/handlers/logging/loki-logging.transport.ts
const lokiValidationSchema = z.object({
	lokiEnabled: z.boolean(),
	lokiAddress: z.string().url(),
	lokiTimeoutSeconds: z.coerce.number().positive().default(30),
	lokiInterval: z.coerce.number().positive().default(15)
});
function createLokiLoggingTransport(options) {
	const lokiConfigValidationResult = lokiValidationSchema.safeParse({
		lokiEnabled: process.env[AppConstants.ENABLE_LOKI_LOGGING] === "true",
		lokiTimeoutSeconds: process.env[AppConstants.LOKI_TIMEOUT_SECONDS],
		lokiAddress: process.env[AppConstants.LOKI_ADDRESS],
		lokiInterval: process.env[AppConstants.LOKI_INTERVAL]
	});
	if (!lokiConfigValidationResult.success || !lokiConfigValidationResult.data.lokiEnabled) return;
	return new LokiTransport({
		level: options.logLevel ?? "info",
		host: lokiConfigValidationResult.data.lokiAddress,
		interval: lokiConfigValidationResult.data.lokiInterval,
		timeout: lokiConfigValidationResult.data.lokiTimeoutSeconds,
		handleExceptions: true,
		onConnectionError(error) {
			console.debug(`Loki logger enabled, but connection failed. ${error}`);
		},
		labels: { app: "fdm-monster-server" },
		json: false,
		useWinstonMetaAsLabels: false,
		format: winston.format.json()
	});
}
//#endregion
export { createLokiLoggingTransport };

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