ohbob

Centralized Logging Setup with Grafana Promtail and Loki

This page describes how to setup Grafana Promtail and Loki for sending the contents of local logs to the centralized Grafana Loki server or Grafana Cloud.

Prerequisties

Docker Engine
Docker Compose

	// ============================================================================
	// TYPES & INTERFACES
	// ============================================================================

	type Gender = "masculine" \| "feminine" \| "neutral";

	interface NumberWords {
	ones: string[];
	tens: string[];
	}

	#!/bin/bash

	# --- Defaults ---
	JOB_NAME=""
	NODE_ENV=""
	LOKI_URL="http://localhost:3100"
	LOG_LEVEL="debug"
	COMMAND_ARGS=()
	BUFFER_SIZE=100
	FLUSH_INTERVAL=5

	#!/usr/bin/env python3

	import gi
	gi.require_version("Gtk", "3.0")
	gi.require_version("AppIndicator3", "0.1")
	from gi.repository import Gtk, GLib, AppIndicator3
	import subprocess
	import requests
	import os
	import signal

	const debounce = <T extends (...args: any[]) => any>(
	fn: T,
	delay: number
	): ((...args: Parameters<T>) => void) => {
	let timeoutId: NodeJS.Timeout;

	return (...args) => {
	clearTimeout(timeoutId);
	timeoutId = setTimeout(() => fn(...args), delay);
	};

	{
	"workbench.editor.customLabels.patterns": {
	"**/src/routes/+page.svelte": "Root Page",
	"**/src/routes/+layout.svelte": "Root Layout",
	"**/src/routes/+page.ts": "Root Page Data (Universal)",
	"**/src/routes/+page.server.ts": "Root Page Data (Server)",
	"**/src/routes/+layout.server.ts": "Root Layout Data (Server)",
	"**/src/routes/+layout.ts": "Root Layout Data (Universal)",
	"*/src/routes//**/+page.svelte": "${dirname} - Page",
	"*/src/routes//**/+layout.svelte": "${dirname} - Layout",

	version: '3.0'
	services:
	duplicati:
	image: 'lscr.io/linuxserver/duplicati:latest'
	environment:
	- SERVICE_FQDN_DUPLICATI # Assign a FQDN so I can access it remotely
	- PUID=0 # Important - sets it to access the host file system as root
	- PGID=0 # Important - sets it to access the host file system as root
	- TZ=Europe/London # Change this to your server's timezone
	- CLI_ARGS=

	#!/usr/bin/python

	from urllib.request import Request, urlopen
	import json


	class Discord:
	def __init__(self, webhook: str, botname: str = "April O'Neil",
	avatarurl: str = "https://i.pinimg.com/originals/87/67/11/876711e56a0ef942cbb2f15844235f2e.jpg"):
	self.webhook = webhook

	import requests
	from bs4 import BeautifulSoup


	def download_file(download_url, filename):
	r = requests.get(download_url)
	with open(f"MagPi-{filename}.pdf", "wb") as code:
	print(f"Downloading => {filename} issue")
	code.write(r.content)

	token = "#" # MYBOT TOKEN
	channel = "#" # MY ID

	import requests


	def sendtochannelphoto(_token, _channel, image_path, image_caption=""):
	data = {"chat_id": _channel, "caption": image_caption}
	url = f"https://api.telegram.org/bot{_token}/sendPhoto?" \
	f"chat_id={_channel}"

ohbob

Centralized Logging Setup with Grafana Promtail and Loki

Prerequisties

Setup Grafana Loki