Added multiple backend support, better monitor config & more improvements

config.inc.php

@@ -1,16 +1,55 @@
 <?php
 
 $config = [
-	"uptime_kuma_url" => "http://uptime-kuma.local:3001",
-	"pages" => [
-		"public",
-		"second"
-	],
-	"monitor_options" => [
-		4 => ["rich" => true]
-	],
-	"enable_twig_cache" => true,
-	"default_language" => "en",
-	"timezone" => "Etc/UTC"
-];
 
+	/**
+	 * Uptime Kuma backends
+	 * - URL addresses of backends
+	 */
+	"backends" => [
+		"http://uptime-kuma1.local:3001", // KUMA_ID = 0
+		"http://uptime-kuma2.local:3001"  // KUMA_ID = 1
+	],
+
+	/**
+	 * Status pages
+	 * - all available pages and their backends
+	 * - when passing an array, other backends are used as failovers
+	 */
+	"pages" => [
+		"public" => 0, // first defined page is visible on the home page
+		"second" => [0, 1] // other pages are displayed on their own subpages based on their slug (eg. /second)
+	],
+
+	/**
+	 * Monitor options
+	 * - the key must be in one of formats below (MON_ID = monitor ID, KUMA_ID = backend ID, PAGE = page)
+	 * 	 - MON_ID
+	 *   - KUMA_ID:MON_ID
+	 *   - PAGE/MON_ID
+	 *   - PAGE/KUMA_ID:MON_ID
+	 * - available options are listed below
+	 *   - heartbeats: boolean
+	 */
+	"monitor_options" => [
+		"4" => ["heartbeats" => true],
+		"second/1" => ["heartbeats" => true],
+		"public/0:2" => ["heartbeats" => true]
+	],
+
+	/**
+	 * Enable twig caching for better performance
+	 */
+	"enable_twig_cache" => true,
+
+	/**
+	 * Default language code
+	 */
+	"default_language" => "en",
+
+	/**
+	 * Timezone of displayed date
+	 */
+	"timezone" => "Etc/UTC"
+
+];

controller/Config.php

@@ -0,0 +1,23 @@
+<?php namespace UptimeStatus;
+
+use Exception;
+
+class Config {
+
+	private static array $config;
+
+	public static function set(array $config): void {
+		self::$config = $config;
+	}
+
+	public static function get(string $key, mixed $default = null): mixed {
+		if (array_key_exists($key, self::$config)) {
+			return self::$config[$key];
+		}
+		if ($default !== null) {
+			return $default;
+		}
+		throw new Exception("Missing config key '$key'!");
+	}
+
+}

controller/Filters.php

@@ -10,14 +10,14 @@ class Filters {
 			return 2;
 		});
 	}
-	
+
 	public static function statusicon() {
 		return new \Twig\TwigFilter('statusicon', function (int $status, string $suffix = "svg") {
 			$icons = ["error", "success", "warning", "maintenance"];
 			return "/icon/{$icons[$status]}.$suffix";
 		});
 	}
-	
+
 	public static function statuscolor() {
 		return new \Twig\TwigFilter('statuscolor', function (int $status) {
 			return ["#F87171", "#10B981", "#FFBB6D", "#9575cd"][$status];

controller/Router.php

@@ -2,12 +2,6 @@
 
 class Router {
 
-	private Status $status;
-
-	public function __construct($config) {
-		$this->status = new Status($config);
-	}
-
 	public function get_path(): string {
 		$url = $_SERVER["REQUEST_URI"];
 		$parsed_url = parse_url($url);
@@ -21,14 +15,15 @@ class Router {
 		return $path;
 	}
 
-	public function get_page($path) {
-		$pages = $this->status->cfg("pages");
-		foreach ($pages as $page) {
+	public function get_page($path): string {
+		$pages = Config::get("pages");
+		$slugs = array_keys($pages);
+		foreach ($slugs as $page) {
 			if ($path == $page) {
 				return $page;
 			}
 		}
-		return $pages[0];
+		return $slugs[0];
 	}
 
 	public function render() {
@@ -36,10 +31,20 @@ class Router {
 		$path = $this->get_path();
 		$slug = $this->get_page($path);
 
-		$page = $this->status->get_page($slug);
-		if (!$page) die("Failed to load data!");
-		
-		$this->status->display($page);
+		$backend_ids = Config::get("pages")[$slug];
+
+		if (!is_array($backend_ids)) $backend_ids = [$backend_ids];
+
+		$status = null;
+		foreach ($backend_ids as $bid) {
+			$status = new Status($bid, $slug);
+			$page = $status->get_page();
+			if ($page) {
+				$status->display();
+				return;
+			}
+		}
+		echo "Failed to load data!";
 
 	}
 

controller/Status.php

@@ -4,29 +4,29 @@ use UptimeStatus\Model\Page;
 
 class Status {
 
-	private array $config;
+	readonly int $backend_id;
 
-	public function __construct(array $config) {
-		$this->config = $config;
+	readonly string $slug;
+
+	public ?Page $page = null;
+
+	public function __construct(int $backend_id, string $slug) {
+		$this->backend_id = $backend_id;
+		$this->slug = $slug;
 	}
 
-	public function cfg($name) {
-		if(array_key_exists($name, $this->config)) {
-			return $this->config[$name];
-		}
-		return null;
+	public function get_page(): ?Page {
+		$this->page = Page::get($this, $this->backend_id, $this->slug);
+		return $this->page;
 	}
 
-	public function get_page(string $page): ?Page {
-		return Page::get($this, $page);
-	}
+	public function display(): void {
 
-	public function display(Page $page) {
-
-		$data = $page->export();
+		if ($this->page == null) return;
+		$data = $this->page->export();
 
 		$twig_config = [];
-		if ($this->cfg("enable_twig_cache")) $twig_config["cache"] = "../cache/twig/";
+		if (Config::get("enable_twig_cache")) $twig_config["cache"] = "../cache/twig/";
 
 		$loader = new \Twig\Loader\FilesystemLoader("../view/");
 		$twig = new \Twig\Environment($loader, $twig_config);
@@ -35,12 +35,12 @@ class Status {
 		$twig->addFilter(Filters::statusicon());
 		$twig->addFilter(Filters::statuscolor());
 
-		$locale = new Locale($this->cfg("default_language"));
+		$locale = new Locale(Config::get("default_language"));
 		$twig->addFilter($locale->t());
 
 		$ext = $twig->getExtension(\Twig\Extension\CoreExtension::class);
 		$ext->setDateFormat($locale->get("dateformat"));
-		$ext->setTimezone($this->cfg("timezone"));
+		$ext->setTimezone(Config::get("timezone"));
 
 		echo $twig->render('index.twig', $data);
 

lang/cs.json

@@ -10,6 +10,6 @@
 	"status.2": "Problém",
 	"status.3": "Údržba",
 	"heartbeat.ping": "Odezva: {{ping}}ms",
-	"dateformat": "j. m. Y G:i",
+	"dateformat": "j. n. Y G:i",
 	"footer.poweredby": "Poháněno projektem <b><a href=\"{{link}}\" target=\"_blank\">Uptime Status</a></b>"
 }

model/Monitor.php

@@ -1,5 +1,6 @@
 <?php namespace UptimeStatus\Model;
 
+use UptimeStatus\Config;
 use UptimeStatus\Status;
 
 class Monitor {
@@ -25,8 +26,10 @@ class Monitor {
 	public static function convert(Status $s, array $oldMonitor, array $heartbeat): Monitor {
 
 		$id = $oldMonitor["id"];
-		$opts = $s->cfg("monitor_options") ?? [];
-		$opt = $opts[$id] ?? [];
+		$opts = Config::get("monitor_options", []);
+		$bid = $s->backend_id;
+		$page = $s->slug;
+		$opt = $opts["$page/$bid:$id"] ?? $opts["$page/$id"] ?? $opts["$bid:$id"] ?? $opts[$id] ?? [];
 
 		$heartbeats = [];
 		foreach ($heartbeat["heartbeatList"][$id] as $beat) {

model/Page.php

@@ -1,5 +1,6 @@
 <?php namespace UptimeStatus\Model;
 
+use UptimeStatus\Config;
 use UptimeStatus\Status;
 
 class Page {
@@ -32,12 +33,12 @@ class Page {
 		];
 	}
 
-	public static function get(Status $s, string $page): ?Page {
+	public static function get(Status $s, int $backend_id, string $page): ?Page {
 
-		$url = $s->cfg("uptime_kuma_url");
+		$backend = Config::get("backends")[$backend_id];
 		$urls = [
-			$url . "/api/status-page/" . $page,
-			$url . "/api/status-page/heartbeat/" . $page
+			$backend . "/api/status-page/" . $page,
+			$backend . "/api/status-page/heartbeat/" . $page
 		];
 
 		[$oldPage, $heartbeat] = Page::download($urls);
@@ -60,6 +61,7 @@ class Page {
 			$ch = curl_init();
 			curl_setopt($ch, CURLOPT_URL, $url);
 			curl_setopt($ch, CURLOPT_HEADER, 0);
+			curl_setopt($ch, CURLOPT_TIMEOUT, 5);
 			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 			curl_multi_add_handle($mh, $ch);
 			array_push($chs, $ch);

public/index.php

@@ -1,8 +1,11 @@
 <?php
 
+use UptimeStatus\Config;
+use UptimeStatus\Router;
+
 require("../vendor/autoload.php");
 require("../config.inc.php");
 
-$router = new UptimeStatus\Router($config);
-
+Config::set($config);
+$router = new Router();
 $router->render();

public/style.css

@@ -30,6 +30,7 @@ html, body {
 
 * {
 	box-sizing: border-box;
+	text-wrap: balance;
 }
 
 :is(header, section, footer) > .inner {

view/monitor.twig

@@ -9,7 +9,7 @@
 			{{ "monitor.uptime" | t({pct: (monitor.uptime * 100) | number_format(1, '.')}) | raw }}
 		</div>
 	</div>
-	{% if monitor.opt.rich %}
+	{% if monitor.opt.heartbeats %}
 		{{ include("./heartbeats.twig") }}
 	{% endif %}
 </div>