Update Traefik to 2.7

Add support for Traefik Hub

Traefik.php

@@ -49,6 +49,11 @@ class Traefik {
    */
   protected $addon_portainer = FALSE;
 
+  /**
+   * @var string
+   */
+  protected $hub_token = '';
+
   /**
    * Traefik constructor.
    *
@@ -82,6 +87,13 @@ class Traefik {
     $this->addon_portainer = $addon_portainer;
   }
 
+  /**
+   * @param string $hub_token
+   */
+  public function setHubToken(string $hub_token): void {
+    $this->hub_token = $hub_token;
+  }
+
   /**
    * Update the Traefik container.
    */
@@ -135,7 +147,7 @@ class Traefik {
       'version' => '3.3',
       'services' => [
         'traefik' => [
-          'image' => 'traefik:2.6',
+          'image' => 'traefik:2.7',
           'command' => [
             '--api=true',
             '--api.dashboard=true',
@@ -202,6 +214,33 @@ class Traefik {
         ],
       ];
     }
+    if ($this->hub_token) {
+      $config['services']['traefik']['command'][] = '--experimental.hub=true';
+      $config['services']['traefik']['command'][] = '--hub.tls.insecure=true';
+      $config['services']['traefik']['command'][] = '--metrics.prometheus.addrouterslabels=true';
+      $config['services']['traefik']['ports'][] = '9900:9900';
+      $config['services']['traefik']['ports'][] = '9901:9901';
+      $config['services']['hub-agent'] = [
+        'image' => 'ghcr.io/traefik/hub-agent-traefik:v0.7.0',
+        'command' => [
+          'run',
+          '--hub.token=' . $this->hub_token,
+          '--auth-server.advertise-url=http://hub-agent',
+          '--traefik.host=traefik',
+          '--traefik.tls.insecure=true',
+        ],
+        'restart' => 'on-failure',
+        'networks' => [
+          'traefik-public',
+        ],
+        'volumes' => [
+          '/var/run/docker.sock:/var/run/docker.sock:ro',
+        ],
+        'depends_on' => [
+          'traefik',
+        ],
+      ];
+    }
     return $config;
   }