Varnish: initalize = [] + purgeAll()

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [1.3.7] - 2018-07-10
+### Added
+- Varnish: `headers` config option 
+- Varnish: purgeAll() 
+
 ## [1.3.6] - 2018-06-18
 ### Changed
 - DB fallback: Schema - changed `url` field from `varchar(255) to `text` to allow longer urls

composer.json

@@ -2,7 +2,7 @@
   "name": "ostark/upper",
   "description": "A cache plugin for Craft - supporting multiple Edge Caches",
   "type": "craft-plugin",
-  "version": "1.3.6",
+  "version": "1.3.7",
   "keywords": [
     "craft",
     "cms",

src/config.example.php

@@ -24,7 +24,7 @@
             'tagHeaderName'   => 'XKEY',
             'purgeHeaderName' => 'XKEY-PURGE',
             'purgeUrl'        => getenv('VARNISH_URL') ?: 'http://127.0.0.1:80/',
-            'headers'         => ['Host' => getenv('VARNISH_HOST')]
+            'headers'         => getenv('VARNISH_HOST') ? ['Host' => getenv('VARNISH_HOST')] : []
         ],
 
         // Fastly config

src/drivers/Varnish.php

@@ -22,7 +22,7 @@ class Varnish extends AbstractPurger implements CachePurgeInterface
     /**
      * @var array
      */
-    public $headers;
+    public $headers = [];
 
     /**
      * @param string $tag
@@ -65,11 +65,31 @@ public function purgeUrls(array $urls)
 
     }
 
+
+    /**
+     * Purge entire cache
+     *
+     * Requires a custom vcl config
+     *
+     * @see https://varnish-cache.org/docs/6.0/users-guide/purging.html#bans
+     *
+     * @return bool
+     */
     public function purgeAll()
     {
-        // TODO: Implement purgeAll() method.
+        $options = [
+            'base_uri' => $this->purgeUrl,
+            'headers'  => $this->headers
+        ];
+
+        $response = (new Client($options))->request('BAN');
+
+        return (in_array($response->getStatusCode(), [204, 200]))
+            ? true
+            : false;
     }
 
+
     protected function sendPurgeRequest(array $options = [])
     {
         $response = (new Client($options))->request('PURGE');