check-url: Add check-secure parameter to return success in case of code 401

slapos/recipe/check_url_available/__init__.py

@@ -37,6 +37,7 @@ class Recipe(GenericBaseRecipe):
       'url': self.options['url'],
       'shell_path': self.options['dash_path'],
       'curl_path': self.options['curl_path'],
+      'check_secure': self.options.get('check-secure', 0)
     }
 
     # XXX-Cedric in this script, curl won't check certificate

slapos/recipe/check_url_available/template/check_url.in

@@ -31,6 +31,13 @@ if [ $CODE -eq 000 ]; then
   exit 1
 fi
 
+if [ %(check_secure)s -eq 1 ]; then
+  if [ $CODE -eq 401 ]; then
+    echo "$URL is protected (returned $CODE)." >&2
+    exit 0
+  fi
+fi
+
 if ! [ $CODE -eq 200 ]; then
   echo "$URL is not available (returned $CODE)." >&2
   exit 2