[backend] Create cache directory if not available

beat/web/backend/state.py

@@ -29,6 +29,9 @@
 
 
 import os
+import logging
+logger = logging.getLogger(__name__)
+
 import psutil
 
 from django.conf import settings
@@ -42,9 +45,9 @@ def cache():
     '''Returns a current cache state'''
 
     if not os.path.exists(settings.CACHE_ROOT):
-        mesg = "Cache (%s) does not exist" % settings.CACHE_ROOT
+        os.makedirs(settings.CACHE_ROOT)
+        mesg = "Created cache directory (%s)" % settings.CACHE_ROOT
         logger.info(mesg)
-        raise RuntimeError(mesg)
 
     df = psutil.disk_usage(settings.CACHE_ROOT)
     MB = 1024 * 1024