--- a/cloudinit/distros/__init__.py
+++ b/cloudinit/distros/__init__.py
@@ -41,6 +41,7 @@
     'freebsd': ['freebsd'],
     'suse': ['opensuse', 'sles'],
     'arch': ['arch'],
+    'alpine': ['alpine'],
 }
 
 LOG = logging.getLogger(__name__)