bundles/zfs: introduce zfs-snapshot-backups, enable backups for nodes which need zfs-snapshot-backups

bundles/postgresql/metadata.py

@@ -2,9 +2,6 @@ defaults = {
     'backups': {
         'paths': {
             '/var/lib/postgresql',
-
-            # FIXME
-            '/var/tmp/postgresdumps',
         },
     },
     'bash_functions': {
@@ -66,9 +63,8 @@ if node.has_bundle('zfs'):
             },
         },
     }
-# FIXME
-#else:
-#    defaults['backups']['paths'].add('/var/tmp/postgresdumps')
+else:
+    defaults['backups']['paths'].add('/var/tmp/postgresdumps')
 
 
 @metadata_reactor.provides(