app: uncouple pool setup from loading initial configuration

And ensure that setup is called on every type of these pools, not just
lvm_thin.

qubes/app.py

@@ -21,6 +21,7 @@
 #
 
 import collections
+import copy
 import errno
 import functools
 import grp
@@ -1064,15 +1065,20 @@ def load_initial_values(self):
         }
         assert max(self.labels.keys()) == qubes.config.max_default_label
 
+        pool_configs = copy.deepcopy(qubes.config.defaults['pool_configs'])
+
         root_volume_group, root_thin_pool = \
             qubes.storage.DirectoryThinPool.thin_pool('/')
-
         if root_thin_pool:
-            self.add_pool(
-                volume_group=root_volume_group, thin_pool=root_thin_pool,
-                name='lvm', driver='lvm_thin')
-        # pool based on /var/lib/qubes will be created here:
-        for name, config in qubes.config.defaults['pool_configs'].items():
+            lvm_config = {
+                'name': 'lvm',
+                'driver': 'lvm_thin',
+                'volume_group': root_volume_group,
+                'thin_pool': root_thin_pool
+            }
+            pool_configs[lvm_config['name']] = lvm_config
+
+        for name, config in pool_configs.items():
             self.pools[name] = self._get_pool(**config)
 
         self.default_pool_kernel = 'linux-kernel'
@@ -1170,6 +1176,11 @@ def get_label(self, label):
 
         raise KeyError(label)
 
+    def setup_pools(self):
+        """ Run implementation specific setup for each storage pool. """
+        for pool in self.pools.values():
+            pool.setup()
+
     def add_pool(self, name, **kwargs):
         """ Add a storage pool to config."""
 

qubes/tests/api_admin.py

@@ -60,6 +60,7 @@ def setUp(self):
         app = qubes.Qubes('/tmp/qubes-test.xml', load=False)
         app.vmm = unittest.mock.Mock(spec=qubes.app.VMMConnection)
         app.load_initial_values()
+        app.setup_pools()
         app.default_kernel = '1.0'
         app.default_netvm = None
         self.template = app.add_new_vm('TemplateVM', label='black',

qubes/tools/qubes_create.py

@@ -38,7 +38,7 @@ def main(args=None):
 
     args = parser.parse_args(args)
     qubes.Qubes.create_empty_store(args.app,
-        offline_mode=args.offline_mode)
+        offline_mode=args.offline_mode).setup_pools()
     return 0