1 files changed, 11 insertions, 2 deletions
diff --git a/cloudinit/sources/DataSourceSmartOS.py b/cloudinit/sources/DataSourceSmartOS.py
index 93b8b50b..2813ffb3 100644
--- a/cloudinit/sources/DataSourceSmartOS.py
+++ b/cloudinit/sources/DataSourceSmartOS.py
@@ -46,6 +46,7 @@ SMARTOS_ATTRIB_MAP = {
     'user-data': ('user-data', False),
     'iptables_disable': ('iptables_disable', True),
     'motd_sys_info': ('motd_sys_info', True),
+    'availability_zone': ('region', True),
 }
 
 DS_NAME = 'SmartOS'
@@ -81,8 +82,9 @@ BUILTIN_CLOUD_CONFIG = {
                        'layout': False,
                        'overwrite': False}
          },
-    'fs_setup': [{'label': 'ephemeral0', 'filesystem': 'ext3',
-                  'device': 'ephemeral0', 'partition': 'auto'}],
+    'fs_setup': [{'label': 'ephemeral0',
+                  'filesystem': 'ext3',
+                  'device': 'ephemeral0'}],
 }
 
 
@@ -174,6 +176,13 @@ class DataSourceSmartOS(sources.DataSource):
                           seed_timeout=self.seed_timeout, default=default,
                           b64=b64)
 
+    @property
+    def availability_zone(self):
+        try:
+            return self.metadata['availability-zone']
+        except KeyError:
+            return None
+
 
 def get_serial(seed_device, seed_timeout):
     """This is replaced in unit testing, allowing us to replace