openstack: use 16.04 for teuthology VM

Signed-off-by: Nathan Cutler <ncutler@suse.com>

diff --git a/teuthology/openstack/__init__.py b/teuthology/openstack/__init__.py
index f5969da75607d07a02acf1e0e74f3f95676f6e1b..bd55baeab1daac0dbb1a27fcf875a4223b1cc309 100644 (file)
--- a/teuthology/openstack/__init__.py
+++ b/teuthology/openstack/__init__.py
@@ -1046,7 +1046,7 @@ openstack security group rule create --proto udp --dst-port 16000:65535 teutholo
         arch = self.get_default_arch()
         self.run(
             "server create " +
-            " --image '" + self.image('ubuntu', '14.04', arch) + "' " +
+            " --image '" + self.image('ubuntu', '16.04', arch) + "' " +
             " --flavor '" + self.flavor(arch) + "' " +
             " " + self.net() +
             " --key-name " + self.args.key_name +