THT_ENV_DIR = os.path.join(THT_DIR, 'environments')
DEFAULT_OS_VERSION = 'pike'
-DEFAULT_ODL_VERSION = 'carbon'
+DEFAULT_ODL_VERSION = 'nitrogen'
VALID_ODL_VERSIONS = ['carbon', 'nitrogen', 'oxygen', 'master']
PUPPET_ODL_URL = 'https://git.opendaylight.org/gerrit/integration/packaging' \
'/puppet-opendaylight'