def args_from_node(cls, node, overrides=None, defaults=None):
if overrides is None:
overrides = {}
if defaults is None:
defaults = {}
params = ChainMap(overrides, node, defaults)
return {
'user': params['user'],
'host': params['ip'],
'port': params.get('ssh_port', cls.SSH_PORT),
'pkey': params.get('pkey'),
'key_filename': params.get('key_filename'),
'password': params.get('password'),
'name': params.get('name'),
}
def from_node(cls, node, overrides=None, defaults=None):
if overrides is None:
overrides = {}
if defaults is None:
defaults = {}
params = ChainMap(overrides, node, defaults)
return cls(
user=params['user'],
host=params['ip'],
# paramiko doesn't like None default, requires SSH_PORT default
port=params.get('ssh_port', SSH_PORT),
pkey=params.get('pkey'),
key_filename=params.get('key_filename'),
password=params.get('password'),
name=params.get('name'))