'Create or import keypair.
Sending name will generate a key and return private_key
and fingerprint.
You can send a public_key to add an existing ssh key.
params: keypair object with:
name (required) - string
public_key (optional) - string'

@wsgi.Controller.api_version('2.1', '2.1')
@extensions.expected_errors((400, 403, 409))
@validation.schema(keypairs.create_v20, '2.0', '2.0')
@validation.schema(keypairs.create, '2.1', '2.1')
def create(self, req, body):

    return self._create(req, body)
