tobiko/tobiko/shell/sh/_hostname.py

38 lines
1.3 KiB
Python

# Copyright (c) 2019 Red Hat, Inc.
#
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import socket
import tobiko
from tobiko.shell.sh import _execute
class HostnameError(tobiko.TobikoException):
message = "Unable to get hostname from host: {error}"
def get_hostname(ssh_client=None, **execute_params):
if ssh_client is False:
return socket.gethostname()
else:
result = _execute.execute('hostname', stdin=False, stdout=True,
stderr=True, expect_exit_status=None,
ssh_client=ssh_client, **execute_params)
if result.exit_status or not result.stdout:
raise HostnameError(error=result.stderr)
return result.stdout.splitlines()[0].strip()