Testing OpenStack upgrades
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tobiko/tobiko/podman/_shell.py

46 lines
1.7 KiB

# 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
from tobiko.podman import _exception
from tobiko.shell import sh
def discover_podman_socket(ssh_client=None, **execute_params):
cmd = "systemctl list-sockets | grep podman | awk '{print $1}'"
result = sh.execute(cmd, 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 _exception.PodmanSocketNotFoundError(details=result.stderr)
try:
socket = result.stdout.splitlines()[0]
except IndexError as ex:
podman_error = _exception.PodmanSocketNotFoundError(
details=result.stderr)
raise podman_error from ex
if '0 sockets listed' in socket:
raise _exception.PodmanSocketNotFoundError(details=socket)
return socket
def is_podman_running(ssh_client=None, **execute_params):
try:
discover_podman_socket(ssh_client=ssh_client, **execute_params)
except _exception.PodmanSocketNotFoundError:
return False
else:
return True