ironic-python-agent/ironic_python_agent/utils.py

# Copyright 2013 Rackspace, Inc.
#
# 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.

import collections

from ironic_python_agent.openstack.common import gettextutils as gtu
from ironic_python_agent.openstack.common import log as logging
from ironic_python_agent.openstack.common import processutils

LOG = logging.getLogger(__name__)


def get_ordereddict(*args, **kwargs):
    """A fix for py26 not having ordereddict."""
    try:
        return collections.OrderedDict(*args, **kwargs)
    except AttributeError:
        import ordereddict
        return ordereddict.OrderedDict(*args, **kwargs)


def execute(*cmd, **kwargs):
    """Convenience wrapper around oslo's execute() method."""
    result = processutils.execute(*cmd, **kwargs)
    LOG.debug(gtu._('Execution completed, command line is "%s"'),
              ' '.join(cmd))
    LOG.debug(gtu._('Command stdout is: "%s"') % result[0])
    LOG.debug(gtu._('Command stderr is: "%s"') % result[1])
    return result