83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
# Copyright 2017 Citrix Systems
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""The common functions for XenAPI utils
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It contains the common functions used by XenAPI utils."""
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import logging
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import netifaces
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import os
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import subprocess
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from os_xenapi.client import exception
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LOG = logging.getLogger('XenAPI_utils')
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def detailed_execute(*cmd, **kwargs):
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cmd = map(str, cmd)
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_env = kwargs.get('env')
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env_prefix = ''
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if _env:
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env_prefix = ''.join(['%s=%s ' % (k, _env[k]) for k in _env])
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env = dict(os.environ)
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env.update(_env)
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else:
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env = None
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LOG.info(env_prefix + ' '.join(cmd))
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proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, # nosec
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, env=env)
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prompt = kwargs.get('prompt')
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if prompt:
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(out, err) = proc.communicate(prompt)
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else:
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(out, err) = proc.communicate()
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if out:
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# Truncate "\n" if it is the last char
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out = out.strip()
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LOG.debug(out)
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if err:
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LOG.info(err)
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if proc.returncode is not None and proc.returncode != 0:
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if proc.returncode in kwargs.get('allowed_return_codes', [0]):
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LOG.info('Swallowed acceptable return code of %d',
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proc.returncode)
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else:
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LOG.warn('proc.returncode: %s', proc.returncode)
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raise exception.ExecuteCommandFailed(cmd)
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return proc.returncode, out, err
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def execute(*cmd, **kwargs):
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_, out, _ = detailed_execute(*cmd, **kwargs)
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return out
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def get_eth_ipaddr(eth):
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# return eth's IP address.
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return netifaces.ifaddresses(eth).get(netifaces.AF_INET)[0]['addr']
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def get_eth_mac(eth):
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# Get eth's mac address.
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return netifaces.ifaddresses(eth).get(netifaces.AF_LINK)[0]['addr']
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