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https://github.com/ARM-software/devlib.git
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ed135febde
As of commit 5601fdb1085af2eccf16a84b48c9995699bb8489 the `connected_as_root` status is tracked in the connection. Add missing implementation to `LocalConnection`.
119 lines
4.4 KiB
Python
119 lines
4.4 KiB
Python
# Copyright 2015-2017 ARM Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from glob import iglob
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import os
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import signal
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import shutil
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import subprocess
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import logging
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from distutils.dir_util import copy_tree
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from getpass import getpass
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from pipes import quote
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from devlib.exception import TargetTransientError, TargetStableError
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from devlib.utils.misc import check_output
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PACKAGE_BIN_DIRECTORY = os.path.join(os.path.dirname(__file__), 'bin')
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# pylint: disable=redefined-outer-name
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def kill_children(pid, signal=signal.SIGKILL):
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with open('/proc/{0}/task/{0}/children'.format(pid), 'r') as fd:
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for cpid in map(int, fd.read().strip().split()):
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kill_children(cpid, signal)
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os.kill(cpid, signal)
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class LocalConnection(object):
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name = 'local'
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@property
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def connected_as_root(self):
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if self._connected_as_root is None:
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result = self.execute('id', as_root=False)
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self._connected_as_root = 'uid=0(' in result
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return self._connected_as_root
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@connected_as_root.setter
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def connected_as_root(self, state):
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self._connected_as_root = state
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# pylint: disable=unused-argument
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def __init__(self, platform=None, keep_password=True, unrooted=False,
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password=None, timeout=None):
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self._connected_as_root = None
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self.logger = logging.getLogger('local_connection')
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self.keep_password = keep_password
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self.unrooted = unrooted
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self.password = password
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def push(self, source, dest, timeout=None, as_root=False): # pylint: disable=unused-argument
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self.logger.debug('cp {} {}'.format(source, dest))
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shutil.copy(source, dest)
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def pull(self, source, dest, timeout=None, as_root=False): # pylint: disable=unused-argument
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self.logger.debug('cp {} {}'.format(source, dest))
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if ('*' in source or '?' in source) and os.path.isdir(dest):
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# Pull all files matching a wildcard expression
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for each_source in iglob(source):
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shutil.copy(each_source, dest)
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else:
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if os.path.isdir(source):
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# Use distutils to allow copying into an existing directory structure.
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copy_tree(source, dest)
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else:
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shutil.copy(source, dest)
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# pylint: disable=unused-argument
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def execute(self, command, timeout=None, check_exit_code=True,
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as_root=False, strip_colors=True, will_succeed=False):
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self.logger.debug(command)
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if as_root and not self.connected_as_root:
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if self.unrooted:
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raise TargetStableError('unrooted')
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password = self._get_password()
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command = 'echo {} | sudo -S -- sh -c '.format(quote(password)) + quote(command)
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ignore = None if check_exit_code else 'all'
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try:
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return check_output(command, shell=True, timeout=timeout, ignore=ignore)[0]
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except subprocess.CalledProcessError as e:
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message = 'Got exit code {}\nfrom: {}\nOUTPUT: {}'.format(
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e.returncode, command, e.output)
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if will_succeed:
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raise TargetTransientError(message)
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else:
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raise TargetStableError(message)
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def background(self, command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, as_root=False):
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if as_root and not self.connected_as_root:
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if self.unrooted:
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raise TargetStableError('unrooted')
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password = self._get_password()
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command = 'echo {} | sudo -S '.format(quote(password)) + command
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return subprocess.Popen(command, stdout=stdout, stderr=stderr, shell=True)
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def close(self):
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pass
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def cancel_running_command(self):
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pass
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def _get_password(self):
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if self.password:
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return self.password
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password = getpass('sudo password:')
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if self.keep_password:
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self.password = password
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return password
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