Remove pyauto tests.

chrome/test/pyautolib/chromeos/suid_actions.py

-#!/usr/bin/env python
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Helper script to perform actions as a super-user on ChromeOS.
-
-Needs to be run with superuser privileges, typically using the
-suid_python binary.
-
-Usage:
-  sudo python suid_actions.py --action=CleanFlimflamDirs
-"""
-
-import optparse
-import os
-import shutil
-import subprocess
-import sys
-import time
-
-sys.path.append('/usr/local')  # to import autotest libs.
-from autotest.cros import constants
-from autotest.cros import cryptohome
-
-TEMP_BACKCHANNEL_FILE = '/tmp/pyauto_network_backchannel_file'
-
-
-class SuidAction(object):
-  """Helper to perform some super-user actions on ChromeOS."""
-
-  def _ParseArgs(self):
-    parser = optparse.OptionParser()
-    parser.add_option(
-        '-a', '--action', help='Action to perform.')
-    self._options = parser.parse_args()[0]
-    if not self._options.action:
-      raise RuntimeError('No action specified.')
-
-  def Run(self):
-    self._ParseArgs()
-    assert os.geteuid() == 0, 'Needs superuser privileges.'
-    handler = getattr(self, self._options.action)
-    assert handler and callable(handler), \
-        'No handler for %s' % self._options.action
-    handler()
-    return 0
-
-  ## Actions ##
-  def CleanFlimflamDirs(self):
-    """Clean the contents of all connection manager (shill/flimflam) profiles.
-    """
-    flimflam_dirs = ['/home/chronos/user/flimflam',
-                     '/home/chronos/user/shill',
-                     '/var/cache/flimflam',
-                     '/var/cache/shill']
-
-    # The stop/start flimflam command should stop/start shill respectivly if
-    # enabled.
-    os.system('stop flimflam')
-    try:
-      for flimflam_dir in flimflam_dirs:
-        if not os.path.exists(flimflam_dir):
-          continue
-        for item in os.listdir(flimflam_dir):
-          path = os.path.join(flimflam_dir, item)
-          if os.path.isdir(path):
-            shutil.rmtree(path)
-          else:
-            os.remove(path)
-    finally:
-      os.system('start flimflam')
-      # TODO(stanleyw): crosbug.com/29421 This method should wait until
-      # flimflam/shill is fully initialized and accessible via DBus again.
-      # Otherwise, there is a race conditions and subsequent accesses to
-      # flimflam/shill may fail. Until this is fixed, waiting for the
-      # resolv.conf file to be created is better than nothing.
-      begin = time.time()
-      while not os.path.exists(constants.RESOLV_CONF_FILE):
-        if time.time() - begin > 10:
-          raise RuntimeError('Timeout while waiting for flimflam/shill start.')
-        time.sleep(.25)
-
-  def RemoveAllCryptohomeVaults(self):
-    """Remove any existing cryptohome vaults."""
-    cryptohome.remove_all_vaults()
-
-  def _GetEthInterfaces(self):
-    """Returns a list of the eth* interfaces detected by the device."""
-    # Assumes ethernet interfaces all have "eth" in the name.
-    import pyudev
-    return sorted([iface.sys_name for iface in
-                   pyudev.Context().list_devices(subsystem='net')
-                   if 'eth' in iface.sys_name])
-
-  def _Renameif(self, old_iface, new_iface, mac_address):
-    """Renames the interface with mac_address from old_iface to new_iface.
-
-    Args:
-      old_iface: The name of the interface you want to change.
-      new_iface: The name of the interface you want to change to.
-      mac_address:  The mac address of the interface being changed.
-    """
-    subprocess.call(['stop', 'flimflam'])
-    subprocess.call(['ifconfig', old_iface, 'down'])
-    subprocess.call(['nameif', new_iface, mac_address])
-    subprocess.call(['ifconfig', new_iface, 'up'])
-    subprocess.call(['start', 'flimflam'])
-
-    # Check and make sure interfaces have been renamed
-    eth_ifaces = self._GetEthInterfaces()
-    if new_iface not in eth_ifaces:
-      raise RuntimeError('Interface %s was not renamed to %s' %
-                         (old_iface, new_iface))
-    elif old_iface in eth_ifaces:
-      raise RuntimeError('Old iface %s is still present' % old_iface)
-
-  def SetupBackchannel(self):
-    """Renames the connected ethernet interface to eth_test for offline mode
-       testing.  Does nothing if no connected interface is found.
-    """
-    # Return the interface with ethernet connected or returns if none found.
-    for iface in self._GetEthInterfaces():
-      with open('/sys/class/net/%s/operstate' % iface, 'r') as fp:
-        if 'up' in fp.read():
-          eth_iface = iface
-          break
-    else:
-      return
-
-    # Write backup file to be used by TeardownBackchannel to restore the
-    # interface names.
-    with open(TEMP_BACKCHANNEL_FILE, 'w') as fpw:
-      with open('/sys/class/net/%s/address' % eth_iface) as fp:
-        mac_address = fp.read().strip()
-        fpw.write('%s, %s' % (eth_iface, mac_address))
-
-    self._Renameif(eth_iface, 'eth_test', mac_address)
-
-  def TeardownBackchannel(self):
-    """Restores the eth interface names if SetupBackchannel was called."""
-    if not os.path.isfile(TEMP_BACKCHANNEL_FILE):
-      return
-
-    with open(TEMP_BACKCHANNEL_FILE, 'r') as fp:
-      eth_iface, mac_address = fp.read().split(',')
-
-    self._Renameif('eth_test', eth_iface, mac_address)
-    os.remove(TEMP_BACKCHANNEL_FILE)
-
-
-if __name__ == '__main__':
-  sys.exit(SuidAction().Run())