Removes files from //build that we don't need

build/android/install_emulator_deps.py

-#!/usr/bin/env python
-# Copyright (c) 2013 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.
-
-"""Installs deps for using SDK emulator for testing.
-
-The script will download the SDK and system images, if they are not present, and
-install and enable KVM, if virtualization has been enabled in the BIOS.
-"""
-
-
-import logging
-import optparse
-import os
-import re
-import shutil
-import sys
-
-from pylib import cmd_helper
-from pylib import constants
-from pylib import pexpect
-from pylib.utils import run_tests_helper
-
-# Android API level
-DEFAULT_ANDROID_API_LEVEL = constants.ANDROID_SDK_VERSION
-
-# From the Android Developer's website.
-# Keep this up to date; the user can install older API levels as necessary.
-SDK_BASE_URL = 'http://dl.google.com/android/adt'
-SDK_ZIP = 'adt-bundle-linux-x86_64-20131030.zip'
-
-# pylint: disable=line-too-long
-# Android x86 system image from the Intel website:
-# http://software.intel.com/en-us/articles/intel-eula-x86-android-4-2-jelly-bean-bin
-# These don't exist prior to Android-15.
-# As of 08 Nov 2013, Android-19 is not yet available either.
-X86_IMG_URLS = {
-  15: 'https://software.intel.com/sites/landingpage/android/sysimg_x86-15_r01.zip',
-  16: 'https://software.intel.com/sites/landingpage/android/sysimg_x86-16_r01.zip',
-  17: 'https://software.intel.com/sites/landingpage/android/sysimg_x86-17_r01.zip',
-  18: 'https://software.intel.com/sites/landingpage/android/sysimg_x86-18_r01.zip',
-  19: 'https://software.intel.com/sites/landingpage/android/sysimg_x86-19_r01.zip'}
-#pylint: enable=line-too-long
-
-def CheckSDK():
-  """Check if SDK is already installed.
-
-  Returns:
-    True if the emulator SDK directory (src/android_emulator_sdk/) exists.
-  """
-  return os.path.exists(constants.EMULATOR_SDK_ROOT)
-
-
-def CheckSDKPlatform(api_level=DEFAULT_ANDROID_API_LEVEL):
-  """Check if the "SDK Platform" for the specified API level is installed.
-     This is necessary in order for the emulator to run when the target
-     is specified.
-
-  Args:
-    api_level: the Android API level to check; defaults to the latest API.
-
-  Returns:
-    True if the platform is already installed.
-  """
-  android_binary = os.path.join(constants.EMULATOR_SDK_ROOT,
-                                'sdk', 'tools', 'android')
-  pattern = re.compile('id: [0-9]+ or "android-%d"' % api_level)
-  try:
-    exit_code, stdout = cmd_helper.GetCmdStatusAndOutput(
-        [android_binary, 'list'])
-    if exit_code != 0:
-      raise Exception('\'android list\' command failed')
-    for line in stdout.split('\n'):
-      if pattern.match(line):
-        return True
-    return False
-  except OSError:
-    logging.exception('Unable to execute \'android list\'')
-    return False
-
-
-def CheckX86Image(api_level=DEFAULT_ANDROID_API_LEVEL):
-  """Check if Android system images have been installed.
-
-  Args:
-    api_level: the Android API level to check for; defaults to the latest API.
-
-  Returns:
-    True if sdk/system-images/android-<api_level>/x86 exists inside
-    EMULATOR_SDK_ROOT.
-  """
-  api_target = 'android-%d' % api_level
-  return os.path.exists(os.path.join(constants.EMULATOR_SDK_ROOT,
-                                     'sdk', 'system-images',
-                                     api_target, 'x86'))
-
-
-def CheckKVM():
-  """Quickly check whether KVM is enabled.
-
-  Returns:
-    True iff /dev/kvm exists (Linux only).
-  """
-  return os.path.exists('/dev/kvm')
-
-
-def RunKvmOk():
-  """Run kvm-ok as root to check that KVM is properly enabled after installation
-     of the required packages.
-
-  Returns:
-    True iff KVM is enabled (/dev/kvm exists). On failure, returns False
-    but also print detailed information explaining why KVM isn't enabled
-    (e.g. CPU doesn't support it, or BIOS disabled it).
-  """
-  try:
-    # Note: kvm-ok is in /usr/sbin, so always use 'sudo' to run it.
-    return not cmd_helper.RunCmd(['sudo', 'kvm-ok'])
-  except OSError:
-    logging.info('kvm-ok not installed')
-    return False
-
-
-def GetSDK():
-  """Download the SDK and unzip it into EMULATOR_SDK_ROOT."""
-  logging.info('Download Android SDK.')
-  sdk_url = '%s/%s' % (SDK_BASE_URL, SDK_ZIP)
-  try:
-    cmd_helper.RunCmd(['curl', '-o', '/tmp/sdk.zip', sdk_url])
-    print 'curled unzipping...'
-    rc = cmd_helper.RunCmd(['unzip', '-o', '/tmp/sdk.zip', '-d', '/tmp/'])
-    if rc:
-      raise Exception('ERROR: could not download/unzip Android SDK.')
-    # Get the name of the sub-directory that everything will be extracted to.
-    dirname, _ = os.path.splitext(SDK_ZIP)
-    zip_dir = '/tmp/%s' % dirname
-    # Move the extracted directory to EMULATOR_SDK_ROOT
-    shutil.move(zip_dir, constants.EMULATOR_SDK_ROOT)
-  finally:
-    os.unlink('/tmp/sdk.zip')
-
-
-def InstallKVM():
-  """Installs KVM packages."""
-  rc = cmd_helper.RunCmd(['sudo', 'apt-get', 'install', 'kvm'])
-  if rc:
-    logging.critical('ERROR: Did not install KVM. Make sure hardware '
-                     'virtualization is enabled in BIOS (i.e. Intel VT-x or '
-                     'AMD SVM).')
-  # TODO(navabi): Use modprobe kvm-amd on AMD processors.
-  rc = cmd_helper.RunCmd(['sudo', 'modprobe', 'kvm-intel'])
-  if rc:
-    logging.critical('ERROR: Did not add KVM module to Linux Kernel. Make sure '
-                     'hardware virtualization is enabled in BIOS.')
-  # Now check to ensure KVM acceleration can be used.
-  if not RunKvmOk():
-    logging.critical('ERROR: Can not use KVM acceleration. Make sure hardware '
-                     'virtualization is enabled in BIOS (i.e. Intel VT-x or '
-                     'AMD SVM).')
-
-
-def GetX86Image(api_level=DEFAULT_ANDROID_API_LEVEL):
-  """Download x86 system image from Intel's website.
-
-  Args:
-    api_level: the Android API level to download for.
-  """
-  logging.info('Download x86 system image directory into sdk directory.')
-  # TODO(andrewhayden): Use python tempfile lib instead
-  temp_file = '/tmp/x86_img_android-%d.zip' % api_level
-  if api_level not in X86_IMG_URLS:
-    raise Exception('ERROR: no URL known for x86 image for android-%s' %
-                    api_level)
-  try:
-    cmd_helper.RunCmd(['curl', '-o', temp_file, X86_IMG_URLS[api_level]])
-    rc = cmd_helper.RunCmd(['unzip', '-o', temp_file, '-d', '/tmp/'])
-    if rc:
-      raise Exception('ERROR: Could not download/unzip image zip.')
-    api_target = 'android-%d' % api_level
-    sys_imgs = os.path.join(constants.EMULATOR_SDK_ROOT, 'sdk',
-                            'system-images', api_target, 'x86')
-    logging.info('Deploying system image to %s' % sys_imgs)
-    shutil.move('/tmp/x86', sys_imgs)
-  finally:
-    os.unlink(temp_file)
-
-
-def GetSDKPlatform(api_level=DEFAULT_ANDROID_API_LEVEL):
-  """Update the SDK to include the platform specified.
-
-  Args:
-    api_level: the Android API level to download
-  """
-  android_binary = os.path.join(constants.EMULATOR_SDK_ROOT,
-                                'sdk', 'tools', 'android')
-  pattern = re.compile(
-      r'\s*([0-9]+)- SDK Platform Android [\.,0-9]+, API %d.*' % api_level)
-  # Example:
-  #   2- SDK Platform Android 4.3, API 18, revision 2
-  exit_code, stdout = cmd_helper.GetCmdStatusAndOutput(
-      [android_binary, 'list', 'sdk'])
-  if exit_code != 0:
-    raise Exception('\'android list sdk\' command return %d' % exit_code)
-  for line in stdout.split('\n'):
-    match = pattern.match(line)
-    if match:
-      index = match.group(1)
-      print 'package %s corresponds to platform level %d' % (index, api_level)
-      # update sdk --no-ui --filter $INDEX
-      update_command = [android_binary,
-                        'update', 'sdk', '--no-ui', '--filter', index]
-      update_command_str = ' '.join(update_command)
-      logging.info('running update command: %s' % update_command_str)
-      update_process = pexpect.spawn(update_command_str)
-      # TODO(andrewhayden): Do we need to bug the user about this?
-      if update_process.expect('Do you accept the license') != 0:
-        raise Exception('License agreement check failed')
-      update_process.sendline('y')
-      if update_process.expect('Done. 1 package installed.') == 0:
-        print 'Successfully installed platform for API level %d' % api_level
-        return
-      else:
-        raise Exception('Failed to install platform update')
-  raise Exception('Could not find android-%d update for the SDK!' % api_level)
-
-
-def main(argv):
-  opt_parser = optparse.OptionParser(
-      description='Install dependencies for running the Android emulator')
-  opt_parser.add_option('--api-level', dest='api_level',
-      help='The API level (e.g., 19 for Android 4.4) to ensure is available',
-      type='int', default=DEFAULT_ANDROID_API_LEVEL)
-  opt_parser.add_option('-v', dest='verbose', action='store_true',
-      help='enable verbose logging')
-  options, _ = opt_parser.parse_args(argv[1:])
-
-  # run_tests_helper will set logging to INFO or DEBUG
-  # We achieve verbose output by configuring it with 2 (==DEBUG)
-  verbosity = 1
-  if options.verbose:
-    verbosity = 2
-  logging.basicConfig(level=logging.INFO,
-                      format='# %(asctime)-15s: %(message)s')
-  run_tests_helper.SetLogLevel(verbose_count=verbosity)
-
-  # Calls below will download emulator SDK and/or system images only if needed.
-  if CheckSDK():
-    logging.info('android_emulator_sdk/ already exists, skipping download.')
-  else:
-    GetSDK()
-
-  # Check target. The target has to be installed in order to run the emulator.
-  if CheckSDKPlatform(options.api_level):
-    logging.info('SDK platform android-%d already present, skipping.' %
-                 options.api_level)
-  else:
-    logging.info('SDK platform android-%d not present, installing.' %
-                 options.api_level)
-    GetSDKPlatform(options.api_level)
-
-  # Download the x86 system image only if needed.
-  if CheckX86Image(options.api_level):
-    logging.info('x86 image for android-%d already present, skipping.' %
-                 options.api_level)
-  else:
-    GetX86Image(options.api_level)
-
-  # Make sure KVM packages are installed and enabled.
-  if CheckKVM():
-    logging.info('KVM already installed and enabled.')
-  else:
-    InstallKVM()
-
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))