Merge autotest and autotest.py into one script

src/scripts/autotest

-#!/bin/bash
+#!/usr/bin/python
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
-
-# This script is a shell wrapper of autotest.py inside a chroot environment.
-# Note you should/could not directly call autotest.py within the same directory.
-
-. "$(dirname $0)/common.sh"
-
-# Script must be run inside the chroot
-assert_inside_chroot
-
-SSH_KEY=$(dirname $0)/mod_for_test_scripts/ssh_keys/testing_rsa
-chmod 400 ${SSH_KEY}
-export GCLIENT_ROOT
-python $(dirname $0)/autotest.py $@ || die "autotest failed."
-
+#
+# A python wrapper to call autotest ebuild.
+
+import commands, logging, optparse, os, subprocess, sys
+
+
+def run(cmd):
+  return subprocess.call(cmd, stdout=sys.stdout, stderr=sys.stderr)
+
+
+class MyOptionPaser(optparse.OptionParser):
+  """Override python's builtin OptionParser to accept any undefined args."""
+
+  help = False
+
+  def _process_args(self, largs, rargs, values):
+    # see /usr/lib64/python2.6/optparse.py line 1414-1463
+    while rargs:
+      arg = rargs[0]
+      # We handle bare "--" explicitly, and bare "-" is handled by the
+      # standard arg handler since the short arg case ensures that the
+      # len of the opt string is greater than 1.
+      if arg == "--":
+        del rargs[0]
+        return
+      elif arg[0:2] == "--":
+        # process a single long option (possibly with value(s))
+        try:
+          self._process_long_opt(rargs, values)
+        except optparse.BadOptionError:
+          largs.append(arg)
+      elif arg[:1] == "-" and len(arg) > 1:
+        # process a cluster of short options (possibly with
+        # value(s) for the last one only)
+        try:
+          self._process_short_opts(rargs, values)
+        except optparse.BadOptionError:
+          largs.append(arg)
+      elif self.allow_interspersed_args:
+        largs.append(arg)
+        del rargs[0]
+      else:
+        return                  # stop now, leave this arg in rargs
+
+  def print_help(self, file=None):
+    optparse.OptionParser.print_help(self, file)
+    MyOptionPaser.help = True
+
+
+parser = MyOptionPaser()
+parser.allow_interspersed_args = True
+
+DEFAULT_BOARD = os.environ.get('DEFAULT_BOARD', '')
+
+parser.add_option('--autox', dest='autox', action='store_true',
+                  help='Build autox along with autotest.')
+parser.add_option('--board', dest='board', action='store',
+                  default=DEFAULT_BOARD,
+                  help='The board for which you are building autotest.')
+parser.add_option('--build', dest='build', action='store',
+                  help='Only prebuild client tests, do not run tests.')
+parser.add_option('--buildcheck', dest='buildcheck', action='store_true',
+                  help='Fail if tests fail to build.')
+parser.add_option('--jobs', dest='jobs', action='store', type=int,
+                  default=-1,
+                  help='How many packages to build in parallel at maximum.')
+parser.add_option('--noprompt', dest='noprompt', action='store_true',
+                  help='Prompt user when building all tests.')
+
+
+AUTOSERV='../third_party/autotest/files/server/autoserv'
+AUTOTEST_CLIENT='../third_party/autotest/files/client/bin/autotest_client'
+
+def parse_args_and_help():
+
+  def nop(_):
+    pass
+
+  sys_exit = sys.exit
+  sys.exit = nop
+  options, args = parser.parse_args()
+  sys.exit = sys_exit
+
+  if not args and not options.build:
+    parser.print_help()
+
+  if MyOptionPaser.help:
+    if options.build:
+      print
+      print 'Options inherited from autotest_client, which is used in build',
+      print 'only mode.'
+      run([AUTOTEST_CLIENT, '--help'])
+    else:
+      print
+      print 'Options inherited from autoserv:'
+      run([AUTOSERV, '--help'])
+    sys.exit(-1)
+  return options, args
+
+
+def assert_inside_chroot(common_sh):
+  status, output = commands.getstatusoutput('/bin/bash -c ". %s && '
+                                            'assert_inside_chroot"' % common_sh)
+  if status is not 0:
+    print >> sys.stderr, output
+    sys.exit(status)
+
+
+def set_common_env(common_sh, env_var):
+  env_value = commands.getoutput('/bin/bash -c \'. %s && echo $%s\'' %
+                                 (common_sh, env_var))
+  os.environ[env_var] = env_value
+
+
+def die(common_sh, msg):
+  output = commands.getoutput('/bin/bash -c \'. %s && die "%s"\'' %
+                              (common_sh, msg))
+  print >> sys.stderr, output
+  sys.exit(1)
+
+
+def build_autotest(options):
+  environ = os.environ
+  if options.jobs != -1:
+    emerge_jobs = '--jobs=%d' % options.jobs
+  else:
+    emerge_jobs = ''
+
+  # Decide on USE flags based on options
+  use_flag = environ.get('USE', '')
+  if not options.autox:
+    use_flag = use_flag + ' -autox'
+  if options.buildcheck:
+    use_flag = use_flag + ' buildcheck'
+
+  board_blacklist_file = ('%s/src/overlays/overlay-%s/autotest-blacklist' %
+                          (os.environ['GCLIENT_ROOT'], options.board))
+  if os.path.exists(board_blacklist_file):
+    blacklist = [line.strip()
+                 for line in open(board_blacklist_file).readlines()]
+  else:
+    blacklist = []
+
+  all_tests = 'compilebench,dbench,disktest,netperf2,ltp,unixbench'
+  site_tests = '../third_party/autotest/files/client/site_tests'
+  for site_test in os.listdir(site_tests):
+    test_path = os.path.join(site_tests, site_test)
+    if (os.path.exists(test_path) and os.path.isdir(test_path)
+        and site_test not in blacklist):
+      all_tests += ',' + site_test
+
+  if 'all' == options.build.lower():
+    if options.noprompt is not True:
+      print 'You want to pre-build all client tests and it may take a long',
+      print 'time to finish.'
+      print 'Are you sure you want to continue?(N/y)',
+      answer = sys.stdin.readline()
+      if 'y' != answer[0].lower():
+        print 'Use --build to specify tests you like to pre-compile. '
+        print 'E.g.: ./autotest --build=disktest,hardware_SAT'
+        sys.exit(0)
+    test_list = all_tests
+  else:
+    test_list = options.build
+
+  environ['FEATURES'] = ('%s -buildpkg -collision-protect' %
+                         environ.get('FEATURES', ''))
+  environ['TEST_LIST'] = test_list
+  environ['USE'] = use_flag
+  emerge_cmd = ['emerge-%s' % options.board,
+                'chromeos-base/autotest']
+  if emerge_jobs:
+    emerge_cmd.append(emerge_jobs)
+  return run(emerge_cmd)
+
+
+def run_autoserv(board, args):
+  environ = os.environ
+  environ['AUTOSERV_ARGS'] = ' '.join(args)
+  environ['FEATURES'] = ('%s -buildpkg -digest noauto' %
+                         environ.get('FEATURES', ''))
+  ebuild_cmd = ['ebuild-%s' % board,
+                '../third_party/chromiumos-overlay/chromeos-base/'
+                'autotest/autotest-0.0.1.ebuild',
+                'clean', 'unpack', 'test']
+  run(ebuild_cmd)
+
+
+def main():
+  me = sys.argv[0]
+  common_sh = os.path.join(os.path.dirname(me), 'common.sh')
+
+  assert_inside_chroot(common_sh)
+  set_common_env(common_sh, 'GCLIENT_ROOT')
+
+  options, args = parse_args_and_help()
+  if options.build:
+    status = build_autotest(options)
+    if status:
+      die(common_sh, 'build_autotest failed.')
+  else:
+    ssh_key_file = os.path.join(os.path.dirname(me),
+                                'mod_for_test_scripts/ssh_keys/testing_rsa')
+    os.chmod(ssh_key_file, 0400)
+    run_autoserv(options.board, args)
+
+
+if __name__ == '__main__':
+  main()
+