Remove au_test_harness code and change symlinks to point to new location

bin/au_test_harness/au_worker.py

Index: bin/au_test_harness/au_worker.py
diff --git a/bin/au_test_harness/au_worker.py b/bin/au_test_harness/au_worker.py
deleted file mode 100644
index 303c1802084785333d62110261e53a847353099b..0000000000000000000000000000000000000000
--- a/bin/au_test_harness/au_worker.py
+++ /dev/null
@@ -1,272 +0,0 @@
-# Copyright (c) 2011 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.
-
-"""Module that contains the interface for au_test_harness workers.
-
-An au test harnss worker is a class that contains the logic for performing
-and validating updates on a target.  This should be subclassed to handle
-various types of target.  Types of targets include VM's, real devices, etc.
-"""
-
-import inspect
-import threading
-import os
-import sys
-
-import cros_build_lib as cros_lib
-
-import dev_server_wrapper
-import update_exception
-
-
-class AUWorker(object):
-  """Interface for a worker that updates and verifies images."""
-  # Mapping between cached payloads to directory locations.
-  update_cache = None
-
-  # --- INTERFACE ---
-
-  def __init__(self, options, test_results_root):
-    """Processes options for the specific-type of worker."""
-    self.board = options.board
-    self.private_key = options.private_key
-    self.test_results_root = test_results_root
-    self.use_delta_updates = options.delta
-    self.verbose = options.verbose
-    self.vm_image_path = None
-    if options.quick_test:
-      self.verify_suite = 'build_RootFilesystemSize'
-    else:
-      self.verify_suite = 'suite_Smoke'
-
-    # Set these up as they are used often.
-    self.crosutils = os.path.join(os.path.dirname(__file__), '..', '..')
-    self.crosutilsbin = os.path.join(os.path.dirname(__file__), '..')
-
-  def CleanUp(self):
-    """Called at the end of every test."""
-    pass
-
-  def UpdateImage(self, image_path, src_image_path='', stateful_change='old',
-                  proxy_port=None, private_key_path=None):
-    """Implementation of an actual update.
-
-    See PerformUpdate for description of args.  Subclasses must override this
-    method with the correct update procedure for the class.
-    """
-    pass
-
-  def UpdateUsingPayload(self, update_path, stateful_change='old',
-                         proxy_port=None):
-    """Updates target with the pre-generated update stored in update_path.
-
-    Subclasses must override this method with the correct update procedure for
-    the class.
-
-    Args:
-      update_path:  Path to the image to update with. This directory should
-        contain both update.gz, and stateful.image.gz
-      proxy_port:  Port to have the client connect to. For use with
-        CrosTestProxy.
-    """
-    pass
-
-  def VerifyImage(self, unittest, percent_required_to_pass=100):
-    """Verifies the image with tests.
-
-    Verifies that the test images passes the percent required.  Subclasses must
-    override this method with the correct update procedure for the class.
-
-    Args:
-      unittest: pointer to a unittest to fail if we cannot verify the image.
-      percent_required_to_pass:  percentage required to pass.  This should be
-        fall between 0-100.
-
-    Returns:
-      Returns the percent that passed.
-    """
-    pass
-
-  # --- INTERFACE TO AU_TEST ---
-
-  def PerformUpdate(self, image_path, src_image_path='', stateful_change='old',
-                    proxy_port=None, private_key_path=None):
-    """Performs an update using  _UpdateImage and reports any error.
-
-    Subclasses should not override this method but override _UpdateImage
-    instead.
-
-    Args:
-      image_path:  Path to the image to update with.  This image must be a test
-        image.
-      src_image_path:  Optional.  If set, perform a delta update using the
-        image specified by the path as the source image.
-      stateful_change: How to modify the stateful partition.  Values are:
-          'old':  Don't modify stateful partition.  Just update normally.
-          'clean':  Uses clobber-state to wipe the stateful partition with the
-            exception of code needed for ssh.
-      proxy_port:  Port to have the client connect to. For use with
-        CrosTestProxy.
-      private_key_path:  Path to a private key to use with update payload.
-    Raises an update_exception.UpdateException if _UpdateImage returns an error.
-    """
-    try:
-      if not self.use_delta_updates: src_image_path = ''
-      if private_key_path:
-        key_to_use = private_key_path
-      else:
-        key_to_use = self.private_key
-
-      self.UpdateImage(image_path, src_image_path, stateful_change,
-                              proxy_port, key_to_use)
-    except update_exception.UpdateException as err:
-      # If the update fails, print it out
-      Warning(err.stdout)
-      raise
-
-  @classmethod
-  def SetUpdateCache(cls, update_cache):
-    """Sets the global update cache for getting paths to devserver payloads."""
-    cls.update_cache = update_cache
-
-  # --- METHODS FOR SUB CLASS USE ---
-
-  def PrepareRealBase(self, image_path):
-    """Prepares a remote device for worker test by updating it to the image."""
-    self.UpdateImage(image_path)
-
-  def PrepareVMBase(self, image_path):
-    """Prepares a VM image for worker test by creating the VM file from the img.
-    """
-    # VM Constants.
-    FULL_VDISK_SIZE = 6072
-    FULL_STATEFULFS_SIZE = 3074
-    # Needed for VM delta updates.  We need to use the qemu image rather
-    # than the base image on a first update.  By tracking the first_update
-    # we can set src_image to the qemu form of the base image when
-    # performing generating the delta payload.
-    self._first_update = True
-    self.vm_image_path = '%s/chromiumos_qemu_image.bin' % os.path.dirname(
-        image_path)
-    if not os.path.exists(self.vm_image_path):
-      cros_lib.Info('Creating %s' % self.vm_image_path)
-      cros_lib.RunCommand(['./image_to_vm.sh',
-                           '--full',
-                           '--from=%s' % cros_lib.ReinterpretPathForChroot(
-                               os.path.dirname(image_path)),
-                           '--vdisk_size=%s' % FULL_VDISK_SIZE,
-                           '--statefulfs_size=%s' % FULL_STATEFULFS_SIZE,
-                           '--board=%s' % self.board,
-                           '--test_image'
-                          ], enter_chroot=True, cwd=self.crosutils)
-
-    cros_lib.Info('Using %s as base' % self.vm_image_path)
-    assert os.path.exists(self.vm_image_path)
-
-  def GetStatefulChangeFlag(self, stateful_change):
-    """Returns the flag to pass to image_to_vm for the stateful change."""
-    stateful_change_flag = ''
-    if stateful_change:
-      stateful_change_flag = '--stateful_update_flag=%s' % stateful_change
-
-    return stateful_change_flag
-
-  def AppendUpdateFlags(self, cmd, image_path, src_image_path, proxy_port,
-                        private_key_path):
-    """Appends common args to an update cmd defined by an array.
-
-    Modifies cmd in places by appending appropriate items given args.
-    """
-    if proxy_port: cmd.append('--proxy_port=%s' % proxy_port)
-
-    # Get pregenerated update if we have one.
-    update_id = dev_server_wrapper.GenerateUpdateId(image_path, src_image_path,
-                                                    private_key_path)
-    cache_path = self.update_cache[update_id]
-    if cache_path:
-      update_url = dev_server_wrapper.DevServerWrapper.GetDevServerURL(
-          proxy_port, cache_path)
-      cmd.append('--update_url=%s' % update_url)
-    else:
-      cmd.append('--image=%s' % image_path)
-      if src_image_path: cmd.append('--src_image=%s' % src_image_path)
-
-  def RunUpdateCmd(self, cmd, log_directory=None):
-    """Runs the given update cmd given verbose options.
-
-    Raises an update_exception.UpdateException if the update fails.
-    """
-    if self.verbose:
-      try:
-        if log_directory:
-          cros_lib.RunCommand(cmd, log_to_file=os.path.join(log_directory,
-                                                            'update.log'))
-        else:
-          cros_lib.RunCommand(cmd)
-      except Exception as e:
-        Warning(str(e))
-        raise update_exception.UpdateException(1, str(e))
-    else:
-      (code, stdout, stderr) = cros_lib.RunCommandCaptureOutput(cmd)
-      if code != 0:
-        Warning(stdout)
-        raise update_exception.UpdateException(code, stdout)
-
-  def AssertEnoughTestsPassed(self, unittest, output, percent_required_to_pass):
-    """Helper function that asserts a sufficient number of tests passed.
-
-    Args:
-      output: stdout from a test run.
-      percent_required_to_pass: percentage required to pass.  This should be
-        fall between 0-100.
-    Returns:
-      percent that passed.
-    """
-    cros_lib.Info('Output from VerifyImage():')
-    print >> sys.stderr, output
-    sys.stderr.flush()
-    percent_passed = self._ParseGenerateTestReportOutput(output)
-    cros_lib.Info('Percent passed: %d vs. Percent required: %d' % (
-        percent_passed, percent_required_to_pass))
-    unittest.assertTrue(percent_passed >= percent_required_to_pass)
-    return percent_passed
-
-  def InitializeResultsDirectory(self):
-    """Called by a test to initialize a results directory for this worker."""
-    # Use the name of the test.
-    test_name = inspect.stack()[1][3]
-    self.results_directory = os.path.join(self.test_results_root, test_name)
-    self.results_count = 0
-
-  def GetNextResultsPath(self, label):
-    """Returns a path for the results directory for this label.
-
-    Prefixes directory returned for worker with time called i.e. 1_label,
-    2_label, etc.  The directory returned is outside the chroot so if passing
-    to an script that is called with enther_chroot, make sure to use
-    ReinterpretPathForChroot.
-    """
-    self.results_count += 1
-    dir = os.path.join(self.results_directory, '%s_%s' % (self.results_count,
-                                                          label))
-    if not os.path.exists(dir):
-      os.makedirs(dir)
-
-    return dir
-
-  # --- PRIVATE HELPER FUNCTIONS ---
-
-  def _ParseGenerateTestReportOutput(self, output):
-    """Returns the percentage of tests that passed based on output."""
-    percent_passed = 0
-    lines = output.split('\n')
-
-    for line in lines:
-      if line.startswith("Total PASS:"):
-        # FORMAT: ^TOTAL PASS: num_passed/num_total (percent%)$
-        percent_passed = line.split()[3].strip('()%')
-        cros_lib.Info('Percent of tests passed %s' % percent_passed)
-        break
-
-    return int(percent_passed)