Remove Skia's forked buildbot code

slave/skia_slave_scripts/flavor_utils/ssh_build_step_utils.py

-# Copyright (c) 2014 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.
-
-""" BuildStepUtils for a remote-execution-via-SSH environment. """
-
-
-from default_build_step_utils import DefaultBuildStepUtils, DeviceDirs
-from slave import slave_utils
-from utils import old_gs_utils as gs_utils
-from py.utils import shell_utils
-from py.utils import ssh_utils
-import os
-import posixpath
-import shutil
-
-
-class SshBuildStepUtils(DefaultBuildStepUtils):
-  def __init__(self, build_step_instance):
-    DefaultBuildStepUtils.__init__(self, build_step_instance)
-    self._unique_prefix = 'skia_'
-    args = self._step.args
-    self._ssh = ssh_utils.SshDestination(
-      args.get('ssh_host', 'localhost'),
-      args.get('ssh_port', 22),
-      args.get('ssh_user', 'root'))
-    if self._ssh.host == 'localhost':
-      self._ssh.options = ['-o', 'NoHostAuthenticationForLocalhost=yes']
-
-    self._build_dir = args.get('skia_out', os.path.abspath('out'))
-    self._remote_dir = args.get('remote_dir', 'skia')
-
-    # Subclass constructors can change these fields.
-    #   self._unique_prefix - (string) prefix to add to target
-    #                         executables.
-    #   self._ssh.host - (string) hostname to pass to ssh
-    #   self._ssh.port - (string) ssh port on the remote host
-    #   self._ssh.user - (string) username on the remote host
-    #   self._remote_dir - (string) absolute or relative path of a
-    #                      directory on the remote system.
-    #   self._build_dir - (string) This script assumes that the compiled
-    #                      executables will be located in os.path.join(
-    #                      self._build_dir, self._step.configuration)
-    #
-    # Subclasses should override Compile().  These values are
-    # available if needed:
-    #   self._step.configuration
-    #   self._step.gyp_defines
-    #   self._step.deps_target_os
-    #   self._step.make_flags
-
-  def RunFlavoredCmd(self, app, args):
-    """ Override this in new BuildStep flavors. """
-    assert app in self.ListBuildStepExecutables()
-    executable = self.DevicePathJoin(
-      self._remote_dir, self._unique_prefix + app)
-    self._ssh.Run([executable] + args)
-
-  def ReadFileOnDevice(self, filepath):
-    """ Read the contents of a file on the device. """
-    return self._ssh.Run(['cat', filepath], echo=False)
-
-  def _RemoveDirectoryOnDevice(self, directory):
-    """ Delete a directory on the device. """
-    try:
-      self._ssh.Run(['rm', '-rf', directory])
-    except shell_utils.CommandFailedException:
-      # `rm -f` will return 0 for nonexistent operands. Other failurs
-      # will return 1, leading to a CommandFailedException.
-      raise Exception('Failed to remove %s' % directory)
-
-  def _CreateDirectoryOnDevice(self, directory):
-    """ Create a directory on the device. """
-    self._ssh.Run(['mkdir', '-p', directory])
-
-  def PushFileToDevice(self, src, dst):
-    """ Overrides build_step.PushFileToDevice() """
-    self._ssh.Put(src, dst)
-
-  def PushMultipleFilesToDevice(self, src_files, dst):
-    self._ssh.MultiPut(src_files, dst)
-
-  def DeviceListDir(self, directory):
-    """ Overrides build_step.DeviceListDir() """
-    ls = self._ssh.Run(['ls', directory], echo=False)
-    # ''.split('\n') evaluates to [''], when we want [].
-    return [path for path in ls.split('\n') if path != '']
-
-  def _RunAndReturnSuccess(self, command):
-    try:
-      self._ssh.Run(command)
-    except shell_utils.CommandFailedException:
-      return False
-    return True
-
-  def DevicePathExists(self, path):
-    """ Overrides build_step.DevicePathExists() """
-    return self._RunAndReturnSuccess(['test', '-e', path])
-
-  def DeviceDirectoryExists(self, path):
-    return self._RunAndReturnSuccess(['test', '-d', path])
-
-  def DevicePathJoin(self, *args):
-    """ Overrides build_step.DevicePathJoin() """
-    return posixpath.sep.join(args)
-
-  def CreateCleanDeviceDirectory(self, directory):
-    # Raises exeption if either the directory exists but is
-    # un-removeable or if mkdir fails.
-    self._ssh.RunCmd('rm -rf "%s" && mkdir -p "%s"' % (directory, directory))
-
-  def CopyDirectoryContentsToDevice(self, host_dir, device_dir):
-    """ Copy the contents of a host-side directory to a clean
-    directory on the device side.
-    """
-    self.CreateCleanDeviceDirectory(device_dir)
-    upload_list = []
-    for filename in os.listdir(host_dir):
-      if filename != gs_utils.TIMESTAMP_COMPLETED_FILENAME:
-        path = os.path.join(host_dir, filename)
-        if os.path.isfile(path):
-          upload_list.append(path)
-    if upload_list:
-      self.PushMultipleFilesToDevice(upload_list, device_dir)
-    ts_filepath = os.path.join(host_dir, gs_utils.TIMESTAMP_COMPLETED_FILENAME)
-    if os.path.isfile(ts_filepath):
-      self.PushFileToDevice(ts_filepath, device_dir)
-
-  def CopyDirectoryContentsToHost(self, device_dir, host_dir):
-    """ Copy the contents of a device-side directory to a clean
-    directory on the host side.
-    """
-    self.CreateCleanHostDirectory(host_dir)
-    if not self.DeviceDirectoryExists(device_dir):
-      print 'Device directory "%s" does not exist.' % device_dir
-      return
-    if not self.DeviceListDir(device_dir):
-      print 'Device directory "%s" is empty.' % device_dir
-      return
-    self._ssh.Get(host_dir, posixpath.join(device_dir, '*'), recurse=True)
-
-  def Install(self):
-    """ Install the Skia executables. """
-    for executable in self.ListBuildStepExecutables():
-      # First, make sure that the program isn't running.
-      remote_executable = self._unique_prefix + executable
-      try:
-        self._ssh.Run(['killall', remote_executable])
-      except Exception:
-        pass
-      remote_path = self.DevicePathJoin(
-        self._remote_dir, remote_executable)
-      local_path = os.path.join(
-        self._build_dir, self._step.configuration, executable)
-      assert os.path.isfile(local_path)
-      self._ssh.Put(local_path, remote_path)
-
-  def AddGsutilToPath(self):
-    # Add gsutil to PATH
-    gsutil_dir = os.path.dirname(slave_utils.GSUtilSetup())
-    if gsutil_dir not in os.environ['PATH'].split(os.pathsep):
-      os.environ['PATH'] += os.pathsep + gsutil_dir
-
-  def GetDeviceDirs(self):
-    """ Set the directories which will be used by the BuildStep. """
-    prefix = self.DevicePathJoin(self._remote_dir, self._unique_prefix)
-    return DeviceDirs(
-      perf_data_dir=prefix + 'perf',
-      gm_actual_dir=prefix + 'gm_actual',
-      gm_expected_dir=prefix + 'gm_expected',
-      dm_dir=prefix + 'dm_out',  # Not dm, which will conflict with the binary.
-      resource_dir=prefix + 'resources',
-      skimage_in_dir=prefix + 'skimage_in',
-      skimage_expected_dir=prefix + 'skimage_expected',
-      skimage_out_dir=prefix + 'skimage_out',
-      skp_dir=prefix + 'skp',
-      skp_perf_dir=prefix + 'skp_perf',
-      playback_actual_images_dir=prefix + 'playback_actual_images',
-      playback_actual_summaries_dir=prefix + 'playback_actual_summaries',
-      playback_expected_summaries_dir=prefix + 'playback_expected_summaries',
-      tmp_dir=prefix + 'tmp_dir')
-
-  def MakeClean(self):
-    """ Overridden from DefaultBuildStepUtils """
-    if os.path.isdir(self._build_dir):
-      shutil.rmtree(os.path.realpath(self._build_dir))