Add CT DM isolate file and script that will be run on swarming slaves

content/test/ct/run_ct_dm.py

+#!/usr/bin/env python
+# Copyright (c) 2015 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.
+
+"""This script is meant to be run on a Swarming bot."""
+
+import argparse
+import os
+import subprocess
+import sys
+
+
+PARENT_DIR = os.path.dirname(os.path.realpath(__file__))
+
+
+def _GetSkiaSrcDir():
+  return os.path.abspath(os.path.join(

[M-A Ruel, 2015/11/24 19:07:34]

you mean normpath() instead of abspath().

But since it's a constant, make it a constant at line 27

[rmistry, 2015/11/24 20:12:24]

Done.

+      PARENT_DIR, os.pardir, os.pardir, os.pardir, os.pardir, 'skia'))
+
+
+def main():
+  parser = argparse.ArgumentParser()
+  parser.add_argument('-s', '--slave_num', required=True,

[M-A Ruel, 2015/11/24 19:07:34]

type=int?

[rmistry, 2015/11/24 20:12:24]

Done.

+                      help='The slave num of this CT run.')
+  args = parser.parse_args()
+
+  dm_path = os.path.join(_GetSkiaSrcDir(), 'out', 'Debug', 'dm')

[M-A Ruel, 2015/11/24 19:07:34]

Could the relative path be a flag that defaults to Debug or you don't see it
ever changing? (E.g. Debug_x64)

[rmistry, 2015/11/24 20:12:24]

I do not see it ever changing. But I have been wrong before, in which case I
will add the flag if it ever changes :)

+  skps_dir = os.path.join(
+      _GetSkiaSrcDir(), 'content', 'test', 'ct', 'slave%s' % args.slave_num,
+      'skps')
+  resource_path = os.path.join(_GetSkiaSrcDir(), 'resources')
+
+  # TODO(rmistry): Double check the below DM configuration with mtklein@. We
+  # need a basic configuration that can help catch bugs like the ones listed in
+  # skbug.com/4416
+  cmd = [
+      dm_path,
+      '--src', 'skp',
+      '--skps', skps_dir,
+      '--resourcePath', resource_path,
+      '--config', '8888',
+      '--verbose',
+  ]
+  return subprocess.call(cmd)
+
+
+if __name__ == '__main__':
+  sys.exit(main())