Support for bundling Chromium unittests into a tarball.

blimp/tools/bundle-engine.py

-#!/usr/bin/env python
-# Copyright 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.
-
-'''Bundles the Blimp Engine and its runtime dependencies into a tarball.
-
-   The created bundle can be passed as input to docker build.  E.g.
-   docker build - < ../../out-linux/Debug/blimp_engine_deps.tar.gz
-'''
-
-
-import argparse
-import os
-import subprocess
-import sys
-
-def ReadDependencies(manifest):
-  """Read the manifest and return the list of dependencies.
-  :raises IOError: if the manifest could not be read.
-  """
-  deps = []
-  with open(manifest) as f:
-    for line in f.readlines():
-      # Strip comments.
-      dep = line.partition('#')[0].strip()
-      # Ignore empty strings.
-      if dep:
-        deps.append(dep)
-  return deps
-
-def main():
-  parser = argparse.ArgumentParser(description=__doc__)
-  parser.add_argument('--build-dir',
-                      help=('build output directory (e.g. out/Debug)'),
-                      required=True,
-                      metavar='DIR')
-  parser.add_argument('--dockerfile',
-                      help=('Dockerfile to add to the bundle'),
-                      required=True,
-                      metavar='FILE')
-  parser.add_argument('--startup-script',
-                      help=('Engine startup script to add to the bundle'),
-                      required=True,
-                      metavar='FILE')
-  parser.add_argument('--manifest',
-                      help=('engine manifest'),
-                      required=True)
-  parser.add_argument('--output',
-                      help=('name and path of bundle to create'),
-                      required=True,
-                      metavar='FILE')
-  args = parser.parse_args()
-
-  deps = ReadDependencies(args.manifest)
-
-  dockerfile_dirname, dockerfile_basename = os.path.split(args.dockerfile)
-  startup_script_dirname, startup_script_basename = os.path.split(
-      args.startup_script)
-
-  try:
-    env = os.environ.copy()
-    # Use fastest possible mode when gzipping.
-    env["GZIP"] = "-1"
-    subprocess.check_output(
-        ["tar",
-         "-zcf", args.output,
-         # Ensure tarball content group permissions are appropriately set for
-         # use as part of a "docker build". That is group readable with
-         # executable files also being group executable.
-         "--mode=g+rX",
-         "-C", dockerfile_dirname, dockerfile_basename,
-         "-C", startup_script_dirname, startup_script_basename,
-         "-C", args.build_dir] + deps,
-        # Redirect stderr to stdout, so that its output is captured.
-        stderr=subprocess.STDOUT,
-        env=env)
-  except subprocess.CalledProcessError as e:
-    print >> sys.stderr, "Failed to create tarball:"
-    print >> sys.stderr, e.output
-    sys.exit(1)
-
-if __name__ == "__main__":
-  main()