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1 #!/usr/bin/env python | |
2 # Copyright 2015 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 '''Bundles the Blimp target and its runtime dependencies into a tarball. | |
7 | |
8 The created bundle can be passed as input to docker build. E.g. | |
9 docker build - < ../../out-linux/Debug/blimp_engine_deps.tar.gz | |
10 ''' | |
11 | |
12 | |
13 import argparse | |
14 import os | |
15 import subprocess | |
16 import sys | |
17 | |
18 def ReadDependencies(manifest, relative_path): | |
19 """Returns a list of dependencies based on the specified manifest file. | |
20 The returned dependencies will be made relative to |relative_path| and | |
21 normalized. | |
22 :raises IOError: if the manifest could not be read. | |
23 """ | |
24 dependency_list = [] | |
25 with open(manifest) as f: | |
26 for line in f.readlines(): | |
27 # Strip comments. | |
28 dependency = line.partition('#')[0].strip() | |
29 # Ignore empty strings. | |
30 if dependency: | |
31 dependency = os.path.normpath(os.path.join(relative_path, dependency)) | |
32 dependency_list.append(dependency) | |
33 return dependency_list | |
34 | |
35 def main(): | |
36 parser = argparse.ArgumentParser(description=__doc__) | |
37 parser.add_argument('--build-dir', | |
38 help=('build output directory (e.g. out/Debug)'), | |
39 required=True, | |
40 metavar='DIR') | |
41 parser.add_argument('--filelist', | |
42 help=('optional space separated list of files (e.g. ' | |
43 'Dockerfile and startup script) to add to the ' | |
44 'bundle'), | |
45 required=False, | |
46 metavar='FILE', | |
47 nargs='*') | |
48 parser.add_argument('--manifest', | |
49 help=('file listing the set of files to include in ' | |
50 'the bundle'), | |
51 required=True) | |
52 parser.add_argument('--output', | |
53 help=('name and path of bundle to create'), | |
54 required=True, | |
55 metavar='FILE') | |
56 parser.add_argument('--tar-contents-rooted-in', | |
57 help=('optional path prefix to use inside the resulting ' | |
58 'tar file'), | |
59 required=False, | |
60 metavar='DIR') | |
61 args = parser.parse_args() | |
62 | |
63 dependencies_path = args.build_dir | |
64 if args.tar_contents_rooted_in: | |
65 dependencies_path = args.tar_contents_rooted_in | |
66 relative_path = os.path.relpath(args.build_dir, dependencies_path) | |
67 | |
68 dependency_list = ReadDependencies(args.manifest, relative_path) | |
69 | |
70 try: | |
71 env = os.environ.copy() | |
72 # Use fastest possible mode when gzipping. | |
73 env["GZIP"] = "-1" | |
74 subprocess_args = [ | |
75 "tar", | |
76 "-zcf", args.output, | |
77 # Ensure tarball content group permissions are appropriately set for | |
78 # use as part of a "docker build". That is group readable with | |
79 # executable files also being group executable. | |
80 "--mode=g+rX", | |
81 "-C", dependencies_path] + dependency_list | |
82 for f in args.filelist: | |
83 dirname, basename = os.path.split(f) | |
84 subprocess_args.extend(["-C", dirname, basename]) | |
85 subprocess.check_output( | |
86 subprocess_args, | |
87 # Redirect stderr to stdout, so that its output is captured. | |
88 stderr=subprocess.STDOUT, | |
89 env=env) | |
90 except subprocess.CalledProcessError as e: | |
91 print >> sys.stderr, "Failed to create tarball:" | |
92 print >> sys.stderr, e.output | |
93 sys.exit(1) | |
94 | |
95 if __name__ == "__main__": | |
96 main() | |
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