-
Notifications
You must be signed in to change notification settings - Fork 5.6k
/
Copy pathinstall_bazel.py
executable file
·213 lines (175 loc) · 7.86 KB
/
install_bazel.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
#!/usr/bin/env python3
import argparse
import hashlib
import os
import platform
import shutil
import stat
import sys
import time
import urllib.request
_S3_HASH_MAPPING = {
"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-darwin-amd64": "f2ba5f721a995b54bab68c6b76a340719888aa740310e634771086b6d1528ecd",
"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-darwin-arm64": "69fa21cd2ccffc2f0970c21aa3615484ba89e3553ecce1233a9d8ad9570d170e",
"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-linux-amd64": "d28b588ac0916abd6bf02defb5433f6eddf7cba35ffa808eabb65a44aab226f7",
"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-linux-arm64": "861a16ba9979613e70bd3d2f9d9ab5e3b59fe79471c5753acdc9c431ab6c9d94",
"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-windows-amd64.exe": "d04555245a99dfb628e33da24e2b9198beb8f46d7e7661c313eb045f6a59f5e4",
}
BUILDOZER_RELEASE_URL = "https://github.com/bazelbuild/buildtools/releases/download/v7.3.1/"
def determine_platform():
syst = platform.system()
pltf = None
if syst == "Darwin":
pltf = "darwin"
elif syst == "Windows":
pltf = "windows"
elif syst == "Linux":
pltf = "linux"
else:
return None
return pltf
def determine_architecture():
arch = None
machine = platform.machine()
if machine in ("AMD64", "x86_64"):
arch = "amd64"
elif machine in ("arm", "arm64", "aarch64"):
arch = "arm64"
else:
return None
return arch
def _download_path_with_retry(*args, **kwargs):
for i in range(5):
try:
return urllib.request.urlretrieve(*args, **kwargs)
except Exception as e:
print(f"Download failed: {e}")
if i == 4:
raise
print("Retrying download...")
time.sleep(3)
continue
def _sha256_file(filename: str) -> str:
sha256_hash = hashlib.sha256()
with open(filename, "rb") as f:
for block in iter(lambda: f.read(4096), b""):
sha256_hash.update(block)
return sha256_hash.hexdigest()
def _verify_s3_hash(s3_path: str, local_path: str) -> None:
hash_string = _sha256_file(local_path)
if hash_string != _S3_HASH_MAPPING[s3_path]:
raise Exception(
f"Hash mismatch for {s3_path}, expected {_S3_HASH_MAPPING[s3_path]} but got {hash_string}"
)
def install_buildozer(download_location: str = "./"):
operating_system = determine_platform()
architechture = determine_architecture()
if operating_system is None or architechture is None:
print("Unsupported OS for buildozer, not installing.")
return None
if operating_system == "windows" and architechture == "arm64":
print("There are no published arm windows releases for buildifier.")
return None
extension = ".exe" if operating_system == "windows" else ""
binary_name = f"buildozer-{operating_system}-{architechture}{extension}"
url = f"{BUILDOZER_RELEASE_URL}{binary_name}"
file_location = os.path.join(download_location, f"buildozer{extension}")
_download_path_with_retry(url, file_location)
os.chmod(file_location, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
return file_location
def install_bazel(binary_directory: str) -> str:
install_buildozer(binary_directory)
normalized_arch = (
platform.machine().lower().replace("aarch64", "arm64").replace("x86_64", "amd64")
)
normalized_os = sys.platform.replace("win32", "windows").replace("darwin", "macos")
is_bazelisk_supported = normalized_arch not in ["ppc64le", "s390x"]
binary_filename = "bazelisk"
binary_path = os.path.join(binary_directory, binary_filename)
if os.path.exists(binary_path):
print(f"{binary_filename} already exists ({binary_path}), skipping download")
_set_bazel_permissions(binary_path)
return binary_path
if is_bazelisk_supported:
print(f"Downloading {binary_filename}...")
ext = ".exe" if normalized_os == "windows" else ""
os_str = normalized_os.replace("macos", "darwin")
s3_path = f"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-{os_str}-{normalized_arch}{ext}"
_download_path_with_retry(s3_path, binary_path)
_verify_s3_hash(s3_path, binary_path)
print(f"Downloaded {binary_filename} to {binary_path}")
else:
print("Using bazel/bazelisk.py on unsupported platform.")
repo_dir = os.path.dirname(os.path.dirname(__file__))
bazelisk_py = os.path.join(repo_dir, "bazel", "bazelisk.py")
shutil.copyfile(bazelisk_py, binary_path)
_set_bazel_permissions(binary_path)
return binary_path
def _set_bazel_permissions(binary_path: str) -> None:
# Bazel is a self-extracting zip launcher and needs read perms on the executable to read the zip from itself.
perms = (
stat.S_IXUSR
| stat.S_IXGRP
| stat.S_IXOTH
| stat.S_IRUSR
| stat.S_IRGRP
| stat.S_IROTH
| stat.S_IWUSR
| stat.S_IWGRP
)
os.chmod(binary_path, perms)
def create_bazel_to_bazelisk_symlink(binary_directory: str) -> str:
bazel_symlink = os.path.join(
binary_directory, "bazel.exe" if sys.platform == "win32" else "bazel"
)
if os.path.exists(bazel_symlink):
print(f"Symlink {bazel_symlink} already exists, skipping symlink creation")
return bazel_symlink
os.symlink(os.path.join(binary_directory, "bazelisk"), bazel_symlink)
print(f"Symlinked bazel to {bazel_symlink}")
return bazel_symlink
def main():
arg_parser = argparse.ArgumentParser()
arg_parser.add_argument("--add-bazel-symlink", type=bool, default=True)
args = arg_parser.parse_args()
binary_directory = os.path.expanduser("~/.local/bin")
if not os.path.exists(binary_directory):
os.makedirs(binary_directory)
install_bazel(binary_directory)
if args.add_bazel_symlink:
symlink_path = create_bazel_to_bazelisk_symlink(binary_directory)
path_misconfigured = False
evaluated_path = shutil.which(os.path.basename(symlink_path))
if evaluated_path is None:
print(
"Warning: bazel is not in the PATH. Please add ~/.local/bin to your PATH or call it with the absolute path."
)
path_misconfigured = True
elif os.path.abspath(evaluated_path) != os.path.abspath(symlink_path):
print(
f"Warning: the bazel installed ({evaluated_path}) doesn't match the bazel in your path"
)
path_misconfigured = True
if path_misconfigured:
abs_binary_directory = os.path.abspath(binary_directory)
if sys.platform == "win32":
print("To add it to your PATH, run: \n")
print(
f'[Environment]::SetEnvironmentVariable("Path", "{abs_binary_directory};" + $env:Path, "Machine")'
)
print("refreshenv")
else:
print("To add it to your PATH, run: \n")
if os.path.exists(os.path.expanduser("~/.bashrc")):
print(f'echo "export PATH=\\{abs_binary_directory}:$PATH" >> ~/.bashrc')
print("source ~/.bashrc")
elif os.path.exists(os.path.expanduser("~/.bash_profile")):
print(f'echo "export PATH=\\{abs_binary_directory}:$PATH" >> ~/.bash_profile')
print("source ~/.bash_profile")
elif os.path.exists(os.path.expanduser("~/.zshrc")):
print(f'echo "export PATH=\\{abs_binary_directory}:$PATH" >> ~/.zshrc')
print("source ~/.zshrc")
else:
print(f"export PATH={abs_binary_directory}:$PATH")
if __name__ == "__main__":
main()