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166 lines
6.8 KiB
Python
166 lines
6.8 KiB
Python
import argparse
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import hashlib
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import os
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import platform
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import shutil
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import stat
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import sys
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import urllib.request
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from retry import retry
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_S3_HASH_MAPPING = {
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"https://mdb-build-public.s3.amazonaws.com/bazel-binaries/bazel-7.2.1-ppc64le": "4ecc7f1396b8d921c6468b34cc8ed356c4f2dbe8a154c25d681a61ccb5dfc9cb",
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"https://mdb-build-public.s3.amazonaws.com/bazel-binaries/bazel-7.2.1-s390x": "2f5f7fd747620d96e885766a4027347c75c0f455c68219211a00e72fc6413be9",
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"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-darwin-amd64": "f2ba5f721a995b54bab68c6b76a340719888aa740310e634771086b6d1528ecd",
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"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-darwin-arm64": "69fa21cd2ccffc2f0970c21aa3615484ba89e3553ecce1233a9d8ad9570d170e",
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"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-linux-amd64": "d28b588ac0916abd6bf02defb5433f6eddf7cba35ffa808eabb65a44aab226f7",
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"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-linux-arm64": "861a16ba9979613e70bd3d2f9d9ab5e3b59fe79471c5753acdc9c431ab6c9d94",
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"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-windows-amd64.exe": "d04555245a99dfb628e33da24e2b9198beb8f46d7e7661c313eb045f6a59f5e4",
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}
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@retry(tries=5, delay=3)
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def _download_path_with_retry(*args, **kwargs):
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urllib.request.urlretrieve(*args, **kwargs)
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def _sha256_file(filename: str) -> str:
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sha256_hash = hashlib.sha256()
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with open(filename, "rb") as f:
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for block in iter(lambda: f.read(4096), b""):
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sha256_hash.update(block)
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return sha256_hash.hexdigest()
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def _verify_s3_hash(s3_path: str, local_path: str) -> None:
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if s3_path not in _S3_HASH_MAPPING:
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raise Exception(
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f"S3 path not found in hash mapping, unable to verify downloaded for s3 path: {s3_path}"
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)
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hash_string = _sha256_file(local_path)
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if hash_string != _S3_HASH_MAPPING[s3_path]:
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raise Exception(
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f"Hash mismatch for {s3_path}, expected {_S3_HASH_MAPPING[s3_path]} but got {hash_string}"
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)
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def install_bazel(binary_directory: str) -> str:
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normalized_arch = (
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platform.machine().lower().replace("aarch64", "arm64").replace("x86_64", "amd64")
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)
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normalized_os = sys.platform.replace("win32", "windows").replace("darwin", "macos")
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# TODO(SERVER-86050): remove the branch once bazelisk is built on s390x & ppc64le
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is_bazelisk_supported = normalized_arch not in ["ppc64le", "s390x"]
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binary_filename = "bazelisk" if is_bazelisk_supported else "bazel"
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binary_path = os.path.join(binary_directory, binary_filename)
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if os.path.exists(binary_path):
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print(f"{binary_filename} already exists ({binary_path}), skipping download")
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_set_bazel_permissions(binary_path)
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return binary_path
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print(f"Downloading {binary_filename}...")
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# TODO(SERVER-86050): remove the branch once bazelisk is built on s390x & ppc64le
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if is_bazelisk_supported:
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ext = ".exe" if normalized_os == "windows" else ""
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os_str = normalized_os.replace("macos", "darwin")
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s3_path = f"https://mdb-build-public.s3.amazonaws.com/bazelisk-binaries/v1.19.0/bazelisk-{os_str}-{normalized_arch}{ext}"
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else:
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print(
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"Warning: Bazelisk is not supported on this platform. Installing Bazel directly instead."
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)
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s3_path = f"https://mdb-build-public.s3.amazonaws.com/bazel-binaries/bazel-7.2.1-{normalized_arch}"
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_download_path_with_retry(s3_path, binary_path)
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_verify_s3_hash(s3_path, binary_path)
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print(f"Downloaded {binary_filename} to {binary_path}")
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_set_bazel_permissions(binary_path)
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return binary_path
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def _set_bazel_permissions(binary_path: str) -> None:
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# Bazel is a self-extracting zip launcher and needs read perms on the executable to read the zip from itself.
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perms = (
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stat.S_IXUSR
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| stat.S_IXGRP
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| stat.S_IXOTH
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| stat.S_IRUSR
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| stat.S_IRGRP
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| stat.S_IROTH
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| stat.S_IWUSR
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| stat.S_IWGRP
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)
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os.chmod(binary_path, perms)
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def create_bazel_to_bazelisk_symlink(binary_directory: str) -> str:
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bazel_symlink = os.path.join(
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binary_directory, "bazel.exe" if sys.platform == "win32" else "bazel"
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)
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if os.path.exists(bazel_symlink):
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print(f"Symlink {bazel_symlink} already exists, skipping symlink creation")
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return bazel_symlink
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os.symlink(os.path.join(binary_directory, "bazelisk"), bazel_symlink)
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print(f"Symlinked bazel to {bazel_symlink}")
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return bazel_symlink
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def main():
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arg_parser = argparse.ArgumentParser()
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arg_parser.add_argument("--add-bazel-symlink", type=bool, default=True)
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args = arg_parser.parse_args()
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binary_directory = os.path.expanduser("~/.local/bin")
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if not os.path.exists(binary_directory):
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os.makedirs(binary_directory)
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install_bazel(binary_directory)
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if args.add_bazel_symlink:
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symlink_path = create_bazel_to_bazelisk_symlink(binary_directory)
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path_misconfigured = False
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evaluated_path = shutil.which(os.path.basename(symlink_path))
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if evaluated_path is None:
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print(
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"Warning: bazel is not in the PATH. Please add ~/.local/bin to your PATH or call it with the absolute path."
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)
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path_misconfigured = True
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elif os.path.abspath(evaluated_path) != os.path.abspath(symlink_path):
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print(
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f"Warning: the bazel installed ({evaluated_path}) doesn't match the bazel in your path"
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)
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path_misconfigured = True
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if path_misconfigured:
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abs_binary_directory = os.path.abspath(binary_directory)
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if sys.platform == "win32":
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print("To add it to your PATH, run: \n")
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print(
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f'[Environment]::SetEnvironmentVariable("Path", $env:Path + ";{abs_binary_directory}", "Machine")'
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)
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print("refreshenv")
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else:
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print("To add it to your PATH, run: \n")
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if os.path.exists(os.path.expanduser("~/.bashrc")):
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print(f'echo "export PATH=\\$PATH:{abs_binary_directory}" >> ~/.bashrc')
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print("source ~/.bashrc")
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elif os.path.exists(os.path.expanduser("~/.bash_profile")):
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print(f'echo "export PATH=\\$PATH:{abs_binary_directory}" >> ~/.bash_profile')
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print("source ~/.bash_profile")
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elif os.path.exists(os.path.expanduser("~/.zshrc")):
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print(f'echo "export PATH=\\$PATH:{abs_binary_directory}" >> ~/.zshrc')
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print("source ~/.zshrc")
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else:
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print(f"export PATH=$PATH:{abs_binary_directory}")
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if __name__ == "__main__":
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main()
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