| #!/usr/bin/env python3 |
| # Copyright 2020 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Gets info about completed chromiumos-sdk runs. |
| |
| Moreover, this script exists to get versions of published sdk tarballs in |
| gs://chromiumos-sdk/. The hope is that it'll help answer the question "when did |
| the toolchain ebuild ${x} go live?" |
| """ |
| |
| import argparse |
| import json |
| import logging |
| import os |
| from pathlib import Path |
| import shutil |
| import subprocess |
| import sys |
| import tempfile |
| from typing import Dict, List |
| |
| |
| def fetch_all_sdk_manifest_paths() -> List[str]: |
| """Fetches all paths of SDK manifests; newer = later in the return value.""" |
| results = subprocess.run( |
| ["gsutil", "ls", "gs://chromiumos-sdk/cros-sdk-20??.*.Manifest"], |
| check=True, |
| stdout=subprocess.PIPE, |
| encoding="utf-8", |
| ).stdout |
| # These are named so that sorted order == newest last. |
| return sorted(x.strip() for x in results.splitlines()) |
| |
| |
| def fetch_manifests_into(into_dir: Path, manifests: List[str]): |
| # Wrap this in a `try` block because gsutil likes to print to stdout *and* |
| # stderr even on success, so we silence them & only print on failure. |
| try: |
| subprocess.run( |
| [ |
| "gsutil", |
| "-m", |
| "cp", |
| "-I", |
| str(into_dir), |
| ], |
| check=True, |
| input="\n".join(manifests), |
| stdout=subprocess.PIPE, |
| stderr=subprocess.STDOUT, |
| encoding="utf-8", |
| ) |
| except subprocess.CalledProcessError as e: |
| logging.exception("gsutil failed; output:\n%s", e.stdout) |
| |
| |
| def load_manifest_versions(manifest: Path) -> Dict[str, str]: |
| with manifest.open(encoding="utf-8") as f: |
| raw_versions = json.load(f) |
| |
| # We get a dict of list of lists of versions and some other metadata, e.g. |
| # {"foo/bar": [["1.2.3", {}]]} |
| # Trim out the metadata. |
| return {k: v[0][0] for k, v in raw_versions["packages"].items()} |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser( |
| description=__doc__, |
| formatter_class=argparse.RawDescriptionHelpFormatter, |
| ) |
| parser.add_argument( |
| "-d", "--debug", action="store_true", help="Emit debugging output" |
| ) |
| parser.add_argument( |
| "-n", |
| "--number", |
| type=int, |
| default=20, |
| help="Number of recent manifests to fetch info about. 0 means unlimited.", |
| ) |
| args = parser.parse_args() |
| |
| is_debug = args.debug |
| logging.basicConfig(level=logging.DEBUG if is_debug else logging.INFO) |
| |
| logging.debug("Fetching SDK manifests") |
| manifest_paths = fetch_all_sdk_manifest_paths() |
| logging.debug("%d SDK manifests fetched", len(manifest_paths)) |
| |
| number = args.number |
| if number: |
| manifest_paths = manifest_paths[-number:] |
| |
| tempdir = Path(tempfile.mkdtemp(prefix="cros-sdk-rolls")) |
| try: |
| logging.debug("Working in tempdir %r", tempdir) |
| fetch_manifests_into(tempdir, manifest_paths) |
| |
| for path in manifest_paths: |
| basename = os.path.basename(path) |
| versions = load_manifest_versions(tempdir.joinpath(basename)) |
| print(f'{basename}: {versions["sys-devel/llvm"]}') |
| finally: |
| if is_debug: |
| logging.debug("Keeping around tempdir %r to aid debugging", tempdir) |
| else: |
| shutil.rmtree(tempdir) |
| |
| |
| if __name__ == "__main__": |
| sys.exit(main()) |