-
Notifications
You must be signed in to change notification settings - Fork 124
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Verify and auto-update native dependencies built in CI.
- Loading branch information
Showing
2 changed files
with
313 additions
and
8 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,176 @@ | ||
#!/usr/bin/env python3 | ||
import argparse | ||
import hashlib | ||
import json | ||
import os | ||
import sys | ||
from pathlib import Path | ||
from typing import Dict, List, NamedTuple, Tuple | ||
|
||
|
||
class BuildInfo(NamedTuple): | ||
commit_sha: str | ||
platform: str | ||
files: Dict[str, str] # relative path -> sha256 | ||
|
||
|
||
def calculate_checksum(file_path: Path) -> str: | ||
"""Calculate SHA-256 checksum of a file.""" | ||
sha256_hash = hashlib.sha256() | ||
with open(file_path, "rb") as f: | ||
# Read in 1MB chunks to handle large files efficiently | ||
for byte_block in iter(lambda: f.read(4096 * 256), b""): | ||
sha256_hash.update(byte_block) | ||
return sha256_hash.hexdigest() | ||
|
||
|
||
def scan_deps(deps_dir: Path) -> Dict[str, str]: | ||
"""Scan directory for dependency files and calculate their checksums.""" | ||
checksums = {} | ||
for file_path in deps_dir.rglob("*"): | ||
if not file_path.is_file(): | ||
continue | ||
|
||
# Only process shared libraries, static libraries, and headers | ||
if not ( | ||
file_path.suffix in [".so", ".dylib", ".a", ".h"] | ||
or ( | ||
file_path.suffix.startswith(".so.") | ||
or file_path.suffix.startswith(".dylib.") | ||
) | ||
): | ||
continue | ||
|
||
# Get path relative to deps_dir | ||
rel_path = str(file_path.relative_to(deps_dir)) | ||
try: | ||
checksums[rel_path] = calculate_checksum(file_path) | ||
except (IOError, OSError) as e: | ||
print(f"Error processing {rel_path}: {e}", file=sys.stderr) | ||
continue | ||
|
||
return checksums | ||
|
||
|
||
def generate_build_info(deps_dir: Path, platform: str, commit_sha: str) -> BuildInfo: | ||
"""Generate build info for the given deps directory.""" | ||
checksums = scan_deps(deps_dir) | ||
return BuildInfo(commit_sha=commit_sha, platform=platform, files=checksums) | ||
|
||
|
||
def verify_deps(deps_dir: Path, build_info: BuildInfo) -> Tuple[bool, List[str]]: | ||
"""Verify deps directory against build info.""" | ||
mismatches = [] | ||
valid = True | ||
|
||
# Get current state of deps directory | ||
current_checksums = scan_deps(deps_dir) | ||
|
||
print(f"Found {len(current_checksums)} files to verify") | ||
|
||
# Check for missing or mismatched files | ||
for rel_path, expected_checksum in build_info.files.items(): | ||
if rel_path not in current_checksums: | ||
mismatches.append(f"{rel_path}: file not found in deps directory") | ||
valid = False | ||
continue | ||
|
||
actual_checksum = current_checksums[rel_path] | ||
if actual_checksum != expected_checksum: | ||
mismatches.append( | ||
f"{rel_path}: checksum mismatch\n" | ||
f" expected: {expected_checksum}\n" | ||
f" got: {actual_checksum}" | ||
) | ||
valid = False | ||
else: | ||
print(f"Verified: {rel_path}") | ||
|
||
# Check for extra files | ||
for rel_path in current_checksums: | ||
if rel_path not in build_info.files: | ||
mismatches.append(f"{rel_path}: extra file in deps directory") | ||
valid = False | ||
|
||
return valid, mismatches | ||
|
||
|
||
def main(): | ||
parser = argparse.ArgumentParser(description="Verify Lilliput dependencies") | ||
|
||
# Create subparsers first | ||
subparsers = parser.add_subparsers(dest="command", required=True) | ||
|
||
# Generate command | ||
generate_parser = subparsers.add_parser( | ||
"generate", help="Generate build info for dependencies" | ||
) | ||
generate_parser.add_argument( | ||
"--deps-dir", required=True, type=Path, help="Directory containing dependencies" | ||
) | ||
generate_parser.add_argument( | ||
"--platform", | ||
required=True, | ||
choices=["linux", "macos"], | ||
help="Platform identifier", | ||
) | ||
generate_parser.add_argument( | ||
"--commit", required=True, help="Commit SHA that produced the build" | ||
) | ||
generate_parser.add_argument( | ||
"--output", type=Path, help="Output file (default: <deps-dir>/build-info.json)" | ||
) | ||
|
||
# Verify command | ||
verify_parser = subparsers.add_parser( | ||
"verify", help="Verify deps against build info" | ||
) | ||
verify_parser.add_argument( | ||
"--deps-dir", required=True, type=Path, help="Directory containing dependencies" | ||
) | ||
verify_parser.add_argument( | ||
"--build-info", required=True, type=Path, help="Path to build info JSON file" | ||
) | ||
|
||
args = parser.parse_args() | ||
|
||
if not os.path.exists(args.deps_dir): | ||
print(f"Error: deps directory not found: {args.deps_dir}", file=sys.stderr) | ||
sys.exit(1) | ||
|
||
if args.command == "generate": | ||
build_info = generate_build_info(args.deps_dir, args.platform, args.commit) | ||
|
||
output_file = args.output or args.deps_dir / "build-info.json" | ||
|
||
try: | ||
with open(output_file, "w") as f: | ||
json.dump(build_info._asdict(), f, indent=4) | ||
print(f"Build info generated successfully: {output_file}") | ||
except (IOError, OSError) as e: | ||
print(f"Error writing build info: {e}", file=sys.stderr) | ||
sys.exit(1) | ||
|
||
elif args.command == "verify": | ||
try: | ||
with open(args.build_info) as f: | ||
build_info_dict = json.load(f) | ||
build_info = BuildInfo(**build_info_dict) | ||
except (IOError, OSError, json.JSONDecodeError) as e: | ||
print(f"Error reading build info: {e}", file=sys.stderr) | ||
sys.exit(1) | ||
|
||
print(f"Verifying deps against build from commit {build_info.commit_sha}") | ||
valid, mismatches = verify_deps(args.deps_dir, build_info) | ||
|
||
if not valid: | ||
print("\nVerification failed:") | ||
for mismatch in mismatches: | ||
print(f" {mismatch}") | ||
sys.exit(1) | ||
|
||
print("\nAll dependencies verified successfully") | ||
|
||
|
||
if __name__ == "__main__": | ||
main() |