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Slim down docker cache size (#3190)
* slim down docker cache size Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * remove old centos images Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * troubleshoot test failure Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * fix wget version ref Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * refactor caching mechanisms Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * add cache cleanup steps Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * simplify deleting cache Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * fix first clone issue Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> * add tool dep Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com> --------- Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
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#!/usr/bin/env python3
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from __future__ import annotations
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import os
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import glob
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import sys
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import json
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import hashlib
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IGNORED_PREFIXES = []
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def find_fingerprints_and_check_dirs(base_dir):
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all_fingerprints = set(glob.glob(os.path.join(base_dir, '**', 'test*', '**', '*.fingerprint'), recursive=True))
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all_fingerprints = {os.path.relpath(fp) for fp in all_fingerprints
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if not any(fp.startswith(prefix) for prefix in IGNORED_PREFIXES)}
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if not all_fingerprints:
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show("No .fingerprint files or cache directories found.")
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exit(1)
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missing_content = []
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valid_paths = set()
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fingerprint_contents = []
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for fingerprint in all_fingerprints:
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path = fingerprint.replace('.fingerprint', '')
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if not os.path.exists(path):
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missing_content.append(path)
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continue
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if not os.path.isdir(path):
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valid_paths.add(path)
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continue
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if os.listdir(path):
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valid_paths.add(path)
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else:
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missing_content.append(path)
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with open(fingerprint, 'r') as f:
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content = f.read().strip()
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fingerprint_contents.append((fingerprint, content))
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return sorted(valid_paths), missing_content, fingerprint_contents
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def parse_fingerprint_contents(fingerprint_content):
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input_map = {}
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for line in fingerprint_content.splitlines():
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digest, path = line.split()
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input_map[path] = digest
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return input_map
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def calculate_sha256(fingerprint_contents):
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sorted_fingerprint_contents = sorted(fingerprint_contents, key=lambda x: x[0])
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concatenated_contents = ''.join(content for _, content in sorted_fingerprint_contents)
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sha256_hash = hashlib.sha256(concatenated_contents.encode()).hexdigest()
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return sha256_hash
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def calculate_file_sha256(file_path):
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sha256_hash = hashlib.sha256()
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with open(file_path, 'rb') as f:
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for byte_block in iter(lambda: f.read(4096), b""):
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sha256_hash.update(byte_block)
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return sha256_hash.hexdigest()
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def show(*s: str):
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print(*s, file=sys.stderr)
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def main(file_path: str | None):
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base_dir = '.'
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valid_paths, missing_content, fingerprint_contents = find_fingerprints_and_check_dirs(base_dir)
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if missing_content:
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show("The following paths are missing or have no content, but have corresponding .fingerprint files:")
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for path in sorted(missing_content):
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show(f"- {path}")
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show("Please ensure these paths exist and have content if they are directories.")
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exit(1)
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sha256_hash = calculate_sha256(fingerprint_contents)
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paths_with_digests = []
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for path in sorted(valid_paths):
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fingerprint_file = f"{path}.fingerprint"
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try:
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if os.path.exists(fingerprint_file):
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file_digest = calculate_file_sha256(fingerprint_file)
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# Parse the fingerprint file to get the digest/path tuples
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with open(fingerprint_file, 'r') as f:
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fingerprint_content = f.read().strip()
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input_map = parse_fingerprint_contents(fingerprint_content)
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paths_with_digests.append({
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"path": path,
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"digest": file_digest,
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"input": input_map
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})
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except Exception as e:
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show(f"Error processing {fingerprint_file}: {e}")
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raise e
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output = {
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"digest": sha256_hash,
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"paths": paths_with_digests
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}
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content = json.dumps(output, indent=2, sort_keys=True)
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if file_path:
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with open(file_path, 'w') as f:
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f.write(content)
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print(content)
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if __name__ == "__main__":
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file_path = None
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if len(sys.argv) > 1:
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file_path = sys.argv[1]
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main(file_path)
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