chore: add script for cache
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Xor290
@@ -0,0 +1,289 @@
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#!/usr/bin/env python3
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"""
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eas_cache.py — Cache manager for EAS local builds stored on RustFS/S3
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Reproduit le système de cache d'Expo cloud pour les builds locaux :
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1. restore : télécharge le cache Gradle depuis S3 et l'extrait dans ~/.gradle
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2. save : compresse ~/.gradle et l'upload dans S3
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Clé de cache = sha256(package-lock.json + app.json) → premier appel exact,
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sha256(package-lock.json) → fallback si app.json change
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Usage:
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python scripts/eas_cache.py restore --app mobile
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python scripts/eas_cache.py save --app mobile
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Variables d'environnement requises:
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AWS_ACCESS_KEY_ID
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AWS_SECRET_ACCESS_KEY
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S3_ENDPOINT ex: https://s3.uber-stup.club
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S3_BUCKET ex: build-cache (défaut: build-cache)
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"""
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import argparse
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import hashlib
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import os
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import sys
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import tarfile
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import time
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from pathlib import Path
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# ── Dirs à cacher ──────────────────────────────────────────────────────────────
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CACHE_DIRS = [
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Path.home() / ".gradle" / "caches" / "modules-2", # dépendances Maven/Gradle
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Path.home() / ".gradle" / "caches" / "transforms-3", # artefacts transformés
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Path.home() / ".gradle" / "wrapper" / "dists", # distribution Gradle
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]
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# Fichiers utilisés pour calculer la clé de cache par app
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HASH_FILES = {
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"omnex-plateform-client": ["omnex-plateform-client/package-lock.json", "omnex-plateform-client/app.json"],
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"omnex-plateform-app": ["omnex-plateform-app/package-lock.json", "omnex-plateform-app/app.json"],
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}
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# ── Clé de cache ───────────────────────────────────────────────────────────────
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def compute_key(app: str, repo_root: Path, full: bool = True) -> str:
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"""Calcule la clé de cache (sha256 tronqué à 16 chars)."""
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files = HASH_FILES[app]
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if not full:
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files = files[:1] # fallback : seulement package-lock.json
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h = hashlib.sha256()
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for rel in files:
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path = repo_root / rel
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if path.exists():
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h.update(path.read_bytes())
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else:
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h.update(rel.encode()) # fichier absent → on hash le nom pour différencier
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return h.hexdigest()[:16]
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def s3_key(app: str, cache_key: str) -> str:
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return f"gradle-cache/{app}/{cache_key}.tar.gz"
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BUCKET_DEFAULT = "apk-builds"
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# ── Helpers S3 ─────────────────────────────────────────────────────────────────
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def _boto3_client():
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try:
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import boto3
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from botocore.config import Config
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import urllib3
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urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
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except ImportError:
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print("❌ boto3 non installé — lance : pip install boto3")
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sys.exit(1)
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endpoint = os.environ.get("S3_ENDPOINT", "").rstrip("/")
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if not endpoint:
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print("❌ Variable S3_ENDPOINT manquante")
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sys.exit(1)
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return boto3.client(
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"s3",
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endpoint_url=endpoint,
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aws_access_key_id=os.environ["AWS_ACCESS_KEY_ID"],
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aws_secret_access_key=os.environ["AWS_SECRET_ACCESS_KEY"],
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region_name=os.environ.get("AWS_DEFAULT_REGION", "us-east-1"),
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config=Config(
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s3={"addressing_style": "path"},
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signature_version="s3v4",
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),
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verify=False,
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)
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def ensure_bucket(s3, bucket: str):
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"""Crée le bucket s'il n'existe pas."""
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try:
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s3.head_bucket(Bucket=bucket)
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except Exception:
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try:
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s3.create_bucket(Bucket=bucket)
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print(f"🪣 Bucket '{bucket}' créé")
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except Exception as e:
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print(f"❌ Impossible de créer le bucket '{bucket}': {e}")
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sys.exit(1)
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class _Progress:
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"""Affiche la progression upload/download en MB."""
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def __init__(self, total: int, label: str):
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self.total = total
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self.done = 0
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self.label = label
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self.start = time.time()
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def __call__(self, chunk: int):
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self.done += chunk
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pct = self.done * 100 // self.total if self.total else 0
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mb_done = self.done / 1_048_576
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mb_total = self.total / 1_048_576
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elapsed = time.time() - self.start
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speed = (self.done / elapsed / 1_048_576) if elapsed > 0 else 0
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print(
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f"\r {self.label} {mb_done:.1f}/{mb_total:.1f} MB {pct}% {speed:.1f} MB/s",
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end="",
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flush=True,
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)
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if self.done >= self.total:
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print()
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def object_exists(s3, bucket: str, key: str) -> bool:
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try:
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s3.head_object(Bucket=bucket, Key=key)
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return True
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except Exception:
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return False
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def object_size(s3, bucket: str, key: str) -> int:
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try:
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resp = s3.head_object(Bucket=bucket, Key=key)
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return resp["ContentLength"]
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except Exception:
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return 0
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# ── Commande restore ───────────────────────────────────────────────────────────
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def restore(app: str, repo_root: Path, bucket: str):
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s3 = _boto3_client()
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ensure_bucket(s3, bucket)
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full_key = compute_key(app, repo_root, full=True)
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fallback_key = compute_key(app, repo_root, full=False)
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hit_key = None
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for label, ck in [("exact", full_key), ("fallback", fallback_key)]:
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obj = s3_key(app, ck)
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if object_exists(s3, bucket, obj):
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print(f"✅ Cache {label} trouvé → {obj}")
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hit_key = ck
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break
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if hit_key is None:
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print("ℹ️ Aucun cache trouvé (premier build ou clé inconnue)")
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return
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obj = s3_key(app, hit_key)
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size = object_size(s3, bucket, obj)
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progress = _Progress(size, "⬇️ download")
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import tempfile
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with tempfile.TemporaryFile() as tmp:
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s3.download_fileobj(bucket, obj, tmp, Callback=progress)
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tmp.seek(0)
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print("📦 Extraction du cache…")
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with tarfile.open(fileobj=tmp, mode="r:gz") as tf:
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tf.extractall(path=Path.home())
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print(f"✅ Cache restauré ({size / 1_048_576:.1f} MB)")
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# ── Commande save ──────────────────────────────────────────────────────────────
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def save(app: str, repo_root: Path, bucket: str):
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s3 = _boto3_client()
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ensure_bucket(s3, bucket)
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cache_key = compute_key(app, repo_root, full=True)
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obj = s3_key(app, cache_key)
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# Pas besoin de re-uploader si la clé existe déjà
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if object_exists(s3, bucket, obj):
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print(f"ℹ️ Cache déjà présent pour cette clé ({cache_key}), skip upload")
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return
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dirs_to_cache = [d for d in CACHE_DIRS if d.exists()]
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if not dirs_to_cache:
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print("⚠️ Aucun répertoire Gradle à cacher (~/.gradle introuvable)")
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return
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print(f"📦 Compression de {len(dirs_to_cache)} répertoires…")
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for d in dirs_to_cache:
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print(f" {d}")
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import io
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buf = io.BytesIO()
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with tarfile.open(fileobj=buf, mode="w:gz", compresslevel=6) as tf:
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for d in dirs_to_cache:
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# Chemin relatif depuis home pour restaurer au bon endroit
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arcname = str(d.relative_to(Path.home()))
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tf.add(d, arcname=arcname)
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size = buf.tell()
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buf.seek(0)
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print(f"⬆️ Upload {obj} ({size / 1_048_576:.1f} MB)…")
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progress = _Progress(size, "⬆️ upload ")
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s3.upload_fileobj(buf, bucket, obj, Callback=progress)
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print(f"✅ Cache sauvegardé ({cache_key})")
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# ── Commande clean (optionnel) ─────────────────────────────────────────────────
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def clean(app: str, bucket: str, keep: int):
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"""Supprime les anciennes entrées de cache (garde les `keep` plus récentes)."""
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s3 = _boto3_client()
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prefix = f"gradle-cache/{app}/"
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resp = s3.list_objects_v2(Bucket=bucket, Prefix=prefix)
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objs = sorted(
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resp.get("Contents", []),
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key=lambda o: o["LastModified"],
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reverse=True,
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)
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to_delete = objs[keep:]
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if not to_delete:
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print(f"ℹ️ Rien à supprimer (≤ {keep} entrées)")
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return
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s3.delete_objects(
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Bucket=bucket,
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Delete={"Objects": [{"Key": o["Key"]} for o in to_delete]},
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)
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print(f"🗑 {len(to_delete)} ancienne(s) entrée(s) supprimée(s)")
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# ── CLI ────────────────────────────────────────────────────────────────────────
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def main():
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parser = argparse.ArgumentParser(description="EAS build cache manager — RustFS/S3")
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parser.add_argument("command", choices=["restore", "save", "clean"])
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parser.add_argument("--app", required=True, choices=list(HASH_FILES.keys()))
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parser.add_argument(
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"--bucket",
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default=os.environ.get("S3_BUCKET", "apk-builds"),
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help="Nom du bucket S3 (défaut: apk-builds)",
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)
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parser.add_argument(
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"--repo-root",
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default=os.environ.get("GITHUB_WORKSPACE", "."),
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help="Racine du repo (défaut: GITHUB_WORKSPACE ou répertoire courant)",
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)
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parser.add_argument(
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"--keep",
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type=int,
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default=5,
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help="[clean] Nombre d'entrées à conserver par app (défaut: 5)",
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)
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args = parser.parse_args()
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repo_root = Path(args.repo_root).resolve()
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print(f"🔧 eas_cache | app={args.app} commande={args.command} bucket={args.bucket}")
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if args.command == "restore":
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restore(args.app, repo_root, args.bucket)
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elif args.command == "save":
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save(args.app, repo_root, args.bucket)
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elif args.command == "clean":
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clean(args.app, args.bucket, args.keep)
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if __name__ == "__main__":
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main()
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@@ -0,0 +1 @@
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boto3>=1.34.0
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@@ -0,0 +1,17 @@
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```mermaid
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graph TD
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A[Client ajoute au panier] -->|Décrémente stock| B[Stock -= quantité]
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B --> C[Ajout au panier]
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C -->|❌ Si échec| D[Stock déjà décrémenté!]
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E[Client supprime du panier] -->|Transaction DB| F[Stock += quantité]
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F --> G[Suppression du panier]
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H[Client valide commande] --> I[Panier vidé]
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I -->|Sans restaurer stock| J[Commande créée]
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K[Client annule commande] -->|Transaction DB| L[Stock += quantité]
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L --> M[Commande annulée]
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N[Paiement crypto échoue] -->|Transaction DB| O[Stock += quantité]
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```
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