export-all-verif

test_tube_scanner/backup/services.py

@@ -0,0 +1,61 @@
+'''
+Created on 18 mai 2026
+
+@author: denis
+'''
+from pathlib import Path
+from datetime import datetime
+import subprocess
+import gzip
+import shutil
+
+from django.conf import settings
+
+BACKUP_DIR = Path(settings.BACKUP_DIR)
+
+
+def mariadb_backup():
+    BACKUP_DIR.mkdir(parents=True, exist_ok=True)
+
+    db = settings.DATABASES["default"]
+
+    db_name = db["NAME"]
+    db_user = db["USER"]
+    db_password = db["PASSWORD"]
+    db_host = db.get("HOST", "localhost")
+    db_port = str(db.get("PORT", 3306))
+
+    timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
+
+    sql_file = BACKUP_DIR / f"{db_name}_{timestamp}.sql"
+    gz_file = BACKUP_DIR / f"{db_name}_{timestamp}.sql.gz"
+
+    cmd = [
+        "mariadb-dump",
+        "--single-transaction",
+        "--quick",
+        "--routines",
+        "--triggers",
+        "-h", db_host,
+        "-P", db_port,
+        "-u", db_user,
+        f"-p{db_password}",
+        db_name,
+    ]
+
+    with open(sql_file, "wb") as f:
+        result = subprocess.run(
+            cmd,
+            stdout=f,
+            stderr=subprocess.PIPE,
+            check=True,
+        )
+
+    with open(sql_file, "rb") as f_in:
+        with gzip.open(gz_file, "wb") as f_out:
+            shutil.copyfileobj(f_in, f_out)
+
+    sql_file.unlink()
+
+    return str(gz_file)
+