Add 'snapcfg.py'

snapcfg.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+#from os import scandir
+from hashlib import md5
+from pathlib import Path
+from datetime import datetime
+
+def _copy(self, target):
+    import shutil
+    assert self.is_file()
+    shutil.copy(str(self), str(target))
+
+def _md5(self):
+    from hashlib import md5
+    assert self.is_file()
+    return md5(self.read_bytes()).hexdigest()
+
+Path.copy = _copy
+Path.md5 = _md5
+
+snapdir = Path("/srv/snapdisk")
+cfgname = "snapraid.conf"
+cfgmaster = Path(f"/etc/{cfgname}")
+snapdisks = [x for x in snapdir.iterdir() if x.is_dir()]
+print(f"[{datetime.now()}] snapcfg: validating snapraid configuration backups")
+
+for snapdisk in snapdisks:
+    target = Path(snapdisk, cfgname)
+    if (target.exists() and (target.md5() != cfgmaster.md5())):
+        target.rename(target.with_suffix(".bak"))
+        print(f"[{datetime.now()}] Moved {target} to {target.with_suffix('.bak')}")
+    if not target.exists():
+        cfgmaster.copy(target)
+        if target.exists():
+            print(f"[{datetime.now()}] Copied {cfgmaster} to {target}")
+        else:
+            print(f"[{datetime.now()}] Backup copy of {cfgmaster} to {target} failed!")