[wip] Backup repository migration

src/migrations/0027_default_backup_repository.py

@@ -0,0 +1,59 @@
+import os
+
+from moulinette.utils.log import getActionLogger
+
+from yunohost.tools import Migration
+
+logger = getActionLogger("yunohost.migration")
+
+###################################################
+# Tools used also for restoration
+###################################################
+
+
+class MyMigration(Migration):
+    """
+    Create default backup repository
+    """
+
+    introduced_in_version = "11.2"
+    dependencies = []
+
+    @Migration.ldap_migration
+    def run(self, *args):
+
+        from yunohost.repository import BackupRepository
+        
+        # Move old tar archives in a subdir
+        # Think to people doing symbolik links or mount point on archives dir
+        OLD_TAR_ARCHIVES_PATH = "/home/yunohost.backup/archives"
+        NEW_TAR_ARCHIVES_PATH = f"{OLD_TAR_ARCHIVES_PATH}/tar"
+
+        mkdir(NEW_TAR_ARCHIVES_PATH)
+        archives = glob(f"{OLD_TAR_ARCHIVES_PATH}/*.tar.gz") + glob(f"{OLD_TAR_ARCHIVES_PATH}/*.tar")
+        for archive in archives:
+            os.rename(archive, NEW_TAR_ARCHIVES_PATH + archive.replace(OLD_TAR_ARCHIVES_PATH, ""))
+        
+        # Create a new local borg repository
+        NEW_BORG_ARCHIVES_PATH = f"{OLD_TAR_ARCHIVES_PATH}/borg"
+        args = {
+            name="Local borg archives",
+            location=NEW_BORG_ARCHIVES_PATH,
+            method="borg",
+            alert="root",
+            passphrase=None
+        }
+        repository = BackupRepository("local-borg", creation=True).set(
+            args=urllib.parse.urlencode(args, doseq=True)
+        )
+        
+        # Add the legagy tar repository
+        args = {
+            name="Local tar archives (legacy)",
+            location=NEW_TAR_ARCHIVES_PATH,
+            method="tar",
+            alert="root",
+        }
+        repository = BackupRepository("local-tar", creation=True).set(
+            args=urllib.parse.urlencode(args, doseq=True)
+        )