Prompt before restore

backupbot.py

@@ -7,6 +7,7 @@ import subprocess
 import logging
 import docker
 import restic
+from datetime import datetime, timezone
 from restic.errors import ResticFailedError
 from pathlib import Path
 from shutil import copyfile, rmtree
@@ -143,12 +144,27 @@ def backup_volumes(backup_paths, apps, dry_run=False):
 @cli.command()
 @click.option('snapshot', '--snapshot', '-s', envvar='SNAPSHOT', default='latest')
 @click.option('target', '--target', '-t', envvar='TARGET', default='/')
-def restore(snapshot, target):
+@click.option('noninteractive', '--noninteractive', envvar='NONINTERACTIVE', default=False)
+def restore(snapshot, target, noninteractive):
     # Todo: recommend to shutdown the container
     service_paths = VOLUME_PATH
     if SERVICE:
         service_paths = service_paths + f'{SERVICE}_*'
-    print(f"restoring Snapshot {snapshot} of {service_paths} at {target}")
+    snapshots = restic.snapshots(snapshot_id=snapshot)
+    if not snapshot:
+        logging.error("No Snapshots with ID {snapshots}")
+        exit(1)
+    if not noninteractive:
+        snapshot_date = datetime.fromisoformat(snapshots[0]['time'])
+        delta = datetime.now(tz=timezone.utc) - snapshot_date
+        print(f"You are going to restore Snapshot {snapshot} of {service_paths} at {target}")
+        print(f"This snapshot is {delta} old")
+        print(f"THIS COMMAND WILL IRREVERSIBLY OVERWRITES {target}{service_paths.removeprefix('/')}")
+        prompt = input("Type YES (uppercase) to continue: ")
+        if prompt != 'YES':
+            logging.error("Restore aborted")
+            exit(1)
+    print(f"Restoring Snapshot {snapshot} of {service_paths} at {target}")
     result = restic.restore(snapshot_id=snapshot,
                             include=service_paths, target_dir=target)
     logging.debug(result)