agnos.py: retry swap (commaai#21608)

* retry until success

* try this

* redirect stderr

* also check positive

* add logging

* f string

selfdrive/hardware/tici/agnos.py

@@ -176,13 +176,19 @@ def flash_partition(target_slot_number: int, partition: dict, cloudlog, spinner:
       out.write(partition['hash_raw'].lower().encode())
 
 
-def swap(manifest_path: str, target_slot_number: int) -> None:
+def swap(manifest_path: str, target_slot_number: int, cloudlog) -> None:
   update = json.load(open(manifest_path))
   for partition in update:
     if not partition.get('full_check', False):
       clear_partition_hash(target_slot_number, partition)
 
-  subprocess.check_output(f"abctl --set_active {target_slot_number}", shell=True)
+  while True:
+    out = subprocess.check_output(f"abctl --set_active {target_slot_number}", shell=True, stderr=subprocess.STDOUT, encoding='utf8')
+    if ("No such file or directory" not in out) and ("lun as boot lun" in out):
+      cloudlog.info(f"Swap successfull {out}")
+      break
+    else:
+      cloudlog.error(f"Swap failed {out}")
 
 
 def flash_agnos_update(manifest_path: str, target_slot_number: int, cloudlog, spinner: Optional[Spinner] = None) -> None:
@@ -246,6 +252,6 @@ def verify_agnos_update(manifest_path: str, target_slot_number: int) -> bool:
       flash_agnos_update(args.manifest, target_slot_number, logging, spinner)
 
     logging.warning(f"Verification succeeded. Swapping to slot {target_slot_number}")
-    swap(args.manifest, target_slot_number)
+    swap(args.manifest, target_slot_number, logging)
   else:
     flash_agnos_update(args.manifest, target_slot_number, logging, spinner)