Feature/nat 329 validate interface names for migrate

gso/workflows/iptrunk/migrate_iptrunk.py

@@ -37,6 +37,7 @@ from gso.utils.helpers import (
     available_lags_choices,
     get_router_vendor,
     set_isis_to_90000,
+    validate_interface_name_list,
 )
 
 logger = getLogger(__name__)
@@ -155,6 +156,11 @@ def initial_input_form_generator(subscription_id: UUIDstr) -> FormGenerator:
                     raise ValueError(msg)
             return new_lag_interface
 
+        @validator("new_lag_member_interfaces", allow_reuse=True, pre=True, always=True)
+        def is_interface_names_valid_juniper(cls, new_lag_member_interfaces: list[LAGMember]) -> list[LAGMember]:
+            vendor = get_router_vendor(new_router)
+            return validate_interface_name_list(new_lag_member_interfaces, vendor)
+
     new_side_input = yield NewSideIPTrunkForm
     return (
         migrate_form_input.dict()