Enhance ExaBGP configuration and scripts by adding environment variable support for neighbor IP, local AS, and router ID. Update Dockerfile to include permissions for the new generate_config.py script. Improve start.sh to generate configuration dynamically and display relevant information during startup.

scripts/load_prefixes.py

@@ -78,18 +78,23 @@ def load_all_prefixes() -> Set[str]:
 
 def announce_prefixes(prefixes: Set[str]):
     """Анонсирование префиксов через ExaBGP API"""
+    # Получение настроек из переменных окружения
+    neighbor_ip = os.environ.get('BGP_NEIGHBOR_IP', '192.168.1.1')
+    local_as = int(os.environ.get('BGP_LOCAL_AS', '65000'))
+    router_id = os.environ.get('BGP_ROUTER_ID', '192.168.1.100')
+    
     for prefix in sorted(prefixes):
         # Формат команды для ExaBGP
         command = {
             "command": "announce route",
             "neighbor": {
-                "ip": "192.168.1.1",
+                "ip": neighbor_ip,
                 "description": "RouterOS peer"
             },
             "attribute": {
                 "origin": "igp",
-                "as-path": [65000],
-                "next-hop": "192.168.1.100"
+                "as-path": [local_as],
+                "next-hop": router_id
             },
             "nlri": prefix
         }
@@ -100,11 +105,14 @@ def announce_prefixes(prefixes: Set[str]):
 
 def withdraw_prefixes(prefixes: Set[str]):
     """Отзыв префиксов через ExaBGP API"""
+    # Получение настроек из переменных окружения
+    neighbor_ip = os.environ.get('BGP_NEIGHBOR_IP', '192.168.1.1')
+    
     for prefix in sorted(prefixes):
         command = {
             "command": "withdraw route",
             "neighbor": {
-                "ip": "192.168.1.1",
+                "ip": neighbor_ip,
                 "description": "RouterOS peer"
             },
             "nlri": prefix