Add centralized constants module and .env configuration support

app/mikrotik.py

@@ -9,6 +9,7 @@ from typing import Iterable
 
 from .ip_utils import is_ipv4, is_ipv6, is_whitelisted, parse_ip
 from .whitelists import WHITELISTS
+from .constants import BLOCKLIST_NAME
 
 
 def split_cidr_versions(targets: Iterable[str]) -> tuple[list[str], list[str]]:
@@ -76,12 +77,12 @@ def mikrotik_script(tag: str, blocked_ips_or_subnets: Iterable[str],
     if block_v4:
         lines.append(f"# Blocked IPv4 ({len(block_v4)}, non-whitelisted)")
         lines.append("/ip firewall address-list")
-        lines += [f"add list=Blocked address={t}" for t in block_v4]
+        lines += [f"add list={BLOCKLIST_NAME} address={t}" for t in block_v4]
         lines.append("")
     if block_v6:
         lines.append(f"# Blocked IPv6 ({len(block_v6)}, non-whitelisted)")
         lines.append("/ipv6 firewall address-list")
-        lines += [f"add list=Blocked address={t}" for t in block_v6]
+        lines += [f"add list={BLOCKLIST_NAME} address={t}" for t in block_v6]
         lines.append("")
 
     for version, cmd, blocks in ((4, "/ip firewall filter", block_v4),
@@ -94,7 +95,7 @@ def mikrotik_script(tag: str, blocked_ips_or_subnets: Iterable[str],
         if blocks:
             for chain in ("input", "forward"):
                 lines.append(
-                    f"add chain={chain} action=drop src-address-list=Blocked "
+                    f"add chain={chain} action=drop src-address-list={BLOCKLIST_NAME} "
                     f'comment="{tag} blocked (v{version})"')
         lines.append("")