Files
virtuality/scripts/patch_vm_network_guard.py
T

54 строки
1.9 KiB
Python

#!/usr/bin/env python3
from pathlib import Path
import sys
app_path = Path(sys.argv[1]) if len(sys.argv) > 1 else Path('/opt/virtuality/web/app.py')
if not app_path.exists():
raise SystemExit(f'app.py not found: {app_path}')
text = app_path.read_text()
changed = []
helper = '''
def bridge_exists(name: str) -> bool:
if not name or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", name):
return False
return run_cmd(["ip", "link", "show", name], timeout=5)["ok"]
'''
if 'def bridge_exists(name: str) -> bool:' not in text:
marker = '\n\ndef default_network_mode() -> str:'
if marker not in text:
raise SystemExit('default_network_mode marker not found')
text = text.replace(marker, helper + marker, 1)
changed.append('bridge_exists helper added')
else:
changed.append('bridge_exists helper already present')
old_validation = ''' elif network_mode == "bridge" and (not bridge or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", bridge)):
error = "Некорректное имя bridge."
else:
iso = Path(iso_path).resolve()
'''
new_validation = ''' elif network_mode == "bridge" and (not bridge or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", bridge)):
error = "Некорректное имя bridge."
elif network_mode == "bridge" and not bridge_exists(bridge):
error = f"Bridge {bridge} не найден на сервере. Для VPS выбери режим NAT Router — virtuality-nat, либо сначала создай bridge {bridge}."
else:
iso = Path(iso_path).resolve()
'''
if old_validation in text:
text = text.replace(old_validation, new_validation, 1)
changed.append('bridge existence validation added')
elif new_validation in text:
changed.append('bridge existence validation already present')
else:
raise SystemExit('bridge validation marker not found')
app_path.write_text(text)
print('vm network guard patch applied:')
for item in changed:
print(f'- {item}')