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ipam_control/scripts/find_duplicate_addresses.py
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"""Только чтение: IP-адреса, записанные несколько раз в одном VRF (мешают миграции 0007). Запуск: venv/bin/python scripts/find_duplicate_addresses.py"""
import pathlib
import psycopg
env = dict(l.split("=", 1) for l in pathlib.Path(__file__).resolve().parent.parent.joinpath(".env").read_text().split() if "=" in l)
dsn = f"postgresql://{env['POSTGRES_USER']}:{env['POSTGRES_PASSWORD']}@127.0.0.1:{env['DB_HOST_PORT']}/{env['POSTGRES_DB']}"
with psycopg.connect(dsn) as conn:
rows = conn.execute(
"SELECT p.vrf_id, host(a.address), array_agg(p.prefix::text || ' (адрес id=' || a.id || ')' ORDER BY p.id) "
"FROM addresses a JOIN prefixes p ON p.id = a.prefix_id GROUP BY p.vrf_id, host(a.address) HAVING count(*) > 1 ORDER BY 1, 2").fetchall()
for vrf, ip, where in rows:
print(f"VRF {vrf}: {ip} — {'; '.join(where)}")
print(f"найдено: {len(rows)}")