change nix schema

This commit is contained in:
satr14washere 2026-03-22 07:15:41 +07:00
commit be1ebe0d15
32 changed files with 238 additions and 344 deletions

View file

@ -6,7 +6,7 @@ Reads each JSON domain config and generates a corresponding .nix file
following the format from docs/example.nix.
Usage:
python3 scripts/migrate-json-to-nix.py [--dry-run] [--delete-json]
python3 scripts/migrate-nix.py [--dry-run] [--delete-json]
Options:
--dry-run Print generated .nix content to stdout without writing files
@ -15,7 +15,6 @@ Options:
import json
import sys
import os
from pathlib import Path
DOMAINS_DIR = Path(__file__).resolve().parent.parent / "domains"
@ -31,37 +30,36 @@ def json_to_nix(data: dict) -> str:
lines = []
# Header
lines.append("{ dns, ... }: let")
# Owner block
owner_lines = []
if owner.get("username"):
owner_lines.append(f' username = "{owner["username"]}";')
if owner.get("email"):
owner_lines.append(f' email = "{owner["email"]}";')
if owner.get("discord"):
owner_lines.append(f' discord = "{owner["discord"]}";')
if owner.get("repo"):
owner_lines.append(f' repo = "{owner["repo"]}";')
# Header — no let block, just the function head with `with`
lines.append("{ dns, ... }: with dns.lib.combinators; {")
# Owner block as a top-level attribute
lines.append(" owner = {")
for ol in owner_lines:
lines.append(ol)
if owner.get("username"):
lines.append(f' username = "{escape_nix_string(owner["username"])}";')
if owner.get("email"):
lines.append(f' email = "{escape_nix_string(owner["email"])}";')
if owner.get("discord"):
lines.append(f' discord = "{escape_nix_string(owner["discord"])}";')
if owner.get("repo"):
lines.append(f' repo = "{escape_nix_string(owner["repo"])}";')
lines.append(" };")
# Description as a top-level attribute
if description is not None:
lines.append(f' description = "{escape_nix_string(description)}";')
# Proxy as a top-level attribute
if proxy is not None:
lines.append(f" proxy = {'true' if proxy else 'false'};")
lines.append("in with dns.lib.combinators; {")
# Records
# Records nested under `records`
record_lines = build_record_lines(record)
for rl in record_lines:
lines.append(rl)
if record_lines:
lines.append(" records = {")
for rl in record_lines:
lines.append(rl)
lines.append(" };")
lines.append("}")
lines.append("")
@ -78,129 +76,131 @@ def escape_nix_string(s: str) -> str:
def build_record_lines(record: dict) -> list[str]:
"""Build the Nix record lines from the JSON record dict."""
"""Build the Nix record lines from the JSON record dict.
These are indented with 4 spaces since they sit inside `records = { ... };`.
"""
lines = []
if "A" in record:
values = record["A"]
if isinstance(values, list):
if len(values) == 1:
lines.append(f' A = [ "{values[0]}" ];')
lines.append(f' A = [ "{values[0]}" ];')
else:
lines.append(" A = [")
lines.append(" A = [")
for v in values:
lines.append(f' "{v}"')
lines.append(" ];")
lines.append(f' "{v}"')
lines.append(" ];")
else:
lines.append(f' A = [ "{values}" ];')
lines.append(f' A = [ "{values}" ];')
if "AAAA" in record:
values = record["AAAA"]
if isinstance(values, list):
if len(values) == 1:
lines.append(f' AAAA = [ "{values[0]}" ];')
lines.append(f' AAAA = [ "{values[0]}" ];')
else:
lines.append(" AAAA = [")
lines.append(" AAAA = [")
for v in values:
lines.append(f' "{v}"')
lines.append(" ];")
lines.append(f' "{v}"')
lines.append(" ];")
else:
lines.append(f' AAAA = [ "{values}" ];')
lines.append(f' AAAA = [ "{values}" ];')
if "CNAME" in record:
value = record["CNAME"]
if isinstance(value, list):
value = value[0]
lines.append(f' CNAME = [ "{value}." ];')
lines.append(f' CNAME = [ "{ensure_fqdn(value)}" ];')
if "ALIAS" in record:
value = record["ALIAS"]
if isinstance(value, list):
value = value[0]
# ALIAS is typically handled as CNAME in dns.nix
lines.append(f' CNAME = [ "{value}." ];')
lines.append(f' CNAME = [ "{ensure_fqdn(value)}" ];')
if "MX" in record:
values = record["MX"]
if isinstance(values, list):
lines.append(" MX = [")
lines.append(" MX = [")
for i, v in enumerate(values):
# MX records need priority; default to (i+1)*10
priority = (i + 1) * 10
lines.append(" {")
lines.append(f' exchange = "{ensure_fqdn(v)}";')
lines.append(f" preference = {priority};")
lines.append(" }")
lines.append(" ];")
lines.append(" {")
lines.append(f' exchange = "{ensure_fqdn(v)}";')
lines.append(f" preference = {priority};")
lines.append(" }")
lines.append(" ];")
else:
lines.append(" MX = [")
lines.append(" {")
lines.append(f' exchange = "{ensure_fqdn(values)}";')
lines.append(" preference = 10;")
lines.append(" }")
lines.append(" ];")
lines.append(" MX = [")
lines.append(" {")
lines.append(f' exchange = "{ensure_fqdn(values)}";')
lines.append(" preference = 10;")
lines.append(" }")
lines.append(" ];")
if "TXT" in record:
values = record["TXT"]
if isinstance(values, list):
if len(values) == 1:
lines.append(f' TXT = [ "{escape_nix_string(values[0])}" ];')
lines.append(f' TXT = [ "{escape_nix_string(values[0])}" ];')
else:
lines.append(" TXT = [")
lines.append(" TXT = [")
for v in values:
lines.append(f' "{escape_nix_string(v)}"')
lines.append(" ];")
lines.append(f' "{escape_nix_string(v)}"')
lines.append(" ];")
else:
lines.append(f' TXT = [ "{escape_nix_string(values)}" ];')
lines.append(f' TXT = [ "{escape_nix_string(values)}" ];')
if "NS" in record:
values = record["NS"]
if isinstance(values, list):
if len(values) == 1:
lines.append(f' NS = [ "{ensure_fqdn(values[0])}" ];')
lines.append(f' NS = [ "{ensure_fqdn(values[0])}" ];')
else:
lines.append(" NS = [")
lines.append(" NS = [")
for v in values:
lines.append(f' "{ensure_fqdn(v)}"')
lines.append(" ];")
lines.append(f' "{ensure_fqdn(v)}"')
lines.append(" ];")
else:
lines.append(f' NS = [ "{ensure_fqdn(values)}" ];')
lines.append(f' NS = [ "{ensure_fqdn(values)}" ];')
if "SRV" in record:
values = record["SRV"]
if isinstance(values, list):
lines.append(" SRV = [")
lines.append(" SRV = [")
for srv in values:
lines.append(" {")
lines.append(" {")
if "service" in srv:
lines.append(f' service = "{srv["service"]}";')
lines.append(f' service = "{srv["service"]}";')
if "proto" in srv:
lines.append(f' proto = "{srv["proto"]}";')
lines.append(f' proto = "{srv["proto"]}";')
if "port" in srv:
lines.append(f" port = {srv['port']};")
lines.append(f" port = {srv['port']};")
if "priority" in srv:
lines.append(f" priority = {srv['priority']};")
lines.append(f" priority = {srv['priority']};")
if "weight" in srv:
lines.append(f" weight = {srv['weight']};")
lines.append(f" weight = {srv['weight']};")
if "target" in srv:
lines.append(f' target = "{ensure_fqdn(srv["target"])}";')
lines.append(" }")
lines.append(" ];")
lines.append(f' target = "{ensure_fqdn(srv["target"])}";')
lines.append(" }")
lines.append(" ];")
if "CAA" in record:
values = record["CAA"]
if isinstance(values, list):
lines.append(" CAA = [")
lines.append(" CAA = [")
for caa in values:
lines.append(" {")
lines.append(" {")
if "flags" in caa:
lines.append(f" flags = {caa['flags']};")
lines.append(f" flags = {caa['flags']};")
if "tag" in caa:
lines.append(f' tag = "{caa["tag"]}";')
lines.append(f' tag = "{caa["tag"]}";')
if "value" in caa:
lines.append(f' value = "{escape_nix_string(caa["value"])}";')
lines.append(" }")
lines.append(" ];")
lines.append(f' value = "{escape_nix_string(caa["value"])}";')
lines.append(" }")
lines.append(" ];")
return lines