anti
55896b0caa
- decnet/logging/syslog_formatter.py: RFC 5424 formatter (local0 facility, decnet@55555 SD element ID, full escaping per §6.3.3) - decnet/logging/file_handler.py: rotating file handler (10 MB / 5 backups), path configurable via DECNET_LOG_FILE env var - templates/decnet_logging.py: combined syslog_line / write_syslog_file / forward_syslog helper distributed to all 22 service template dirs - All templates/*/server.py: replaced ad-hoc JSON _forward/_log with RFC 5424 syslog_line + write_syslog_file + forward_syslog - All templates/*/Dockerfile: COPY decnet_logging.py /opt/ - DecnetConfig: added log_file field; CLI: --log-file flag; composer injects DECNET_LOG_FILE env var into service containers - tests/test_syslog_formatter.py + tests/test_file_handler.py: 25 new tests Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
"""
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Pydantic models for DECNET configuration and runtime state.
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State is persisted to decnet-state.json in the working directory.
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"""
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import json
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from pathlib import Path
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from typing import Literal
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from pydantic import BaseModel, field_validator
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from decnet.distros import random_hostname as _random_hostname
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STATE_FILE = Path("decnet-state.json")
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def random_hostname(distro_slug: str = "debian") -> str:
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return _random_hostname(distro_slug)
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class DeckyConfig(BaseModel):
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name: str
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ip: str
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services: list[str]
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distro: str # slug from distros.DISTROS, e.g. "debian", "ubuntu22"
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base_image: str # Docker image for the base/IP-holder container
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build_base: str = "debian:bookworm-slim" # apt-compatible image for service Dockerfiles
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hostname: str
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service_config: dict[str, dict] = {} # optional per-service persona config
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@field_validator("services")
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@classmethod
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def services_not_empty(cls, v: list[str]) -> list[str]:
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if not v:
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raise ValueError("A decky must have at least one service.")
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return v
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class DecnetConfig(BaseModel):
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mode: Literal["unihost", "swarm"]
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interface: str
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subnet: str
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gateway: str
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deckies: list[DeckyConfig]
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log_target: str | None = None # "ip:port" or None
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log_file: str | None = None # path for RFC 5424 syslog file output
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@field_validator("log_target")
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@classmethod
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def validate_log_target(cls, v: str | None) -> str | None:
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if v is None:
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return v
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parts = v.rsplit(":", 1)
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if len(parts) != 2 or not parts[1].isdigit():
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raise ValueError("log_target must be in ip:port format, e.g. 192.168.1.5:5140")
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return v
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def save_state(config: DecnetConfig, compose_path: Path) -> None:
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payload = {
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"config": config.model_dump(),
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"compose_path": str(compose_path),
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}
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STATE_FILE.write_text(json.dumps(payload, indent=2))
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def load_state() -> tuple[DecnetConfig, Path] | None:
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if not STATE_FILE.exists():
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return None
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data = json.loads(STATE_FILE.read_text())
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return DecnetConfig(**data["config"]), Path(data["compose_path"])
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def clear_state() -> None:
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if STATE_FILE.exists():
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STATE_FILE.unlink()
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