Files
bot-bottle/bot_bottle/cli/doctor.py

74 lines
1.8 KiB
Python

"""doctor: validate host prerequisites for running bot-bottle."""
from __future__ import annotations
import argparse
import shutil
import subprocess
import sys
from pathlib import Path
from ._common import PROG
def _ok(label: str, detail: str) -> None:
print(f"ok: {label}: {detail}")
def _fail(label: str, detail: str) -> None:
print(f"fail: {label}: {detail}")
def _check_python() -> bool:
version = sys.version_info
detail = f"{version.major}.{version.minor}.{version.micro}"
if version >= (3, 11):
_ok("python", detail)
return True
_fail("python", f"{detail}; need 3.11 or newer")
return False
def _check_docker() -> bool:
docker = shutil.which("docker")
if not docker:
_fail("docker", "docker command not found")
return False
try:
result = subprocess.run(
[docker, "info"],
stdout=subprocess.DEVNULL,
stderr=subprocess.DEVNULL,
check=False,
timeout=10,
)
except (OSError, subprocess.TimeoutExpired) as exc:
_fail("docker", f"daemon check failed: {exc}")
return False
if result.returncode == 0:
_ok("docker", "daemon reachable")
return True
_fail("docker", "daemon not reachable")
return False
def _check_config_dir() -> bool:
config = Path.home() / ".bot-bottle"
if config.is_dir():
_ok("config", str(config))
return True
_fail("config", f"{config} does not exist")
return False
def cmd_doctor(argv: list[str]) -> int:
parser = argparse.ArgumentParser(prog=f"{PROG} doctor", add_help=True)
parser.parse_args(argv)
checks = (
_check_python(),
_check_docker(),
_check_config_dir(),
)
return 0 if all(checks) else 1