forked from clan/clan-core
clan: add dynamic completions for fact generation services
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commit
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@ -6,6 +6,9 @@ from collections.abc import Callable, Iterable
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from types import ModuleType
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from typing import Any
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from .cmd import run
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from .nix import nix_eval
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"""
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This module provides dynamic completions.
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The completions should feel fast.
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@ -72,6 +75,49 @@ def complete_machines(
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return machines_dict
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def complete_services_for_machine(
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prefix: str, parsed_args: argparse.Namespace, **kwargs: Any
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) -> Iterable[str]:
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"""
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Provides completion functionality for machine facts generation services.
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"""
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services: list[str] = []
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# TODO: consolidate, if multiple machines are used
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machines: list[str] = parsed_args.machines
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def run_cmd() -> None:
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try:
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if (clan_dir_result := clan_dir(None)) is not None:
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flake = clan_dir_result
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else:
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flake = "."
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services_result = json.loads(
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run(
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nix_eval(
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flags=[
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f"{flake}#nixosConfigurations.{machines[0]}.config.clanCore.facts.services",
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"--apply",
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"builtins.attrNames",
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],
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),
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).stdout.strip()
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)
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services.extend(services_result)
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except subprocess.CalledProcessError:
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pass
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thread = threading.Thread(target=run_cmd)
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thread.start()
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thread.join(timeout=COMPLETION_TIMEOUT)
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if thread.is_alive():
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return iter([])
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services_dict = {name: "service" for name in services}
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return services_dict
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def add_dynamic_completer(
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action: argparse.Action,
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completer: Callable[..., Iterable[str]],
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@ -9,7 +9,11 @@ from tempfile import TemporaryDirectory
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from clan_cli.cmd import run
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from ..completions import add_dynamic_completer, complete_machines
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from ..completions import (
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add_dynamic_completer,
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complete_machines,
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complete_services_for_machine,
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)
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from ..errors import ClanError
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from ..git import commit_files
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from ..machines.inventory import get_all_machines, get_selected_machines
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@ -226,12 +230,14 @@ def register_generate_parser(parser: argparse.ArgumentParser) -> None:
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)
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add_dynamic_completer(machines_parser, complete_machines)
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parser.add_argument(
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service_parser = parser.add_argument(
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"--service",
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type=str,
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help="service to generate facts for, if empty, generate facts for every service",
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default=None,
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)
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add_dynamic_completer(service_parser, complete_services_for_machine)
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parser.add_argument(
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"--regenerate",
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type=bool,
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