91 lines
2.4 KiB
Python
91 lines
2.4 KiB
Python
import argparse
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import logging
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import sys
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from clan_cli.completions import (
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add_dynamic_completer,
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complete_machines,
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complete_vars_for_machine,
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)
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from clan_lib.errors import ClanError
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from clan_lib.flake import Flake, require_flake
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from clan_lib.machines.machines import Machine
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from .generator import Var
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from .list import get_machine_vars
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log = logging.getLogger(__name__)
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class VarNotFoundError(ClanError):
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pass
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def get_machine_var(machine: Machine, var_id: str) -> Var:
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log.debug(f"getting var: {var_id} from machine: {machine.name}")
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vars_ = get_machine_vars(machine)
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results = []
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for var in vars_:
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if var.id == var_id:
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# exact match
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results = [var]
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break
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if var.id.startswith(var_id):
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results.append(var)
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if len(results) == 0:
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msg = f"Couldn't find var: {var_id} for machine: {machine.name}"
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raise VarNotFoundError(msg)
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if len(results) > 1:
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error = (
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f"Found multiple vars in {machine.name} for {var_id}:\n - "
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+ "\n - ".join(
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[str(var) for var in results],
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)
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)
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raise ClanError(error)
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# we have exactly one result at this point
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var = results[0]
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if var_id == var.id:
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return var
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msg = f"Did you mean: {var.id}"
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raise ClanError(msg)
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def get_command(machine_name: str, var_id: str, flake: Flake) -> None:
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machine = Machine(name=machine_name, flake=flake)
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var = get_machine_var(machine, var_id)
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if not var.exists:
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msg = f"Var {var.id} has not been generated yet"
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raise ClanError(msg)
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if sys.stdout.isatty():
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sys.stdout.buffer.write(var.value)
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else:
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print(var.printable_value)
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def _get_command(
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args: argparse.Namespace,
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) -> None:
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flake = require_flake(args.flake)
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get_command(
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machine_name=args.machine,
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var_id=args.var_id,
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flake=flake,
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)
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def register_get_parser(parser: argparse.ArgumentParser) -> None:
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machines_arg = parser.add_argument(
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"machine",
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help="The machine to print vars for",
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)
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add_dynamic_completer(machines_arg, complete_machines)
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var_id_arg = parser.add_argument(
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"var_id",
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help="The var id to get the value for. Example: ssh-keys/pubkey",
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)
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add_dynamic_completer(var_id_arg, complete_vars_for_machine)
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parser.set_defaults(func=_get_command)
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