mirror of
https://github.com/yavook/kiwi-scp.git
synced 2024-11-22 21:03:00 +00:00
73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
import logging
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from typing import List, Optional
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import click
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from .cmd import KiwiCommandType, KiwiCommand
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from .decorators import kiwi_command
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from ..executable import COMPOSE_EXE
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from ..instance import Instance
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from ..project import Project
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from ..services import Services
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_logger = logging.getLogger(__name__)
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@click.option(
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"-s", "--shell",
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help="shell to spawn",
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type=str,
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)
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@click.option(
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"-u", "--user",
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help="container user to run shell",
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type=str,
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)
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@kiwi_command(
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short_help="Spawn shell",
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)
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class ShellCommand(KiwiCommand):
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"""Spawn shell inside a project's service"""
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type = KiwiCommandType.SERVICES
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enabled_only = True
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@classmethod
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def run_for_filtered_services(cls, instance: Instance, project: Project, services: Services,
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new_service_names: List[str], shell: Optional[str] = None,
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user: Optional[str] = None) -> None:
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# shells from KiwiConfig
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shells = [
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*(str(path) for path in instance.config.shells),
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# as a last resort, fall back to "/bin/sh" and "sh"
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"/bin/sh", "sh",
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]
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# add shell from argument
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if shell is not None:
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shells.insert(0, shell)
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user_args = ["-u", user] if user is not None else []
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for service in services.content:
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try:
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use_shell = next(service.existing_executables(shells))
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_logger.debug(f"Using shell {use_shell!r}")
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except StopIteration:
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if shell is not None:
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use_shell = shell
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_logger.warning(
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"Could not find a working shell in this container. "
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f"Launching provided shell {use_shell!r} nevertheless. This might fail!"
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)
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else:
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_logger.warning(
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f"Could not find any working shell among {shells!r} in this container. "
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"Please suggest a shell using the '-s SHELL' command line option!"
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)
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continue
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# spawn shell
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COMPOSE_EXE.run(['exec', *user_args, service.name, use_shell], **project.process_kwargs)
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