mirror of
https://github.com/yavook/kiwi-scp.git
synced 2024-11-22 12:53:00 +00:00
77 lines
2.4 KiB
Python
77 lines
2.4 KiB
Python
|
import logging
|
||
|
from collections import deque
|
||
|
from typing import List, Optional
|
||
|
|
||
|
import click
|
||
|
|
||
|
from .cmd import KiwiCommandType, KiwiCommand
|
||
|
from .decorators import kiwi_command
|
||
|
from ..executable import COMPOSE_EXE
|
||
|
from ..instance import Instance
|
||
|
from ..project import Project
|
||
|
from ..services import Services
|
||
|
|
||
|
_logger = logging.getLogger(__name__)
|
||
|
|
||
|
|
||
|
@click.option(
|
||
|
"-s", "--shell",
|
||
|
help="shell to spawn",
|
||
|
type=str,
|
||
|
)
|
||
|
@click.option(
|
||
|
"-u", "--user",
|
||
|
help="container user to run shell",
|
||
|
type=str,
|
||
|
)
|
||
|
@kiwi_command(
|
||
|
short_help="Spawn shell",
|
||
|
)
|
||
|
class ShellCommand(KiwiCommand):
|
||
|
"""Spawn shell inside a project's service"""
|
||
|
|
||
|
type = KiwiCommandType.SERVICES
|
||
|
enabled_only = True
|
||
|
|
||
|
@classmethod
|
||
|
def run_for_filtered_services(cls, instance: Instance, project: Project, services: Services,
|
||
|
new_service_names: List[str], shell: Optional[str] = None,
|
||
|
user: Optional[str] = None) -> None:
|
||
|
# builtin shells: as a last resort, fallback to '/bin/sh' and 'sh'
|
||
|
shells = deque(["/bin/sh", "sh"])
|
||
|
|
||
|
# add shells from KiwiConfig
|
||
|
config_shells = map(str, instance.config.shells)
|
||
|
shells.extendleft(config_shells)
|
||
|
|
||
|
# add shell from argument
|
||
|
if shell is not None:
|
||
|
shells.appendleft(shell)
|
||
|
|
||
|
user_args = ["-u", user] if user is not None else []
|
||
|
|
||
|
for service in services.content:
|
||
|
existing_shells = service.existing_executables(list(shells))
|
||
|
|
||
|
try:
|
||
|
use_shell = next(existing_shells)
|
||
|
_logger.debug(f"Using shell {use_shell!r}")
|
||
|
|
||
|
except StopIteration:
|
||
|
if shell is not None:
|
||
|
use_shell = shell
|
||
|
_logger.warning(
|
||
|
"Could not find any working shell in this container. "
|
||
|
f"Launching provided {use_shell!r} nevertheless. This might fail!"
|
||
|
)
|
||
|
|
||
|
else:
|
||
|
_logger.warning(
|
||
|
f"Could not find any working shell among {shells!r} in this container. "
|
||
|
"Please suggest a shell using the '-s SHELL' command line option!"
|
||
|
)
|
||
|
return
|
||
|
|
||
|
# spawn shell
|
||
|
COMPOSE_EXE.run(['exec', *user_args, service.name, use_shell], **project.process_kwargs)
|