mirror of
https://github.com/yavook/kiwi-scp.git
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78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
import functools
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import logging
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import subprocess
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from pathlib import Path
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from typing import Optional, TypeVar, Union, List
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import attr
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from ._constants import IMAGES_DIRECTORY_NAME, LOCAL_IMAGES_NAME, DEFAULT_IMAGE_NAME
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from .executable import Executable
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_logger = logging.getLogger(__name__)
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PSL = TypeVar("PSL", Union[Path, str], List[Union[Path, str]])
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def prefix_path(path: PSL, prefix: Path = Path("/mnt")) -> PSL:
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if isinstance(path, Path):
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return prefix.joinpath(path.absolute())
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if isinstance(path, str):
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return prefix_path(Path(path), prefix)
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elif isinstance(path, list):
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return [prefix_path(prefix, p) for p in path]
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@attr.s
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class Rootkit:
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image_tag: str = attr.ib()
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@staticmethod
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@functools.lru_cache(maxsize=None)
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def __image_name(image_tag: Optional[str]) -> str:
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if image_tag is not None:
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return f"{LOCAL_IMAGES_NAME}:{image_tag}"
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else:
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return DEFAULT_IMAGE_NAME
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@staticmethod
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@functools.lru_cache(maxsize=None)
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def __exists(image_tag: str) -> bool:
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ps = Executable('docker').run([
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'images',
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'--filter', f"reference={Rootkit.__image_name(image_tag)}",
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'--format', '{{.Repository}}:{{.Tag}}'
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], stdout=subprocess.PIPE)
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return str(ps.stdout, 'utf-8').strip() == Rootkit.__image_name(image_tag)
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def __build_image(self) -> None:
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if Rootkit.__exists(self.image_tag):
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_logger.info(f"Using image {Rootkit.__image_name(self.image_tag)}")
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else:
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if self.image_tag is None:
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_logger.info(f"Pulling image {Rootkit.__image_name(self.image_tag)}")
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Executable('docker').run([
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'pull', Rootkit.__image_name(self.image_tag)
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], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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else:
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_logger.info(f"Building image {Rootkit.__image_name(self.image_tag)}")
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Executable('docker').run([
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'build',
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'-t', Rootkit.__image_name(self.image_tag),
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'-f', f"{IMAGES_DIRECTORY_NAME}/{self.image_tag}.Dockerfile",
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f"{IMAGES_DIRECTORY_NAME}"
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], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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def run(self, process_args, **kwargs):
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self.__build_image()
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Executable('docker').run([
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'run', '--rm',
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'-v', '/:/mnt',
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'-u', 'root',
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Rootkit.__image_name(self.image_tag),
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*process_args
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], **kwargs)
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