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kiwi-scp/kiwi_scp/rootkit.py

86 lines
2.7 KiB
Python

# system
import logging
import os
import subprocess
# local
from ._constants import IMAGES_DIRECTORY_NAME, LOCAL_IMAGES_NAME, DEFAULT_IMAGE_NAME
from .executable import Executable
def _prefix_path(prefix, path):
if isinstance(path, str):
abs_path = os.path.abspath(path)
return os.path.realpath(f"{prefix}/{abs_path}")
elif isinstance(path, list):
return [_prefix_path(prefix, p) for p in path]
def prefix_path_mnt(path):
return _prefix_path('/mnt/', path)
def _image_name(image_tag):
if image_tag is not None:
return f"{LOCAL_IMAGES_NAME}:{image_tag}"
else:
return DEFAULT_IMAGE_NAME
class Rootkit:
class __Rootkit:
__image_tag = None
def __init__(self, image_tag=None):
self.__image_tag = image_tag
def __exists(self):
ps = Executable('docker').run([
'images',
'--filter', f"reference={_image_name(self.__image_tag)}",
'--format', '{{.Repository}}:{{.Tag}}'
], stdout=subprocess.PIPE)
return str(ps.stdout, 'utf-8').strip() == _image_name(self.__image_tag)
def __build_image(self):
if self.__exists():
logging.info(f"Using image {_image_name(self.__image_tag)}")
else:
if self.__image_tag is None:
logging.info(f"Pulling image {_image_name(self.__image_tag)}")
Executable('docker').run([
'pull', _image_name(self.__image_tag)
], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
else:
logging.info(f"Building image {_image_name(self.__image_tag)}")
Executable('docker').run([
'build',
'-t', _image_name(self.__image_tag),
'-f', f"{IMAGES_DIRECTORY_NAME}/{self.__image_tag}.Dockerfile",
f"{IMAGES_DIRECTORY_NAME}"
], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
def run(self, process_args, **kwargs):
self.__build_image()
Executable('docker').run([
'run', '--rm',
'-v', '/:/mnt',
'-u', 'root',
_image_name(self.__image_tag),
*process_args
], **kwargs)
__image_tag = None
__instances = {}
def __init__(self, image_tag=None):
self.__image_tag = image_tag
if _image_name(self.__image_tag) not in Rootkit.__instances:
Rootkit.__instances[_image_name(self.__image_tag)] = Rootkit.__Rootkit(image_tag)
def __getattr__(self, item):
return getattr(self.__instances[_image_name(self.__image_tag)], item)