mirror of
https://github.com/yavook/kiwi-scp.git
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94 lines
2.3 KiB
Python
94 lines
2.3 KiB
Python
import functools
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import re
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from pathlib import Path
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from typing import Generator, List, Tuple, Optional
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import attr
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from ruamel.yaml.comments import CommentedMap
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from ._constants import COMPOSE_FILE_NAME
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from .config import KiwiConfig
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from .misc import YAML
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_RE_CONFDIR = re.compile(r"^\s*\$(?:CONFDIR|{CONFDIR})/+(.*)$", flags=re.UNICODE)
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@attr.s
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class Service:
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name: str = attr.ib()
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content: CommentedMap = attr.ib()
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@property
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def configs(self) -> Generator[Path, None, None]:
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if "volumes" not in self.content:
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return
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for volume in self.content["volumes"]:
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host_part = volume.split(":")[0]
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cd_match = _RE_CONFDIR.match(host_part)
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if cd_match:
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yield Path(cd_match.group(1))
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@attr.s
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class Services:
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content: List[Service] = attr.ib()
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def __str__(self) -> str:
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return YAML().dump({
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"services": {
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service.name: service.content
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for service in self.content
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}
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}).strip()
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def __bool__(self) -> bool:
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return bool(self.content)
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def filter_existing(self, service_names: List[str]):
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return Services([
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service
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for service in self.content
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if service.name in service_names
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])
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@attr.s
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class Project:
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directory: Path = attr.ib()
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@staticmethod
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@functools.lru_cache(maxsize=10)
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def _parse_compose_file(directory: Path) -> CommentedMap:
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with open(directory.joinpath(COMPOSE_FILE_NAME), "r") as cf:
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return YAML().load(cf)
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@property
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def name(self) -> str:
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return self.directory.name
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@property
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def services(self) -> Services:
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yml = Project._parse_compose_file(self.directory)
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return Services([
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Service(name, description)
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for name, description in yml["services"].items()
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])
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@attr.s
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class Instance:
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directory: Path = attr.ib(default=Path('.'))
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@property
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def config(self) -> KiwiConfig:
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"""shorthand: get the current configuration"""
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return KiwiConfig.from_directory(self.directory)
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def get_project(self, project_name: str) -> Optional[Project]:
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for project in self.config.projects:
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if project.name == project_name:
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return Project(self.directory.joinpath(project.name))
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