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kiwi-scp/kiwi_scp/services.py

91 lines
2.5 KiB
Python

import subprocess
from pathlib import Path
from typing import List, Generator, Optional, TYPE_CHECKING, TypeVar, Union
import attr
from .rootkit import Rootkit
from .yaml import YAML
if TYPE_CHECKING:
from .project import Project
from .service import Service
@attr.s
class Services:
content: List["Service"] = attr.ib()
def __str__(self) -> str:
return YAML().dump({
"services": {
service.name: service.content
for service in self.content
},
"configs": [
str(config)
for config in self.configs
],
}).strip()
def __bool__(self) -> bool:
return bool(self.content)
@property
def parent_project(self) -> Optional["Project"]:
if not self:
return
return self.content[0].parent_project
@property
def configs(self) -> Generator[Path, None, None]:
for service in self.content:
yield from service.configs
def copy_configs(self) -> None:
path_str_list = TypeVar("path_str_list", Union[Path, str], List[Union[Path, str]])
def prefix_path(path: path_str_list, prefix: Path) -> path_str_list:
if isinstance(path, Path):
return prefix.absolute().joinpath(path)
elif isinstance(path, str):
return prefix_path(Path(path), prefix)
elif isinstance(path, list):
return [prefix_path(p, prefix) for p in path]
project = self.parent_project
if project is None:
return
instance = project.parent_instance
cfgs = list(self.configs)
local_cfgs = prefix_path(cfgs, instance.config_directory)
storage_cfgs = prefix_path(cfgs, instance.storage_config_directory)
storage_dirs = [path.parent for path in storage_cfgs]
Rootkit("rsync").run([
"mkdir", "-p", storage_dirs
], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
Rootkit("rsync").run([
"rsync", "-rpt", list(zip(local_cfgs, storage_cfgs))
], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
@property
def names(self) -> Generator[str, None, None]:
return (
service.name
for service in self.content
)
def filter_existing(self, service_names: List[str]) -> "Services":
return Services([
service
for service in self.content
if service.name in service_names
])