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kiwi-scp/kiwi_scp/commands/cmd_init.py
2021-12-02 17:19:14 +01:00

73 lines
2.3 KiB
Python

import logging
import os
from ipaddress import IPv4Network
from pathlib import Path
import click
from .cmd import KiwiCommandType, KiwiCommand
from .decorators import kiwi_command
from .._constants import KIWI_CONF_NAME
from ..config import KiwiConfig
from ..instance import Instance
_logger = logging.getLogger(__name__)
@click.option(
"-d",
"--directory",
help=f"initialize a kiwi-scp instance in another directory",
type=click.Path(
path_type=Path,
dir_okay=True,
writable=True,
),
)
@click.option(
"-f/-F",
"--force/--no-force",
help=f"use default values even if {KIWI_CONF_NAME} is present",
)
@kiwi_command(
short_help="Initializes kiwi-scp",
)
class InitCommand(KiwiCommand):
"""Initialize or reconfigure a kiwi-scp instance"""
type = KiwiCommandType.INSTANCE
@classmethod
def run_for_instance(cls, instance: Instance, directory: Path = None, force: bool = None) -> None:
if directory is not None:
instance.directory = directory
current_config = KiwiConfig() if force else instance.config
# check force switch
if force and os.path.isfile(KIWI_CONF_NAME):
_logger.warning(f"About to overwrite an existing '{KIWI_CONF_NAME}'!")
# build new kiwi dict
kiwi_dict = current_config.kiwi_dict
kiwi_dict.update({
"version": KiwiCommand.user_query("kiwi-scp version to use in this instance", current_config.version),
"storage": {
"directory": KiwiCommand.user_query("local directory for service data",
current_config.storage.directory, Path),
},
"network": {
"name": KiwiCommand.user_query("name for local network hub", current_config.network.name),
"cidr": KiwiCommand.user_query("CIDRv4 block for local network hub", current_config.network.cidr,
IPv4Network),
},
})
# ensure output directory exists
if not os.path.isdir(instance.directory):
os.mkdir(instance.directory)
# write out the new kiwi.yml
cfg = KiwiConfig.parse_obj(kiwi_dict)
with open(instance.directory.joinpath(KIWI_CONF_NAME), "w") as file:
cfg.dump_kiwi_yml(file)