96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
#!/usr/bin/env python3
|
|
"""Entrypoint and CLI handler."""
|
|
|
|
import argparse
|
|
import logging
|
|
import os
|
|
import sys
|
|
|
|
import dockertidy.Exception
|
|
from dockertidy.Config import SingleConfig
|
|
from dockertidy.Utils import SingleLog
|
|
from dockertidy.Utils import timedelta_type
|
|
from importlib_metadata import version, PackageNotFoundError
|
|
|
|
|
|
class DockerTidy:
|
|
|
|
def __init__(self):
|
|
self.log = SingleLog()
|
|
self.logger = self.log.logger
|
|
self.args = self._cli_args()
|
|
self.config = self._get_config()
|
|
|
|
def _cli_args(self):
|
|
"""
|
|
Use argparse for parsing CLI arguments.
|
|
|
|
:return: args objec
|
|
"""
|
|
parser = argparse.ArgumentParser(
|
|
description="Generate documentation from annotated Ansible roles using templates")
|
|
parser.add_argument("-v", dest="logging.level", action="append_const", const=-1,
|
|
help="increase log level")
|
|
parser.add_argument("-q", dest="logging.level", action="append_const",
|
|
const=1, help="decrease log level")
|
|
parser.add_argument("--version", action="version",
|
|
version=version(__name__))
|
|
|
|
subparsers = parser.add_subparsers(help="sub-command help")
|
|
|
|
parser_gc = subparsers.add_parser(
|
|
"gc", help="Run docker garbage collector.")
|
|
parser_gc.add_argument(
|
|
"--max-container-age",
|
|
type=timedelta_type,
|
|
help="Maximum age for a container. Containers older than this age "
|
|
"will be removed. Age can be specified in any pytimeparse "
|
|
"supported format.")
|
|
parser_gc.add_argument(
|
|
"--max-image-age",
|
|
type=timedelta_type,
|
|
help="Maxium age for an image. Images older than this age will be "
|
|
"removed. Age can be specified in any pytimeparse supported "
|
|
"format.")
|
|
parser_gc.add_argument(
|
|
"--dangling-volumes",
|
|
action="store_true",
|
|
help="Dangling volumes will be removed.")
|
|
parser_gc.add_argument(
|
|
"--dry-run", action="store_true",
|
|
help="Only log actions, don't remove anything.")
|
|
parser_gc.add_argument(
|
|
"-t", "--timeout", type=int, default=60,
|
|
help="HTTP timeout in seconds for making docker API calls.")
|
|
parser_gc.add_argument(
|
|
"--exclude-image",
|
|
action="append",
|
|
help="Never remove images with this tag.")
|
|
parser_gc.add_argument(
|
|
"--exclude-image-file",
|
|
type=argparse.FileType("r"),
|
|
help="Path to a file which contains a list of images to exclude, one "
|
|
"image tag per line.")
|
|
parser_gc.add_argument(
|
|
"--exclude-container-label",
|
|
action="append", type=str, default=[],
|
|
help="Never remove containers with this label key or label key=value")
|
|
|
|
return parser.parse_args().__dict__
|
|
|
|
def _get_config(self):
|
|
try:
|
|
config = SingleConfig(args=self.args)
|
|
except dockertidy.Exception.ConfigError as e:
|
|
self.log.sysexit_with_message(e)
|
|
|
|
try:
|
|
self.log.set_level(config.config["logging"]["level"])
|
|
except ValueError as e:
|
|
self.log.sysexit_with_message(
|
|
"Can not set log level.\n{}".format(str(e)))
|
|
|
|
self.logger.info("Using config file {}".format(config.config_file))
|
|
|
|
return config
|