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