mirror of
https://github.com/thegeeklab/docker-tidy.git
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138 lines
4.4 KiB
Python
138 lines
4.4 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 dockertidy.Exception
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from dockertidy import __version__
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from dockertidy.Config import SingleConfig
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from dockertidy.Logger import SingleLog
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from dockertidy.Parser import timedelta_validator
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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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)
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parser.add_argument(
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"--dry-run",
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action="store_true",
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dest="dry_run",
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help="Only log actions, don't stop anything."
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)
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parser.add_argument(
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"-t",
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"--timeout",
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type=int,
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dest="http_timeout",
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metavar="HTTP_TIMEOUT",
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help="HTTP timeout in seconds for making docker API calls."
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)
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parser.add_argument(
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"-v", dest="logging.level", action="append_const", const=-1, help="increase log level"
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)
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parser.add_argument(
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"-q", dest="logging.level", action="append_const", const=1, help="decrease log level"
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)
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parser.add_argument(
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"--version", action="version", version="%(prog)s {}".format(__version__)
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)
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subparsers = parser.add_subparsers(help="sub-command help")
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parser_gc = subparsers.add_parser("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_validator,
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dest="gc.max_container_age",
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metavar="MAX_CONTAINER_AGE",
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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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)
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parser_gc.add_argument(
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"--max-image-age",
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type=timedelta_validator,
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dest="gc.max_image_age",
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metavar="MAX_IMAGE_AGE",
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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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)
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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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dest="gc.dangling_volumes",
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help="Dangling volumes will be removed."
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)
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parser_gc.add_argument(
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"--exclude-image",
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action="append",
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type=str,
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dest="gc.exclude_image",
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metavar="EXCLUDE_IMAGE",
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help="Never remove images with this tag."
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)
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parser_gc.add_argument(
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"--exclude-container-label",
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action="append",
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type=str,
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dest="gc.exclude_container_label",
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metavar="EXCLUDE_CONTAINER_LABEL",
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help="Never remove containers with this label key "
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"or label key=value"
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)
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parser_stop = subparsers.add_parser(
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"stop", help="Stop containers that have been running for too long."
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)
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parser_stop.add_argument(
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"--max-run-time",
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type=timedelta_validator,
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dest="stop.max_run_time",
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metavar="MAX_RUN_TIME",
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help="Maximum time a container is allows to run. Time may "
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"be specified in any pytimeparse supported format."
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)
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parser_stop.add_argument(
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"--prefix",
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action="append",
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type=str,
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dest="stop.prefix",
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metavar="PREFIX",
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help="Only stop containers which match one of the "
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"prefix."
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)
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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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print(config.config)
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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("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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