mirror of
https://github.com/ansible-collections/community.docker.git
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79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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# This code is part of the Ansible collection community.docker, but is an independent component.
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# This particular file, and this file only, is based on the Docker SDK for Python (https://github.com/docker/docker-py/)
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#
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# Copyright (c) 2016-2022 Docker, Inc.
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#
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# It is licensed under the Apache 2.0 license (see LICENSES/Apache-2.0.txt in this collection)
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# SPDX-License-Identifier: Apache-2.0
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import json
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import logging
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import os
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from ..constants import IS_WINDOWS_PLATFORM
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DOCKER_CONFIG_FILENAME = os.path.join('.docker', 'config.json')
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LEGACY_DOCKER_CONFIG_FILENAME = '.dockercfg'
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log = logging.getLogger(__name__)
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def find_config_file(config_path=None):
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paths = list(filter(None, [
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config_path, # 1
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config_path_from_environment(), # 2
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os.path.join(home_dir(), DOCKER_CONFIG_FILENAME), # 3
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os.path.join(home_dir(), LEGACY_DOCKER_CONFIG_FILENAME), # 4
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]))
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log.debug("Trying paths: %s", repr(paths))
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for path in paths:
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if os.path.exists(path):
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log.debug("Found file at path: %s", path)
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return path
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log.debug("No config file found")
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return None
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def config_path_from_environment():
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config_dir = os.environ.get('DOCKER_CONFIG')
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if not config_dir:
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return None
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return os.path.join(config_dir, os.path.basename(DOCKER_CONFIG_FILENAME))
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def home_dir():
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"""
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Get the user's home directory, using the same logic as the Docker Engine
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client - use %USERPROFILE% on Windows, $HOME/getuid on POSIX.
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"""
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if IS_WINDOWS_PLATFORM:
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return os.environ.get('USERPROFILE', '')
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else:
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return os.path.expanduser('~')
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def load_general_config(config_path=None):
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config_file = find_config_file(config_path)
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if not config_file:
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return {}
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try:
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with open(config_file) as f:
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return json.load(f)
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except (IOError, ValueError) as e:
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# In the case of a legacy `.dockercfg` file, we will not
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# be able to load any JSON data.
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log.debug(e)
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log.debug("All parsing attempts failed - returning empty config")
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return {}
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