mirror of
https://github.com/ansible-collections/community.docker.git
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85 lines
2.6 KiB
Python
85 lines
2.6 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 annotations
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from .utils import format_environment
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class ProxyConfig(dict):
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"""
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Hold the client's proxy configuration
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"""
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@property
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def http(self):
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return self.get("http")
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@property
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def https(self):
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return self.get("https")
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@property
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def ftp(self):
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return self.get("ftp")
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@property
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def no_proxy(self):
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return self.get("no_proxy")
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@staticmethod
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def from_dict(config):
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"""
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Instantiate a new ProxyConfig from a dictionary that represents a
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client configuration, as described in `the documentation`_.
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.. _the documentation:
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https://docs.docker.com/network/proxy/#configure-the-docker-client
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"""
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return ProxyConfig(
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http=config.get("httpProxy"),
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https=config.get("httpsProxy"),
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ftp=config.get("ftpProxy"),
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no_proxy=config.get("noProxy"),
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)
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def get_environment(self):
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"""
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Return a dictionary representing the environment variables used to
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set the proxy settings.
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"""
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env = {}
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if self.http:
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env["http_proxy"] = env["HTTP_PROXY"] = self.http
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if self.https:
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env["https_proxy"] = env["HTTPS_PROXY"] = self.https
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if self.ftp:
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env["ftp_proxy"] = env["FTP_PROXY"] = self.ftp
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if self.no_proxy:
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env["no_proxy"] = env["NO_PROXY"] = self.no_proxy
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return env
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def inject_proxy_environment(self, environment):
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"""
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Given a list of strings representing environment variables, prepend the
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environment variables corresponding to the proxy settings.
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"""
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if not self:
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return environment
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proxy_env = format_environment(self.get_environment())
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if not environment:
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return proxy_env
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# It is important to prepend our variables, because we want the
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# variables defined in "environment" to take precedence.
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return proxy_env + environment
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def __str__(self):
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return f"ProxyConfig(http={self.http}, https={self.https}, ftp={self.ftp}, no_proxy={self.no_proxy})"
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