community.docker/plugins/module_utils/_api/utils/proxy.py
Felix Fontein 6ad4bfcd40
Add typing information, 2/n (#1178)
* Add typing to Docker Stack modules. Clean modules up.

* Add typing to Docker Swarm modules.

* Add typing to unit tests.

* Add more typing.

* Add ignore.txt entries.
2025-10-25 01:16:04 +02:00

99 lines
3.1 KiB
Python

# This code is part of the Ansible collection community.docker, but is an independent component.
# This particular file, and this file only, is based on the Docker SDK for Python (https://github.com/docker/docker-py/)
#
# Copyright (c) 2016-2022 Docker, Inc.
#
# It is licensed under the Apache 2.0 license (see LICENSES/Apache-2.0.txt in this collection)
# SPDX-License-Identifier: Apache-2.0
# Note that this module util is **PRIVATE** to the collection. It can have breaking changes at any time.
# Do not use this from other collections or standalone plugins/modules!
from __future__ import annotations
import typing as t
from .utils import format_environment
class ProxyConfig(dict):
"""
Hold the client's proxy configuration
"""
@property
def http(self) -> str | None:
return self.get("http")
@property
def https(self) -> str | None:
return self.get("https")
@property
def ftp(self) -> str | None:
return self.get("ftp")
@property
def no_proxy(self) -> str | None:
return self.get("no_proxy")
@staticmethod
def from_dict(config: dict[str, str]) -> ProxyConfig:
"""
Instantiate a new ProxyConfig from a dictionary that represents a
client configuration, as described in `the documentation`_.
.. _the documentation:
https://docs.docker.com/network/proxy/#configure-the-docker-client
"""
return ProxyConfig(
http=config.get("httpProxy"),
https=config.get("httpsProxy"),
ftp=config.get("ftpProxy"),
no_proxy=config.get("noProxy"),
)
def get_environment(self) -> dict[str, str]:
"""
Return a dictionary representing the environment variables used to
set the proxy settings.
"""
env = {}
if self.http:
env["http_proxy"] = env["HTTP_PROXY"] = self.http
if self.https:
env["https_proxy"] = env["HTTPS_PROXY"] = self.https
if self.ftp:
env["ftp_proxy"] = env["FTP_PROXY"] = self.ftp
if self.no_proxy:
env["no_proxy"] = env["NO_PROXY"] = self.no_proxy
return env
@t.overload
def inject_proxy_environment(self, environment: list[str]) -> list[str]: ...
@t.overload
def inject_proxy_environment(
self, environment: list[str] | None
) -> list[str] | None: ...
def inject_proxy_environment(
self, environment: list[str] | None
) -> list[str] | None:
"""
Given a list of strings representing environment variables, prepend the
environment variables corresponding to the proxy settings.
"""
if not self:
return environment
proxy_env = format_environment(self.get_environment())
if not environment:
return proxy_env
# It is important to prepend our variables, because we want the
# variables defined in "environment" to take precedence.
return proxy_env + environment
def __str__(self) -> str:
return f"ProxyConfig(http={self.http}, https={self.https}, ftp={self.ftp}, no_proxy={self.no_proxy})"