proxy SOCKS5 schema support

[llegolas]

What is the feature and why do you need it:
It would be nice if the client supports socks5 proxy to be on par with the kubectl which respects and uses properly env. proxy var of the sort of http_proxy=socks5://.....

Describe the solution you'd like to see:
it would be sufficient if the code checks for the proxy schema in configuration.proxy and use urllib3.contrib.socks.SOCKProxyManager instead of urllib3.ProxyManager accordingly.

[llegolas]

Perhaps something like

        # https pool manager
        if configuration.proxy:
            if configuration.proxy.split(':')[0].lower() == 'socks5':
                self.pool_manager = urllib3.contrib.socks.SOCKSProxyManager(
                    num_pools=pools_size,
                    maxsize=maxsize,
                    cert_reqs=cert_reqs,
                    ca_certs=ca_certs,
                    cert_file=configuration.cert_file,
                    key_file=configuration.key_file,
                    proxy_url=configuration.proxy,
                    **addition_pool_args
                )

vs.

        if configuration.proxy:
            self.pool_manager = urllib3.ProxyManager(
                num_pools=pools_size,
                maxsize=maxsize,
                cert_reqs=cert_reqs,
                ca_certs=ca_certs,
                cert_file=configuration.cert_file,
                key_file=configuration.key_file,
                proxy_url=configuration.proxy,
                **addition_pool_args
            )
        else:

in rest.py

[roycaihw]

The rest client is auto generated by openapi-generator. Would you mind file a feature request in that repo?

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[k8s-ci-robot]

@fejta-bot: Closing this issue.

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[tlianza]

I can't quite see in the code (in kube_config.py) how you'd pass a proxy server in such that it would ever get set. In other words, even with no changes to the openapi-generator, how could you ever get if configuration.proxy: to be true in the current k8s client?