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fcaed8b0dd
The default gRPC dialer honors proxy environment variables, which causes local unix socket connections to attempt to go through the proxy. This fixes that by using a custom dialer. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
30 lines
744 B
Go
30 lines
744 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package dialer
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import (
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"context"
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"fmt"
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"net"
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"net/url"
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)
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// DialUnix is used as a parameter for 'grpc.WithContextDialer' to bypass the
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// default dialer of gRPC to ensure that proxy vars are not used.
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func DialUnix() func(context.Context, string) (net.Conn, error) {
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return func(ctx context.Context, addr string) (net.Conn, error) {
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u, err := url.Parse(addr)
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if err != nil {
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return nil, err
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}
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if u.Scheme != "unix" {
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return nil, fmt.Errorf("invalid scheme: %q", u.Scheme)
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}
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return net.Dial(u.Scheme, u.Path)
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}
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}
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