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a5da4ed981
This adds "//go:build" lines and tidies up existing "// +build" lines. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
52 lines
934 B
Go
52 lines
934 B
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build linux
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// +build linux
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package vms
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import (
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"io"
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"testing"
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"inet.af/netaddr"
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"tailscale.com/net/interfaces"
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)
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func deriveBindhost(t *testing.T) string {
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t.Helper()
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ifName, err := interfaces.DefaultRouteInterface()
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if err != nil {
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t.Fatal(err)
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}
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var ret string
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err = interfaces.ForeachInterfaceAddress(func(i interfaces.Interface, prefix netaddr.IPPrefix) {
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if ret != "" || i.Name != ifName {
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return
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}
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ret = prefix.IP().String()
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})
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if ret != "" {
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return ret
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}
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if err != nil {
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t.Fatal(err)
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}
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t.Fatal("can't find a bindhost")
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return "unreachable"
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}
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func TestDeriveBindhost(t *testing.T) {
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t.Log(deriveBindhost(t))
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}
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type nopWriteCloser struct {
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io.Writer
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}
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func (nwc nopWriteCloser) Close() error { return nil }
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