c6c2c525a6
Also fix some tests that were broken by bumping golang and dependencies in the previous commits. Note that in addition to changes made to satisfy the linter which do not impact the behavior of the code, this commit also adds ReadHeaderTimeout to all usages of http.Server to satisfy the linter (and because it seemed like a good suggestion).
30 lines
623 B
Go
30 lines
623 B
Go
// Copyright 2020-2022 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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//go:build go1.14
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// +build go1.14
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package testlib
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import (
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"context"
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"net"
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)
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// LookupIP looks up the IP address of the provided hostname, preferring IPv4.
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func LookupIP(ctx context.Context, hostname string) ([]net.IP, error) {
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ips, err := net.DefaultResolver.LookupIPAddr(ctx, hostname)
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if err != nil {
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return nil, err
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}
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// Filter out to only IPv4 addresses
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var results []net.IP
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for _, ip := range ips {
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if ip.IP.To4() != nil {
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results = append(results, ip.IP)
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}
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}
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return results, nil
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}
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