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improve explanatory comment about trailing dots in searches

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Fernando Crespo Gravalos 2019-10-04 11:37:48 +02:00 committed by Fernando Crespo Grávalos
parent 0b850c5d82
commit 9dac0c2d02
1 changed files with 1 additions and 1 deletions
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2
pkg/kubelet/network/dns/dns.go
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@ -230,7 +230,7 @@ func parseResolvConf(reader io.Reader) (nameservers []string, searches []string,
} }
} }
if fields[0] == "search" { if fields[0] == "search" {
// Strip redundant trailing dot to avoid hitting search validation limits. // Normalise search fields so the same domain with and without trailing dot will only count once, to avoid hitting search validation limits.
trimTrailingDot := []string{} trimTrailingDot := []string{}
for _, s := range fields[1:] { for _, s := range fields[1:] {
trimTrailingDot = append(trimTrailingDot, strings.TrimSuffix(s, ".")) trimTrailingDot = append(trimTrailingDot, strings.TrimSuffix(s, "."))