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resolv.conf nameserver line has only one entry

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This commit is contained in:
Andrew Pilloud 2017-04-27 09:17:54 -07:00
parent 120fd322bd
commit 166a0e440d
2 changed files with 3 additions and 2 deletions
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4
pkg/kubelet/kubelet_network.go
View File

@ -229,8 +229,8 @@ func (kl *Kubelet) parseResolvConf(reader io.Reader) (nameservers []string, sear
if len(fields) == 0 {
continue
}
if fields[0] == "nameserver" {
nameservers = append(nameservers, fields[1:]...)
if fields[0] == "nameserver" && len(fields) >= 2 {
nameservers = append(nameservers, fields[1])
}
if fields[0] == "search" {
searches = fields[1:]

1
pkg/kubelet/kubelet_network_test.go
View File

@ -91,6 +91,7 @@ func TestParseResolvConf(t *testing.T) {
{"nameserver\t1.2.3.4", []string{"1.2.3.4"}, []string{}},
{"nameserver \t 1.2.3.4", []string{"1.2.3.4"}, []string{}},
{"nameserver 1.2.3.4\nnameserver 5.6.7.8", []string{"1.2.3.4", "5.6.7.8"}, []string{}},
{"nameserver 1.2.3.4 #comment", []string{"1.2.3.4"}, []string{}},
{"search foo", []string{}, []string{"foo"}},
{"search foo bar", []string{}, []string{"foo", "bar"}},
{"search foo bar bat\n", []string{}, []string{"foo", "bar", "bat"}},