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Relax dns search to accept empty domain

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In that case /etc/resolv.conf will be generated with no search
option. Usage: --dns-search=.

Docker-DCO-1.1-Signed-off-by: Fabio Falci <fabiofalci@gmail.com> (github: fabiofalci)
This commit is contained in:
Fabio Falci 2014-06-26 12:03:23 +01:00
parent fe44c2e2a8
commit 74071a4fba
2 changed files with 29 additions and 2 deletions
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25
networkfs/resolvconf/resolvconf_test.go
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@ -131,3 +131,28 @@ func TestBuild(t *testing.T) {
t.Fatalf("Expected to find '%s' got '%s'", expected, content)
}
}
func TestBuildWithZeroLengthDomainSearch(t *testing.T) {
file, err := ioutil.TempFile("", "")
if err != nil {
t.Fatal(err)
}
defer os.Remove(file.Name())
err = Build(file.Name(), []string{"ns1", "ns2", "ns3"}, []string{"."})
if err != nil {
t.Fatal(err)
}
content, err := ioutil.ReadFile(file.Name())
if err != nil {
t.Fatal(err)
}
if expected := "nameserver ns1\nnameserver ns2\nnameserver ns3\n"; !bytes.Contains(content, []byte(expected)) {
t.Fatalf("Expected to find '%s' got '%s'", expected, content)
}
if notExpected := "search ."; bytes.Contains(content, []byte(notExpected)) {
t.Fatalf("Expected to not find '%s' got '%s'", notExpected, content)
}
}