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validation: allow trailing period in dns search

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The trailing period tells the resolver to stop immediately instead
of trying recursively. With that said, trailing period should be
acceptable in searches.
This commit is contained in:
zhouhaibing089
2019-02-27 14:16:54 -08:00
committed by haibzhou
parent 7dbe426b24
commit 68beadefe4
2 changed files with 12 additions and 1 deletions
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9
pkg/apis/core/validation/validation_test.go
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@@ -5873,11 +5873,18 @@ func TestValidatePodDNSConfig(t *testing.T) {
},
expectedError: false,
},
{
desc: "valid: 1 search path with trailing period",
dnsConfig: &core.PodDNSConfig{
Searches: []string{"custom."},
},
expectedError: false,
},
{
desc: "valid: 3 nameservers and 6 search paths",
dnsConfig: &core.PodDNSConfig{
Nameservers: []string{"127.0.0.1", "10.0.0.10", "8.8.8.8"},
Searches: []string{"custom", "mydomain.com", "local", "cluster.local", "svc.cluster.local", "default.svc.cluster.local"},
Searches: []string{"custom", "mydomain.com", "local", "cluster.local", "svc.cluster.local", "default.svc.cluster.local."},
},
expectedError: false,
},