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Fix hostname truncate.

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This commit is contained in:
Random-Liu
2016-11-16 17:42:39 -08:00
parent d51e27fe96
commit e9f1b0f972
2 changed files with 50 additions and 5 deletions
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29
pkg/kubelet/kubelet_pods_test.go
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@@ -1494,3 +1494,32 @@ func TestHasHostNamespace(t *testing.T) {
}
}
}
func TestTruncatePodHostname(t *testing.T) {
for c, test := range map[string]struct {
input string
output string
}{
"valid hostname": {
input: "test.pod.hostname",
output: "test.pod.hostname",
},
"too long hostname": {
input: "1234567.1234567.1234567.1234567.1234567.1234567.1234567.1234567.1234567.", // 8*9=72 chars
output: "1234567.1234567.1234567.1234567.1234567.1234567.1234567.1234567", //8*8-1=63 chars
},
"hostname end with .": {
input: "1234567.1234567.1234567.1234567.1234567.1234567.1234567.123456.1234567.", // 8*9-1=71 chars
output: "1234567.1234567.1234567.1234567.1234567.1234567.1234567.123456", //8*8-2=62 chars
},
"hostname end with -": {
input: "1234567.1234567.1234567.1234567.1234567.1234567.1234567.123456-1234567.", // 8*9-1=71 chars
output: "1234567.1234567.1234567.1234567.1234567.1234567.1234567.123456", //8*8-2=62 chars
},
} {
t.Logf("TestCase: %q", c)
output, err := truncatePodHostnameIfNeeded("test-pod", test.input)
assert.NoError(t, err)
assert.Equal(t, test.output, output)
}
}