forked from knative/serving
/
names.go
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/
names.go
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/*
Copyright 2019 The Knative Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package names
import (
"strings"
)
// WildcardCertificate returns the Certificate name for the given wildcard DNS name
func WildcardCertificate(dnsName string) string {
nameParts := strings.SplitAfterN(dnsName, ".", 2)
return nameParts[len(nameParts)-1]
}