Import of https://github.com/ciena/voltctl at commit 40d61fbf3f910ed4017cf67c9c79e8e1f82a33a5
Change-Id: I8464c59e60d76cb8612891db3303878975b5416c
diff --git a/vendor/k8s.io/apimachinery/pkg/util/net/port_split.go b/vendor/k8s.io/apimachinery/pkg/util/net/port_split.go
new file mode 100644
index 0000000..c0fd4e2
--- /dev/null
+++ b/vendor/k8s.io/apimachinery/pkg/util/net/port_split.go
@@ -0,0 +1,77 @@
+/*
+Copyright 2015 The Kubernetes 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 net
+
+import (
+ "strings"
+
+ "k8s.io/apimachinery/pkg/util/sets"
+)
+
+var validSchemes = sets.NewString("http", "https", "")
+
+// SplitSchemeNamePort takes a string of the following forms:
+// * "<name>", returns "", "<name>","", true
+// * "<name>:<port>", returns "", "<name>","<port>",true
+// * "<scheme>:<name>:<port>", returns "<scheme>","<name>","<port>",true
+//
+// Name must be non-empty or valid will be returned false.
+// Scheme must be "http" or "https" if specified
+// Port is returned as a string, and it is not required to be numeric (could be
+// used for a named port, for example).
+func SplitSchemeNamePort(id string) (scheme, name, port string, valid bool) {
+ parts := strings.Split(id, ":")
+ switch len(parts) {
+ case 1:
+ name = parts[0]
+ case 2:
+ name = parts[0]
+ port = parts[1]
+ case 3:
+ scheme = parts[0]
+ name = parts[1]
+ port = parts[2]
+ default:
+ return "", "", "", false
+ }
+
+ if len(name) > 0 && validSchemes.Has(scheme) {
+ return scheme, name, port, true
+ } else {
+ return "", "", "", false
+ }
+}
+
+// JoinSchemeNamePort returns a string that specifies the scheme, name, and port:
+// * "<name>"
+// * "<name>:<port>"
+// * "<scheme>:<name>:<port>"
+// None of the parameters may contain a ':' character
+// Name is required
+// Scheme must be "", "http", or "https"
+func JoinSchemeNamePort(scheme, name, port string) string {
+ if len(scheme) > 0 {
+ // Must include three segments to specify scheme
+ return scheme + ":" + name + ":" + port
+ }
+ if len(port) > 0 {
+ // Must include two segments to specify port
+ return name + ":" + port
+ }
+ // Return name alone
+ return name
+}