Adding OWNERS file for vSphere cloud-provider package

also updating license file for Govmomi library

vendor/github.com/vmware/govmomi/vim25/progress/prefix.go

@@ -0,0 +1,54 @@
+/*
+Copyright (c) 2014 VMware, Inc. All Rights Reserved.
+
+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 progress
+
+import "fmt"
+
+type prefixedReport struct {
+	Report
+	prefix string
+}
+
+func (r prefixedReport) Detail() string {
+	if d := r.Report.Detail(); d != "" {
+		return fmt.Sprintf("%s: %s", r.prefix, d)
+	}
+
+	return r.prefix
+}
+
+func prefixLoop(upstream <-chan Report, downstream chan<- Report, prefix string) {
+	defer close(downstream)
+
+	for r := range upstream {
+		downstream <- prefixedReport{
+			Report: r,
+			prefix: prefix,
+		}
+	}
+}
+
+func Prefix(s Sinker, prefix string) Sinker {
+	fn := func() chan<- Report {
+		upstream := make(chan Report)
+		downstream := s.Sink()
+		go prefixLoop(upstream, downstream, prefix)
+		return upstream
+	}
+
+	return SinkFunc(fn)
+}