clientv3 : Added licences to files

clientv3/leasing/cache.go

@@ -1,3 +1,17 @@
+// Copyright 2017 The etcd 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 leasing
 
 import (

clientv3/leasing/doc.go

@@ -25,11 +25,9 @@
 //
 // The first range request acquires the lease by adding the leasing key ("leasing-prefix"/key) on the server and stores the key locally.
 // Further linearized read requests using 'cli.leasing' will be served locally as long as the lease exists:
-//
 // 		cli.Put(context.TODO(), "abc", "123")
 //
 // 	Lease Acquisition:
-//
 //		leasingCli.Get(context.TODO(), "abc")
 //
 //	Local reads:

clientv3/leasing/txn.go

@@ -1,3 +1,17 @@
+// Copyright 2017 The etcd 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 leasing
 
 import (