clientv3: add more code examples

clientv3/example_test.go

@@ -0,0 +1,47 @@
+// Copyright 2016 CoreOS, Inc.
+//
+// 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 clientv3_test
+
+import (
+	"log"
+	"time"
+
+	"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
+	"github.com/coreos/etcd/clientv3"
+)
+
+var (
+	dialTimeout    = 5 * time.Second
+	requestTimeout = 1 * time.Second
+	endpoints      = []string{"localhost:12378", "localhost:22378", "http://localhost:32380"}
+)
+
+func Example() {
+	cli, err := clientv3.New(clientv3.Config{
+		Endpoints:   endpoints,
+		DialTimeout: dialTimeout,
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer cli.Close() // make sure to close the client
+
+	kvc := clientv3.NewKV(cli)
+
+	_, err = kvc.Put(context.TODO(), "foo", "bar")
+	if err != nil {
+		log.Fatal(err)
+	}
+}