github.com/letsencrypt/trillian@v1.1.2-0.20180615153820-ae375a99d36a/util/etcd/client.go (about)

     1  // Copyright 2017 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package etcd
    16  
    17  import (
    18  	"strings"
    19  	"time"
    20  
    21  	"github.com/coreos/etcd/clientv3"
    22  )
    23  
    24  // NewClient returns an etcd client, or nil if servers is empty.
    25  // The servers parameter should be a comma-separated list of etcd server URIs.
    26  func NewClient(servers string) (*clientv3.Client, error) {
    27  	if servers == "" {
    28  		return nil, nil
    29  	}
    30  	return clientv3.New(clientv3.Config{
    31  		Endpoints:   strings.Split(servers, ","),
    32  		DialTimeout: 5 * time.Second,
    33  	})
    34  }