open-vault/vendor/go.etcd.io/etcd/client/discover.go
Jeff Mitchell 3f1a7d4fdd
Update to latest etcd and use the new repository packages (#6087)
This will be necessary for go mod work

Additionally, the srv api has changed. This adapts to it.
2019-01-23 14:35:03 -05:00

41 lines
1.2 KiB
Go

// Copyright 2015 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 client
import (
"go.etcd.io/etcd/pkg/srv"
)
// Discoverer is an interface that wraps the Discover method.
type Discoverer interface {
// Discover looks up the etcd servers for the domain.
Discover(domain string, serviceName string) ([]string, error)
}
type srvDiscover struct{}
// NewSRVDiscover constructs a new Discoverer that uses the stdlib to lookup SRV records.
func NewSRVDiscover() Discoverer {
return &srvDiscover{}
}
func (d *srvDiscover) Discover(domain string, serviceName string) ([]string, error) {
srvs, err := srv.GetClient("etcd-client", domain, serviceName)
if err != nil {
return nil, err
}
return srvs.Endpoints, nil
}