-
Notifications
You must be signed in to change notification settings - Fork 0
/
etcd.go
76 lines (67 loc) · 2.04 KB
/
etcd.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
// Copyright 2020 SunJun <i@sjis.me>
//
// 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 etcd
import (
"time"
"github.com/etcd-io/etcd/clientv3"
"github.com/sjatsh/xdiscovery"
)
const (
defaultEtcdAddr = "127.0.0.1:2379"
defaultDailTimeout = 5 * time.Second
defaultLeaseTime = 600
)
type etcdAdapter struct {
client *clientv3.Client
config clientv3.Config
}
// etcd服务注册发现适配器
func NewEtcdAdapter(opts ...*clientv3.Config) (xdiscovery.Adapter, error) {
opt := clientv3.Config{}
if len(opts) > 0 {
opt = *opts[0]
}
if len(opt.Endpoints) == 0 {
opt.Endpoints = []string{defaultEtcdAddr}
opt.DialTimeout = defaultDailTimeout
}
cli, err := clientv3.New(opt)
if err != nil {
return nil, err
}
d := &etcdAdapter{
client: cli,
config: opt,
}
return d, nil
}
func (d *etcdAdapter) Register(svc *xdiscovery.Service, opts ...xdiscovery.RegisterOpts) (xdiscovery.Registry, error) {
registerOpts := xdiscovery.RegisterOpts{}
if len(opts) > 0 {
registerOpts = opts[0]
}
r := newRegistry(d)
err := r.init(svc.Copy(), ®isterOpts)
if err != nil {
return nil, err
}
return r, err
}
func (d *etcdAdapter) WatchList(service string, onUpdateList xdiscovery.OnUpdateList, opts ...xdiscovery.WatchOption) (xdiscovery.Watcher, error) {
opt := xdiscovery.WatchOption{}
if len(opts) > 0 {
opt = opts[0]
}
return newWatcher(d.config, service, opt.DC, onUpdateList)
}