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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| package etcd | ||
|
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| import "crypto/tls" | ||
|
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| type Conf struct { | ||
| Endpoints []string `yaml:"endpoints" toml:"endpoints" json:"endpoints"` //地址列表,如: localhost:2379 | ||
| Username string `yaml:"username" toml:"username" json:"username"` //账号 | ||
| Password string `yaml:"password" toml:"password" json:"password"` //密码 | ||
| Timeout int `yaml:"timeout" toml:"timeout" json:"timeout"` //连接超时时间（毫秒）默认10000ms | ||
| Tls *tls.Config `yaml:"-" toml:"-" json:"-"` //tls配置 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| //@doc https://github.com/etcd-io/etcd/tree/main/client/v3 | ||
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| package etcd | ||
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| import ( | ||
| "time" | ||
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| clientv3 "go.etcd.io/etcd/client/v3" | ||
| ) | ||
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| var client *clientv3.Client | ||
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| // Init 初始化连接实例 | ||
| func Init(conf Conf) { | ||
| if conf.Timeout == 0 { | ||
| conf.Timeout = 10000 | ||
| } | ||
|
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| cfg := clientv3.Config{ | ||
| Endpoints: conf.Endpoints, | ||
| DialTimeout: time.Duration(conf.Timeout) * time.Millisecond, | ||
| } | ||
|
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| if conf.Tls != nil { | ||
| cfg.TLS = conf.Tls | ||
| } | ||
| if len(conf.Username) != 0 && len(conf.Password) != 0 { | ||
| cfg.Username = conf.Username | ||
| cfg.Password = conf.Password | ||
| } | ||
|
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| cli, err := clientv3.New(cfg) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| client = cli | ||
| } | ||
|
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| // GetInstance 获取连接实例 | ||
| func GetInstance() *clientv3.Client { | ||
| return client | ||
| } | ||
|
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| // New 新建连接实例 | ||
| func New(conf Conf) (*clientv3.Client, error) { | ||
| if conf.Timeout == 0 { | ||
| conf.Timeout = 10000 | ||
| } | ||
|
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| cfg := clientv3.Config{ | ||
| Endpoints: conf.Endpoints, | ||
| DialTimeout: time.Duration(conf.Timeout) * time.Millisecond, | ||
| } | ||
|
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| if conf.Tls != nil { | ||
| cfg.TLS = conf.Tls | ||
| } | ||
| if len(conf.Username) != 0 && len(conf.Password) != 0 { | ||
| cfg.Username = conf.Username | ||
| cfg.Password = conf.Password | ||
| } | ||
|
|
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| return clientv3.New(cfg) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package etcd | ||
|
|
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| import ( | ||
| "context" | ||
|
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| clientv3 "go.etcd.io/etcd/client/v3" | ||
| ) | ||
|
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| // Watch 监听key | ||
| func Watch(key string, fn func(k, v []byte)) { | ||
| watchChan := GetInstance().Watch(context.Background(), key) | ||
| for watchResp := range watchChan { | ||
| for _, value := range watchResp.Events { | ||
| fn(value.Kv.Key, value.Kv.Value) | ||
| } | ||
| } | ||
| } | ||
|
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| // WatchWithPrefix 监听key，带前缀 | ||
| func WatchWithPrefix(key string, fn func(k, v []byte)) { | ||
| watchChan := GetInstance().Watch(context.Background(), key, clientv3.WithPrefix()) | ||
| for watchResp := range watchChan { | ||
| for _, value := range watchResp.Events { | ||
| fn(value.Kv.Key, value.Kv.Value) | ||
| } | ||
| } | ||
| } |
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