xiabin
b9018c33aa
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100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package config
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import (
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"context"
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"fmt"
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"github.com/spf13/viper"
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_ "github.com/spf13/viper/remote"
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"github.com/zeromicro/go-zero/zrpc"
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clientv3 "go.etcd.io/etcd/client/v3"
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"os"
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)
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const (
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TypeKey = "CONFIG_TYPE" // 配置文件类型
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TypeEtcd = "etcd"
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TypeEnv = "env"
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Prefix = "/youtu/config/" // 配置文件前缀
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EtcdAddrKey = "ETCD_ADDR"
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)
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type Redis struct {
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Host string `json:"host"`
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Password string `json:"password"`
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}
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type AppAccount struct {
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AppId string `json:"appId"`
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Secret string `json:"secret"`
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Type string `json:"type"`
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}
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type Config struct {
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RpcServerConf zrpc.RpcServerConf
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Mode string
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Mysql string
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Redis []Redis
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}
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func init() {
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etcdAddr := "192.168.0.47:2379"
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envEtcdAddr := os.Getenv(EtcdAddrKey)
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if envEtcdAddr != "" {
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etcdAddr = envEtcdAddr
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}
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viper.SetDefault(EtcdAddrKey, etcdAddr)
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viper.SetDefault(TypeKey, TypeEtcd)
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}
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func GetConfig(c *Config, serverName string) (err error) {
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err = viper.AddRemoteProvider("etcd3", viper.GetString(EtcdAddrKey), Prefix+serverName+".rpc")
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fmt.Println(Prefix + serverName + ".rpc")
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if err != nil {
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return
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}
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viper.SetConfigType("json") // because there is no file extension in a stream of bytes, supported extensions are "json", "toml", "yaml", "yml", "properties", "props", "prop", "env", "dotenv"
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err = viper.ReadRemoteConfig()
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if err != nil {
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return
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}
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err = viper.Unmarshal(&c)
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if err != nil {
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return
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}
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c.RpcServerConf.Name = serverName + ".rpc"
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c.RpcServerConf.ServiceConf.Mode = c.Mode
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return
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}
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func SetConfig(b, serverName string) (err error) {
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etcdCli, err := clientv3.NewFromURL(viper.GetString(EtcdAddrKey))
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if err != nil {
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return
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}
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_, err = etcdCli.Put(context.Background(), Prefix+serverName+".rpc", b)
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return
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}
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// EtcdGetOneAndWatch 获取etcd配置并监听对应的key
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func EtcdGetOneAndWatch(ctx context.Context, cli *clientv3.Client, key string, ch chan []byte) {
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defer close(ch)
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b, err := cli.Get(ctx, key)
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if err != nil {
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return
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}
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for _, kv := range b.Kvs {
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ch <- kv.Value
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}
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resCh := cli.Watch(ctx, key)
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for res := range resCh {
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for _, event := range res.Events {
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ch <- event.Kv.Value
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}
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}
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return
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}
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