88 lines
2.0 KiB
Go
88 lines
2.0 KiB
Go
package svc
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import (
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"context"
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"gitea.youtukeji.com.cn/youtu/youtu_grpc/app/auth_service/auth"
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"gitea.youtukeji.com.cn/youtu/youtu_grpc/pkg/config"
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"github.com/spf13/viper"
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"github.com/zeromicro/go-zero/core/conf"
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"github.com/zeromicro/go-zero/core/discov"
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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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)
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type ServiceContext struct {
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Config config.Config
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AuthServiceClient auth.AuthServiceClient
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etcdCli *clientv3.Client
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EcpmConfig *EcpmConfigCli
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}
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func NewServiceContext(c config.Config) *ServiceContext {
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svc := &ServiceContext{
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Config: c,
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}
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//初始化etcd客户端
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svc.initEtcd()
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//初始化auth_service客户端
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svc.initAuthServiceClient()
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return svc
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}
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const EcpmConfigWatchKey = "ecpm_config"
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func (svc *ServiceContext) initEtcd() {
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svc.EcpmConfig = NewEcpmConfig()
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//初始化etcd客户端
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cli, err := clientv3.NewFromURL(viper.GetString(config.EtcdAddrKey))
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if err != nil {
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panic(err)
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}
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//获取ecpm配置
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res, err := cli.Get(context.Background(), EcpmConfigWatchKey)
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if err != nil {
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panic(err)
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}
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//设置ecpm配置
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for _, kv := range res.Kvs {
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svc.EcpmConfig.SetAllByJson(kv.Value)
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}
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//监听etcd
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go func() {
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ch := cli.Watch(context.Background(), EcpmConfigWatchKey)
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//从通道中尝试取值（监视的信息）
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for res := range ch {
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for _, evt := range res.Events {
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svc.EcpmConfig.SetAllByJson(evt.Kv.Value)
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}
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}
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}()
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svc.etcdCli = cli
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}
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// initAuthServiceClient inits the AuthServiceClient.
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func (svc *ServiceContext) initAuthServiceClient() {
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clientConf := zrpc.RpcClientConf{}
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err := conf.FillDefault(&clientConf) // 填充默认值，比如 trace 透传等，参考服务配置说明
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if err != nil {
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panic(err)
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}
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clientConf.Token = "auth_service.rpc.key"
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clientConf.App = "auth_service.rpc"
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clientConf.Etcd = discov.EtcdConf{ // 通过 etcd 服务发现
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Hosts: []string{viper.GetString(config.EtcdAddrKey)},
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Key: "auth_service.rpc",
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}
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svc.AuthServiceClient = auth.NewAuthServiceClient(zrpc.MustNewClient(clientConf).Conn())
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}
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