40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
package dialer
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import (
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"bff/internal/response"
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"context"
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"fmt"
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"net"
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"pkg.local/discovery"
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"github.com/zeromicro/go-zero/zrpc"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials/insecure"
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)
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// Nacos builds a zrpc client whose dials resolve via discovery.Pick.
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func Nacos(conf zrpc.RpcClientConf) zrpc.Client {
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serviceName := conf.Target
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if serviceName == "" {
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panic("gateway dialer: Grpc.Target (nacos serviceName) is required")
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}
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cliConf := conf
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cliConf.Target = "passthrough:///nacos/" + serviceName
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cliConf.Endpoints = nil
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return zrpc.MustNewClient(cliConf,
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zrpc.WithDialOption(grpc.WithTransportCredentials(insecure.NewCredentials())),
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zrpc.WithDialOption(grpc.WithUnaryInterceptor(response.UserClientInterceptor)),
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zrpc.WithDialOption(grpc.WithContextDialer(func(ctx context.Context, _ string) (net.Conn, error) {
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inst, err := discovery.Pick(serviceName)
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if err != nil {
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return nil, err
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}
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var d net.Dialer
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return d.DialContext(ctx, "tcp", net.JoinHostPort(inst.IP, fmt.Sprintf("%d", inst.Port)))
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})),
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)
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}
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