backend/pkg/rpc/rpc.go

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2022-01-11 00:48:03 +08:00
package rpc
import (
_ "embed"
"fmt"
"git.icechen.cn/monorepo/backend/pkg/config"
"google.golang.org/grpc"
"os"
"strings"
)
// GetServiceConnByEnv 通过环境变量获取服务的连接
func GetServiceConnByEnv(serviceName string) *grpc.ClientConn {
target := os.Getenv(strings.ToUpper("SERVICE_" + serviceName))
return getConn(target)
}
// GetServiceConn 获取服务的连接
func GetServiceConn(serviceName string) *grpc.ClientConn {
target := "dns:///service-" + serviceName + ":80"
if config.IsTest() {
target = "dns:///service-" + serviceName + "-test:80"
}
return getConn(target)
}
// GetServiceConnWithNamespace 获取跨项目的服务的连接
func GetServiceConnWithNamespace(serviceName string, namespace string) *grpc.ClientConn {
serviceName = serviceName + "." + namespace
target := "dns:///service-" + serviceName + ":80"
if config.IsTest() {
target = "dns:///service-" + serviceName + "-test:80"
}
return getConn(target)
}
func getConn(target string, opts ...grpc.DialOption) *grpc.ClientConn {
opts = append(opts, grpc.WithInsecure())
cli, err := grpc.Dial(target, opts...)
if err != nil {
fmt.Println("target: " + target + " err: " + err.Error())
return nil
}
return cli
}