forked from newrelic/go-agent
/
client.go
58 lines (50 loc) · 1.35 KB
/
client.go
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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"context"
"fmt"
"os"
"time"
"github.com/micro/go-micro"
newrelic "github.com/newrelic/go-agent"
"github.com/newrelic/go-agent/_integrations/nrmicro"
proto "github.com/newrelic/go-agent/_integrations/nrmicro/example/proto"
)
func mustGetEnv(key string) string {
if val := os.Getenv(key); "" != val {
return val
}
panic(fmt.Sprintf("environment variable %s unset", key))
}
func main() {
cfg := newrelic.NewConfig("Micro Client", mustGetEnv("NEW_RELIC_LICENSE_KEY"))
cfg.Logger = newrelic.NewDebugLogger(os.Stdout)
app, err := newrelic.NewApplication(cfg)
if nil != err {
panic(err)
}
err = app.WaitForConnection(10 * time.Second)
if nil != err {
panic(err)
}
defer app.Shutdown(10 * time.Second)
txn := app.StartTransaction("client", nil, nil)
defer txn.End()
service := micro.NewService(
// Add the New Relic wrapper to the client which will create External
// segments for each out going call.
micro.WrapClient(nrmicro.ClientWrapper()),
)
service.Init()
ctx := newrelic.NewContext(context.Background(), txn)
c := proto.NewGreeterService("greeter", service.Client())
rsp, err := c.Hello(ctx, &proto.HelloRequest{
Name: "John",
})
if err != nil {
fmt.Println(err)
return
}
fmt.Println(rsp.Greeting)
}