microservices-demo/src/cartservice/probe/main.go

52 lines
1.4 KiB
Go

// Copyright 2018 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"context"
"log"
"os"
"time"
pb "github.com/GoogleCloudPlatform/microservices-demo/src/cartservice/probe/genproto"
"google.golang.org/grpc"
)
func main() {
port := os.Getenv("PORT")
if port == "" {
log.Fatal("probe is executed without PORT env var")
}
log.Printf("probe executing on port %q", port)
conn, err := grpc.DialContext(context.TODO(),
"127.0.0.1:"+port,
grpc.WithBlock(),
grpc.WithTimeout(time.Second*3),
grpc.WithInsecure(),
)
if err != nil {
log.Fatalf("probe failed: failed to connect: %+v", err)
}
defer conn.Close()
if _, err := pb.NewCartServiceClient(conn).GetCart(context.TODO(),
&pb.GetCartRequest{UserId: "exec-probe-nonexistinguser"}); err != nil {
log.Fatalf("probe failed: failed to query: %+v", err)
}
log.Println("probe successful")
}