code/function/cmd/main.go

// Copyright 2021 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"

	"github.com/GoogleCloudPlatform/functions-framework-go/funcframework"
	costsentry "github.com/googlecloudplatform/appinabox_costsentry"
)

func main() {
	ctx := context.Background()
	if err := funcframework.RegisterEventFunctionContext(ctx, "/", costsentry.LimitUsage); err != nil {
		log.Fatalf("funcframework.RegisterEventFunctionContext: %v\n", err)
	}
	// Use PORT environment variable, or default to 8080.
	port := "8080"
	if envPort := os.Getenv("PORT"); envPort != "" {
		port = envPort
	}
	if err := funcframework.Start(port); err != nil {
		log.Fatalf("funcframework.Start: %v\n", err)
	}
}