examples/golang-hello-vendor/src/hello/hello.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 hello

import (
	"os"

	"github.com/sirupsen/logrus"
)

var log = logrus.New()

// Hello receive an event in format
// { "name": "Mike"}
// and returns a greeting in format
// { "greetings": "Hello, Mike"}
func Hello(args map[string]interface{}) map[string]interface{} {
	log.Out = os.Stdout
	res := make(map[string]interface{})
	greetings := "world"
	name, ok := args["name"].(string)
	if ok {
		greetings = name
	}
	res["golang-hello-vendor"] = "Hello, " + greetings
	log.WithFields(logrus.Fields{"greetings": greetings}).Info("Hello")
	return res
}