/
sarama.go
111 lines (92 loc) · 3.1 KB
/
sarama.go
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// MIT License
//
// (C) Copyright [2020-2021] Hewlett Packard Enterprise Development LP
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
package main
import (
"fmt"
"github.com/Shopify/sarama"
"strconv"
"time"
)
var kafkaProducer *sarama.AsyncProducer
func handleSaramaKafkaErrors() {
for kafkaError := range (*kafkaProducer).Errors() {
fmt.Printf("Failed to produce message async (%s): %+v\n", kafkaError.Err, kafkaError.Msg)
}
fmt.Println("Done consuming errors.")
}
func testSarama() {
fmt.Printf("Connecting to %s and gathering topics with Sarama library...\n", bootstrapServers)
config := sarama.NewConfig()
config.Consumer.Return.Errors = true
config.Producer.Return.Errors = true
config.Producer.Return.Successes = true
config.Consumer.Fetch.Max = 2147483647
client, err := sarama.NewClient([]string{bootstrapServers}, config)
if err != nil {
fmt.Println(err)
return
}
// Get all topics/brokers from client
topics, _ := client.Topics()
fmt.Printf("Found %d topics:\n", len(topics))
for _, topic := range topics {
fmt.Printf("\t%s\n", topic)
}
var producer sarama.AsyncProducer
producer, err = sarama.NewAsyncProducerFromClient(client)
if err != nil {
fmt.Println("Unable to connect to Kafka!")
return
}
kafkaProducer = &producer
go handleSaramaKafkaErrors()
for i := 1; i <= iterationCount; i++ {
payload := `
{
"Context": "Sarama",
"Events": [
{
"EventId": "` + strconv.Itoa(i) + `",
"Severity": "OK",
"Message": "The power state of resource /redfish/v1/Systems/Node0 has changed to type On.",
"MessageId": "CrayAlerts.1.0.ResourcePowerStateChanged",
"MessageArgs": [
"/redfish/v1/Systems/Node0",
"On"
],
"OriginOfCondition": {
"@odata.id": "/redfish/v1/Systems/Node0"
}
}
]
}
`
msg := &sarama.ProducerMessage{
Topic: kafkaTopic,
Value: sarama.StringEncoder(payload),
}
producer.Input() <- msg
fmt.Printf("Sent message async: %+v\n", msg)
}
time.Sleep(time.Second * 3)
producer.AsyncClose()
}