mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-18 15:50:52 +01:00
c30b12b5a1
* Fix sarama import URLs * Update gomatrixserverlib * Update naffka * Update naffka * Update in kafka-producer
93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
// Copyright 2017 Vector Creations Ltd
|
|
//
|
|
// 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 (
|
|
"bufio"
|
|
"flag"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
sarama "github.com/Shopify/sarama"
|
|
)
|
|
|
|
const usage = `Usage: %s
|
|
|
|
Reads a list of newline separated messages from stdin and writes them to a single partition in kafka.
|
|
|
|
Arguments:
|
|
|
|
`
|
|
|
|
var (
|
|
brokerList = flag.String("brokers", os.Getenv("KAFKA_PEERS"), "The comma separated list of brokers in the Kafka cluster. You can also set the KAFKA_PEERS environment variable")
|
|
topic = flag.String("topic", "", "REQUIRED: the topic to produce to")
|
|
partition = flag.Int("partition", 0, "The partition to produce to. All the messages will be written to this partition.")
|
|
)
|
|
|
|
func main() {
|
|
flag.Usage = func() {
|
|
fmt.Fprintf(os.Stderr, usage, os.Args[0])
|
|
flag.PrintDefaults()
|
|
}
|
|
|
|
flag.Parse()
|
|
|
|
if *brokerList == "" {
|
|
fmt.Fprintln(os.Stderr, "no -brokers specified. Alternatively, set the KAFKA_PEERS environment variable")
|
|
os.Exit(1)
|
|
}
|
|
|
|
if *topic == "" {
|
|
fmt.Fprintln(os.Stderr, "no -topic specified")
|
|
os.Exit(1)
|
|
}
|
|
|
|
config := sarama.NewConfig()
|
|
config.Producer.RequiredAcks = sarama.WaitForAll
|
|
config.Producer.Return.Successes = true
|
|
config.Producer.Partitioner = sarama.NewManualPartitioner
|
|
|
|
producer, err := sarama.NewSyncProducer(strings.Split(*brokerList, ","), config)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, "Failed to open Kafka producer:", err)
|
|
os.Exit(1)
|
|
}
|
|
defer func() {
|
|
if err := producer.Close(); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Failed to close Kafka producer cleanly:", err)
|
|
}
|
|
}()
|
|
|
|
scanner := bufio.NewScanner(os.Stdin)
|
|
for scanner.Scan() {
|
|
line := scanner.Bytes()
|
|
message := &sarama.ProducerMessage{
|
|
Topic: *topic,
|
|
Partition: int32(*partition),
|
|
Value: sarama.ByteEncoder(line),
|
|
}
|
|
if _, _, err := producer.SendMessage(message); err != nil {
|
|
fmt.Fprintln(os.Stderr, "Failed to send message:", err)
|
|
os.Exit(1)
|
|
}
|
|
|
|
}
|
|
if err := scanner.Err(); err != nil {
|
|
fmt.Fprintln(os.Stderr, "reading standard input:", err)
|
|
}
|
|
|
|
}
|