forked from harlow/kinesis-consumer
/
main.go
58 lines (49 loc) · 1.17 KB
/
main.go
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package main
import (
"bufio"
"flag"
"fmt"
"log"
"os"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/kinesis"
)
func main() {
var streamName = flag.String("stream", "", "Stream name")
flag.Parse()
// open dummy user data
f, err := os.Open("users.txt")
if err != nil {
log.Fatal("Cannot open users.txt file")
}
defer f.Close()
var records []*kinesis.PutRecordsRequestEntry
var client = kinesis.New(session.New())
// loop over file data
b := bufio.NewScanner(f)
for b.Scan() {
records = append(records, &kinesis.PutRecordsRequestEntry{
Data: b.Bytes(),
PartitionKey: aws.String(time.Now().Format(time.RFC3339Nano)),
})
if len(records) > 250 {
putRecords(client, streamName, records)
records = nil
}
}
if len(records) > 0 {
putRecords(client, streamName, records)
}
}
func putRecords(client *kinesis.Kinesis, streamName *string, records []*kinesis.PutRecordsRequestEntry) {
_, err := client.PutRecords(&kinesis.PutRecordsInput{
StreamName: streamName,
Records: records,
})
if err != nil {
log.Fatalf("error putting records: %v", err)
}
fmt.Print(".")
}