kinesis-consumer/examples/producer/main.go
Harlow Ward 7d5601fbde Control flow with custom errors types
Major changes:

* Remove the concept of `ScanStatus` in favor of custom errors

Minor changes:

* Move optional config to new file

https://github.com/harlow/kinesis-consumer/issues/75
2019-02-18 11:06:21 -08:00

63 lines
1.2 KiB
Go

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
sess, err := session.NewSession(aws.NewConfig())
if err != nil {
log.Fatal(err)
}
var client = kinesis.New(sess)
// 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(".")
}