70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package main
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import (
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"bufio"
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"flag"
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"fmt"
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"log"
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"os"
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"sync"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/kinesis"
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)
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// Note: download file with test data
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// curl https://s3.amazonaws.com/kinesis.test/users.txt -o /tmp/users.txt
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var stream = flag.String("s", "", "Stream name")
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func putToKinesis(svc *kinesis.Kinesis, data string, partitionKey string) {
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params := &kinesis.PutRecordInput{
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Data: []byte(data),
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PartitionKey: aws.String(partitionKey),
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StreamName: aws.String(*stream),
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}
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_, err := svc.PutRecord(params)
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if err != nil {
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fmt.Println(err.Error())
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return
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} else {
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fmt.Print(".")
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}
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}
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func main() {
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flag.Parse()
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jobCh := make(chan string)
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svc := kinesis.New(session.New())
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wg := &sync.WaitGroup{}
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// boot the workers for processing data
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for i := 0; i < 4; i++ {
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wg.Add(1)
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go func() {
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for data := range jobCh {
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putToKinesis(svc, data, string(i))
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}
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wg.Done()
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}()
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}
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// open data file
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f, err := os.Open("/tmp/users.txt")
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if err != nil {
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log.Fatal("Cannot open users.txt file")
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}
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defer f.Close()
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// put sample data on channel
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b := bufio.NewScanner(f)
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for b.Scan() {
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data := b.Text()
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jobCh <- data
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}
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fmt.Println(".")
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log.Println("Finished populating stream")
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}
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