kinesis-consumer/utils.go
Harlow Ward b086b64d7b Add Emitters
* Add first s3 Emitter along with Emitter Interface.
* Replace setters with initializers.
2014-07-29 19:02:16 -07:00

58 lines
1.2 KiB
Go

package etl
import (
"fmt"
"github.com/sendgridlabs/go-kinesis"
"time"
)
func CreateAndWaitForStreamToBecomeAvailable(ksis *kinesis.Kinesis, streamName string, shardCount int) {
if !StreamExists(ksis, streamName) {
err := ksis.CreateStream(streamName, shardCount)
if err != nil {
fmt.Printf("CreateStream ERROR: %v\n", err)
return
}
}
resp := &kinesis.DescribeStreamResp{}
timeout := make(chan bool, 30)
for {
args := kinesis.NewArgs()
args.Add("StreamName", streamName)
resp, _ = ksis.DescribeStream(args)
streamStatus := resp.StreamDescription.StreamStatus
fmt.Printf("Stream [%v] is %v\n", streamName, streamStatus)
if streamStatus != "ACTIVE" {
time.Sleep(4 * time.Second)
timeout <- true
} else {
break
}
}
}
func StreamExists(ksis *kinesis.Kinesis, streamName string) bool {
args := kinesis.NewArgs()
resp, _ := ksis.ListStreams(args)
for _, name := range resp.StreamNames {
if name == streamName {
return true
}
}
return false
}
func DeleteStream(ksis *kinesis.Kinesis, streamName string) {
err := ksis.DeleteStream("test")
if err != nil {
fmt.Printf("DeleteStream ERROR: %v\n", err)
return
}
fmt.Printf("Stream [%v] is DELETING\n", streamName)
}