Completed DynamoDB + DAX Benchmarker with a nice TUI to boot

2023-08-02 18:11:41 -06:00
parent 09862c1b43
commit e42070eefa
55 changed files with 3574 additions and 1 deletions
@@ -0,0 +1,69 @@
+package simulators
+
+import (
+	"time"
+
+	"github.com/Dark-Alex-17/dynamodb-benchmarker/pkg/models"
+	"github.com/aws/aws-dax-go/dax"
+	"github.com/aws/aws-sdk-go/service/dynamodb"
+	log "github.com/sirupsen/logrus"
+)
+
+func AssertItemWasCreated(client *dax.Dax, tableName string, id dynamodb.AttributeValue, metrics *models.DynamoDbSimulationMetrics) {
+	partitionKey := *id.S
+	attemptsExhausted := false
+	startTime := time.Now()
+
+	for i := 0; i < 10; i++ {
+		log.Infof("Attempt %d: Fetching newly added item with partition key: %v", i, partitionKey)
+
+		newItem, err := ReadItem(client, tableName, id, metrics, false)
+
+		if err != nil || newItem.Item["id"].S == nil {
+			log.Errorf("Unable to find new item with partition key: %v", partitionKey)
+			if i == 9 {
+				log.Errorf("All attempts to fetch the newly added item with partition key: %v failed!", partitionKey)
+				attemptsExhausted = true
+				metrics.Successful = false
+			}
+		} else {
+			log.Infof("Successfully read new item with partition key: %v", partitionKey)
+			break
+		}
+	}
+
+	if !attemptsExhausted {
+		duration := time.Since(startTime).Microseconds()
+		millisecondDuration := float64(duration) / 1000
+		metrics.WriteItemConfirmationTime = &millisecondDuration
+	}
+}
+
+func AssertItemWasDeleted(client *dax.Dax, tableName string, id dynamodb.AttributeValue, metrics *models.DynamoDbSimulationMetrics) {
+	partitionKey := *id.S
+	attemptsExhausted := false
+	startTime := time.Now()
+
+	for i := 0; i < 10; i++ {
+		log.Infof("Attempt %d: Fetching deleted item with partition key: %v ...", i, partitionKey)
+
+		deletedItem, _ := ReadItem(client, tableName, id, metrics, false)
+		if deletedItem.Item["id"].S == nil {
+			log.Infof("Item with partition key: %v was successfully deleted.", partitionKey)
+			break
+		} else {
+			log.Errorf("Item with partition key %v was not deleted as expected!", partitionKey)
+			if i == 9 {
+				log.Errorf("All attempts to receive an empty response to verify item with partition key: %v was deleted failed!", partitionKey)
+				attemptsExhausted = true
+				metrics.Successful = false
+			}
+		}
+	}
+
+	if !attemptsExhausted {
+		duration := time.Since(startTime).Microseconds()
+		millisecondDuration := float64(duration) / 1000
+		metrics.DeleteItemConfirmationTime = &millisecondDuration
+	}
+}