Jason Wadsworth Solving the DynamoDB EventBridge Pipes Problem AWS Communtity Day Midwest 2023

1. <@your social handle>

2. Solving the DynamoDB
EventBridge Pipes Problem
Jason Wadsworth, Chief Architect, Trust, Armanino LLP
@quizout

3. EventBridge Pipes
What are they?
Pipes
Amazon EventBridge Amazon DynamoDB
Stream
Amazon EventBridge
Event
Pipes

4. {
”pk": "ABCDEFG",
”sk": ”User",
"firstName": "Jason",
"lastName": "Wadsworth",
"email": "jasonwadsworth@outlook.com",
"groups": ["Administrator"]
}
{
"id": "ABCDEFG",
"firstName": "Jason",
"lastName": "Wadsworth",
"email": "jasonwadsworth@outlook.com",
"groups": ["Administrator"]
}
What I am saving to DynamoDB
What I want to send to EventBridge

5. {
”pk": {
"S": "ABCDEFG"
},
”sk": {
"S": ”User"
},
"firstName": {
"S": "Jason"
},
"lastName": {
"S": "Wadsworth"
},
"email": {
"S": "jasonwadsworth@outlook.com"
},
"groups": {
"L": [
{
"S": "Administrator"
}
]
}
}

6. {
"id": <$.dynamodb.NewImage.pk.S>,
"firstName": <$.dynamodb.NewImage.firstName.S>,
"lastName": <$.dynamodb.NewImage.lastName.S>,
"email": <$.dynamodb.NewImage.email.S>,
”groups": <$.dynamodb.NewImage.groups.L[*].S>,
}
First Attempt

7. Enrichments to the Rescue!
Stream Event
Pipes
AWS Step Functions
Amazon DynamoDB Amazon EventBridge

9. AWS Fixes the Problem*

10. Is This Okay?
Best practices check
DynamoDB Streams should have no more than two consumers

11. Final Solution
Just use Step Functions
Amazon DynamoDB
Stream
Pipes
AWS Step Functions

13. Thank you!
Jason Wadsworth
jasonwadsworth@outlook.com
@quizout – Twitter
jasonwadsworth – LinkedIn
jason.wadsworth.dev – Blog