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Effective AWS Step Functions
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haruharuharuby
September 10, 2022
Technology
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Effective AWS Step Functions
haruharuharuby
September 10, 2022
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Transcript
Effective Step Functions Tomoharu Ito https://hugtech.io
Agenda 1. Lambda invoking is often bad. 2. The new
process with WorkflowStudio 3. Point of view for variable injection in CI/CD 4. Design Patterns 5. Use case (Shifter, SAML integration workflow)
1. Lambda invoking is often bad.
1. [Problem] sometimes hard to see your logic. packed in..
- Transcribe:StartBatchJob - WaitJobComplete - SNS:Publish - SES:SendEmail - DynamoDB: UpdateItem : return FALLBACK?
1. [Solution] Extract Lambda by SDK integration
Eliminate Lambda (as much as possible). Express (and don’t hide)
your logic on your StateMachine.
2. The new process and benefit for WorkflowStudio Prototype first.
Business logic first.
2. Circulation your workflow Console and Repository
2. Alteration ASL easy on the Workflow Studio (1) Handling
all the exceptions.
Output modification. 2. Alteration ASL easy on the Workflow Studio
(2)
Don’t needed write ASL direct. Designing isolated In/Out. Mutually exclusive
errors and fallbacks.
3. Point of view for variable injection in CI/CD
3. Pulling variables in the workflow SSM:GetParameters on top of
Workflow.
3. Inject variables from AWS-SAM
3. [Recommended Way] Inject variables from AWS-SAM Reset injected values
to inside Workflow as variables on top.
Refer them as workflow parameters. 3. [Recommended Way] Inject variables
from AWS-SAM
Manage credential on the single point. Dynamic or static more
suitable in your use-case .
4. Design Patterns Exception Handler Catching all exceptions
4. Design Patterns Delaying operation in StateMachine. Delay
4. Design Patterns Run different operation depending on StateMachine input.
Action & Choice
4. Design Patterns Avoid StateMachine Nesting with EventBridge. Flatten
4. Design Patterns Real time notification from StateMachine. Async Notification
5. Use case (Shifter, SAML integration workflow)
Switch operation per phase in a workflow
None
None
More traceability comes from SDK integration.
Monitoring performance by default with X-Ray.
Thanks for listening everyone. See you at the next meetup.