benchling-webhook

API Gateway for processing Benchling Events

Project Structure

The codebase is organized as follows:

• lib/constants.ts - Shared constants and configuration
• lib/types.ts - TypeScript interfaces and types
• lib/state-machine.ts - AWS Step Functions workflow definition
• lib/lambda/process-export.ts - Lambda function for processing exports

Architecture

This project implements a serverless webhook processor for Benchling events using AWS services:

• API Gateway receives webhook events
• Step Functions orchestrates the processing
• S3 stores event data and entry details
• SQS handles notifications

See lib/README.md for detailed architecture documentation.

Configuration

Create a .env file with the following content:

export CDK_DEFAULT_ACCOUNT=XXXXXXXXXXXX
export CDK_DEFAULT_REGION=us-west-2
export BUCKET_NAME=bucket-in-that-region
export PREFIX=test/benchling-webhook
export QUEUE_NAME=STACK_NAME-PackagerQueue-XXXXXXX
export QUEUE_URL=https://sqs.$CDK_DEFAULT_REGION.amazonaws.com/$CDK_DEFAULT_ACCOUNT/$QUEUE_NAME

Deployment

source .env
npx cdk bootstrap aws://$CDK_DEFAULT_ACCOUNT/$CDK_DEFAULT_REGION
npx cdk deploy

Benchling Setup

1. Create an App Manifest that subscribes to the desired events
2. In Benchling, go to lower left Profile -> Feature Settings -> Developer Console
3. Apps -> Create app -> From manifest
   1. Select Public
   2. Add app manifest
   3. Create
4. Create Client Secret
5. Copy BENCHLING_CLIENT_ID and BENCHLING_CLIENT_SECRET to .env
6. Go to Overview -> Webhook URL
   1. Click edit
   2. Paste in the API Gateway URL from cdk
   3. Save
7. Go to Version History -> Install
8. Click "View app in workspace"
9. Click "Activate"
10. Go to Profile -> Tenant Admin console
    1. Verify it is in Apps
    2. Go to Organizations -> "your org"
11. Go to "Apps" tab
    1. Start typing 'package-with-quilt' in the search box
    2. Click "Add app"
    3. Select the app
    4. Change the 'Role' to 'Admin'

Usage

1. Create a new entry in the Benchling app
   1. Go to the "Benchling" tab
   2. Click "Create > Entry -> Blank entry"
   3. Set a name
   4. Click "Create"
2. Add the Canvas app to the entry
   1. Select "Insert -> Canvas" from the Toolbar
   2. Select "Quilt Integration"
   3. Click "Insert"
3. In the Canvas section
   1. Click "Create" (wait a few seconds for it to create)
   2. Wait a bit for the package to be asynchronously created
   3. Command-Click "Quilt Catalog" to open the package in a new window
4. Drag in an attachment to the Benchling entry
   1. Click "Update package" to create a new version

Testing

export ENDPOINT_ID=4abcdef123
export ENDPOINT_URL=https://$ENDPOINT_ID.execute-api.$CDK_DEFAULT_REGION.amazonaws.com/$STAGE/event
export ENTRY_ID=etr_XXXXXX

curl -X POST $ENDPOINT_URL -H "Content-Type: application/json" -d @test/entry-updated.json

aws s3 cp s3://$BUCKET_NAME/$PREFIX/$ENTRY_ID/api_payload.json -
open https://$QUILT_CATALOG/b/$BUCKET_NAME/tree/$PREFIX/$ENTRY_ID

Useful commands

• npm run build compile typescript to js
• npm run watch watch for changes and compile
• npm run test perform the jest unit tests
• npx cdk deploy deploy this stack to your default AWS account/region
• npx cdk diff compare deployed stack with current state
• npx cdk synth emits the synthesized CloudFormation template