Fetches and then adds existing DynamoDB Table streams to serverless.yml file using table name for serverless framework
npm install serverless-dynamodb-stream-arn-plugin ### serverless-dynamodb-stream-arn-plugin
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Fetches and then adds existing DynamoDB Table streams to serverless.yml file using table name for serverless framework
This plugin calls AWS Describe Streams on you behalf and adds the stream to serverless config file.
*
How to use
1. Add to your serverless config plugins object
``
`
plugins:
- other plugins
- serverless-dynamodb-stream-arn-plugin
arn: ${fetchStreamARN(
2. Call the function on your stream arn key like below
`
Code Example:
`
functions:
sourceLambda:
handler: ./src/functions/dynamodbOperation
events:
- stream:
arn: ${fetchStreamARN(
startingPosition: LATEST
enabled: true // Any other parameters can be added as provided by serverless
serverless deploy
The plugin will automatically be called on command
`
Note:
1. Depending on your Iam Role, you might also be required to add this in your serverless config
`
- Effect: Allow
Action:
- "dynamodb:ListStreams"
Resource: '*'
Resource property can be more specific for example
arn:aws:dynamodb:${self:provider.region}::table//stream/*
serverless -> provider -> region
2. Passing region where the table exists is important,
1. The plugin automatically takes the value of region from
--region
2. Can also be passed as region in command line
arn: ${fetchStreamARN(
3. Add region by passing it as the second parameter to the fetchStreamArn Function