JavaScript/Typescript library for making AWS Lambda to Lambda calls via openapi-client-axios .
- Easy to make API like calls via openapi-client-axios library.
client.api.registerRunner(getLambdaRunner('target-lambda-name'))- Use your API clients from OpenAPI v3 definitions to make AWS Lambda to Lambda calls between your platform microservices.
client.getPet(1)client.searchPets()client.searchPets({ ids: [1, 2, 3] })client.updatePet(1, payload)
- No need to run your requests via Api Gateway, you can directly run microservice to microservice call, i.e. AWS Lambda to Lambda, by leveraging AWS backbone infrastructure.
- Leverage AWS IAM for permission management. Eg:
Resources:
MyLambda:
Type: AWS::Serverless::Function
Properties:
...
Policies:
- LambdaInvokePolicy:
FunctionName: target-lambda-name- To run in AWS Lambda with Nodejs Runtime Environment >= 12
npm install --save openapi-client-axios openapi-lambda-adapter
Setup for single lambda handling all API Gateway requests
import OpenAPIClientAxios from 'openapi-client-axios';
import { getLambdaRunner } from 'openapi-lambda-adapter';
const api = new OpenAPIClientAxios({ definition: 'https://example.com/api/openapi.json' });
const client = api.initSync();
client.api.registerRunner(getLambdaRunner('target-lambda-name'));
const res = await client.createPet(null, { name: 'Garfield' });
console.log('Pet created', res.data);Setup for multiple lambdas, each lambda handling one API Gateway resource
import OpenAPIClientAxios from 'openapi-client-axios';
import { getLambdaRunner } from 'openapi-lambda-adapter';
const api = new OpenAPIClientAxios({ definition: 'https://example.com/api/openapi.json' });
const client = api.initSync();
client.api.getOperations().forEach((operation) => {
const lambdaName = ... get lambda-name for operationId
client.api.registerRunner(getLambdaRunner(lambdaName), operation.operationId)
})
const res = await client.createPet(null, { name: 'Garfield' });
console.log('Pet created', res.data);
const resp = await client.getPet({ id: 1 }, null);
console.log('Pet retrieved', resp.data);
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