AWS Lambda Custom Integration

Learn how to integrate an AWS Lambda Custom Integration with Apono

AWS Lambda enables you to build and connect cloud services and internal web apps by writing single-purpose functions that are attached to events emitted from your cloud infrastructure and services.

Its serverless architecture frees you to write, test, and deploy functions quickly without having to manage infrastructure setup.

With this integration, you can connect your internal applications to AWS Lambda functions and manage access to those applications with Apono.

Prerequisites

Before starting this integration, create the items listed in the following table.

Item

Description

Apono Connector

Lambda Function

Sample Lambda Function

function listResources(params) {
  return {
    resources: [
      {
        'id': 'resource1',
        'name': 'Resource 1',
        'type': params.resource_type,
        'metadata': {
          'key1': 'value1'
        }
      },
      {
        'id': 'resource2',
        'name': 'Resource 2',
        'type': params.resource_type,
        'metadata': {
          'key2': 'value2'
        }
      },
      {
        'id': 'resource3',
        'name': 'Resource 3',
        'type': params.resource_type,
        'metadata': {
          'key3': 'value3'
        }
      },
    ],
    permissions: [
      {
        'id': 'admin',
        'name': 'Admin'
      },
      {
        'id': 'reader',
        'name': 'Reader'
      }
    ]
  };
}

function grantAccess(params) {
  const username = params.username;
  const grantId = params.grant_id;
  const resources = params.resources;
  const permission = params.permission;
  
  const param1 = params.custom_parameters.param1
  const param2 = params.custom_parameters.param2

  console.log(param1)
  console.log(param2)
  
  return {
    status: 'ok'
  };
}

function revokeAccess(params) {
  const username = params.username;
  const grantId = params.grant_id;
  const resources = params.resources;
  const permission = params.permission;

  const param1 = params.custom_parameters.param1
  const param2 = params.custom_parameters.param2
  
  return {
    status: 'ok'
  };
}

function createCredentials(params) {
  const username = params.username;
  const grantId = params.grant_id;
  const resources = params.resources;
  
  const param1 = params.custom_parameters.param1
  const param2 = params.custom_parameters.param2
  
  return {
    status: 'ok'
  };
}

export const handler = async (event) => {
  const params = event.params;
  
  switch (event.event_type) {
    case 'create-credentials':
      return createCredentials(params);
    case 'list-resources':
      return listResources(params);
    case 'grant-access':
      return grantAccess(params);
    case 'revoke-access':
      return revokeAccess(params);
    case 'create-credentials':
      return {
        status: 'ok',
        secret: 'created-credentials-secret'
      }
    case 'reset-credentials':
      return {
        status: 'ok',
        secret: 'reset-credentials-secret'
      }
    default:
      return {
        status: 'active'
      };
  }
};

Integrate an AWS Lambda Custom Integration

You can also use the steps below to integrate with Apono using Terraform.

In step 8, instead of clicking Confirm, follow the Are you integrating with Apono using Terraform? guidance.

Follow these steps to complete the integration:

Under Discovery, click Next. The Apono connector section expands.
From the dropdown menu, select a connector.

Click Next. The Integration Config section expands.
Define the Integration Config settings.
Setting
Description
Integration Name
Unique, alphanumeric, user-friendly name used to identify this integration when constructing an access flow
Custom Parameters
Key-value pairs to send to the lambda function For example, you can provide a lambda function with a redirect URL that is used for internal provisioning access and passed as part of the action requests.
Region
Region of the AWS Lambda instance
Function Name
Named of the AWS Lambda function
Click Next. The Get more with Apono section expands.
Define the Get more with Apono settings.\
Setting
Description
Credential Rotation
User cleanup after access is revoked (in days)
(Optional) Defines the number of days after access has been revoked that the user should be deleted
Custom Access Details
(Optional) Instructions explaining how to access this integration's resources Upon accessing an integration, a message with these instructions will be displayed to end users in the User Portal. The message may include up to 400 characters. To view the message as it appears to end users, click Preview.
Integration Owner
From the Attribute dropdown menu, select User or Group under the relevant identity provider (IdP) platform.
From the Value dropdown menu, select one or multiple users or groups.
NOTE: When Resource Owner is defined, an Integration Owner must be defined.
Resource Owner
Enter a Key name. This value is the name of the tag created in your cloud environment.
From the Attribute dropdown menu, select an attribute under the IdP platform to which the key name is associated. Apono will use the value associated with the key (tag) to identify the resource owner. When you update the membership of the group or role in your IdP platform, this change is also reflected in Apono.
NOTE: When this setting is defined, an Integration Owner must also be defined.
Click Confirm.

💡Are you integrating with Apono using Terraform?

If you want to integrate with Apono using Terraform, follow these steps instead of clicking Confirm:

At the top of the screen, click View as Code. A modal appears with the completed Terraform configuration code.
Click to copy the code.
Make any additional edits.
Deploy the code in your Terraform.

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