1. Securing AI Endpoints with Azure API Management Policies


    To secure AI endpoints with Azure API Management Policies, you'll need to create and configure an Azure API Management service instance, which acts as a proxy to your backend services. The policies allow you to define a set of rules that get applied on the incoming and outgoing API requests and can be used to validate JWT tokens, limit call rates, transform requests and responses, and more.

    In this program, we are using Pulumi to set up an Azure API Management service and define a policy that secures your AI endpoint. The policy could include a variety of security measures, but for this example, let's assume we want to validate JWT tokens to ensure that only authenticated clients can access the AI endpoint.

    Here's what each Pulumi resource does in our example:

    1. Service: Represents the Azure API Management service that manages our APIs.
    2. Api: A specific API we want to manage and secure.
    3. Policy: Defines the rules applied to our API. In this context, a policy to validate JWT tokens.

    Below is a detailed Pulumi program in Python that creates an Azure API Management service and secures an AI endpoint with a policy that checks for valid JWT tokens:

    import pulumi import pulumi_azure_native as azure_native # Configuring the Resource Group resource_group = azure_native.resources.ResourceGroup('resource_group') # Creating an API Management service instance api_management_service = azure_native.apimanagement.Service('api_management_service', resource_group_name=resource_group.name, publisher_name='your-publisher-name', publisher_email='your-email@example.com', # You can configure additional properties as needed ) # Define an API, which would be your AI endpoint api = azure_native.apimanagement.Api('api', resource_group_name=resource_group.name, service_name=api_management_service.name, path='ai-endpoint', # Other configurations for your API ) # Define a policy for the API to validate JWT tokens policy = azure_native.apimanagement.Policy('policy', resource_group_name=resource_group.name, service_name=api_management_service.name, api_id=api.id, # The actual policy content in XML format value=""" <policies> <inbound> <validate-jwt header-name="Authorization" failed-validation-httpcode="401" failed-validation-error-message="Unauthorized. Access token is missing or invalid."> <issuer-signing-keys> <key>your-issuer-signing-key</key> </issuer-signing-keys> <audiences> <audience>your-audience</audience> </audiences> <issuers> <issuer>your-issuer</issuer> </issuers> </validate-jwt> </inbound> <backend> <forward-request /> </backend> <outbound /> </policies> """, format='xml', # Policy content format # More configurations as required ) pulumi.export('api_management_service_name', api_management_service.name)

    Before running this program, ensure that you have set up your Pulumi and Azure configurations correctly. The policy in this example is a simple JWT validation—your own policies may vary based on your security requirements.

    You'll need to replace placeholders like 'your-publisher-name', 'your-email@example.com', 'your-issuer-signing-key', 'your-audience', and 'your-issuer' with your actual details.

    When creating a policy, you can add inbound rules (like header checking or IP filtering), outbound rules (like adding headers or modifying responses), or backend rules (like adding query parameters). In this example, we have an inbound rule that validates the JWT in the Authorization header.

    Please keep in mind this is a generic example and for a full setup you may need to handle other aspects like setting up the operations and diagnostics settings for the API Management service, and defining extra policies as per your specific needs.