1. Isolating workloads with dedicated AKS node pools per application

    TypeScript

    To isolate workloads with dedicated Azure Kubernetes Service (AKS) node pools per application, we'll use the azure-native.containerservice.AgentPool resource from the Pulumi Azure Native provider. This resource allows you to create and manage individual node pools within an AKS cluster. By assigning each application its dedicated node pool, you can ensure that the resources are segregated and can scale independently based on their requirements.

    Here's a step-by-step guide and a Pulumi program in TypeScript for creating a dedicated AKS node pool for an application:

    • Step 1: Import the necessary Pulumi and Azure Native modules.
    • Step 2: Create an instance of AKS cluster if you don't have one. In a real-world scenario, you should already have an AKS cluster running.
    • Step 3: Define node pool configuration for your application, including settings like the VM size, the number of nodes, and any specific Kubernetes labels or taints that help with scheduling.
    • Step 4: Instantiate an AgentPool resource for each application, referring to the AKS cluster created in Step 2.
    • Step 5: Export relevant information that you might need to access after deployment, such as the node pool ID.

    Example Pulumi TypeScript Program

    import * as pulumi from "@pulumi/pulumi"; import * as containerservice from "@pulumi/azure-native/containerservice"; import * as resources from "@pulumi/azure-native/resources"; // Step 1: Create a new resource group if needed const resourceGroupName = "aksResourceGroup"; const resourceGroup = new resources.ResourceGroup(resourceGroupName); // Step 2: Define the AKS cluster settings (assuming you create a new cluster) const aksCluster = new containerservice.ManagedCluster("myAKSCluster", { resourceGroupName: resourceGroup.name, identity: { type: "SystemAssigned", }, // Define other necessary properties according to your requirements }); // Step 3: Define the node pool configuration for 'Application A' const appANodePoolConfig = { vmSize: "Standard_D2_v2", // Choose an appropriate VM size count: 3, // Start with 3 nodes // Define other settings such as OS type, Kubernetes version, etc. }; // Step 4: Create a dedicated node pool for 'Application A' within the AKS cluster const appANodePool = new containerservice.AgentPool("appANodePool", { resourceGroupName: resourceGroup.name, clusterName: aksCluster.name, // Apply the node pool configuration from Step 3 ...appANodePoolConfig, // Add any application-specific labels or taints if necessary }); // Optional: Repeat Step 3 and 4 for each application requiring a dedicated node pool // Step 5: Export the ID of the node pool for 'Application A' export const appANodePoolId = appANodePool.id;

    This program defines a dedicated node pool for an application deployed on AKS, providing isolation and ensuring that the application's workload does not interfere with other workloads in the Kubernetes cluster. Adjust the appANodePoolConfig with the actual settings you need, such as the VM size, the number of nodes, and Kubernetes settings.

    You would repeat the configuration and instantiation steps for each application that requires a dedicated node pool, ensuring each has its settings to match its workload requirements.

    Remember to set up your Pulumi and Azure credentials before running this program. The code can be executed with the Pulumi CLI by running pulumi up, which will provision the resources as defined.

    For more information on the resources being used, you can refer to the documentation:


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