- EPHEMERAL ARCHITECTURE UPGRADE
- EPHEMERAL ARCHITECTURE PLUS
A Log Analytics workspace to collect the diagnostics logs and metrics from:Įphemeral OS disks are created on the local virtual machine (VM) storage and not saved to the remote Azure Storage, as when using managed OS disks. A jump-box virtual machine to manage the private AKS cluster. A Virtual Network Link between the virtual network hosting the cluster and the Private DNS Zone to let the cluster to use the CNAME and A records defined by the Private DNS Zone for the name resolution of the API server of the cluster. A Private DNS Zone for the name resolution of the private endpoint to Key Vault. 
A Private DNS Zone for the name resolution of the private endpoint to Azure Container Registry (ACR). A Private DNS Zone for the name resolution of the private endpoint to the Blob Storage Account. For more information, see Connect privately to an Azure container registry using Azure Private Link. When the ACR sku is equal to Premium, a Private Endpoint is created to allow the private AKS cluster to access ACR via a private IP address. A private endpoint to to Azure Container Registry (ACR). A private endpoint to the Blob Storage Account used to store the boot diagnostics logs or the virtual machine and the files used by the sample ASP.NET frontend and backend applications for ASP.NET Data Protection. An Azure Key Vault used by the sample running on AKS to retrieve application settings stored in Key Vault as secrets. An Azure Container Registry (ACR) to build, store, and manage container images and artifacts in a private registry for all types of container deployments. An Azure Bastion resource that provides secure and seamless SSH connectivity to the jump-box virtual machine directly in the Azure portal over SSL. The cluster can communicate with the API server exposed via a Private Link Service using a private endpoint. A private endpoint to the API server hosted by an AKS-managed Azure subscription. A user-defined managed identity used by the AKS cluster to create additional resources like load balancers and managed disks in Azure. VmSubnet: a subnet for the jump-box virtual machine used to connect to the private AKS cluster and for the private endpoints. AzureBastionSubnet: a subnet for Azure Bastion. You can change the ARM template or network.bicep Bicep module to use a separate subnet for the two node pools. The VMSS of both the system and user node pools will be created in this subnet. AksSubnet: this subnet is used for the AKS cluster worker nodes. A new virtual network with four subnets:. 
User node pool hosting user workloads and artifacts. 
The worker nodes have node taint which prevents application pods from beings scheduled on this node pool. System node pool hosting only critical system pods and services.For more information, see private AKS cluster with a Public DNS address.īoth the Bicep and ARM template deploy the following Azure resources: In a production environment, we strongly recommend to deploy a private AKS cluster with Uptime SLA. Both templates provide the ability to deploy a public or a private AKS cluster. This sample provides both a Bicep and ARM template to deploy the following infrastructure on Azure. For more information, see the article Everything you wanted to know on Ephemeral OS disks and AKS. This repository contains Bicep modules to deploy and test the combinations described in the remainder of the article.
EPHEMERAL ARCHITECTURE UPGRADE
You will also get faster cluster operations like scale or upgrade thanks to faster re-imaging and boot times. With ephemeral OS disks, you see lower read/write latency on the OS disk of AKS agent nodes since the disk is locally attached.
EPHEMERAL ARCHITECTURE PLUS
This article plus sample analyzes the available configuration settings for the ephemeral OS disk in Azure Kubernetes Service (AKS).
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