{
    "properties": {
        "policyType": "BuiltIn",
        "displayName": "Temp disks and cache for agent node pools in Azure Kubernetes Service clusters should be encrypted at host",
        "description": "To enhance data security, the data stored on the virtual machine (VM) host of your Azure Kubernetes Service nodes VMs should be encrypted at rest. This is a common requirement in many regulatory and industry compliance standards.",
        "metadata": {
            "version": "1.0.0",
            "category": "Kubernetes"
        },
        "mode": "Indexed",
        "parameters": {
            "effect": {
                "type": "String",
                "defaultValue": "Audit",
                "allowedValues": [
                    "Audit",
                    "Deny",
                    "Disabled"
                ],
                "metadata": {
                    "displayName": "Effect",
                    "description": "'Audit' allows a non-compliant resource to be created or updated, but flags it as non-compliant. 'Deny' blocks the non-compliant resource creation or update. 'Disabled' turns off the policy."
                }
            }
        },
        "policyRule": {
            "if": {
                "allOf": [
                    {
                        "field": "type",
                        "equals": "Microsoft.ContainerService/managedClusters"
                    },
                    {
                        "count": {
                            "field": "Microsoft.ContainerService/managedClusters/agentPoolProfiles[*]",
                            "where": {
                                "anyOf": [
                                    {
                                        "field": "Microsoft.ContainerService/managedClusters/agentPoolProfiles[*].enableEncryptionAtHost",
                                        "exists": "False"
                                    },
                                    {
                                        "field": "Microsoft.ContainerService/managedClusters/agentPoolProfiles[*].enableEncryptionAtHost",
                                        "equals": ""
                                    },
                                    {
                                        "field": "Microsoft.ContainerService/managedClusters/agentPoolProfiles[*].enableEncryptionAtHost",
                                        "equals": "false"
                                    }
                                ]
                            }
                        },
                        "greater": 0
                    }
                ]
            },
            "then": {
                "effect": "[parameters('effect')]"
            }
        }
    },
    "id": "/providers/Microsoft.Authorization/policyDefinitions/41425d9f-d1a5-499a-9932-f8ed8453932c",
    "name": "41425d9f-d1a5-499a-9932-f8ed8453932c"
}