VMSS_LogAnalyticsAgent_AINE.json

{
  "properties": {
    "displayName": "The Log Analytics extension should be installed on Virtual Machine Scale Sets",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "This policy audits any Windows/Linux Virtual Machine Scale Sets if the Log Analytics extension is not installed.",
    "metadata": {
      "version": "1.0.1",
      "category": "Monitoring"
    },
    "version": "1.0.1",
    "parameters": {
      "effect": {
        "type": "string",
        "defaultValue": "AuditIfNotExists",
        "allowedValues": [
          "AuditIfNotExists",
          "Disabled"
        ],
        "metadata": {
          "displayName": "Effect",
          "description": "Enable or disable the execution of the policy"
        }
      }
    },
    "policyRule": {
      "if": {
        "field": "type",
        "equals": "Microsoft.Compute/virtualMachineScaleSets"
      },
      "then": {
        "effect": "[parameters('effect')]",
        "details": {
          "type": "Microsoft.Compute/virtualMachineScaleSets/extensions",
          "existenceCondition": {
            "allOf": [
              {
                "field": "Microsoft.Compute/virtualMachineScaleSets/extensions/publisher",
                "equals": "Microsoft.EnterpriseCloud.Monitoring"
              },
              {
                "field": "Microsoft.Compute/virtualMachineScaleSets/extensions/type",
                "in": [
                  "MicrosoftMonitoringAgent",
                  "OmsAgentForLinux"
                ]
              },
              {
                "field": "Microsoft.Compute/virtualMachineScaleSets/extensions/provisioningState",
                "equals": "Succeeded"
              },
              {
                "field": "Microsoft.Compute/virtualMachineScaleSets/extensions/settings.workspaceId",
                "exists": "true"
              }
            ]
          }
        }
      }
    },
    "versions": [
      "1.0.1"
    ]
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/efbde977-ba53-4479-b8e9-10b957924fbf",
  "name": "efbde977-ba53-4479-b8e9-10b957924fbf"
}