{
  "properties": {
    "displayName": "Deploy Diagnostic Settings for Key Vault to Event Hub",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "Deploys the diagnostic settings for Key Vault to stream to a regional Event Hub when any Key Vault which is missing this diagnostic settings is created or updated.",
    "metadata": {
      "version": "2.0.0",
      "category": "Key Vault"
    },
    "parameters": {
      "profileName": {
        "type": "String",
        "defaultValue": "setbypolicy",
        "metadata": {
          "displayName": "Profile name",
          "description": "The diagnostic settings profile name"
        }
      },
      "eventHubRuleId": {
        "type": "String",
        "metadata": {
          "displayName": "Event Hub Authorization Rule Id",
          "description": "The Event Hub authorization rule Id for Azure Diagnostics. The authorization rule needs to be at Event Hub namespace level. e.g. /subscriptions/{subscription Id}/resourceGroups/{resource group}/providers/Microsoft.EventHub/namespaces/{Event Hub namespace}/authorizationrules/{authorization rule}",
          "strongType": "Microsoft.EventHub/Namespaces/AuthorizationRules",
          "assignPermissions": true
        }
      },
      "eventHubLocation": {
        "type": "String",
        "metadata": {
          "displayName": "Event Hub Location",
          "description": "The location the Event Hub resides in. Only Key Vaults in this location will be linked to this Event Hub.",
          "strongType": "location"
        },
        "defaultValue": ""
      },
      "metricsEnabled": {
        "type": "String",
        "metadata": {
          "displayName": "Enable metrics",
          "description": "Whether to enable metrics stream to the Event Hub - True or False"
        },
        "allowedValues": [
          "True",
          "False"
        ],
        "defaultValue": "False"
      },
      "logsEnabled": {
        "type": "String",
        "metadata": {
          "displayName": "Enable logs",
          "description": "Whether to enable logs stream to the Event Hub  - True or False"
        },
        "allowedValues": [
          "True",
          "False"
        ],
        "defaultValue": "True"
      }
    },
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.KeyVault/vaults"
          },
          {
            "anyOf": [
              {
                "value": "[parameters('eventHubLocation')]",
                "equals": ""
              },
              {
                "field": "location",
                "equals": "[parameters('eventHubLocation')]"
              }
            ]
          }
        ]
      },
      "then": {
        "effect": "deployIfNotExists",
        "details": {
          "type": "Microsoft.Insights/diagnosticSettings",
          "name": "[parameters('profileName')]",
          "existenceCondition": {
            "allOf": [
              {
                "field": "Microsoft.Insights/diagnosticSettings/logs.enabled",
                "equals": "[parameters('logsEnabled')]"
              },
              {
                "field": "Microsoft.Insights/diagnosticSettings/metrics.enabled",
                "equals": "[parameters('metricsEnabled')]"
              }
            ]
          },
          "roleDefinitionIds": [
            "/providers/microsoft.authorization/roleDefinitions/b24988ac-6180-42a0-ab88-20f7382dd24c"
          ],
          "deployment": {
            "properties": {
              "mode": "incremental",
              "template": {
                "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
                "contentVersion": "1.0.0.0",
                "parameters": {
                  "vaultName": {
                    "type": "string"
                  },
                  "location": {
                    "type": "string"
                  },
                  "eventHubRuleId": {
                    "type": "string"
                  },
                  "metricsEnabled": {
                    "type": "string"
                  },
                  "logsEnabled": {
                    "type": "string"
                  },
                  "profileName": {
                    "type": "string"
                  }
                },
                "resources": [
                  {
                    "type": "Microsoft.KeyVault/vaults/providers/diagnosticSettings",
                    "apiVersion": "2017-05-01-preview",
                    "name": "[concat(parameters('vaultName'), '/', 'Microsoft.Insights/', parameters('profileName'))]",
                    "location": "[parameters('location')]",
                    "dependsOn": [],
                    "properties": {
                      "eventHubAuthorizationRuleId": "[parameters('eventHubRuleId')]",
                      "metrics": [
                        {
                          "category": "AllMetrics",
                          "enabled": "[parameters('metricsEnabled')]",
                          "retentionPolicy": {
                            "enabled": false,
                            "days": 0
                          }
                        }
                      ],
                      "logs": [
                        {
                          "category": "AuditEvent",
                          "enabled": "[parameters('logsEnabled')]"
                        }
                      ]
                    }
                  }
                ],
                "outputs": {
                  "policy": {
                    "type": "string",
                    "value": "[concat('Enabled diagnostic settings for ', parameters('vaultName'))]"
                  }
                }
              },
              "parameters": {
                "location": {
                  "value": "[field('location')]"
                },
                "vaultName": {
                  "value": "[field('name')]"
                },
                "eventHubRuleId": {
                  "value": "[parameters('eventHubRuleId')]"
                },
                "metricsEnabled": {
                  "value": "[parameters('metricsEnabled')]"
                },
                "logsEnabled": {
                  "value": "[parameters('logsEnabled')]"
                },
                "profileName": {
                  "value": "[parameters('profileName')]"
                }
              }
            }
          }
        }
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/ed7c8c13-51e7-49d1-8a43-8490431a0da2",
  "name": "ed7c8c13-51e7-49d1-8a43-8490431a0da2"
}