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deploy-vnetg_egress_alert.json
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deploy-vnetg_egress_alert.json
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{
"$schema": "https://schema.management.azure.com/schemas/2019-08-01/managementGroupDeploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"metadata": {
"_generator": {
"name": "bicep",
"version": "0.20.4.51522",
"templateHash": "14274655661664322577"
}
},
"parameters": {
"policyLocation": {
"type": "string",
"defaultValue": "centralus"
},
"deploymentRoleDefinitionIds": {
"type": "array",
"defaultValue": [
"/providers/Microsoft.Authorization/roleDefinitions/b24988ac-6180-42a0-ab88-20f7382dd24c"
]
},
"parAlertSeverity": {
"type": "string",
"defaultValue": "0",
"allowedValues": [
"0",
"1",
"2",
"3",
"4"
]
},
"parWindowSize": {
"type": "string",
"defaultValue": "PT5M",
"allowedValues": [
"PT1M",
"PT5M",
"PT15M",
"PT30M",
"PT1H",
"PT6H",
"PT12H",
"P1D"
]
},
"parEvaluationFrequency": {
"type": "string",
"defaultValue": "PT5M",
"allowedValues": [
"PT1M",
"PT5M",
"PT15M",
"PT30M",
"PT1H"
]
},
"parPolicyEffect": {
"type": "string",
"defaultValue": "disabled",
"allowedValues": [
"deployIfNotExists",
"disabled"
]
},
"parAutoMitigate": {
"type": "string",
"defaultValue": "true"
},
"parAlertState": {
"type": "string",
"defaultValue": "true"
},
"parThreshold": {
"type": "string",
"defaultValue": "1"
},
"parMonitorDisable": {
"type": "string",
"defaultValue": "MonitorDisable"
}
},
"resources": [
{
"type": "Microsoft.Resources/deployments",
"apiVersion": "2022-09-01",
"name": "[format('{0}-vnetgteba-policyDefinitions', uniqueString(deployment().name))]",
"location": "[deployment().location]",
"properties": {
"expressionEvaluationOptions": {
"scope": "inner"
},
"mode": "Incremental",
"parameters": {
"name": {
"value": "Deploy_VnetGw_TunnelEgress_Alert"
},
"displayName": {
"value": "Deploy VNetG Tunnel Egress Alert"
},
"description": {
"value": "Policy to audit/deploy Virtual Network Gateway Tunnel Egress Alert"
},
"location": {
"value": "[parameters('policyLocation')]"
},
"metadata": {
"value": {
"version": "1.0.1",
"category": "Network",
"source": "https://github.com/Azure/Enterprise-Scale/",
"alzCloudEnvironments": [
"AzureCloud"
],
"_deployed_by_alz_monitor": "True"
}
},
"parameters": {
"value": {
"severity": {
"type": "String",
"metadata": {
"displayName": "Severity",
"description": "Severity of the Alert"
},
"allowedValues": [
"0",
"1",
"2",
"3",
"4"
],
"defaultValue": "[parameters('parAlertSeverity')]"
},
"windowSize": {
"type": "String",
"metadata": {
"displayName": "Window Size",
"description": "Window size for the alert"
},
"allowedValues": [
"PT1M",
"PT5M",
"PT15M",
"PT30M",
"PT1H",
"PT6H",
"PT12H",
"P1D"
],
"defaultValue": "[parameters('parWindowSize')]"
},
"evaluationFrequency": {
"type": "String",
"metadata": {
"displayName": "Evaluation Frequency",
"description": "Evaluation frequency for the alert"
},
"allowedValues": [
"PT1M",
"PT5M",
"PT15M",
"PT30M",
"PT1H"
],
"defaultValue": "[parameters('parEvaluationFrequency')]"
},
"autoMitigate": {
"type": "String",
"metadata": {
"displayName": "Auto Mitigate",
"description": "Auto Mitigate for the alert"
},
"allowedValues": [
"true",
"false"
],
"defaultValue": "[parameters('parAutoMitigate')]"
},
"enabled": {
"type": "String",
"metadata": {
"displayName": "Alert State",
"description": "Alert state for the alert"
},
"allowedValues": [
"true",
"false"
],
"defaultValue": "[parameters('parAlertState')]"
},
"threshold": {
"type": "String",
"metadata": {
"displayName": "Threshold",
"description": "Threshold for the alert"
},
"defaultValue": "[parameters('parThreshold')]"
},
"effect": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "Effect of the policy"
},
"allowedValues": [
"deployIfNotExists",
"disabled"
],
"defaultValue": "[parameters('parPolicyEffect')]"
},
"MonitorDisable": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "Tag name to disable monitoring resource. Set to true if monitoring should be disabled"
},
"defaultValue": "[parameters('parMonitorDisable')]"
}
}
},
"policyRule": {
"value": {
"if": {
"allOf": [
{
"field": "type",
"equals": "Microsoft.Network/virtualNetworkGateways"
},
{
"field": "Microsoft.Network/virtualNetworkGateways/gatewayType",
"equals": "VPN"
},
{
"field": "[[concat('tags[', parameters('MonitorDisable'), ']')]",
"notEquals": "true"
}
]
},
"then": {
"effect": "[[parameters('effect')]",
"details": {
"roleDefinitionIds": "[parameters('deploymentRoleDefinitionIds')]",
"type": "Microsoft.Insights/metricAlerts",
"existenceCondition": {
"allOf": [
{
"field": "Microsoft.Insights/metricAlerts/criteria.Microsoft-Azure-Monitor-SingleResourceMultipleMetricCriteria.allOf[*].metricNamespace",
"equals": "Microsoft.Network/virtualNetworkGateways"
},
{
"field": "Microsoft.Insights/metricAlerts/criteria.Microsoft-Azure-Monitor-SingleResourceMultipleMetricCriteria.allOf[*].metricName",
"equals": "TunnelEgressBytes"
},
{
"field": "Microsoft.Insights/metricalerts/scopes[*]",
"equals": "[[concat(subscription().id, '/resourceGroups/', resourceGroup().name, '/providers/Microsoft.Network/virtualNetworkGateways/', field('fullName'))]"
},
{
"field": "Microsoft.Insights/metricAlerts/enabled",
"equals": "[[parameters('enabled')]"
}
]
},
"deployment": {
"properties": {
"mode": "incremental",
"template": {
"$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"resourceName": {
"type": "String",
"metadata": {
"displayName": "resourceName",
"description": "Name of the resource"
}
},
"resourceId": {
"type": "String",
"metadata": {
"displayName": "resourceId",
"description": "Resource ID of the resource emitting the metric that will be used for the comparison"
}
},
"severity": {
"type": "String"
},
"windowSize": {
"type": "String"
},
"evaluationFrequency": {
"type": "String"
},
"autoMitigate": {
"type": "String"
},
"enabled": {
"type": "String"
},
"threshold": {
"type": "String"
}
},
"variables": {},
"resources": [
{
"type": "Microsoft.Insights/metricAlerts",
"apiVersion": "2018-03-01",
"name": "[[concat(parameters('resourceName'), '-TunnelEgressAlert')]",
"location": "global",
"tags": {
"_deployed_by_alz_monitor": true
},
"properties": {
"description": "Metric Alert for VNet Gateway Tunnel Egress Bytes",
"severity": "[[parameters('severity')]",
"enabled": "[[parameters('enabled')]",
"scopes": [
"[[parameters('resourceId')]"
],
"evaluationFrequency": "[[parameters('evaluationFrequency')]",
"windowSize": "[[parameters('windowSize')]",
"criteria": {
"allOf": [
{
"name": "TunnelEgressBytes",
"metricNamespace": "Microsoft.Network/virtualNetworkGateways",
"metricName": "TunnelEgressBytes",
"operator": "LessThan",
"threshold": "[[parameters('threshold')]",
"timeAggregation": "Average",
"criterionType": "StaticThresholdCriterion"
}
],
"odata.type": "Microsoft.Azure.Monitor.SingleResourceMultipleMetricCriteria"
},
"autoMitigate": "[[parameters('autoMitigate')]",
"parameters": {
"severity": {
"value": "[[parameters('severity')]"
},
"windowSize": {
"value": "[[parameters('windowSize')]"
},
"evaluationFrequency": {
"value": "[[parameters('evaluationFrequency')]"
},
"autoMitigate": {
"value": "[[parameters('autoMitigate')]"
},
"enabled": {
"value": "[[parameters('enabled')]"
},
"threshold": {
"value": "[[parameters('threshold')]"
}
}
}
}
]
},
"parameters": {
"resourceName": {
"value": "[[field('name')]"
},
"resourceId": {
"value": "[[field('id')]"
},
"severity": {
"value": "[[parameters('severity')]"
},
"windowSize": {
"value": "[[parameters('windowSize')]"
},
"evaluationFrequency": {
"value": "[[parameters('evaluationFrequency')]"
},
"autoMitigate": {
"value": "[[parameters('autoMitigate')]"
},
"enabled": {
"value": "[[parameters('enabled')]"
},
"threshold": {
"value": "[[parameters('threshold')]"
}
}
}
}
}
}
}
}
},
"template": {
"$schema": "https://schema.management.azure.com/schemas/2019-08-01/managementGroupDeploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"metadata": {
"_generator": {
"name": "bicep",
"version": "0.20.4.51522",
"templateHash": "5571108664737448614"
}
},
"parameters": {
"name": {
"type": "string",
"maxLength": 64,
"metadata": {
"description": "Required. Specifies the name of the policy definition. Maximum length is 64 characters."
}
},
"displayName": {
"type": "string",
"defaultValue": "",
"maxLength": 128,
"metadata": {
"description": "Optional. The display name of the policy definition. Maximum length is 128 characters."
}
},
"description": {
"type": "string",
"defaultValue": "",
"metadata": {
"description": "Optional. The policy definition description."
}
},
"mode": {
"type": "string",
"defaultValue": "All",
"allowedValues": [
"All",
"Indexed",
"Microsoft.KeyVault.Data",
"Microsoft.ContainerService.Data",
"Microsoft.Kubernetes.Data"
],
"metadata": {
"description": "Optional. The policy definition mode. Default is All, Some examples are All, Indexed, Microsoft.KeyVault.Data."
}
},
"metadata": {
"type": "object",
"defaultValue": {},
"metadata": {
"description": "Optional. The policy Definition metadata. Metadata is an open ended object and is typically a collection of key-value pairs."
}
},
"parameters": {
"type": "object",
"defaultValue": {},
"metadata": {
"description": "Optional. The policy definition parameters that can be used in policy definition references."
}
},
"policyRule": {
"type": "object",
"metadata": {
"description": "Required. The Policy Rule details for the Policy Definition."
}
},
"managementGroupId": {
"type": "string",
"defaultValue": "[managementGroup().name]",
"metadata": {
"description": "Optional. The group ID of the Management Group. If not provided, will use the current scope for deployment."
}
},
"location": {
"type": "string",
"defaultValue": "[deployment().location]",
"metadata": {
"description": "Optional. Location deployment metadata."
}
},
"enableDefaultTelemetry": {
"type": "bool",
"defaultValue": false,
"metadata": {
"description": "Optional. Enable telemetry via the Customer Usage Attribution ID (GUID)."
}
}
},
"resources": [
{
"condition": "[parameters('enableDefaultTelemetry')]",
"type": "Microsoft.Resources/deployments",
"apiVersion": "2021-04-01",
"name": "[format('pid-47ed15a6-730a-4827-bcb4-0fd963ffbd82-{0}', uniqueString(deployment().name, parameters('location')))]",
"location": "[parameters('location')]",
"properties": {
"mode": "Incremental",
"template": {
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"resources": []
}
}
},
{
"type": "Microsoft.Authorization/policyDefinitions",
"apiVersion": "2021-06-01",
"name": "[parameters('name')]",
"properties": {
"policyType": "Custom",
"mode": "[parameters('mode')]",
"displayName": "[if(not(empty(parameters('displayName'))), parameters('displayName'), null())]",
"description": "[if(not(empty(parameters('description'))), parameters('description'), null())]",
"metadata": "[if(not(empty(parameters('metadata'))), parameters('metadata'), null())]",
"parameters": "[if(not(empty(parameters('parameters'))), parameters('parameters'), null())]",
"policyRule": "[parameters('policyRule')]"
}
}
],
"outputs": {
"name": {
"type": "string",
"metadata": {
"description": "Policy Definition Name."
},
"value": "[parameters('name')]"
},
"resourceId": {
"type": "string",
"metadata": {
"description": "Policy Definition resource ID."
},
"value": "[extensionResourceId(tenantResourceId('Microsoft.Management/managementGroups', parameters('managementGroupId')), 'Microsoft.Authorization/policyDefinitions', parameters('name'))]"
},
"roleDefinitionIds": {
"type": "array",
"metadata": {
"description": "Policy Definition Role Definition IDs."
},
"value": "[if(contains(reference(extensionResourceId(managementGroup().id, 'Microsoft.Authorization/policyDefinitions', parameters('name')), '2021-06-01').policyRule.then, 'details'), if(contains(reference(extensionResourceId(managementGroup().id, 'Microsoft.Authorization/policyDefinitions', parameters('name')), '2021-06-01').policyRule.then.details, 'roleDefinitionIds'), reference(extensionResourceId(managementGroup().id, 'Microsoft.Authorization/policyDefinitions', parameters('name')), '2021-06-01').policyRule.then.details.roleDefinitionIds, createArray()), createArray())]"
}
}
}
}
}
]
}