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Metric alert rule with a dynamic threshold

hutzleo 提供
上次更新日期: 2020/12/1

This template creates a metric alert rule that monitors the CPU Percentage metric of a virtual machine using a dynamic threshold condition type.

此 Azure Resource Manager (ARM) 範本是由社群成員 (而非 Microsoft) 建立。每個 ARM 範本都是由其擁有者 (而非 Microsoft) 依據授權合約授權給您。Microsoft 並不負責社群成員所提供和授權的 ARM 範本,而不會為了安全性、相容性或效能進行篩選。社群 ARM 範本並未依據任何 Microsoft 支援方案或服務提供支援,而且會在沒有任何擔保的情況下依現況提供。

參數

參數名稱 說明
alertName Name of the alert
alertDescription Description of alert
alertSeverity Severity of alert {0,1,2,3,4}
isEnabled Specifies whether the alert is enabled
resourceId Full Resource ID of the resource emitting the metric that will be used for the comparison. For example /subscriptions/00000000-0000-0000-0000-0000-00000000/resourceGroups/ResourceGroupName/providers/Microsoft.compute/virtualMachines/VM_xyz
metricName Name of the metric used in the comparison to activate the alert.
operator Operator comparing the current value with the threshold value.
alertSensitivity Tunes how 'noisy' the Dynamic Thresholds alerts will be: 'High' will result in more alerts while 'Low' will result in fewer alerts.
numberOfEvaluationPeriods The number of periods to check in the alert evaluation.
minFailingPeriodsToAlert The number of unhealthy periods to alert on (must be lower or equal to numberOfEvaluationPeriods).
ignoreDataBefore Use this option to set the date from which to start learning the metric historical data and calculate the dynamic thresholds (in ISO8601 format, e.g. '2019-12-31T22:00:00Z').
timeAggregation How the data that is collected should be combined over time.
windowSize Period of time used to monitor alert activity based on the threshold. Must be between five minutes and one hour. ISO 8601 duration format.
evaluationFrequency how often the metric alert is evaluated represented in ISO 8601 duration format

使用範本

PowerShell

New-AzResourceGroup -Name <resource-group-name> -Location <resource-group-location> #use this command when you need to create a new resource group for your deployment
New-AzResourceGroupDeployment -ResourceGroupName <resource-group-name> -TemplateUri https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/101-monitoring-dynamic-metric-alert/azuredeploy.json
安裝和設定 Azure PowerShell

命令列

az group create --name <resource-group-name> --location <resource-group-location> #use this command when you need to create a new resource group for your deployment
az group deployment create --resource-group <my-resource-group> --template-uri https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/101-monitoring-dynamic-metric-alert/azuredeploy.json
安裝和設定 Azure 跨平台命令列介面