Microsoft Azure Stack App Service Role Available Workers Rule

Microsoft.SystemCenter.AzureStack.AppsRole.AvailableWorkerCount.Rule (Rule)

Microsoft Azure Stack App Service Role Available Workers Rule.

Knowledge Base article:

Summary

The rule checks an available worker count property in the web worker roles. If the percent of available worker count is less than or equal to critical threshold the rule will raise a critical alert. If the percent of available worker count is less than or equal to warning threshold and more than critical threshold the rule will raise a warning alert.

Causes

The percent of available worker count is less than thresholds.

Resolutions

Check if App Service Web Worker Role Instances is available and working correctly.

Element properties:

Target	Microsoft.SystemCenter.AzureStack.Region
Category	Alert
Enabled	True
Alert Generate	True
Remotable	True

Member Modules:

ID	Module Type	TypeId	RunAs
DS	DataSource	Microsoft.SystemCenter.AzureStack.AppsRole.AvailableWorkerCount.DS	Default
Alert	WriteAction	System.Health.GenerateAlert	Default

Source Code:

<Rule ID="Microsoft.SystemCenter.AzureStack.AppsRole.AvailableWorkerCount.Rule" Enabled="true" Target="Microsoft.SystemCenter.AzureStack.Region" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>Alert</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Microsoft.SystemCenter.AzureStack.AppsRole.AvailableWorkerCount.DS">

      <DeploymentId>$Target/Host/Property[Type="Microsoft.SystemCenter.AzureStack.Deployment"]/EndpointUrl$</DeploymentId>

      <TimeoutSeconds>120</TimeoutSeconds>

      <IntervalSeconds>900</IntervalSeconds>

      <RegionId>$Target/Property[Type="Microsoft.SystemCenter.AzureStack.Region"]/RegionId$</RegionId>

      <RegionName>$Target/Property[Type="Microsoft.SystemCenter.AzureStack.Region"]/Name$</RegionName>

      <MonitorWebAppService>$Target/Host/Property[Type="Microsoft.SystemCenter.AzureStack.Deployment"]/MonitorWebAppService$</MonitorWebAppService>

      <WebAppServiceEndpointUrl>$Target/Host/Property[Type="Microsoft.SystemCenter.AzureStack.Deployment"]/WebAppServiceEndpointUrl$</WebAppServiceEndpointUrl>

      <WebAppServiceApiVersion>$Target/Host/Property[Type="Microsoft.SystemCenter.AzureStack.Deployment"]/WebAppServiceApiVersion$</WebAppServiceApiVersion>

      <OverrideWebAppServiceEndpointUrl>$Target/Host/Property[Type="Microsoft.SystemCenter.AzureStack.Deployment"]/OverrideWebAppServiceEndpointUrl$</OverrideWebAppServiceEndpointUrl>

      <WarningThreshold>30</WarningThreshold>

      <CriticalThreshold>19</CriticalThreshold>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="Alert" TypeID="Health!System.Health.GenerateAlert">

      <Priority>1</Priority>

      <Severity>$Data/Property[@Name='Severity']$</Severity>

      <AlertName/>

      <AlertDescription/>

      <AlertMessageId>$MPElement[Name='Microsoft.SystemCenter.AzureStack.AppsRole.AvailableWorkerCount.Rule.AlertMessage']$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/Property[@Name='Name']$</AlertParameter1>

        <AlertParameter2>$Target/Property[Type="Microsoft.SystemCenter.AzureStack.Region"]/Name$</AlertParameter2>

        <AlertParameter3>$Data/Property[@Name='AvailableWorkerCount']$</AlertParameter3>

        <AlertParameter4>$Data/Property[@Name='AvailableWorkerPercent']$</AlertParameter4>

        <AlertParameter5>$Data/Property[@Name='RegisteredWorkerCount']$</AlertParameter5>

      </AlertParameters>

      <Suppression>

        <SuppressionValue>$Data/Property[@Name='Id']$</SuppressionValue>

      </Suppression>

      <Custom1>WebWorkerAlert</Custom1>

      <Custom2>$Data/Property[@Name='Id']$</Custom2>

      <Custom3>$Data/Property[@Name='Name']$</Custom3>

    </WriteAction>

  </WriteActions>

</Rule>