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Monitor Certificate Expiration Status

AP.F5.LTM.Monitor.Certificate.Expiration.Status (UnitMonitor)

Monitors Certificate Expiration

Knowledge Base article:

Summary

Monitors F5 Certificate Expiration, simply uses the Expiration Days value that is collected during Discovery, so make sure Discovery is run at least once a day!

Thresholds

Element properties:

TargetAP.F5.LTM.Certificate
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeAP.F5.LTM.DataSource.Monitor.CertificateExpiration
RemotableTrue
AccessibilityPublic
Alert Message
F5 Certificate Expiration Alert
Certificate {0} on {1}, will expire in {2} Days!

Values;
Certificate Name : {0},
Sync-FailoverGroup : {1},
Expiration Days : {2} (If this is a negative Number then Certificate has already expired)
RunAsDefault

Source Code:

<UnitMonitor ID="AP.F5.LTM.Monitor.Certificate.Expiration.Status" Accessibility="Public" Enabled="true" Target="AP.F5.LTM.Certificate" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="AP.F5.LTM.DataSource.Monitor.CertificateExpiration" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="AP.F5.LTM.Monitor.Certificate.Expiration.Status.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="AP.F5.LTM.Certificate"]/Name$</AlertParameter1>

      <AlertParameter2>$Target/Host/Host/Property[Type="AP.F5.LTM.SyncFailoverGroup"]/Name$</AlertParameter2>

      <AlertParameter3>$Target/Property[Type="AP.F5.LTM.Certificate"]/ExpirationDays$</AlertParameter3>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="ExpirationCritical" MonitorTypeStateID="ExpirationCritical" HealthState="Error"/>

    <OperationalState ID="ExpirationOkay" MonitorTypeStateID="ExpirationOkay" HealthState="Success"/>

    <OperationalState ID="ExpirationWarning" MonitorTypeStateID="ExpirationWarning" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>3600</IntervalSeconds>

    <SyncTime/>

    <OkayThreshold>90</OkayThreshold>

    <CriticalThreshold>30</CriticalThreshold>

  </Configuration>

</UnitMonitor>