VirtualServer Availability State

AP.F5.LTM.Monitor.VirtualServer.AvailabilityState (UnitMonitor)

Monitors VirtualServer Availability State via SNMP and Powershell

Knowledge Base article:

Summary

Monitors F5 VirtualServer Availability State, Uses a Powershell Script and SNMP to collect all VirtualServer Availability States for a SyncFailoverGroup, Supports Cookdown!

Thresholds

Healthy : VirtualServer is Available (State 1)
Warning : Unknown or Temporarily unavailable (State 2 or 4)
Critical : Error, Unavailable or Unlicenced (State 0, 3 or 5)

SNMP Information

SNMP OIDs Used;

.1.3.6.1.4.1.3375.2.2.10.13.2.1.1 - bigipTrafficMgmt.bigipLocalTM.ltmVirtualServers.ltmVirtualServStatus.ltmVsStatusTable.ltmVsStatusEntry.ltmVsStatusName
.1.3.6.1.4.1.3375.2.2.10.13.2.1.2 - bigipTrafficMgmt.bigipLocalTM.ltmVirtualServers.ltmVirtualServStatus.ltmVsStatusTable.ltmVsStatusEntry.ltmVsStatusAvailState

Element properties:

Target

AP.F5.LTM.VirtualServer

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

AP.F5.LTM.Monitor.VirtualServerAvailabilityState.Powershell

Remotable

True

Accessibility

Public

Alert Message

F5 Virtual Server Availability State Change Alert

Virtual Server Name : {0},
Sync-Failover Group : {1}

Has changed Availability State to {2} (0=Error, 1=Available, 2=Not Currently Available, 3=Not AVailable, 4=Unknown, 5=Unlicenced)

Given Reason is : {3}

RunAs

Default

Source Code:

<UnitMonitor ID="AP.F5.LTM.Monitor.VirtualServer.AvailabilityState" Accessibility="Public" Enabled="true" Target="AP.F5.LTM.VirtualServer" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="AP.F5.LTM.Monitor.VirtualServerAvailabilityState.Powershell" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="AP.F5.LTM.Monitor.VirtualServer.AvailabilityState.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

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

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

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

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

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

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

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

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

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>600</IntervalSeconds>

    <SyncTime>00:01</SyncTime>

    <Debug>false</Debug>

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

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

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

    <VirtualServerName>$Target/Property[Type="AP.F5.LTM.VirtualServer"]/FullName$</VirtualServerName>

  </Configuration>

</UnitMonitor>