Get alarms and change default values

My question is two really, I was just read the previous thread http://communities.vmware.com/thread/230786?tstart=0 and I was wondering how to get the list of existing alarms, after have stuck in the SDK for awhile, I thought I would ask experts.

I see how they relate to the CROWD, but can not put it in the code.

Also, is there a way to modify each alarm 5 by default that are created to add an action to send a snmp trap?

Thank you

Alan Renouf

http://Virtu-al.NET/

The first part of your question is easy.

The following script will display just the name of the alarm, but you can find all the properties in the object of the alarm ($t variable).


$serviceInstance = get-view ServiceInstance

$alarmMgr = get-view $serviceInstance.Content.alarmManager

$alarms = $alarmMgr.GetAlarm($null)
$alarms | %{
     $t = Get-View -Id $_
     Write-Host $t.Info.Name
}

For the 2nd part of the question, yes you can change the preset alarms (as you can from the VIC).

You'd use the ReconfigureAlarm method to do this.


$predefined = "Host connection state","Host CPU Usage","Host Memory Usage","Virtual Machine CPU Usage","Virtual Machine Memory Usage"

$serviceInstance = get-view ServiceInstance

$alarmMgr = get-view $serviceInstance.Content.alarmManager

$alarms = $alarmMgr.GetAlarm($null)
$alarms | % {
     $alarm = Get-View -Id $_
     if($predefined -contains $alarm.Info.Name){
          $spec = New-Object VMware.Vim.AlarmSpec
          $spec.Action = New-Object VMware.Vim.GroupAlarmAction
          $spec.action.action = @(New-Object VMware.Vim.AlarmTriggeringAction)
          $spec.Action.Action[0].action = New-Object VMware.Vim.SendSNMPAction
          $spec.Action.Action[0].Green2yellow = $true
          $spec.Action.Action[0].Red2yellow = $false
          $spec.Action.Action[0].Yellow2green = $false
          $spec.Action.Action[0].Yellow2red = $true
          $spec.Name = $alarm.Info.Name
          $spec.Description = $alarm.Info.Description
          $spec.Expression = $alarm.Info.Expression
          $spec.Enabled = $alarm.Info.Enabled
          $spec.Setting = $alarm.Info.Setting

          $alarm.ReconfigureAlarm($spec)
     }
}

Alarms, listed in $predefined, will now send an SNMP trap when the State goes from green to yellow and when the State goes from yellow to red.

Tags: VMware

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