QND.Hyperv2012R2.VMSnapshotAge.PT (ProbeActionModuleType)

Element properties:

Member Modules:

Overrideable Parameters:

Source Code:

<ProbeActionModuleType ID="QND.Hyperv2012R2.VMSnapshotAge.PT" Accessibility="Public" Batching="false">

  <Configuration>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="TimeoutSeconds" type="xsd:int" minOccurs="0" maxOccurs="1" default="60"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="TraceLevel" type="xsd:int" minOccurs="0" maxOccurs="1"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="int"/>

    <OverrideableParameter ID="TraceLevel" ParameterType="int" Selector="$Config/TraceLevel$"/>

  </OverrideableParameters>

  <ModuleImplementation>

    <Composite>

      <MemberModules>

        <ProbeAction ID="Stats" TypeID="Windows!Microsoft.Windows.PowerShellPropertyBagProbe">

          <ScriptName>Get-VMSnapshotAge.ps1</ScriptName>

          <ScriptBody><Script>#TO SHOW VERBOSE MESSAGES SET $VerbosePreference="continue"

#SET ErrorLevel to 5 so show discovery info



#*************************************************************************

# Script Name - Get-VMSnapShotAge.ps1

# Author	  - Daniele Grandini - Progel spa

# Version  - 1.0 27/02/2015

# Purpose     - 

#               

# Assumptions - 

#				

#               

# Parameters  - TraceLevel

#             - ComputerName

#				- SourceId

#				- ManagedEntityId

# Command Line - .\test.ps1 4 "serverName" '{1860E0EB-8C21-41DA-9F35-2FE9343CCF36}' '{1860E0EB-8C21-41DA-9F35-2FE9343CCF36}'

# If discovery must be added the followinf parameters

#				SourceId ($ MPElement $ )

#				ManagedEntityId ($ Target/Id $)

#

# Output properties

#

# Status

#

# Version History

#	  1.0 21.02.2015 DG First Release

#     

#

# (c) Copyright 2015, Progel spa, All Rights Reserved

# Proprietary and confidential to Progel srl              

#

#*************************************************************************





# Get the named parameters

param([int]$traceLevel=$(throw 'must have a value'))



	[Threading.Thread]::CurrentThread.CurrentCulture = "en-US"        

	[Threading.Thread]::CurrentThread.CurrentUICulture = "en-US"

	

#Constants used for event logging

$SCRIPT_NAME			= "Get-VMSnapshotAge.ps1"

$SCRIPT_ARGS = 1

$SCRIPT_STARTED			= 831

$PROPERTYBAG_CREATED	= 832

$SCRIPT_ENDED			= 835

$SCRIPT_VERSION = "1.01"



#region Constants

#Trace Level Costants

$TRACE_NONE 	= 0

$TRACE_ERROR 	= 1

$TRACE_WARNING = 2

$TRACE_INFO 	= 3

$TRACE_VERBOSE = 4

$TRACE_DEBUG = 5



#Event Type Constants

$EVENT_TYPE_SUCCESS      = 0

$EVENT_TYPE_ERROR        = 1

$EVENT_TYPE_WARNING      = 2

$EVENT_TYPE_INFORMATION  = 4

$EVENT_TYPE_AUDITSUCCESS = 8

$EVENT_TYPE_AUDITFAILURE = 16



#Standard Event IDs

$FAILURE_EVENT_ID = 4000		#errore generico nello script

$SUCCESS_EVENT_ID = 1101

$START_EVENT_ID = 1102

$STOP_EVENT_ID = 1103



#TypedPropertyBag

$AlertDataType = 0

$EventDataType	= 2

$PerformanceDataType = 2

$StateDataType       = 3

#endregion



#region Helper Functions

function Log-Params

{

	param($Invocation)

	$line=''

	foreach($key in $Invocation.BoundParameters.Keys) {$line += "$key=$($Invocation.BoundParameters[$key])  "}

	Log-Event $START_EVENT_ID $EVENT_TYPE_INFORMATION  ("Starting script. Invocation Name:$($Invocation.InvocationName)`n Parameters`n $line") $TRACE_INFO

}





function Log-Event

{

	param($eventID, $eventType, $msg, $level)

	

	Write-Verbose ("Logging event. " + $SCRIPT_NAME + " EventID: " + $eventID + " eventType: " + $eventType + " Version:" + $SCRIPT_VERSION + " --&gt; " + $msg)

	if($level -le $P_TraceLevel)

	{

		Write-Host ("Logging event. " + $SCRIPT_NAME + " EventID: " + $eventID + " eventType: " + $eventType + " Version:" + $SCRIPT_VERSION + " --&gt; " + $msg)

		$g_API.LogScriptEvent($SCRIPT_NAME,$eventID,$eventType, ($msg + "`n" + "Version :" + $SCRIPT_VERSION))

	}

}



Function Throw-EmptyDiscovery

{

	param($SourceId, $ManagedEntityId)



	$oDiscoveryData = $g_API.CreateDiscoveryData(0, $SourceId, $ManagedEntityId)

	Log-Event $FAILURE_EVENT_ID $EVENT_TYPE_WARNING "Exiting with empty discovery data" $TRACE_INFO

	$oDiscoveryData

	If($traceLevel -eq $TRACE_DEBUG)

	{

		#just for debug proposes when launched from command line does nothing when run inside OpsMgr Agent

		$g_API.Return($oDiscoveryData)

	}

}



Function Throw-KeepDiscoveryInfo

{

param($SourceId, $ManagedEntityId)

	$oDiscoveryData = $g_API.CreateDiscoveryData(0,$SourceId,$ManagedEntityId)

	#Instead of Snapshot discovery, submit Incremental discovery data

	$oDiscoveryData.IsSnapshot = $false

	Log-Event $FAILURE_EVENT_ID $EVENT_TYPE_WARNING "Exiting with null non snapshot discovery data" $TRACE_INFO

	$oDiscoveryData    

	If($traceLevel -eq $TRACE_DEBUG)

	{

		#just for debug proposes when launched from command line does nothing when run inside OpsMgr Agent	

		$g_API.Return($oDiscoveryData)

	}

}

#endregion



Function Get-SnapshotTree()

{

	param($vm,[hashtable] $tree=@{})

	if ($vm.ParentSnapshotId -ne $null) {

		#$tree += $vm.ParentSnapShotId

		$parent = Get-VMSnapshot -Id $vm.ParentSnapShotId

		$tree.Add($vm.ParentSnapshotId, @($parent.CreationTime,$parent.Name))

		Get-SnapshotTree -vm $parent -tree $tree | Out-Null

		#$parentTree = Get-SnapshotTree -vm $parent -tree @{}

		#$tree += $parentTree

		# or 

		# Get-SnapshotTree -vm $parent -tree $tree

		#

		#

	}

	return $tree

}



#Start by setting up API object.

	$P_TraceLevel = $TRACE_VERBOSE

	$g_Api = New-Object -comObject 'MOM.ScriptAPI'

	#$g_RegistryStatePath = "HKLM\" + $g_API.GetScriptStateKeyPath($SCRIPT_NAME)



	$dtStart = Get-Date

	$P_TraceLevel = $traceLevel

	Log-Params $MyInvocation



try

{

		if (!(get-Module -Name Hyper-v)) {Import-Module Hyper-v}



	if (!(get-command -Module Hyper-V -Name Get-VM -ErrorAction SilentlyContinue)) {

		Log-Event $START_EVENT_ID $EVENT_TYPE_WARNING ("Get-VM Commandlet doesn't exist.") $TRACE_WARNING

		Exit 1;

	}



	$vms = get-vm # | where {$_.ParentSnapshotId -ne $null}





	foreach($vm in $vms) {

		$snapshotAgeHours = 0

		$message=''

		if ($vm.ParentSnapshotID -ne $null) {

			$snapshots = Get-SnapshotTree -VM $vm

			foreach($snapKey in $snapshots.Keys) {

				if ($snapshots[$snapKey][0] -le [DateTime]'1900-01-01') {

					$snapConfig = Get-Item -Path "$($vm.ConfigurationLocation)\Snapshots\$($snapKey).xml"

					$snapshots[$snapKey][0] = $snapCOnfig.CreationTime

				}

				$message+="$($snapshots[$snapKey][1]) - $($snapshots[$snapKey][0]) `n"

				if ( $snapshotAgeHours -lt ([DateTime]::Now - $snapshots[$snapKey][0]).TotalHours) {$snapshotAgeHours=([DateTime]::Now - $snapshots[$snapKey][0]).TotalHours }

			}

		}

		$bag = $g_api.CreatePropertyBag()

		$bag.AddValue('VMId',$vm.VMId.ToString())

		$bag.AddValue('OldestSnapshotAgeHours',$snapshotAgeHours ) 

		$bag.AddValue('SnapshotHistory',$message)

		$bag

		Log-Event $START_EVENT_ID $EVENT_TYPE_INFO ("$($vm.VMName) has been processed `n $message") $TRACE_DEBUG

	}

	Log-Event $STOP_EVENT_ID $EVENT_TYPE_SUCCESS ("has completed successfully in " + ((Get-Date)- ($dtstart)).TotalSeconds + " seconds.") $TRACE_INFO

}

Catch [Exception] {

	Log-Event $FAILURE_EVENT_ID $EVENT_TYPE_WARNING ("Main " + $Error) $TRACE_WARNING	

	write-Verbose $("TRAPPED: " + $_.Exception.GetType().FullName); 

	Write-Verbose $("TRAPPED: " + $_.Exception.Message); 

}

















#$snapshotFile=$vm.SnapshotFileLocation

#$configFileLocartion="$($vm.ConfigurationsFileLocation)\Snapshots"





foreach($v in $vms) {

	$snapshots = Get-SnapshotTree -VM $v

	$snapConfig = Get-Item -Path "$($vm.ConfigurationLocation)\Snapshots\$($snap.Id).xml"

	$snapCOnfig.CreationTime

}



</Script></ScriptBody>

          <Parameters>

            <Parameter>

              <Name>TraceLevel</Name>

              <Value>$Config/TraceLevel$</Value>

            </Parameter>

          </Parameters>

          <TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>

          <StrictErrorHandling>false</StrictErrorHandling>

          <!-- true only for Tasks -->

        </ProbeAction>

      </MemberModules>

      <Composition>

        <Node ID="Stats"/>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>System!System.PropertyBagData</OutputType>

  <InputType>System!System.BaseData</InputType>

</ProbeActionModuleType>