S2D Storage Node Discovery Data Source
Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.Discovery.DataSource.StorageNode (DataSourceModuleType)
Storage Node discovery data source.
Element properties:
Member Modules:
Overrideable Parameters:
Source Code:
<DataSourceModuleType ID="Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.Discovery.DataSource.StorageNode" Accessibility="Internal">
<Configuration>
<IncludeSchemaTypes>
<SchemaType>Windows!Microsoft.Windows.PowerShellSchema</SchemaType>
<SchemaType>System!System.ExpressionEvaluatorSchema</SchemaType>
</IncludeSchemaTypes>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="IntervalSeconds" type="xsd:integer"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" maxOccurs="1" name="TimeoutSeconds" type="xsd:integer"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="SyncTime" type="xsd:string"/>
<xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="0" name="DebugMode" type="xsd:boolean"/>
</Configuration>
<OverrideableParameters>
<OverrideableParameter ID="IntervalSeconds" Selector="$Config/IntervalSeconds$" ParameterType="int"/>
<OverrideableParameter ID="SyncTime" Selector="$Config/SyncTime$" ParameterType="string"/>
<OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="int"/>
<OverrideableParameter ID="DebugMode" Selector="$Config/DebugMode$" ParameterType="bool"/>
</OverrideableParameters>
<ModuleImplementation Isolation="Any">
<Composite>
<MemberModules>
<DataSource ID="Scheduler" TypeID="System!System.Discovery.Scheduler">
<Scheduler>
<SimpleReccuringSchedule>
<Interval>$Config/IntervalSeconds$</Interval>
<SyncTime>$Config/SyncTime$</SyncTime>
</SimpleReccuringSchedule>
<ExcludeDates/>
</Scheduler>
</DataSource>
<ProbeAction ID="Script" TypeID="Windows!Microsoft.Windows.PowerShellDiscoveryProbe">
<ScriptName>StorageNodeDiscoveryDatasourceScript.ps1</ScriptName>
<ScriptBody><Script>
param($serverPrincipalName, $SourceId, $ManagedEntityId,$DebugMode)
#general variables
#-----------------
$errorActionPreference = 'Stop'
$errEvent = [System.Diagnostics.EventLogEntryType]::Error;
$infoEvent = [System.Diagnostics.EventLogEntryType]::Information;
$GenericInformationEvent = 8671;
$GenericFailureEvent = 8672;
$DiscoveryGenericInformationEvent = 8861;
$DiscoveryGenericFailureEvent = 8862;
$script:traceMsg = "";
$ObjectNotFoundCode = -2146233087
$msft_namespace = "root\microsoft\windows\storage"
$cluster_namespace = "root\mscluster"
# Guid length for Virtual Disk
$guidLength = 38
$PadLength = 1 #Object Id ended with double quote
if ($false -eq [string]::IsNullOrEmpty($DebugMode))
{
$DebugMode = [string]::Equals("true",$DebugMode,[System.StringComparison]::OrdinalIgnoreCase)
}
else
{
$DebugMode = $false
}
$momAPI = New-Object -comObject 'MOM.ScriptAPI'
#Common Functions
Function Get-Guid([string]$sguid)
{
if ([string]::IsNullOrEmpty($sguid))
{
return $null
}
$guid = [guid]::NewGuid()
if ($false -eq [guid]::TryParse($sguid,[ref] $guid))
{
return $null;
}
return $guid
}
Function GetDiskIdFilterFromVdObjectId([string]$ObjectId)
{
if ($true -eq [string]::IsNullOrEmpty($ObjectId))
{
return $null
}
$Length = $ObjectId.Length
#check guid length - 38 in {guid} format
$rGuidLength = $guidLength + $PadLength
if ($Length -lt $rGuidLength) {return $null;}
$sguid = $ObjectId.Substring($Length - $rGuidLength,$guidLength)
$guid = Get-Guid -sguid $sguid
if ($null -eq $guid) {return $null;}
return "DiskId='\\\\?\\Disk{$guid}'"
}
Function GetVolumesFromVd($vd)
{
$errorActionPreference = "Stop"
$Filter = GetDiskIdFilterFromVdObjectId -ObjectId $vd.ObjectId
if ($null -eq $Filter ) {return $null;}
$partitions = Get-CimInstance -ClassName "MSFT_Partition" -Namespace $msft_namespace -Filter $Filter | Where-Object {$_.AccessPaths -ne $null}
$volumes = @{}
foreach ($partition in $partitions)
{
$Volume = Get-CimAssociatedInstance -Association "MSFT_PartitionToVolume" -InputObject $partition -Namespace $msft_namespace
if ($null -ne $Volume -and "CSVFS" -eq $Volume.FileSystem )
{
$volumes[$Volume] = 1;
}
}
return $volumes
}
Function AddTraceMessage
{
param($message)
$errorActionPreference = 'SilentlyContinue'
$timeStamp = (get-date -format "HH:mm:ss:fff");
$script:traceMsg = $script:traceMsg + "`n[" + $timeStamp + "] " + $message;
}
Function Log-FinalDebugData([int]$FailureEvent,[int]$InformationEvent,$exception,[string]$SCRIPT_NAME,[string]$traceMsg,[bool]$DebugMode = $false,$message = [string]::Empty)
{
$ErrorActionPreference = "SilentlyContinue"
if ($null -ne $exception)
{
if ([string]::Empty -eq $message) {$message = "Error occured during script execution:"}
$momAPI.LogScriptEvent($SCRIPT_NAME, $FailureEvent, 1, "$message $($exception.Message)");
}
if ($script:traceMsg -ne $null -and $true -eq $DebugMode)
{
$momAPI.LogScriptEvent($SCRIPT_NAME,$InformationEvent, 0, $traceMsg);
}
}
Function Check-CimError($Exception)
{
$errorActionPreference = 'SilentlyContinue'
$result = $false
if ($null -eq $Exception)
{
return $result
}
$error.Clear()
$type = $Exception.GetType()
if (0 -ne $error.Count)
{
$error.Clear()
return $result
}
if ("Microsoft.PowerShell.Cmdletization.Cim.CimJobException" -eq $type.FullName -and $ObjectNotFoundCode -eq $Exception.HResult)
{
$result = $true
}
return $result
}
Function Get-FaultException($exception,$IsObjectExist)
{
if ($false -eq $IsObjectExist)
{
$IsError = Check-CimError -Exception $exception
if ($true -eq $IsError)
{
$exception = $null
}
}
return $exception
}
Function Load-Module ([string] $ModuleName)
{
if ([string]::IsNullOrEmpty($ModuleName) )
{
return $false
}
$ErrorActionPreference="SilentlyContinue"
$error.Clear()
$retval = $false
$Tmodule = Get-Module -Name $ModuleName
########Check for powershell 1.0
if ($error.Count -ne 0)
{
$Exception = $error[0].Exception
if ($null -ne $Exception)
{
$type = $Exception.GetType()
if ([System.Management.Automation.CommandNotFoundException] -eq $type)
{
$error.Clear()
return $retval
}
}
$error.Clear()
}
if ($null -eq $Tmodule)
{
$Tmodule = Get-Module -Name $ModuleName -ListAvailable
if ($error.Count -ne 0){ return $retval;}
if ($null -eq $Tmodule) {return $retval;}
Import-Module $ModuleName
if ($error.Count -eq 0){ $retval = $true;}
}
else
{
$retval = $true
}
return $retval
}
AddTraceMessage -message "Start on Node: $env:COMPUTERNAME"
$IsStorageModuleReady = Load-Module -ModuleName "Storage"
if ($false -eq $IsStorageModuleReady)
{
if ($error.Count -ne 0)
{
$message = "Cannot initializa Storage module. Error: " + $error[0].ToString()
}
else
{
$message = "Cannot load Storage module."
}
AddTraceMessage -message $message
}
#Load cimcmdlets
$IsCimReady = Load-Module -ModuleName "CimCmdLets"
#Copyright (c) Microsoft Corporation. All rights reserved.
$scriptName = "StorageNodeDiscoveryDatasourceScript.ps1"
AddTraceMessage -message "$SourceId"
AddTraceMessage -message "$ManagedEntityId"
AddTraceMessage -message "Before Main"
Function Main
{
AddTraceMessage -message "In Main"
$IsReady = $true
if ($false -eq $IsStorageModuleReady)
{
$IsReady = $false
$momAPI.LogScriptEvent($scriptName, $DiscoveryGenericFailureEvent, 1, $script:traceMsg);
}
$oDiscoveryData = $momAPI.CreateDiscoveryData(0, $SourceId, $ManagedEntityId);
if ($false -eq $IsReady)
{
$oDiscoveryData.IsSnapshot = $false
}
else
{
if ((DoDiscovery $serverPrincipalName $oDiscoveryData) -ne 0)
{
$oDiscoveryData = $momAPI.CreateDiscoveryData(0, $SourceId, $ManagedEntityId)
$oDiscoveryData.IsSnapshot = $false
}
}
$oDiscoveryData
}
Function DoDiscovery
{
param ([string] $argPrincipalName, $oDisc)
$error.Clear()
$errorCount = 0
AddTraceMessage -message "Cluster principal Name: $argPrincipalName"
$errorActionPreference = "Stop"
try
{
#$storageNodes = @(Get-StorageNode)
$storageNodes = @(Get-StorageSubSystem -FriendlyName 'Cluster*' | Get-StorageNode)
if (($storageNodes -ne $null) -and ($storageNodes.Count -gt 0))
{
foreach ($storageNode in $storageNodes)
{
$substorInstance = $oDisc.CreateClassInstance("$MPElement[Name='Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.StorageNode']$");
#$substorInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $storageNode.Name);
$substorInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $argPrincipalName);
$substorInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $storageNode.Name);
$substorInstance.AddProperty("$MPElement[Name='MicrosoftStorageLibrary!Microsoft.Storage.Library.Windows.Node']/UniqueID$", $storageNode.UniqueID);
$substorInstance.AddProperty("$MPElement[Name='MicrosoftStorageLibrary!Microsoft.Storage.Library.Windows.Node']/Name$", $storageNode.Name);
$substorInstance.AddProperty("$MPElement[Name='MicrosoftStorageLibrary!Microsoft.Storage.Library.Windows.Node']/SerialNumber$", $storageNode.SerialNumber);
$substorInstance.AddProperty("$MPElement[Name='Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.StorageNode']/ObjectId$", $storageNode.ObjectId);
$substorInstance.AddProperty("$MPElement[Name='Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.StorageNode']/FriendlyName$", $storageNode.Name);
$substorInstance.AddProperty("$MPElement[Name='Microsoft.Windows.Server.10.0.Storage.StorageSpacesDirect.StorageNode']/ClusterName$", $argPrincipalName);
$oDisc.AddInstance($substorInstance)
}
}
}
catch
{
$errorCount = 1
AddTraceMessage -message $_.Exception.Message
}
finally
{
Log-FinalDebugData -FailureEvent $DiscoveryGenericFailureEvent -InformationEvent $DiscoveryGenericInformationEvent -exception $exception -SCRIPT_NAME $scriptName -traceMsg $script:traceMsg -DebugMode $DebugMode
}
return $errorCount
}
Main</Script></ScriptBody>
<Parameters>
<Parameter>
<Name>serverPrincipalName</Name>
<Value>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</Value>
</Parameter>
<Parameter>
<Name>SourceId</Name>
<Value>$MPElement$</Value>
</Parameter>
<Parameter>
<Name>ManagedEntityId</Name>
<Value>$Target/Id$</Value>
</Parameter>
<Parameter>
<Name>DebugMode</Name>
<Value>$Config/DebugMode$</Value>
</Parameter>
</Parameters>
<TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>
<StrictErrorHandling>true</StrictErrorHandling>
</ProbeAction>
</MemberModules>
<Composition>
<Node ID="Script">
<Node ID="Scheduler"/>
</Node>
</Composition>
</Composite>
</ModuleImplementation>
<OutputType>System!System.Discovery.Data</OutputType>
</DataSourceModuleType>
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