HPC 2008 R2 Node Discovery

Microsoft.HPC.2008R2.Discovery.Node (Discovery)

Element properties:

Object Discovery Details:

Member Modules:

Source Code:

<Discovery ID="Microsoft.HPC.2008R2.Discovery.Node" Enabled="true" Target="Microsoft.HPC.2008R2.ActiveHeadNode" ConfirmDelivery="true" Remotable="true" Priority="Normal">

  <Category>Discovery</Category>

  <DiscoveryTypes>

    <DiscoveryClass TypeID="Microsoft.HPC.2008R2.NodeGroup"/>

    <DiscoveryClass TypeID="Microsoft.HPC.2008R2.HeadNode"/>

    <DiscoveryClass TypeID="Microsoft.HPC.2008R2.ComputeNode"/>

    <DiscoveryClass TypeID="Microsoft.HPC.2008R2.BrokerNode"/>

    <DiscoveryClass TypeID="Microsoft.HPC.2008R2.WorkstationNode"/>

    <DiscoveryRelationship TypeID="Microsoft.HPC.2008R2.ClusterHostsNodeGroup"/>

    <DiscoveryRelationship TypeID="Microsoft.HPC.2008R2.NodeGroupContainsNode"/>

    <DiscoveryRelationship TypeID="Microsoft.HPC.2008R2.ClusterContainsHeadNode"/>

    <DiscoveryRelationship TypeID="Microsoft.HPC.2008R2.ClusterContainsComputeNode"/>

    <DiscoveryRelationship TypeID="Microsoft.HPC.2008R2.ClusterContainsBrokerNode"/>

    <DiscoveryRelationship TypeID="Microsoft.HPC.2008R2.ClusterContainsWorkstationNode"/>

  </DiscoveryTypes>

  <DataSource ID="DS" RunAs="HPCLibrary!Microsoft.HPC.RunAsProfile.AdminActionAccount" TypeID="Microsoft.HPC.2008R2.Module.TimedPowershellDiscoveryProvider">

    <ScriptName>DiscoverHpcNode</ScriptName>

    <ScriptBody><Script>



param($sourceId, $managedEntityId, $clusterName)



trap [Exception]

{

    $severity = "Error"

    $eventId = 301 # Discovery Failure Event

    $message = "'Discovery Failure for Microsoft.HPC.2008R2.Discovery.Node: " + $_.Exception.Message.Replace('"', '').Replace("'", "") + "'"

    eventcreate /T $severity /ID $eventId /L Application /SO HPCManagementPack /D $message

    break

}



$momApi = New-Object -ComObject 'MOM.ScriptAPI'

$discoveryData = $momApi.CreateDiscoveryData(0, $sourceId, $managedEntityId)



Add-PSSnapin Microsoft.HPC



# Global variables

$nodeGroups = @{}

$roleTable = @{

    "HeadNode" = "$MPElement[Name='Microsoft.HPC.2008R2.HeadNode']$";

    "ComputeNode" = "$MPElement[Name='Microsoft.HPC.2008R2.ComputeNode']$";

    "BrokerNode" = "$MPElement[Name='Microsoft.HPC.2008R2.BrokerNode']$";

    "WorkstationNode" = "$MPElement[Name='Microsoft.HPC.2008R2.WorkstationNode']$";

}



$roleRelationTable = @{

    "HeadNode" = "$MPElement[Name='Microsoft.HPC.2008R2.ClusterContainsHeadNode']$";

    "ComputeNode" = "$MPElement[Name='Microsoft.HPC.2008R2.ClusterContainsComputeNode']$";

    "BrokerNode" = "$MPElement[Name='Microsoft.HPC.2008R2.ClusterContainsBrokerNode']$";

    "WorkstationNode" = "$MPElement[Name='Microsoft.HPC.2008R2.ClusterContainsWorkstationNode']$";

}



$roleNames = @{

    "HeadNode" = "Head Node Role";

    "ComputeNode" = "Compute Node Role";

    "BrokerNode" = "Broker Node Role";

    "WorkstationNode" = "Workstation Node Role";

}





# Discover Node Groups

$groups = Get-HpcGroup -Scheduler $clusterName

$azureGroup = ""

$groups | % {

    if ($_.Id -ne 4) # exlude Azure node group

    {

        $group = $discoveryData.CreateClassInstance("$MPElement[Name='Microsoft.HPC.2008R2.NodeGroup']$")

        $group.AddProperty("$MPElement[Name='HPCLibrary!Microsoft.HPC.Cluster']/ClusterName$", $clusterName)

        $group.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.NodeGroup']/Name$", $_.Name)

        $group.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.NodeGroup']/Description$", $_.Description)

        $group.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $_.Name)

        $discoveryData.AddInstance($group)

        $nodeGroups.Add($_.Name, $group)

    }

    else

    {

        $azureGroup = $_.Name

    }

}



# Discover Node

$nodes = Get-HpcNode -State Provisioning,Offline,Starting,Online,Draining -Scheduler $clusterName

$nodes | % {

    $isAzureNode = $false

    if (($_.Groups -ne $null) -and ($_.Groups -ne "") -and ($azureGroup -ne ""))

    {

        $groups = $_.Groups.Split(',')

        foreach ($group in $groups)

        {

            if ($group -eq $azureGroup)

            {

                $isAzureNode = $true

                break

            }

        }

    }

    

    if ((-not $isAzureNode) -and ($_.FullyQualifiedDnsName -ne $null) -and ($_.FullyQualifiedDnsName -ne ""))

    {

        $node = $discoveryData.CreateClassInstance("$MPElement[Name='Microsoft.HPC.2008R2.Node']$")

        $node.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $_.FullyQualifiedDnsName)

        $node.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/DNSName$", $_.FullyQualifiedDnsName)

        $node.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/NetworkName$", $_.FullyQualifiedDnsName)

        $node.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/NetbiosComputerName$", $_.NetBiosName)

        $node.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.Node']/ClusterName$", $clusterName)

        $node.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.Node']/Version$", $_.Version)

        $node.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.Node']/InstallationPath$", $_.CcpInstallationPath)

        $node.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.Node']/MachineGuid$", $_.MachineGuid)

        $node.AddProperty("$MPElement[Name='Microsoft.HPC.2008R2.Node']/Template$", $_.Template)

        $node.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $_.FullyQualifiedDnsName)

        $discoveryData.AddInstance($node)

        

        # Create the node instance again that only contains properties in the base class

        # This allows the instance to be used to create the relationship before the derived instance is actually created

        $node = $discoveryData.CreateClassInstance("$MPElement[Name='Microsoft.HPC.2008R2.Node']$")

        $node.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $_.FullyQualifiedDnsName)        

        

        # Discover relationship with node groups

        if (($_.Groups -ne $null) -and ($_.Groups -ne ""))

        {

            $groups = $_.Groups.Split(',')

            foreach ($group in $groups)

            {

                if ($nodeGroups.ContainsKey($group))

                {

                    $nodeGroup = $nodeGroups.Get_Item($group)

                    $relationship = $discoveryData.CreateRelationshipInstance("$MPElement[Name='Microsoft.HPC.2008R2.NodeGroupContainsNode']$")

                    $relationship.Source = $nodeGroup

                    $relationship.Target = $node

                    $discoveryData.AddInstance($relationship)

                }

            }

        }

        

        # Discover node roles

        

        $roles = New-Object System.Collections.ArrayList

        if ($_.IsHeadNode)

        {

            $roles.Add("HeadNode")

        }

        

        if ($_.NodeRole -ne "None")

        {

            foreach ($nodeRole in ([string]$_.NodeRole).Split(','))

            {

                $roles.Add($nodeRole.Trim())

            }

        }

        

        

        $cluster = $discoveryData.CreateClassInstance("$MPElement[Name='Microsoft.HPC.2008R2.Cluster']$")

        $cluster.AddProperty("$MPElement[Name='HPCLibrary!Microsoft.HPC.Cluster']/ClusterName$", $clusterName)

        $discoveryData.AddInstance($cluster)

        

        foreach ($nodeRole in $roles)

        {

            if ($roleTable.ContainsKey($nodeRole))

            {

                $element = $roleTable.Get_Item($nodeRole)

                $displayName = $roleNames.Get_Item($nodeRole)

                $role = $discoveryData.CreateClassInstance($element)

                $role.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $_.FullyQualifiedDnsName)

                $role.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $_.NetBiosName + " " + $displayName)

                $discoveryData.AddInstance($role)

                

                $relationshipName = $roleRelationTable.Get_Item($nodeRole)

                $relationship = $discoveryData.CreateRelationshipInstance($relationshipName)

                $relationship.Source = $cluster

                $relationship.Target = $role

                $discoveryData.AddInstance($relationship)

            }

        }

    }

}



$momApi.Return($discoveryData)



  </Script></ScriptBody>

    <Parameters>'$MPElement$' '$Target/Id$' '$Target/Property[Type='Microsoft.HPC.2008R2.ActiveHeadNode']/ClusterName$'</Parameters>

    <IntervalSeconds>86400</IntervalSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

  </DataSource>

</Discovery>