Need help in Optimizing the PS command to extract network name resource of a Role running in Failover Cluster Manager

Question

I need help in optimizing the below PS cmdlet. The intent of the below cmdlet is to extract the name of the 'Network Name' of a particular "Generic Service" role running in the failover cluster.

------------------------

(Get-ClusterResource |
Where-Object {$.ResourceType.Name -eq "Network Name" -and
$.OwnerGroup -eq
(Get-ClusterResource |
Where-Object {$.ResourceType.Name -eq "Generic Service" -and $.Name -like "Rhapsody*"} ).OwnerGroup.Name}
).name

OUTPUT:
RhapsodyHA_AP

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Below is the list of resources in my test cluster for example. The highlighted row I need to extract.

Thanks for the help in advance!!

-Surabhi

Answer 1

What sort of "optimization" do you think the script needs?

Does untangling the code help? (I have no clusters to work with so I can't test this):

$cl = Get-ClusterResource
$ogn = ($cl |
        Where-Object {$_.ResourceType.Name -eq "Generic Service" -and $_.Name -like "Rhapsody*"}).OwnerGroup.Name

$cl |
    Where-Object {$_.ResourceType.Name -eq "Network Name" -and $_.OwnerGroup -eq $ogn} |
            Select-Object -ExpandProperty Name

Answer 2

Hello @Surabhi Jaiswal !

You have two complete itereations thru the ClusterResource collection, here is an approach with one complete iteration. Does this work for you?

Get-ClusterResource |  
Where-Object {  
  $_.ResourceType.Name -in "Generic Service","NetworkName" -and $_.OwnerGroup.Name -like 'Rhapsody*'  
} | Where-Object ResourceType.Name -eq 'Networkname' | Select -ExpandProperty Name  

I've tested it with this little code snippet:

$o = `  
[PSCustomObject]@{Name = 'Cluster Disk 1'; State = 'Online'; OwnerGroup = 'RhapsodyHA_AP'; ResourceType = 'Physical Disk'},  
[PSCustomObject]@{Name = 'Cluster IP Address'; State = 'Online'; OwnerGroup = 'Cluster Group'; ResourceType = 'IP Address'},  
[PSCustomObject]@{Name = 'Cluster Name'; State = 'Online'; OwnerGroup = 'Cluster Group'; ResourceType = 'NetworkName'},  
[PSCustomObject]@{Name = 'HIF Testing'; State = 'Online'; OwnerGroup = 'HIF Testing'; ResourceType = 'NetworkName'},  
[PSCustomObject]@{Name = 'IP Address 192.168.2.1'; State = 'Online'; OwnerGroup = 'RhapsodyHA_AP'; ResourceType = 'IP Address'},  
[PSCustomObject]@{Name = 'IP Address 192.168.2.23'; State = 'Online'; OwnerGroup = 'HIF Testing'; ResourceType = 'IP Address'},  
[PSCustomObject]@{Name = 'Philips Healthcare Integration Found'; State = 'Online'; OwnerGroup = 'HIF Testing'; ResourceType = 'Generic Service'},  
[PSCustomObject]@{Name = 'Rhapsody 6.6.1'; State = 'Online'; OwnerGroup = 'RhapsodyHA_AP'; ResourceType = 'Generic Service'},  
[PSCustomObject]@{Name = 'RhapsodyHA_AP'; State = 'Online'; OwnerGroup = 'RhapsodyHA_AP'; ResourceType = 'NetworkName'}  
  
$o |  
Where-Object {  
  $_.ResourceType -in "Generic Service","NetworkName" -and $_.OwnerGroup -like 'Rhapsody*'  
} | Where-Object ResourceType -eq 'Networkname' | Select -ExpandProperty Name  

Best whishes

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