Vester

1.1.0

Tests/DSCluster/Space-UtilDiffMin.Vester.ps1

                                # Test file for the Vester module - https://github.com/WahlNetwork/Vester

# Called via Invoke-Pester VesterTemplate.Tests.ps1

# Test title, e.g. 'DNS Servers'

$Title = 'SDRS - Space Utilization Difference Minimum'

# Test description: How New-VesterConfig explains this value to the user

$Description = 'Specifies the minimum space utilization difference between datastores before storage migrations are recommended (1% - 50%. Default 5%)'

# The config entry stating the desired values

$Desired = $cfg.dscluster.spaceutildiffmin

# The test value's data type, to help with conversion: bool/string/int

$Type = 'int'

# The command(s) to pull the actual value for comparison

# $Object will scope to the folder this test is in (Cluster, Host, etc.)

[ScriptBlock]$Actual = {

    $Object.ExtensionData.PodStorageDrsEntry.StorageDrsConfig.PodConfig.SpaceLoadBalanceConfig.MinSpaceUtilizationDifference

}

# The command(s) to match the environment to the config

# Use $Object to help filter, and $Desired to set the correct value

[ScriptBlock]$Fix = {

    $Save = Get-ChildItem Variable: | Where-Object {$_.Value -Match "dscluster"}

    $FreeSpaceThresholdGB = $Save.Value.DSCluster.spacefreethresholdgb

    $SpaceUtilizationThreshold = $Save.Value.DSCluster.spaceutilizationthresholdpercent

    $SpaceThresholdMode = $Save.Value.DSCluster.spacethresholdmode

    $StorMgr = Get-View StorageResourceManager

    $Spec = New-Object VMware.Vim.StorageDrsConfigSpec

    $Spec.PodConfigSpec = New-Object VMware.Vim.StorageDrsPodConfigSpec

    $Spec.PodConfigSpec.SpaceLoadBalanceConfig = New-Object VMware.Vim.StorageDrsSpaceLoadBalanceConfig

    $Spec.PodConfigSpec.SpaceLoadBalanceConfig.MinSpaceUtilizationDifference = $Desired

    $Spec.PodConfigSpec.SpaceLoadBalanceConfig.SpaceThresholdMode = "utilization"

    $Spec.PodConfigSpec.SpaceLoadBalanceConfig.SpaceUtilizationThreshold = $SpaceUtilizationThreshold

    $StorMgr.ConfigureStorageDrsForPod($Object.ExtensionData.MoRef,$Spec,$TRUE)

    # If the SpaceThresholdMode was "freeSpace", set it back

    if($SpaceThresholdMode -eq "freeSpace")

    {

        $StorMgr = Get-View StorageResourceManager

        $Spec = New-Object VMware.Vim.StorageDrsConfigSpec

        $Spec.PodConfigSpec = New-Object VMware.Vim.StorageDrsPodConfigSpec

        $Spec.PodConfigSpec.SpaceLoadBalanceConfig = New-Object VMware.Vim.StorageDrsSpaceLoadBalanceConfig

        $Spec.PodConfigSpec.SpaceLoadBalanceConfig.SpaceThresholdMode = "freeSpace"

        $Spec.PodConfigSpec.SpaceLoadBalanceConfig.FreeSpaceThresholdGB = $FreeSpaceThresholdGB

        $StorMgr.ConfigureStorageDrsForPod($Object.ExtensionData.MoRef,$Spec,$TRUE)    

    }

}