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MSFT_PowerPlan.psm1
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MSFT_PowerPlan.psm1
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$modulePath = Join-Path -Path (Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent) -ChildPath 'Modules'
# Import the ComputerManagementDsc Common Modules
Import-Module -Name (Join-Path -Path $modulePath `
-ChildPath (Join-Path -Path 'ComputerManagementDsc.Common' `
-ChildPath 'ComputerManagementDsc.Common.psm1'))
# Import the ComputerManagementDsc Resource Helper Module
Import-Module -Name (Join-Path -Path $modulePath `
-ChildPath (Join-Path -Path 'ComputerManagementDsc.ResourceHelper' `
-ChildPath 'ComputerManagementDsc.ResourceHelper.psm1'))
# Import Localization Strings
$script:localizedData = Get-LocalizedData `
-ResourceName 'MSFT_PowerPlan' `
-ResourcePath (Split-Path -Parent $Script:MyInvocation.MyCommand.Path)
<#
.SYNOPSIS
Returns the current state of the power plan.
.PARAMETER IsSingleInstance
Specifies the resource is a single instance, the value must be 'Yes'.
.PARAMETER Name
Specifies the name of the power plan to assign to the node.
.EXAMPLE
Get-TargetResource -IsSingleInstance 'Yes' -Name 'High performance'
#>
function Get-TargetResource
{
[CmdletBinding()]
[OutputType([System.Collections.Hashtable])]
param
(
# This is best practice when writing a single-instance DSC resource.
[Parameter(Mandatory = $true)]
[ValidateSet('Yes')]
[System.String]
$IsSingleInstance,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[System.String]
$Name
)
$getCimInstanceArguments = @{
Name = 'root\cimv2\power'
Class = 'Win32_PowerPlan'
Filter = "ElementName = '$Name'"
}
try
{
$plan = Get-CimInstance @getCimInstanceArguments
}
catch
{
New-InvalidOperationException `
-Message ($script:localizedData.PowerPlanCimError -f $getCimInstanceArguments.Class)
}
if ($plan)
{
if ($plan.IsActive)
{
Write-Verbose -Message ($script:localizedData.PowerPlanIsActive -f $Name)
$activePlanName = $Name
}
else
{
Write-Verbose -Message ($script:localizedData.PowerPlanIsNotActive -f $Name)
$activePlanName = $null
}
}
else
{
New-InvalidOperationException `
-Message ($script:localizedData.PowerPlanNotFound -f $Name)
}
return @{
IsSingleInstance = $IsSingleInstance
Name = $activePlanName
}
}
<#
.SYNOPSIS
Assign the power plan to the node.
.PARAMETER IsSingleInstance
Specifies the resource is a single instance, the value must be 'Yes'.
.PARAMETER Name
Specifies the name of the power plan to assign to the node.
.EXAMPLE
Set-TargetResource -IsSingleInstance 'Yes' -Name 'High performance'
#>
function Set-TargetResource
{
[CmdletBinding()]
param
(
# This is best practice when writing a single-instance DSC resource.
[Parameter(Mandatory = $true)]
[ValidateSet('Yes')]
[System.String]
$IsSingleInstance,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[System.String]
$Name
)
Write-Verbose -Message ($script:localizedData.PowerPlanIsBeingActivated -f $Name)
$getCimInstanceArguments = @{
Name = 'root\cimv2\power'
Class = 'Win32_PowerPlan'
Filter = "ElementName = '$Name'"
}
try
{
$plan = Get-CimInstance @getCimInstanceArguments
}
catch
{
New-InvalidOperationException `
-Message ($script:localizedData.PowerPlanCimError -f $getCimInstanceArguments.Class)
}
try
{
$plan | Invoke-CimMethod -MethodName Activate
}
catch
{
New-InvalidOperationException `
-Message ($script:localizedData.PowerPlanWasUnableToBeSet -f $Name, $_.Exception.Message)
}
}
<#
.SYNOPSIS
Tests if the power plan is assigned to the node.
.PARAMETER IsSingleInstance
Specifies the resource is a single instance, the value must be 'Yes'.
.PARAMETER Name
Specifies the name of the power plan to assign to the node.
.EXAMPLE
Test-TargetResource -IsSingleInstance 'Yes' -Name 'High performance'
#>
function Test-TargetResource
{
[CmdletBinding()]
[OutputType([System.Boolean])]
param
(
# This is best practice when writing a single-instance DSC resource.
[Parameter(Mandatory = $true)]
[ValidateSet('Yes')]
[System.String]
$IsSingleInstance,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[System.String]
$Name
)
$returnValue = $false
Write-Verbose -Message ($script:localizedData.PowerPlanIsBeingValidated -f $Name)
$getTargetResourceResult = Get-TargetResource -IsSingleInstance $IsSingleInstance -Name $Name
if ($getTargetResourceResult.Name -eq $Name)
{
$returnValue = $true
}
return $returnValue
}
Export-ModuleMember -Function *-TargetResource