dbatools

1.0.166

functions/Get-DbaPowerPlan.ps1

                                function Get-DbaPowerPlan {

    <#

    .SYNOPSIS

        Gets the Power Plan settings for compliance with best practices, which recommend High Performance for SQL Server.

    .DESCRIPTION

        Gets the Power Plan settings on a computer against best practices recommendations.

    .PARAMETER ComputerName

        The server(s) to check Power Plan settings on.

    .PARAMETER Credential

        Specifies a PSCredential object to use in authenticating to the server(s), instead of the current user account.

    .PARAMETER EnableException

        By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.

        This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting.

        Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch.

    .NOTES

        Tags: PowerPlan

        Author: Chrissy LeMaire (@cl), netnerds.net

        Website: https://dbatools.io

        Copyright: (c) 2018 by dbatools, licensed under MIT

        License: MIT https://opensource.org/licenses/MIT

    .LINK

        https://dbatools.io/Get-DbaPowerPlan

    .EXAMPLE

        PS C:\> Get-DbaPowerPlan -ComputerName sql2017

        Gets the Power Plan settings for sql2017

    .EXAMPLE

        PS C:\> Get-DbaPowerPlan -ComputerName sql2017 -Credential ad\admin

        Gets the Power Plan settings for sql2017 using an alternative credential

    #>

    param (

        [parameter(Mandatory, ValueFromPipeline)]

        [DbaInstance[]]$ComputerName,

        [PSCredential]$Credential,

        [switch]$EnableException

    )

    process {

        foreach ($computer in $ComputerName) {

            $null = Test-ElevationRequirement -ComputerName $computer -Continue

            $server = Resolve-DbaNetworkName -ComputerName $computer -Credential $Credential

            $computerResolved = $server.FullComputerName

            if (-not $computerResolved) {

                Stop-Function -Message "Couldn't resolve hostname. Skipping." -Continue

            }

            $splatDbaCmObject = @{

                ComputerName    = $computerResolved

                EnableException = $true

            }

            if (Test-Bound "Credential") {

                $splatDbaCmObject["Credential"] = $Credential

            }

            Write-Message -Level Verbose -Message "Getting Power Plan information from $computer."

            try {

                $powerPlans = Get-DbaCmObject @splatDbaCmObject -ClassName Win32_PowerPlan -Namespace "root\cimv2\power" | Select-Object ElementName, InstanceId, IsActive

            } catch {

                if ($_.Exception -match "namespace") {

                    Stop-Function -Message "Can't get Power Plan Info for $computer. Unsupported operating system." -Continue -ErrorRecord $_ -Target $computer

                } else {

                    Stop-Function -Message "Can't get Power Plan Info for $computer. Check logs for more details." -Continue -ErrorRecord $_ -Target $computer

                }

            }

            $powerPlan = $powerPlans | Where-Object IsActive -eq 'True' | Select-Object ElementName, InstanceID

            $powerPlan.InstanceID = $powerPlan.InstanceID.Split('{')[1].Split('}')[0]

            if ($null -eq $powerPlan.InstanceID) {

                $powerPlan.ElementName = "Unknown"

            }

            [PSCustomObject]@{

                ComputerName = $computer

                InstanceId   = $powerPlan.InstanceID

                PowerPlan    = $powerPlan.ElementName

                Credential   = $Credential

            } | Select-DefaultView -ExcludeProperty Credential, InstanceId

        }

    }

}

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