Functions/Remove-DryADGPLink.ps1

Using Namespace System.Management.Automation.Runspaces
# DryActiveDirectory is an AD config module for use with DryDeploy, or by itself.
#
# Copyright (C) 2021 Bjørn Henrik Formo (bjornhenrikformo@gmail.com)
# LICENSE: https://raw.githubusercontent.com/bjoernf73/DryActiveDirectory/main/LICENSE
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

Function Remove-DryADGPLink {
    [CmdletBinding(DefaultParameterSetName='Local')]
    Param (
        [Parameter(Mandatory,HelpMessage="Object containing description ov an OU and set of ordered GPLinks")]
        [PSObject]
        $GPOLinkObject,

        [Parameter(Mandatory)]
        [String]
        $DomainFQDN,

        [Parameter(Mandatory)]
        [String]
        $DomainDN,

        [Parameter(Mandatory,ParameterSetName='Remote')]
        [PSSession]
        $PSSession,

        [Parameter(Mandatory,ParameterSetName='Local',
        HelpMessage="For 'Local' sessions, specify the Domain Controller to use")]
        [String]
        $DomainController
    )

    If ($PSCmdLet.ParameterSetName -eq 'Remote') {
        $Server = 'localhost'
        ol v @('Session Type','Remote')
        ol v @('Remoting to Domain Controller',"$($PSSession.ComputerName)")
    }
    Else {
        $Server = $DomainController
        ol v @('Session Type','Local')
        ol v @('Using Domain Controller',"$Server")
    }
  
    # Add the domainDN to $OU if not already done
    If ($GPOLinkObject.Path -notmatch "$DomainDN$") {
        If (($GPOLinkObject.Path).Trim() -eq '') {
            # The domain root
            $GPOLinkObject.Path = $DomainDN
        }
        Else {
            $GPOLinkObject.Path = $GPOLinkObject.Path + ',' + $DomainDN
        }
    }
    ol v @('Linking GPOs to',"$($GPOLinkObject.Path)") 

    Try {
        $RemoveLinkArgumentList = @($GPOLinkObject.Path,$LinkToRemove,$Server)
        $InvokeRemoveLinkParams = @{
            ScriptBlock  = $DryAD_SB_GPLink_Remove
            ArgumentList = $RemoveLinkArgumentList
        }
        If ($PSCmdLet.ParameterSetName -eq 'Remote') {
            $InvokeRemoveLinkParams += @{
                Session = $PSSession
            }
        }
        $RemoveLinkRet = Invoke-Command @InvokeRemoveLinkParams 
        
        If ($RemoveLinkRet[0] -eq $True) {
            ol s "Successfully removed link for GPO '$LinkToRemove'"
        }
        Else {
            Throw $RemoveLinkRet[1]
        }
    }
    Catch {
        $PSCmdLet.ThrowTerminatingError($_)
    }
}