DSCResources/MSFT_xADReplicationSubnet/MSFT_xADReplicationSubnet.psm1
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$script:resourceModulePath = Split-Path -Path (Split-Path -Path $PSScriptRoot -Parent) -Parent $script:modulesFolderPath = Join-Path -Path $script:resourceModulePath -ChildPath 'Modules' $script:localizationModulePath = Join-Path -Path $script:modulesFolderPath -ChildPath 'xActiveDirectory.Common' Import-Module -Name (Join-Path -Path $script:localizationModulePath -ChildPath 'xActiveDirectory.Common.psm1') $script:localizedData = Get-LocalizedData -ResourceName 'MSFT_xADReplicationSubnet' <# .SYNOPSIS Returns the current state of the replication subnet. .PARAMETER Name The name of the AD replication subnet, e.g. 10.0.0.0/24. .PARAMETER Site The name of the assigned AD replication site, e.g. Default-First-Site-Name. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Name, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Site ) <# Get the replication subnet filtered by it's name. If the subnet is not present, the command will return $null. #> Write-Verbose -Message ($script:localizedData.GetReplicationSubnet -f $Name) $replicationSubnet = Get-ADReplicationSubnet -Filter { Name -eq $Name } if ($null -eq $replicationSubnet) { # Replication subnet not found, return absent. Write-Verbose -Message ($script:localizedData.ReplicationSubnetAbsent -f $Name) $returnValue = @{ Ensure = 'Absent' Name = $Name Site = '' Location = '' } } else { # Get the name of the replication site, if it's not empty. $replicationSiteName = '' if ($null -ne $replicationSubnet.Site) { $replicationSiteName = Get-ADObject -Identity $replicationSubnet.Site | Select-Object -ExpandProperty 'Name' } # Replication subnet found, return present. Write-Verbose -Message ($script:localizedData.ReplicationSubnetPresent -f $Name) $returnValue = @{ Ensure = 'Present' Name = $Name Site = $replicationSiteName Location = [System.String] $replicationSubnet.Location } } return $returnValue } <# .SYNOPSIS Add, remove or update the replication subnet. .PARAMETER Ensure Specifies if the AD replication subnet should be added or remove. Default value is 'Present'. .PARAMETER Name The name of the AD replication subnet, e.g. 10.0.0.0/24. .PARAMETER Site The name of the assigned AD replication site, e.g. Default-First-Site-Name. .PARAMETER Location The location for the AD replication site. Default value is empty. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Name, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Site, [Parameter()] [System.String] $Location = '' ) <# Get the replication subnet filtered by it's name. If the subnet is not present, the command will return $null. #> $replicationSubnet = Get-ADReplicationSubnet -Filter { Name -eq $Name } if ($Ensure -eq 'Present') { # Add the replication subnet, if it does not exist. if ($null -eq $replicationSubnet) { Write-Verbose -Message ($script:localizedData.CreateReplicationSubnet -f $Name) $replicationSubnet = New-ADReplicationSubnet -Name $Name -Site $Site -PassThru } <# Get the name of the replication site, if it's not empty and update the site if it's not vaild. #> if ($null -ne $replicationSubnet.Site) { $replicationSiteName = Get-ADObject -Identity $replicationSubnet.Site | Select-Object -ExpandProperty 'Name' } if ($replicationSiteName -ne $Site) { Write-Verbose -Message ($script:localizedData.SetReplicationSubnetSite -f $Name, $Site) Set-ADReplicationSubnet -Identity $replicationSubnet.DistinguishedName -Site $Site -PassThru } <# Update the location, if it's not valid. Ensure an empty location string is converted to $null, because the Set-ADReplicationSubnet does not accept an empty string for the location, but $null. #> $nullableLocation = $Location if ([System.String]::IsNullOrEmpty($Location)) { $nullableLocation = $null } if ($replicationSubnet.Location -ne $nullableLocation) { Write-Verbose -Message ($script:localizedData.SetReplicationSubnetLocation -f $Name, $nullableLocation) Set-ADReplicationSubnet -Identity $replicationSubnet.DistinguishedName -Location $nullableLocation -PassThru } } if ($Ensure -eq 'Absent') { # Remove the replication subnet, if it exists. if ($null -ne $replicationSubnet) { Write-Verbose -Message ($script:localizedData.RemoveReplicationSubnet -f $Name) Remove-ADReplicationSubnet -Identity $replicationSubnet.DistinguishedName -Confirm:$false } } } <# .SYNOPSIS Test the replication subnet. .PARAMETER Ensure Specifies if the AD replication subnet should be added or remove. Default value is 'Present'. .PARAMETER Name The name of the AD replication subnet, e.g. 10.0.0.0/24. .PARAMETER Site The name of the assigned AD replication site, e.g. Default-First-Site-Name. .PARAMETER Location The location for the AD replication site. Default value is empty. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Name, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $Site, [Parameter()] [System.String] $Location = '' ) $currentConfiguration = Get-TargetResource -Name $Name -Site $Site $desiredConfigurationMatch = $currentConfiguration.Ensure -eq $Ensure if ($Ensure -eq 'Present') { $desiredConfigurationMatch = $desiredConfigurationMatch -and $currentConfiguration.Site -eq $Site -and $currentConfiguration.Location -eq $Location } if ($desiredConfigurationMatch) { Write-Verbose -Message ($script:localizedData.ReplicationSubnetInDesiredState -f $Name) } else { Write-Verbose -Message ($script:localizedData.ReplicationSubnetNotInDesiredState -f $Name) } return $desiredConfigurationMatch } |