DSCResources/MSFT_xADDomainController/MSFT_xADDomainController.psm1
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# # xADDomainController: DSC resource to install a domain controller in Active # Directory. # ## Import the common AD functions $adCommonFunctions = Join-Path ` -Path (Split-Path -Path $PSScriptRoot -Parent) ` -ChildPath '\MSFT_xADCommon\MSFT_xADCommon.psm1' Import-Module -Name $adCommonFunctions function Get-TargetResource { [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory)] [String]$DomainName, [Parameter(Mandatory)] [PSCredential]$DomainAdministratorCredential, [Parameter(Mandatory)] [PSCredential]$SafemodeAdministratorPassword, [String]$DatabasePath, [String]$LogPath, [String]$SysvolPath, [String]$SiteName ) $returnValue = @{ DomainName = $DomainName Ensure = $false } try { Write-Verbose -Message "Resolving '$($DomainName)' ..." $domain = Get-ADDomain -Identity $DomainName -Credential $DomainAdministratorCredential if ($domain -ne $null) { Write-Verbose -Message "Domain '$($DomainName)' is present. Looking for DCs ..." try { $dc = Get-ADDomainController -Identity $env:COMPUTERNAME -Credential $DomainAdministratorCredential Write-Verbose -Message "Found domain controller '$($dc.Name)' in domain '$($dc.Domain)'." if ($dc.Domain -eq $DomainName) { Write-Verbose -Message "Current node '$($dc.Name)' is already a domain controller for domain '$($dc.Domain)'." $serviceNTDS = Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Services\NTDS\Parameters' $serviceNETLOGON = Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters' $returnValue.Ensure = $true $returnValue.DatabasePath = $serviceNTDS.'DSA Working Directory' $returnValue.LogPath = $serviceNTDS.'Database log files path' $returnValue.SysvolPath = $serviceNETLOGON.SysVol -replace '\\sysvol$', '' $returnValue.SiteName = $dc.Site } } catch { if ($error[0]) {Write-Verbose $error[0].Exception} Write-Verbose -Message "Current node does not host a domain controller." } } } catch [System.Management.Automation.CommandNotFoundException] { if ($error[0]) {Write-Verbose $error[0].Exception} Write-Verbose -Message "Current node is not running AD WS, and hence is not a domain controller." } $returnValue } function Set-TargetResource { param ( [Parameter(Mandatory)] [String]$DomainName, [Parameter(Mandatory)] [PSCredential]$DomainAdministratorCredential, [Parameter(Mandatory)] [PSCredential]$SafemodeAdministratorPassword, [String]$DatabasePath, [String]$LogPath, [String]$SysvolPath, [String]$SiteName ) # Debug can pause Install-ADDSDomainController, so we remove it. $parameters = $PSBoundParameters.Remove("Debug"); $targetResource = Get-TargetResource @PSBoundParameters if ($targetResource.Ensure -eq $false) { ## Node is not a domain controllr so we promote it Write-Verbose -Message "Checking if domain '$($DomainName)' is present ..." $domain = $null; try { $domain = Get-ADDomain -Identity $DomainName -Credential $DomainAdministratorCredential } catch { if ($error[0]) {Write-Verbose $error[0].Exception} throw (New-Object -TypeName System.InvalidOperationException -ArgumentList "Domain '$($DomainName)' could not be found.") } Write-Verbose -Message "Verified that domain '$($DomainName)' is present, continuing ..." $params = @{ DomainName = $DomainName SafeModeAdministratorPassword = $SafemodeAdministratorPassword.Password Credential = $DomainAdministratorCredential NoRebootOnCompletion = $true Force = $true } if ($DatabasePath -ne $null) { $params.Add("DatabasePath", $DatabasePath) } if ($LogPath -ne $null) { $params.Add("LogPath", $LogPath) } if ($SysvolPath -ne $null) { $params.Add("SysvolPath", $SysvolPath) } if ($SiteName -ne $null -and $SiteName -ne "") { $params.Add("SiteName", $SiteName) } Install-ADDSDomainController @params Write-Verbose -Message "Node is now a domain controller for '$($DomainName)'." # Signal to the LCM to reboot the node to compensate for the one we # suppressed from Install-ADDSDomainController $global:DSCMachineStatus = 1 } elseif ($targetResource.Ensure) { ## Node is a domain controller. We check if other properties are in desired state if ($PSBoundParameters["SiteName"] -and $targetResource.SiteName -ne $SiteName) { ## DC is not in correct site. Move it. Write-Verbose "Moving Domain Controller from '$($targetResource.SiteName)' to '$SiteName'" Move-ADDirectoryServer -Identity $env:COMPUTERNAME -Site $SiteName -Credential $DomainAdministratorCredential } } } function Test-TargetResource { [OutputType([System.Boolean])] param ( [Parameter(Mandatory)] [String]$DomainName, [Parameter(Mandatory)] [PSCredential]$DomainAdministratorCredential, [Parameter(Mandatory)] [PSCredential]$SafemodeAdministratorPassword, [String]$DatabasePath, [String]$LogPath, [String]$SysvolPath, [String]$SiteName ) if ($PSBoundParameters.SiteName) { if (-not (Test-ADReplicationSite -SiteName $SiteName -DomainName $DomainName -Credential $DomainAdministratorCredential)) { throw (New-Object -TypeName System.InvalidOperationException -ArgumentList "Site '$($SiteName)' could not be found.") } } $isCompliant = $true try { $parameters = $PSBoundParameters.Remove("Debug"); $existingResource = Get-TargetResource @PSBoundParameters $isCompliant = $existingResource.Ensure if ([System.String]::IsNullOrEmpty($SiteName)) { #If SiteName is not specified confgiuration is compliant } elseif ($existingResource.SiteName -ne $SiteName) { Write-Verbose "Domain Controller Site is not in a desired state. Expected '$SiteName', actual '$($existingResource.SiteName)'" $isCompliant = $false } } catch { if ($error[0]) {Write-Verbose $error[0].Exception} Write-Verbose -Message "Domain '$($DomainName)' is NOT present on the current node." $isCompliant = $false } $isCompliant } Export-ModuleMember -Function *-TargetResource |