DSCResources/MSFT_AADGroupLifecyclePolicy/MSFT_AADGroupLifecyclePolicy.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter(Mandatory = $true)] [System.UInt32] $GroupLifetimeInDays, [Parameter(Mandatory = $true)] [System.String] [ValidateSet('All', 'Selected', 'None')] $ManagedGroupTypes, [Parameter(Mandatory = $true)] [System.String[]] $AlternateNotificationEmails, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' -InboundParameters $PSBoundParameters Write-Verbose -Message 'Getting configuration of AzureAD Groups Lifecycle Policy' #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion try { $nullReturn = $PSBoundParameters $nullReturn.Ensure = 'Absent' try { $Policy = Get-MgGroupLifecyclePolicy -ErrorAction SilentlyContinue } catch { New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential } if ($null -eq $Policy) { return $nullReturn } else { Write-Verbose 'Found existing AzureAD Groups Lifecycle Policy' $result = @{ IsSingleInstance = 'Yes' GroupLifetimeInDays = $Policy.GroupLifetimeInDays ManagedGroupTypes = $Policy.ManagedGroupTypes AlternateNotificationEmails = $Policy.AlternateNotificationEmails.Split(';') Ensure = 'Present' Credential = $Credential ApplicationId = $ApplicationId ApplicationSecret = $ApplicationSecret TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent } Write-Verbose -Message "Get-TargetResource Result: `n $(Convert-M365DscHashtableToString -Hashtable $result)" return $result } } catch { New-M365DSCLogEntry -Message 'Error retrieving data:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return $nullReturn } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter(Mandatory = $true)] [System.UInt32] $GroupLifetimeInDays, [Parameter(Mandatory = $true)] [System.String] [ValidateSet('All', 'Selected', 'None')] $ManagedGroupTypes, [Parameter(Mandatory = $true)] [System.String[]] $AlternateNotificationEmails, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) Write-Verbose -Message 'Setting configuration of Azure AD Groups Lifecycle Policy' #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' -InboundParameters $PSBoundParameters try { $policy = Get-MgGroupLifecyclePolicy -ErrorAction SilentlyContinue } catch { Write-Verbose -Message $_ return } $currentPolicy = Get-TargetResource @PSBoundParameters if ($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Absent') { Write-Verbose -Message "The Group Lifecycle Policy should exist but it doesn't. Creating it." $creationParams = $PSBoundParameters $creationParams.Remove('IsSingleInstance') $creationParams.Remove('Credential') $creationParams.Remove('ApplicationId') $creationParams.Remove('TenantId') $creationParams.Remove('CertificateThumbprint') $creationParams.Remove('ManagedIdentity') $creationParams.Remove('Ensure') $emails = '' foreach ($email in $creationParams.AlternateNotificationEmails) { $emails += $email + ';' } $emails = $emails.TrimEnd(';') $creationParams.AlternateNotificationEmails = $emails New-MgGroupLifecyclePolicy @creationParams } elseif ($Ensure -eq 'Present' -and $currentPolicy.Ensure -eq 'Present') { $updateParams = $PSBoundParameters $updateParams.Remove('IsSingleInstance') $updateParams.Remove('Credential') $updateParams.Remove('ApplicationId') $updateParams.Remove('TenantId') $updateParams.Remove('CertificateThumbprint') $updateParams.Remove('ManagedIdentity') $updateParams.Remove('Ensure') $emails = '' foreach ($email in $updateParams.AlternateNotificationEmails) { $emails += $email + ';' } $emails = $emails.TrimEnd(';') $updateParams.AlternateNotificationEmails = $emails $updateParams.Add('GroupLifecyclePolicyId', (Get-MgGroupLifecyclePolicy).Id) Write-Verbose -Message "The Group Lifecycle Policy exists but it's not in the Desired State. Updating it." Update-MgGroupLifecyclePolicy @updateParams } elseif ($Ensure -eq 'Absent' -and $currentPolicy.Ensure -eq 'Present') { Write-Verbose -Message 'The Group Lifecycle Policy should NOT exist but it DOES. Removing it.' Remove-MgGroupLifecyclePolicy -GroupLifecyclePolicyId (Get-MgGroupLifecyclePolicy).Id } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] [ValidateSet('Yes')] $IsSingleInstance, [Parameter(Mandatory = $true)] [System.UInt32] $GroupLifetimeInDays, [Parameter(Mandatory = $true)] [System.String] [ValidateSet('All', 'Selected', 'None')] $ManagedGroupTypes, [Parameter(Mandatory = $true)] [System.String[]] $AlternateNotificationEmails, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion Write-Verbose -Message 'Testing configuration of AzureAD Groups Lifecycle Policy' $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $ValuesToCheck = $PSBoundParameters $ValuesToCheck.Remove('Credential') | Out-Null $ValuesToCheck.Remove('ManagedIdentity') | Out-Null $TestResult = Test-M365DSCParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $ValuesToCheck.Keys Write-Verbose -Message "Test-TargetResource returned $TestResult" return $TestResult } function Export-TargetResource { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter()] [System.Management.Automation.PSCredential] $Credential, [Parameter()] [System.String] $ApplicationId, [Parameter()] [System.String] $TenantId, [Parameter()] [System.Management.Automation.PSCredential] $ApplicationSecret, [Parameter()] [System.String] $CertificateThumbprint, [Parameter()] [Switch] $ManagedIdentity ) $ConnectionMode = New-M365DSCConnection -Workload 'MicrosoftGraph' -InboundParameters $PSBoundParameters #Ensure the proper dependencies are installed in the current environment. Confirm-M365DSCDependencies #region Telemetry $ResourceName = $MyInvocation.MyCommand.ModuleName -replace 'MSFT_', '' $CommandName = $MyInvocation.MyCommand $data = Format-M365DSCTelemetryParameters -ResourceName $ResourceName ` -CommandName $CommandName ` -Parameters $PSBoundParameters Add-M365DSCTelemetryEvent -Data $data #endregion $organization = '' $principal = '' # Principal represents the "NetBios" name of the tenant (e.g. the M365DSC part of M365DSC.onmicrosoft.com) try { if ($ConnectionMode -eq 'ServicePrincipalWithThumbprint') { $organization = Get-M365DSCTenantDomain -ApplicationId $ApplicationId ` -TenantId $TenantId -CertificateThumbprint $CertificateThumbprint } elseif ($ConnectionMode -eq 'ServicePrincipalWithSecret') { $organization = Get-M365DSCTenantDomain -ApplicationId $ApplicationId ` -TenantId $TenantId -ApplicationSecret $ApplicationSecret } elseif ($ConnectionMode -eq 'ManagedIdentity') { $organization = $TenantId } else { if ($null -ne $Credential -and $Credential.UserName.Contains('@')) { $organization = $Credential.UserName.Split('@')[1] } } if ($organization.IndexOf('.') -gt 0) { $principal = $organization.Split('.')[0] } try { $Policy = Get-MgGroupLifecyclePolicy -ErrorAction SilentlyContinue } catch { Write-Host $Global:M365DSCEmojiGreenCheckMark return '' } $dscContent = '' $Params = @{ Credential = $Credential IsSingleInstance = 'Yes' GroupLifetimeInDays = 1 ManagedGroupTypes = 'All' AlternateNotificationEmails = 'empty@contoso.com' ApplicationId = $ApplicationId ApplicationSecret = $ApplicationSecret TenantId = $TenantId CertificateThumbprint = $CertificateThumbprint Managedidentity = $ManagedIdentity.IsPresent } $Results = Get-TargetResource @Params if ($Results.Ensure -eq 'Present') { $Results = Update-M365DSCExportAuthenticationResults -ConnectionMode $ConnectionMode ` -Results $Results $currentDSCBlock = Get-M365DSCExportContentForResource -ResourceName $ResourceName ` -ConnectionMode $ConnectionMode ` -ModulePath $PSScriptRoot ` -Results $Results ` -Credential $Credential $dscContent += $currentDSCBlock Save-M365DSCPartialExport -Content $currentDSCBlock ` -FileName $Global:PartialExportFileName } Write-Host $Global:M365DSCEmojiGreenCheckMark return $dscContent } catch { Write-Host $Global:M365DSCEmojiRedX New-M365DSCLogEntry -Message 'Error during Export:' ` -Exception $_ ` -Source $($MyInvocation.MyCommand.Source) ` -TenantId $TenantId ` -Credential $Credential return '' } } Export-ModuleMember -Function *-TargetResource |