DSCResources/MSFT_EXOAvailabilityConfig/MSFT_EXOAvailabilityConfig.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $OrgWideAccount, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Getting configuration of Availability Config for $OrgWideAccount" Test-MSCloudLogin -CloudCredential $GlobalAdminAccount ` -Platform ExchangeOnline $AvailabilityConfigs = Get-AvailabilityConfig $AvailabilityConfig = ($AvailabilityConfigs | Where-Object -FilterScript { $_.OrgWideAccount -IMatch $OrgWideAccount }) if ($null -eq $AvailabilityConfig) { Write-Verbose -Message "Availability config for $($OrgWideAccount) does not exist." $nullReturn = @{ OrgWideAccount = $OrgWideAccount Ensure = 'Absent' GlobalAdminAccount = $GlobalAdminAccount } return $nullReturn } else { $result = @{ OrgWideAccount = $AvailabilityConfig.OrgWideAccount Ensure = 'Present' GlobalAdminAccount = $GlobalAdminAccount } Write-Verbose -Message "Found Availability Config for $($OrgWideAccount)" return $result } } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $OrgWideAccount, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Setting configuration of Availability Config for account $OrgWideAccount" $currentAvailabilityConfig = Get-TargetResource @PSBoundParameters Test-MSCloudLogin -CloudCredential $GlobalAdminAccount ` -Platform ExchangeOnline # CASE: Availability Config doesn't exist but should; if ($Ensure -eq "Present" -and $currentAvailabilityConfig.Ensure -eq "Absent") { Write-Verbose -Message "Availability Config '$($OrgWideAccount)' does not exist but it should. Create it." New-AvailabilityConfig -OrgWideAccount $OrgWideAccount } # CASE: Availability Config exists but it shouldn't; elseif ($Ensure -eq "Absent" -and $currentAvailabilityConfig.Ensure -eq "Present") { Write-Verbose -Message "Availability Config '$($OrgWideAccount)' exists but it shouldn't. Remove it." Remove-AvailabilityConfig -Confirm:$false } # CASE: Availability Config exists and it should, but has different values than the desired ones elseif ($Ensure -eq "Present" -and $currentAvailabilityConfig.Ensure -eq "Present") { Write-Verbose -Message "Availability Config '$($OrgWideAccount)' already exists, but needs updating." Set-AvailabilityConfig -OrgWideAccount $OrgWideAccount -Confirm:$false } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $OrgWideAccount, [Parameter()] [ValidateSet('Present', 'Absent')] [System.String] $Ensure = 'Present', [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) Write-Verbose -Message "Testing configuration of Availability Config for account $OrgWideAccount" $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-M365DscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-M365DscHashtableToString -Hashtable $PSBoundParameters)" $ValuesToCheck = $PSBoundParameters $ValuesToCheck.Remove('GlobalAdminAccount') | Out-Null $TestResult = Test-Microsoft365DSCParameterState -CurrentValues $CurrentValues ` -DesiredValues $PSBoundParameters ` -ValuesToCheck $ValuesToCheck.Keys Write-Verbose -Message "Test-TargetResource returned $TestResult" return $TestResult } function Export-TargetResource { [CmdletBinding()] [OutputType([System.String])] param ( [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $GlobalAdminAccount ) $InformationPreference = 'Continue' #region Telemetry $data = [System.Collections.Generic.Dictionary[[String], [String]]]::new() $data.Add("Resource", $MyInvocation.MyCommand.ModuleName) $data.Add("Method", $MyInvocation.MyCommand) Add-M365DSCTelemetryEvent -Data $data #endregion Test-MSCloudLogin -CloudCredential $GlobalAdminAccount ` -Platform ExchangeOnline $AvailabilityConfig = Get-AvailabilityConfig if ($null -eq $AvailabilityConfig) { return "" } $Params = @{ OrgWideAccount = $AvailabilityConfig.OrgWideAccount.ToString() GlobalAdminAccount = $GlobalAdminAccount } $result = Get-TargetResource @Params $result.GlobalAdminAccount = Resolve-Credentials -UserName "globaladmin" $content = " EXOAvailabilityConfig " + (New-GUID).ToString() + "`r`n" $content += " {`r`n" $currentDSCBlock = Get-DSCBlock -Params $result -ModulePath $PSScriptRoot $content += Convert-DSCStringParamToVariable -DSCBlock $currentDSCBlock -ParameterName "GlobalAdminAccount" $content += " }`r`n" return $content } Export-ModuleMember -Function *-TargetResource |