functions/Get-AzExemptions.ps1
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function Get-AzExemptions { [CmdletBinding()] param( [parameter(Mandatory = $false, HelpMessage = "Defines which Policy as Code (PAC) environment we are using, if omitted, the script prompts for a value. The values are read from `$DefinitionsRootFolder/global-settings.jsonc.", Position = 0)] [string] $PacEnvironmentSelector, [Parameter(Mandatory = $false, HelpMessage = "Definitions folder path. Defaults to environment variable `$env:PAC_DEFINITIONS_FOLDER or './Definitions'.")] [string]$DefinitionsRootFolder, [Parameter(Mandatory = $false, HelpMessage = "Output Folder. Defaults to environment variable `$env:PAC_OUTPUT_FOLDER or './Outputs'.")] [string] $OutputFolder, [Parameter(Mandatory = $false, HelpMessage = "Set to false if used non-interactive")] [bool] $interactive = $true ) $InformationPreference = "Continue" $pacEnvironment = Select-PacEnvironment $PacEnvironmentSelector -definitionsRootFolder $DefinitionsRootFolder -outputFolder $OutputFolder -interactive $interactive Set-AzCloudTenantSubscription -cloud $pacEnvironment.cloud -tenantId $pacEnvironment.tenantId -interactive $pacEnvironment.interactive $outputPath = "$($pacEnvironment.outputFolder)/Exemptions/$($pacEnvironment.pacEnvironmentSelector)" if (-not (Test-Path $outputPath)) { New-Item $outputPath -Force -ItemType directory } $scopeTable = Get-AzScopeTree -pacEnvironment $pacEnvironment $deployedPolicyResources = Get-AzPolicyResources -pacEnvironment $pacEnvironment -scopeTable $scopeTable -skipRoleAssignments $exemptions = $deployedPolicyResources.policyExemptions.managed $assignments = $deployedPolicyResources.policyassignments.managed $numberOfExemptions = $exemptions.Count Write-Information "===================================================================================================" Write-Information "Output Exemption list ($numberOfExemptions)" Write-Information "===================================================================================================" $exemptionsResult = Confirm-ActiveAzExemptions -exemptions $exemptions -assignments $assignments $policyDefinitionReferenceIdsTransform = @{label = "policyDefinitionReferenceIds"; expression = { ($_.policyDefinitionReferenceIds -join ",").ToString() } } $metadataTransform = @{label = "metadata"; expression = { IF ($_.metadata) { (ConvertTo-Json $_.metadata -Depth 100 -Compress).ToString() } Else { '' } } } $expiresInDaysTransform = @{label = "expiresInDays"; expression = { IF ($_.expiresInDays -eq [Int32]::MaxValue) { 'n/a' } Else { $_.expiresInDays } } } foreach ($key in $exemptionsResult.Keys) { [hashtable] $exemptions = $exemptionsResult.$key Write-Information "Output $key Exemption list ($($exemptions.Count))" $valueArray = @() + $exemptions.Values if ($valueArray.Count -gt 0) { $stem = "$outputPath/$($key)-exemptions" # JSON Output $jsonArray = @() + $valueArray | Select-Object -Property ` name, ` displayName, ` description, ` exemptionCategory, ` expiresOn, ` status, ` $expiresInDaysTransform, ` scope, ` policyAssignmentId, ` policyDefinitionReferenceIds, ` metadata $jsonFile = "$($stem).json" if (Test-Path $jsonFile) { Remove-Item $jsonFile } ConvertTo-Json $jsonArray -Depth 100 | Out-File $jsonFile -Force # Spreadsheet outputs (CSV) $excelArray = @() + $valueArray | Select-Object -Property ` name, ` displayName, ` description, ` exemptionCategory, ` expiresOn, ` status, ` $expiresInDaysTransform, ` scope, ` policyAssignmentId, ` $policyDefinitionReferenceIdsTransform, ` $metadataTransform $csvFile = "$($stem).csv" if (Test-Path $csvFile) { Remove-Item $csvFile } $excelArray | ConvertTo-Csv -UseQuotes AsNeeded | Out-File $csvFile -Force } } } |