functions/Get-AzResourceTags.ps1
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function Get-AzResourceTags { <# Get all tags from all resources in all resource groups in all subscriptions in a tenant. Defines which Policy as Code (PAC) environment we are using, if omitted, the script prompts for a value. The values are read from `$DefinitionsRootFolder/global-settings.jsonc. Definitions folder path. Defaults to environment variable `$env:PAC_DEFINITIONS_FOLDER or './Definitions'. Output file name. Defaults to environment variable `$env:PAC_OUTPUT_FOLDER/Tags/all-tags.csv or './Outputs/Tags/all-tags.csv'. Set to false if used non-interactive .\Get-AzResourceTags.ps1 -PacEnvironmentSelector "dev" -DefinitionsRootFolder "C:\Src\Definitions" -OutputFolder "C:\Src\Outputs" -Interactive $true Get all tags from all resources in all resource groups in all subscriptions in a tenant. .\Get-AzResourceTags.ps1 -Interactive $true Get all tags from all resources in all resource groups in all subscriptions in a tenant. The script prompts for the PAC environment and uses the default definitions and output folders. #> [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 = $false, HelpMessage = "Output file name. Defaults to environment variable `$env:PAC_OUTPUT_FOLDER/Tags/all-tags.csv or './Outputs/Tags/all-tags.csv'.")] [string] $OutputFileName, [Parameter(Mandatory = $false, HelpMessage = "Set to false if used non-interactive")] [bool] $Interactive = $true ) # Dot Source Helper Scripts $InformationPreference = "Continue" $pacEnvironment = Select-PacEnvironment $PacEnvironmentSelector -DefinitionsRootFolder $DefinitionsRootFolder -OutputFolder $OutputFolder -Interactive $Interactive $null = Set-AzCloudTenantSubscription -Cloud $pacEnvironment.cloud -TenantId $pacEnvironment.tenantId -subscriptionId $pacEnvironment.defaultSubscriptionId -Interactive $pacEnvironment.interactive $targetTenant = $pacEnvironment.targetTenant if ($OutputFileName -eq "") { $OutputFileName = "$($pacEnvironment.outputFolder)/Tags/all-tags.csv" } $subscriptionList = Get-AzSubscription -TenantId $targetTenant $subscriptionList | Format-Table | Out-Default Write-Information "===================================================================================================" Write-Information "Processing" Write-Information "===================================================================================================" foreach ($subscription in $subscriptionList) { Try { $null = (Set-AzContext -SubscriptionId $subscription) } catch [Exception] { write-host ("Error occurred: " + $($_.Exception.Message)) -ForegroundColor Red; Exit } Write-Host "Azure Login Session successful" -ForegroundColor Green -BackgroundColor Black # Initialise output array $Output = [System.Collections.ArrayList]::new() $ResourceGroups = Get-AzResourceGroup foreach ($ResourceGroup in $ResourceGroups) { Write-Host "Resource Group =$($ResourceGroup.ResourceGroupName)" $resourceNames = Get-AzResource -ResourceGroupName $ResourceGroup.ResourceGroupName $tags = Get-AzTag -ResourceId $ResourceGroup.ResourceId foreach ($key in $tags.Properties.TagsProperty.Keys) { $csvObject = New-Object PSObject Add-Member -InputObject $csvObject -memberType NoteProperty -Name "ResourceID" -value $ResourceGroup.ResourceID Add-Member -InputObject $csvObject -memberType NoteProperty -Name "ResourceGroup" -value $ResourceGroup.ResourceGroupName Add-Member -InputObject $csvObject -memberType NoteProperty -Name "ResourceName" -value '' Add-Member -InputObject $csvObject -memberType NoteProperty -Name "TagKey" -value $key Add-Member -InputObject $csvObject -memberType NoteProperty -Name "Value" -value $tags.Properties.TagsProperty.Item($($key)) $null = $Output.Add($csvObject) #$Output += "`t ResourceGroup = $($ResourceGroup.ResourceGroupName) `t TagKey= $($key) `t Value = $($tags.Properties.TagsProperty.Item($($key)))" Write-Host "`t ResourceGroup = $($ResourceGroup.ResourceGroupName) `t TagKey= $($key) `t Value = $($tags.Properties.TagsProperty.Item($($key)))" } foreach ($res in $resourceNames) { Write-Host "ResourceName = $($res.Name)" $tags = Get-AzTag -ResourceId $res.ResourceId foreach ($key in $tags.Properties.TagsProperty.Keys) { $csvObject = New-Object PSObject Add-Member -InputObject $csvObject -memberType NoteProperty -Name "ResourceID" -value $ResourceGroup.ResourceID Add-Member -InputObject $csvObject -memberType NoteProperty -Name "ResourceGroup" -value $ResourceGroup.ResourceGroupName Add-Member -InputObject $csvObject -memberType NoteProperty -Name "ResourceName" -value $res.Name Add-Member -InputObject $csvObject -memberType NoteProperty -Name "TagKey" -value $key Add-Member -InputObject $csvObject -memberType NoteProperty -Name "Value" -value $tags.Properties.TagsProperty.Item($($key)) $null = $Output.Add($csvObject) #$Output += "`t ResourceGroup = $($ResourceGroup.ResourceGroupName) `t TagKey= $($key) `t Value = $($tags.Properties.TagsProperty.Item($($key)))" Write-Host "`t `t ResourceID = $($ResourceGroup.ResourceId) `t ResourceGroup = $($ResourceGroup.ResourceGroupName) `t ResourceName = $($res.Name) `t TagKey= $($key) `t Value = $($tags.Properties.TagsProperty.Item($($key)))" } } } if (-not (Test-Path $OutputFileName)) { New-Item $OutputFileName -Force } $Output | Export-Csv -Path $OutputFileName -NoClobber -NoTypeInformation -Append -Encoding UTF8 -Force } } |