How to delete all resources from all resource group in a specific subscription[dangerous interactive script that delete all resources]

How to delete all resources from all resource group in a specific subscription[dangerous interactive script that delete all resources]

#================================================================

#= Very dangerous interactive script that delete all rescources 

#= from all rescourcegroup in a specific subscription

#================================================================

# How to install and configure Azure PowerShell

# https://docs.microsoft.com/en-us/powershell/azureps-cmdlets-docs/

# Login

Login-AzureRmAccount 

# Get a list of all Azure subscription  that the user can access

$allSubs = Get-AzureRmSubscription 

$allSubs | Sort-Object Name | Format-Table -Property Name, SubscriptionId, State

$theSub = Read-Host "Enter the subscriptionId you want to clean"

Write-Host "You select the following subscription. (it will be display 15 sec.)" -ForegroundColor Cyan

Get-AzureRmSubscription -SubscriptionId $theSub | Select-AzureRmSubscription 

# Get all the resources groups

$allRG = Get-AzureRmResourceGroup

foreach ( $g in $allRG){

    Write-Host $g.ResourceGroupName -ForegroundColor Yellow 

    Write-Host "------------------------------------------------------`n" -ForegroundColor Yellow 

    

    # Using -ODataQuery is compatible with AzureRM 5.x and AzureRM 6.x. -ResourceGroupName is only in 6.x

    $query = "`$filter=resourceGroup eq '{0}'" -f $g.ResourceGroupName

    $allResources = Get-AzureRmResource -ODataQuery $query

    

    if($allResources){

        $allResources | Format-Table -Property Name, ResourceName

    }else{

         Write-Host "-- empty--`n"

    } 

    Write-Host "`n`n------------------------------------------------------" -ForegroundColor Yellow 

}

#exit

$lastValidation = Read-Host "Do you wish to delete ALL the resources previously listed? (YES/ NO)"

if($lastValidation.ToLower().Equals("yes")){

    foreach ( $g in $allRG){

        Write-Host "Deleting " $g.ResourceGroupName 

        # Last safety, you need to remove the -WhatIf parameter to really delete the resources

        Remove-AzureRmResourceGroup -Name $g.ResourceGroupName -Force -WhatIf

    }

}else{

     Write-Host "Aborded. Nothing was deleted." -ForegroundColor Cyan

}