Scripts/Get-AzureActivityLogs.ps1
function Get-ActivityLogs { <# .SYNOPSIS Retrieves the Activity logs. .DESCRIPTION The Get-ActivityLogs cmdlet collects the Azure Activity logs. The output will be written to: Output\ActivityLogs\$date\$iD-ActivityLog.json .PARAMETER StartDate startDate is the parameter specifying the start date of the date range. Default: Today -89 days .PARAMETER EndDate endDate is the parameter specifying the end date of the date range. Default: Now .PARAMETER SubscriptionID SubscriptionID is the parameter specifies the subscription ID for which the collection of Activity logs is required. Default: All subscriptions .PARAMETER OutputDir OutputDir is the parameter specifying the output directory. Default: Output\ActivityLogs .PARAMETER Encoding Encoding is the parameter specifying the encoding of the JSON output file. Default: UTF8 .PARAMETER LogLevel Specifies the level of logging: None: No logging Minimal: Critical errors only Standard: Normal operational logging Default: Standard .EXAMPLE Get-ActivityLogs Get all the activity logs for all subscriptions connected to the logged-in user account for the last 89 days. .EXAMPLE Get-ActivityLogs -EndDate 2024-04-12 Get all the activity logs before 2024-04-12. .EXAMPLE Get-ActivityLogs -StartDate 2024-04-12 Get all the activity logs after 2024-04-12. .EXAMPLE Get-ActivityLogs -SubscriptionID "4947f939-cf12-4329-960d-4dg68a3eb66f" Get all the activity logs for the subscription 4947f939-cf12-4329-960d-4dg68a3eb66f #> [CmdletBinding()] param( [string]$StartDate, [string]$EndDate, [string]$SubscriptionID, [string]$OutputDir = "Output\ActivityLogs", [string]$Encoding = "UTF8", [ValidateSet('None', 'Minimal', 'Standard')] [string]$LogLevel = 'Standard' ) Set-LogLevel -Level ([LogLevel]::$LogLevel) $summary = @{ TotalRecords = 0 TotalFiles = 0 SubscriptionsProcessed = 0 SubscriptionsWithData = 0 EmptySubscriptions = 0 StartTime = Get-Date ProcessingTime = $null } Write-LogFile -Message "=== Starting Azure Activity Log Collection ===" -Color "Cyan" -Level Minimal StartDate -Quiet EndDate -Quiet Write-LogFile -Message "Start Date: $($script:StartDate.ToString('yyyy-MM-dd HH:mm:ss'))" -Level Standard Write-LogFile -Message "End Date: $($script:EndDate.ToString('yyyy-MM-dd HH:mm:ss'))" -Level Standard Write-LogFile -Message "Output Directory: $OutputDir" -Level Standard Write-LogFile -Message "----------------------------------------`n" -Level Standard if (!(test-path $OutputDir)) { New-Item -ItemType Directory -Force -Name $OutputDir > $null } else { if (!(Test-Path -Path $OutputDir)) { Write-LogFile -Message "[Error] Custom directory invalid: $OutputDir" -Level Minimal -Color "Red" return } } $originalWarningPreference = $WarningPreference $WarningPreference = 'SilentlyContinue' try { $encryptedToken = (Get-AzAccessToken -ResourceUrl "https://management.azure.com" -AsSecureString).token $accessToken = [PSCredential]::new("token", $encryptedToken) } catch { write-logFile -Message "[INFO] Ensure you are connected to Azure by running the Connect-AzureAz command before executing this script" -Color "Yellow" -Level Minimal Write-logFile -Message "[ERROR] An error occurred: $($_.Exception.Message)" -Color "Red" -Level Minimal throw } if ($SubscriptionID -eq "") { Write-LogFile -Message "[INFO] Retrieving all available subscriptions..." -Level Standard try { $subscriptionsUri = "https://management.azure.com/subscriptions?api-version=2020-01-01" $headers = @{ Authorization = "Bearer $($accessToken.GetNetworkCredential().Password)" 'Content-Type' = 'application/json' } $subscriptionsResponse = Invoke-RestMethod -Uri $subscriptionsUri -Headers $headers -Method Get $subScription = $subscriptionsResponse.value } catch { write-logFile -Message "[INFO] Ensure you are connected to Azure by running the Connect-AzureAz command before executing this script" -Color "Yellow" -Level Minimal Write-logFile -Message "[ERROR] An error occurred: $($_.Exception.Message)" -Color "Red" -Level Minimal throw } Write-LogFile -Message "[INFO] Found $($subscription.Count) subscriptions" -Level Standard foreach ($sub in $subscription) { Write-LogFile -Message " - $($sub.subscriptionId) ($($sub.displayName))" -Level Standard } Write-LogFile -Message " " -Level Standard } else { try { Write-LogFile -Message "[INFO] Processing single subscription: $SubscriptionID" -Level Standard $subScription = Get-AzSubscription -SubscriptionId $SubscriptionID } catch { write-logFile -Message "[INFO] Ensure you are connected to Azure by running the Connect-AzureAz command before executing this script" -Color "Yellow" -Level Minimal Write-logFile -Message "[ERROR] An error occurred: $($_.Exception.Message)" -Color "Red" -Level Minimal throw } } foreach ($sub in $subScription) { $summary.SubscriptionsProcessed++ $subId = $sub.subscriptionId write-logFile -Message "[INFO] Retrieving all Activity Logs for $subId" -Color "Green" -Level Standard $date = [datetime]::Now.ToString('yyyyMMddHHmmss') $filePath = "$OutputDir\$($date)-$subId-ActivityLog.json" $uriBase = "https://management.azure.com/subscriptions/$subId/providers/Microsoft.Insights/eventtypes/management/values?api-version=2015-04-01&`$filter=eventTimestamp ge '$script:StartDate' and eventTimestamp le '$script:endDate'" $events = @() do { $listOperations = @{ Uri = $uriBase Headers = @{ Authorization = "Bearer $($accessToken.GetNetworkCredential().Password)" 'Content-Type' = 'application/json' } Method = 'GET' } $response = Invoke-RestMethod @listOperations $events += $response.value $uriBase = $response.nextLink } while ($null -ne $uriBase) if ($events.Count -eq 0) { Write-LogFile -Message "[WARNING] No Activity logs in subscription: $($subId), or an error occurred." -ForegroundColor Yellow -Level Minimum $summary.EmptySubscriptions++ } else{ $summary.TotalRecords += $events.Count $summary.TotalFiles++ $summary.SubscriptionsWithData++ Write-LogFile -Message "[INFO] Found $($events.Count) activity logs in subscription: $subId" -Level Standard $events | ConvertTo-Json -Depth 100 | Set-Content -Path $filePath -encoding $Encoding } } $summary.ProcessingTime = (Get-Date) - $summary.StartTime Write-LogFile -Message "`n=== Activity Log Collection Summary ===" -Color "Cyan" -Level Standard Write-LogFile -Message " Total Records: $($summary.TotalRecords)" -Level Standard Write-LogFile -Message " Files Created: $($summary.TotalFiles)" -Level Standard Write-LogFile -Message " Subscriptions:" -Level Standard Write-LogFile -Message " - Total Processed: $($summary.SubscriptionsProcessed)" -Level Standard Write-LogFile -Message " - With Data: $($summary.SubscriptionsWithData)" -Level Standard Write-LogFile -Message " - Empty: $($summary.EmptySubscriptions)" -Level Standard Write-LogFile -Message "`nOutput Details:" -Level Standard Write-LogFile -Message " Directory: $OutputDir" -Level Standard Write-LogFile -Message " Processing Time: $($summary.ProcessingTime.ToString('mm\:ss'))" -Color "Green" -Level Standard Write-LogFile -Message "===================================" -Color "Cyan" -Level Standard } |