Tuần 13: Enterprise Architecture

# ============================================================
# Veeam Monitoring Script — Lab 13C
# ============================================================

# Import snap-in và connect
Add-PSSnapin VeeamPSSnapIn -ErrorAction SilentlyContinue
Connect-VBRServer -Server "veeam-server.vna.local" -Credential (Get-Credential)

# ----- 1. Xem tất cả backup jobs -----
Write-Host "=== BACKUP JOBS ===" -ForegroundColor Cyan
Get-VBRJob | Select-Object Name, JobType, IsScheduleEnabled, LastRun |
    Format-Table -AutoSize

# Output mẫu:
# Name               JobType  IsScheduleEnabled  LastRun
# ----               -------  -----------------  -------
# DB-Critical-HCM    Backup   True               22/01/2024 02:00
# App-Prod-HCM       Backup   True               22/01/2024 03:00

# ----- 2. Tìm jobs thất bại trong 24h qua -----
Write-Host "`n=== FAILED JOBS (last 24h) ===" -ForegroundColor Red
$failedSessions = Get-VBRBackupSession |
    Where-Object {
        $_.Result -eq "Failed" -and
        $_.EndTime -gt (Get-Date).AddHours(-24)
    }

if ($failedSessions) {
    $failedSessions | Select-Object JobName, EndTime, Result, Reason |
        Format-Table -AutoSize -Wrap
} else {
    Write-Host "No failed jobs in last 24 hours. All clear!" -ForegroundColor Green
}

# ----- 3. Tìm VMs chưa được backup (unprotected) -----
Write-Host "`n=== UNPROTECTED VMs ===" -ForegroundColor Yellow
$allVMs    = Find-VBRViEntity -VMsandTemplates | Where-Object {$_.Type -eq "VM"}
$protected = Get-VBRJob | Get-VBRJobObject | Select-Object -ExpandProperty Name
$unprotected = $allVMs | Where-Object { $_.Name -notin $protected }
$unprotected | Select-Object Name, Path | Format-Table -AutoSize

# ----- 4. Kiểm tra dung lượng repositories -----
Write-Host "`n=== REPOSITORY CAPACITY ===" -ForegroundColor Magenta
Get-VBRBackupRepository | ForEach-Object {
    $usedGB  = [math]::Round($_.Info.UsedSize / 1GB, 1)
    $totalGB = [math]::Round($_.Info.CachedTotalSpace / 1GB, 1)
    $pct     = if ($totalGB -gt 0) { [math]::Round($usedGB/$totalGB*100, 1) } else { 0 }
    $color   = if ($pct -ge 85) { "Red" } elseif ($pct -ge 70) { "Yellow" } else { "Green" }
    Write-Host ("[{0}] {1}/{2} GB ({3}%)" -f $_.Name, $usedGB, $totalGB, $pct) -ForegroundColor $color
}

# ----- 5. Gửi email alert nếu có failures -----
if ($failedSessions) {
    $body = $failedSessions |
        Select-Object JobName, EndTime, Reason |
        ConvertTo-Html -Fragment |
        Out-String

    Send-MailMessage `
        -To      "[email protected]" `
        -From    "[email protected]" `
        -Subject "VEEAM ALERT: $($failedSessions.Count) job(s) failed — $(Get-Date -Format 'yyyy-MM-dd')" `
        -Body    "
Failed Backup Jobs
$body" `
        -BodyAsHtml `
        -SmtpServer "smtp.company.com"

    Write-Host "Alert email sent." -ForegroundColor Red
}

Disconnect-VBRServer
Write-Host "`nDone." -ForegroundColor Cyan