check_veeam_backup.ps1

<#
.NAME
check_veeam_backup
.SYNOPSIS
Checks the backup
.SYNTAX
check_veeam_backup -Mode <job_status,host_backup>
.PARAMETER Mode
Choose between two modes:
 job_status: Check if the given job was successful. (Default)
 host_backup: Check if the last backup of the hosts in the job are corrupted or inconsistent. 
. PARAMETER JobName
Name of the VEEAM Backup Job
. PARAMETER days_warning
Check if the job is older than the given days
. PARAMETER days_critical
Check if the job is older than the given days
#>

param(
    [string] $Mode = 'job_status',
    [string] $JobName,
    [string] $Filter,
    [int]    $days_warning = 3,
    [int]    $days_critical = 5,
    [switch] $Verbose
)



. "$PSScriptRoot\nagios-utils.ps1"

try {
    Add-PSSnapin VeeamPSSnapin;
} catch {
    Plugin-Exit $NagiosUnknown "Could not load VEEAM Backup SnapIn: $error"
}

try { 
 
  if ($Mode -eq 'job_status') { 
 
    $job = Get-VBRJob -Name "$JobName" 

    if ($job.IsRunning -eq $true ) {
      Plugin-Exit $NagiosOK "Job is currently running: $JobName"
    }
 
    $n = Get-Date -Format "yyyy-MM-dd"
    $l = $job.LatestRunLocal
    $ts = (New-TimeSpan -Start $l -End $n).Days

    if ($verbose){
      write-Host "DayDIFF $ts Lastjob $l NOW: $n"
    }

    if ( $job.FindLastSession().result -ne 'success') {
      Plugin-Exit $NagiosCritical "Last Job result failed: $JobName"
    } Elseif ( $ts -gt $days_critical ){
      Plugin-Exit $NagiosCritical "Last job run is $ts days old: $JobName"
    } Elseif ( $ts -gt $days_warning ){
      Plugin-Exit $NagiosWarning "Last job run is $ts days old: $JobName"
    } else {
      Plugin-Exit $NagiosOK "Last Job result was successful: $JobName"
    }
  }
} catch {
    Plugin-Exit $NagiosUnknown "Get-VBRJob failed: $error"
}

try {
  if ($verbose)
  {
    Write-Host "Mode=$Mode"
  }
  if ($Mode -eq 'host_backup')
  {
   [Array]$output = @()

   $bkp_names = Get-VBRBackup -Name "$JobName" | Get-VBRRestorePoint -Name * | Select-Object Name -Unique
   if ($verbose)
   {
    Write-Host $bkp_names
   }

   ForEach($n in $bkp_names)
   {
     $bkp = Get-VBRRestorePoint -Name $n.Name | Sort-Object –Property CreationTime –Descending | Select -First 1
     $vm = $bkp.Name

     if ($verbose)
     {
      write-Host "VM: $vm"
      Write-Host "Corrupted: $($bkp.IsCorrupted)"
      write-Host "Recheck: $($bkp.IsRecheckCorrupted)"
      write-Host "Consistent: $($bkp.IsConsistent)"

     }

     if ($bkp.IsCorrupted -eq $true -or $bkp.IsRecheckCorrupted -eq $true -or $bkp.IsConsistent -ne $true ){
       $failed = $true
       $output += "$vm Last Backup is corrupted or not consistent."
     } else {
       $output += "$vm Last Backup is fine."
     }
   }
   if ($failed -eq $true){
     Plugin-Exit $NagiosCritical "Backups failed in job $JobName" ($output | out-String)
   } else {
     Plugin-Exit $NagiosOK "No Backups failed in job: $JobName" ($output | out-String)
   }
  }
} catch {
   Plugin-Exit $NagiosUnknown "Get Backup Jobs failed: $error"
}

try {
  if ($verbose)
  {
    Write-Host "Mode=$Mode"
  }
  if ($Mode -eq 'job_all')
  {
   [Array]$outputOK = @()
   [Array]$outputCRT = @()

   $jobs = Get-VBRJob | ?{$_.JobType -eq "Backup"}
   Foreach ($Job in $jobs)
    {

    $bkp = Get-VBRJob -Name $Job.Name | Sort-Object –Property CreationTime –Descending | Select -First 1
    $Jobname = $bkp.name
    if ($Filter)
        {
           $JobNew = "$Jobname" | Select-String -Pattern "$Filter" -CaseSensitive 
           if ($Jobname -eq $JobNew)
           {
            if ( $Job.FindLastSession().result -eq 'success') 
                {
                $outputOK += "`nSuccess : $Jobname"
                } 
                else {
                     $outputCRT += "`nCorrupted/Consistent : $Jobname"
                     $failed = $true
                     }
           }
        }
    else 
        {
            if ( $Job.FindLastSession().result -eq 'success') 
                {
                $outputOK += "`nSuccess : $Jobname"
                } 
                else {
                     $outputCRT += "`nCorrupted/Consistent : $Jobname"
                     $failed = $true
                     }
        }
     
    }

    if ($failed -eq $true)
        {
            Plugin-Exit $NagiosCritical "There are some failed jobs.." ($outputCRT | out-String)
            
        }
    else {
            Plugin-Exit $NagiosOK "All Jobs are fine..." ($outputOK | out-String)
        }
 }
} catch {
   Plugin-Exit $NagiosUnknown "Get Backup Jobs failed: $error"
}