<#
.SYNOPSIS 
This script will connect to Symantec BackupExec server and using PowerShell, it will return information about the backup jobs:
        -Name
        -Period

.NOTES
     Author     : Pedro Simões <pedro#mirandasimoes.eu>
.LINK
     http://blog.mirandasimoes.eu

.PARAMETER Name
Name of the Job

.PARAMETER Period
Number of Days Until Critical 

.EXAMPLE
   .\check_backupexec_jobs.ps1 -Name "BACKUP IT Machines-Full" -Period 10 #  if it passes more than 10 days the it will return critical and if job Status Fails will Return Critical

.EXAMPLE
   .\check_backupexec_jobs.ps1 -Name "BACKUP IT Machines-Full" #if no Period indicated will return last recorded date but doesn't return critical unless job status Fails



#>

#region parameters
Param(
        [string]$Name,
		[int]$Period
)

 
#endregion parameters
$name = $Name -replace "`n","" -replace "\""","" # Fix for NCPA
$period=$Period

# Symantec Backup Exec 2012 job status check
Import-Module BEMCLI

$job = Get-BEJob -Name $name

if ($job -eq $null)
{
	$name = "'" + $name + "'"
	Write-Host "UNKNOWN! No such a job: $name."
	exit 3
}
Try
{
    if ( $Period > 0 ) {
        $job = Get-BEJobHistory -Name $name -FromStartTime (Get-Date).AddDays(-($Period)) |Select *
    } Else {
        $job = Get-BEJob $Name |Get-BEJobHistory |select -last 1
    }
}
Catch
{
    Write-Error $_.Exception.Message
    exit 3
}

	
if ($job.JobStatus -eq "Error")
{
	$name = "'" + $name + "'"
	Write-Host "CRITICAL! Errors were encountered during the backup process of the following job: $name."
	exit 2
}

if ($job.JobStatus -ne "Succeeded")
{
	$name = "'" + $name + "'"
	Write-Host "WARNING! Job $name didn't fully succeed. Status: $($job.JobStatus)"
	exit 1
}

if ((Get-Date).AddDays(-$period) -gt (get-date $job.StartTime))
{
	Write-Host "CRITICAL! Last run of job: $name more than $period days ago. Last Run: $($job.StartTime)"
	exit 2
} 
else
{
	Write-Host "OK! Backup process of job $name completed successfully. Last Run: $($job.StartTime)"
	exit 0
}