PRTG VNX Custom Sensor

check_vnx.ps1

#requires -version 2
<#
.SYNOPSIS
	PRTG VNX Check Script
.DESCRIPTION
	This is a custom EXEXML script which is invoked by PRTG
.PARAMETER <Parameter_Name>
    -h [SP_IP] -u [username] -p [password]
.INPUTS
	None
.OUTPUTS
	None
.NOTES
  Version:		1.0
  File Name:		check_vnx.ps1
  Author:		Rich Bocchinfuso
  Email:		rbocchinfuso@fusionstorm.com
  Creation Date:	2016-02-08	
  Purpose/Change:	Initial script development
.EXAMPLE
	check_vnx.ps1 -h [SP_IP] -u [username] -p [password]
#>

param (
    [string]$h = $(throw "SP IP is required."),
    [string]$u = $(throw "username is required."),
    [string]$p = $(throw "password is required.")
 )

#Debug 
#Write-Host $h
#Write-Host $u
#Write-Host $p

#Query VNX array
$Disks = & "C:\Program Files (x86)\EMC\Navisphere CLI\NaviSECCli.exe" ""-h $h -User $u -Password $p -Scope 0 getdisk -state""
$Faults = & "C:\Program Files (x86)\EMC\Navisphere CLI\NaviSECCli.exe" ""-h $h -User $u -Password $p -Scope 0 faults -list""

#Debug
#Write-Host $Disks
#Write-Host $Faults

#Calculate the total number of disks
$Slots = (Select-String -InputObject $Disks -Pattern "disk" -AllMatches).Matches.Count

#Calculate the total number of enabled disks
$Enabled = (Select-String -InputObject $Disks -Pattern "enabled" -AllMatches).Matches.Count

#Calculate the total number of ubound disks
$Unbound = (Select-String -InputObject $Disks -Pattern "unbound" -AllMatches).Matches.Count

#Calculate the total number of ubound disks
$Empty = (Select-String -InputObject $Disks -Pattern "empty" -AllMatches).Matches.Count

#Calculate the total number of Hot Spares
$HotSpares = (Select-String -InputObject $Disks -Pattern "hot" -AllMatches).Matches.Count

#Calculate the number of disks in notable states
$RebuildingDisks = (Select-String -InputObject $Disks -Pattern "rebuilding|equalizing" -AllMatches).Matches.Count
$FailedDisks = (Select-String -InputObject $Disks -Pattern "failed|faulted|fault" -AllMatches).Matches.Count

#PRTG service condition
write-host "<prtg>"
write-host "<result>"
write-host "<channel>Total Slots</channel>"
write-host "<customunit>Disk(s)</customunit>"
write-host "<value>$Slots</value>"
write-host "</result>"

write-host "<result>"
write-host "<channel>Enabled Disks Slots</channel>"
write-host "<customunit>Disk(s)</customunit>"
write-host "<value>$Enabled</value>"
write-host "</result>"

write-host "<result>"
write-host "<channel>Empty Disks Slots</channel>"
write-host "<customunit>Disk(s)</customunit>"
write-host "<value>$Empty</value>"
write-host "</result>"

write-host "<result>"
write-host "<channel>Unbound Disks</channel>"
write-host "<customunit>Disk(s)</customunit>"
write-host "<value>$Unbound</value>"
write-host "</result>"

write-host "<result>"
write-host "<channel>Legacy Hot Spare Disks</channel>"
write-host "<customunit>Disk(s)</customunit>"
write-host "<value>$HotSpares</value>"
write-host "</result>"

If ($RebuildingDisks -gt 0) {
    write-host "<result>"
    write-host "<channel>Rebuilding Disks</channel>"
    write-host "<customunit>Disk(s)</customunit>"
    write-host "<value>$RebuildingDisks</value>"
    write-host "<warning>1</warning>"
    write-host "</result>`n"
} ElseIf ($RebuildingDisks -eq 0) {
    write-host "<result>"
    write-host "<channel>Rebuilding Disks</channel>"
    write-host "<customunit>Disk(s)</customunit>"
    write-host "<value>0</value>"
    write-host "</result>"
}

If ($FailedDisks -gt 0) {
    write-host "<result>"
    write-host "<channel>Failed Disks</channel>"
    write-host "<customunit>Disk(s)</customunit>"
    write-host "<value>$FailedDisks</value>"
    write-host "</result>"
} ElseIf ($FailedDisks -eq 0) {
    write-host "<result>"
    write-host "<channel>Failed Disks</channel>"
    write-host "<customunit>Disk(s)</customunit>"
    write-host "<value>0</value>"
    write-host "</result>"
}

If ($Faults -contains "The array is operating normally.") {
    write-host "<result>"
    write-host "<channel>Fault(s)</channel>"
    write-host "<customunit>Faults(s)</customunit>"
    write-host "<value>0</value>"
    write-host "</result>"
} Else {
    write-host "<result>"
    write-host "<channel>Fault(s)</channel>"
    write-host "<customunit>Fault(s)</customunit>"
    write-host "<value>1</value>"
    write-host "</result>"
}

#PRTG message display
If ($FailedDisks -eq 0 -and $RebuildingDisks -eq 0) {
    write-host "<text>All Disks OK</text>"
} ElseIf ($FailedDisks -eq 0 -and $RebuildingDisks -gt 0) {
    write-host "<text>WARNING $RebuildingDisks disk(s) rebuilding or equalising</text>"
} ElseIf ($FailedDisks -gt 0) {
    write-host "<text>FAILURE $FailedDisks disk(s) failed</text>"
    write-host "<error>1</error>"
}

write-host "</prtg>"