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Power-Off-VMs.ps1
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Power-Off-VMs.ps1
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#################################################################################
# Power off VMs (poweroffvms.ps1)
#
# This is a complete update to my previous shutdown script. No longer do we
# loop through the esx hosts and shut down VMs per host. We now just shut them
# all down up front. Also, no more $vmstoleaveon variable. I'm assuming here
# that your vCenter is not virtual. If it is you can most likely grab version
# 1 of this script and take the code to leave the vCenter host till last. Maybe
# someday I'll get around to updating it to merge the two...but for now, this is
# it!
#
# This script does have a 'partner' script that powers the VMs back on, you can
# grab that script at http://blog.mwpreston.net/shares/
#
# Created By: Mike Preston, 2012 - With a whole lot of help from Eric Wright
# (@discoposse)
#
# Variables: $mysecret - a secret word to actually make the script run, stops
# the script from running when double click DISASTER
# $vcenter - The IP/DNS of your vCenter Server
# $username/password - credentials for your vCenter Server
# $filename - path to csv file to store powered on vms
# used for the poweronvms.ps1 script.
# $cluster - Name of specific cluster to target within vCenter
# $datacenter - Name of specific datacenter to target within vCenter
#
#
# Usage: ./poweroffvms.ps1 "keyword"
# Intended to be ran in the command section of the APC Powerchute Network
# Shutdown program before the shutdown sequence has started.
#
#################################################################################
param($keyword)
Add-PSSnapin VMware.VimAutomation.Core
#some variables
$vcenter = "vcenterServer"
$username = "user"
$password = "password"
$cluster = "clusterName"
$datacenter = "datacenterName"
$filename = "c:\path\to\poweredonvms.csv"
$mysecret = "kerfuffle"
Write-Host "A Powerchute network shutdown command has been sent to the vCenter Server." -Foregroundcolor yellow
Write-Host "This script will shutdown all of the VMs and hosts located in $datacenter" -Foregroundcolor yellow
Write-Host "Upon completion, this server ($vcenter) will also be shutdown gracefully" -Foregroundcolor yellow
Write-Host ""
Write-Host "This script has also has a counterpart (powervmsbackon.ps1) which should" -Foregroundcolor yellow
Write-Host "be setup to run during the startup of this machine ($vcenter). " -Foregroundcolor yellow
Write-Host "This will ensure that your VMs are powered back on once power is restored!" -Foregroundcolor yellow
Sleep 5
if ($keyword -ne $mysecret)
{
Write-Host "You haven't passed the proper detonation sequence...ABORTING THE SCRIPT" -ForegroundColor red
exit
}
#connect to vcenter
Write-Host "Connecting to vCenter - $vcenter ...." -nonewline
$success = Connect-VIServer $vcenter -username $username -Password $password
if ($success) { Write-Host "Connected!" -Foregroundcolor Green }
else
{
Write-Host "Something is wrong, Aborting script" -Foregroundcolor Red
exit
}
Write-Host ""
#Get a list of all powered on VMs - used for powering back on....
Get-VM -Location $cluster | where-object {$_.PowerState -eq "PoweredOn" } | Select Name | Export-CSV $filename
#change DRS Automation level to partially automated...
Write-Host "Changing cluster DRS Automation Level to Partially Automated" -Foregroundcolor green
Get-Cluster $cluster | Set-Cluster -DrsAutomation PartiallyAutomated -confirm:$false
#change the HA Level
Write-Host ""
Write-Host "Disabling HA on the cluster..." -Foregroundcolor green
Write-Host ""
Get-Cluster $cluster | Set-Cluster -HAEnabled:$false -confirm:$false
#get VMs again (we will do this again instead of parsing the file in case a VM was powered in the nanosecond that it took to get here.... :)
Write-Host ""
Write-Host "Retrieving a list of powered on guests...." -Foregroundcolor Green
Write-Host ""
$poweredonguests = Get-VM -Location $cluster | where-object {$_.PowerState -eq "PoweredOn" }
#and now, let's start powering off some guests....
ForEach ( $guest in $poweredonguests )
{
Write-Host "Processing $guest ...." -ForegroundColor Green
Write-Host "Checking for VMware tools install" -Foregroundcolor Green
$guestinfo = get-view -Id $guest.ID
if ($guestinfo.config.Tools.ToolsVersion -eq 0)
{
Write-Host "No VMware tools detected in $guest , hard power this one" -ForegroundColor Yellow
Stop-VM $guest -confirm:$false
}
else
{
write-host "VMware tools detected. I will attempt to gracefully shutdown $guest"
$vmshutdown = $guest | shutdown-VMGuest -Confirm:$false
}
}
#Lets wait a minute or so for shutdowns to complete
Write-Host ""
Write-Host "Giving VMs 2 minutes before resulting in hard poweroff"
Write-Host ""
Sleep 120
#Now, let's go back through again to see if anything is still powered on and shut it down if it is
Write-Host "Beginning Phase 2 - anything left on....night night..." -ForegroundColor red
Write-Host ""
#get our list of guests still powered on...
$poweredonguests = Get-VM -Location $cluster | where-object {$_.PowerState -eq "PoweredOn" }
ForEach ( $guest in $poweredonguests )
{
Write-Host "Processing $guest ...." -ForegroundColor Green
#no checking for toosl, we just need to blast it down...
write-host "Shutting down $guest - I don't care, it just needs to be off..." -ForegroundColor Yellow
Stop-VM $guest -confirm:$false
}
#wait 30 seconds
Write-Host "Waiting 30 seconds and then proceding with host power off"
Write-Host ""
Sleep 30
#and now its time to slam down the hosts - I've chosen to go by datacenter here but you could put the cluster
# There are some standalone hosts in the datacenter that I would also like to shutdown, those vms are set to
# start and stop with the host, so i can just shut those hosts down and they will take care of the vm shutdown ;)
$esxhosts = Get-VMHost -Location $cluster
foreach ($esxhost in $esxhosts)
{
#Shutem all down
Write-Host "Shutting down $esxhost" -ForegroundColor Green
$esxhost | Foreach {Get-View $_.ID} | Foreach {$_.ShutdownHost_Task($TRUE)}
}