#requires -version 2.0
#requires -pssnapin VMware.VimAutomation.Core

# Jeffery Hicks
# http://jdhitsolutions.com/blog
# follow on Twitter: http://twitter.com/JeffHicks
# 
# "Those who forget to script are doomed to repeat their work."

#  ****************************************************************
#  * DO NOT USE IN A PRODUCTION ENVIRONMENT UNTIL YOU HAVE TESTED *
#  * THOROUGHLY IN A LAB ENVIRONMENT. USE AT YOUR OWN RISK.  IF   *
#  * YOU DO NOT UNDERSTAND WHAT THIS SCRIPT DOES OR HOW IT WORKS, *
#  * DO NOT USE IT OUTSIDE OF A SECURE, TEST SETTING.             *
#  ****************************************************************

#note I've hard-coded default values so I don't have to type as much
#You will need to edit.

Function Get-RunningVM {

Param([string]$VMhost="ESX",
      [string]$protocol="https",
      [string]$port="443",
      [string]$user="root",
      [string]$password)
      
#verify we're connected to a VM host
Try {
    if (get-vmhost -Server $VMhost -State connected -erroraction "Stop") {
        $connected=$True
    }
}
Catch {
    #Try to connect
    Try {
        $viserver=Connect-VIserver -Server $VMhost -protocol $protocol -port $port -user $user -password $password -errorAction "Stop"
        $connected=$True
    }
    Catch {
        $msg="Failed to connect to server {0} on {1}:{2} as user {3}" -f $vmhost,$protocol,$port,$user
        Write-Warning $msg
        Write-Warning $error[0].Exception.Message
    }
}

#if we're finally connected to a host, get running VMs
if ($connected) {
    #get the powered on VMs and display VMGuest information
    get-vm | where {$_.powerstate -match "on"} | get-vmguest | 
    select State,VMName,Hostname,OSFullname,IPAddress
}


} #end function