My Windows Network Virtualization demo setup script

In the past I posted my two Hyper-V Server demo script for Windows Network Virtualization.

And a whole series of posts about Windows Network Virtualization.  Unfortunately, some folks just could not get it working.

Well, a key script that I left out was the one I used to setup my servers.  And that is here.

I use the little trick of setting the IP of the VMs through WMI as well (remember, the VMs must be running).

I also use a little trick to build all of the routes and rules.  Remember, there is no automatic route maintenance, if you are setting this up and using it, you must also manage the change – the system won’t do it for you.

One requirement here, the machines are joined to the same domain.  And I have a Register-PSSessionConfiguration on the remote machine defined as Taylor mentions here.

Okay, enough of that.  Here is my setup and reset PowerShell script:

 

$what = Read-Host -Prompt "Do you want to RESET or SETUP?"

# Load the function to set the IP address.
function Get-VMIPAddress ($VMName)
{
    $Query = "SELECT * FROM Msvm_ComputerSystem WHERE ElementName = '" + $VMName + "'"
    $VM = Get-WmiObject -Query $Query -Namespace "root\virtualization\v2"

    if ($VM -eq $null)
    {
        write-host ("No VM found with the specified name '" + $VMName + "'")
        return
    }

    $Query = "ASSOCIATORS OF {" + $VM.__PATH + "} WHERE ResultClass = Msvm_VirtualSystemSettingData"
    $VMSettings = Get-WmiObject -Query $Query -Namespace "root\virtualization\v2"

    $Query = "ASSOCIATORS OF {" + $VMSettings.__PATH + "} WHERE ResultClass = Msvm_SyntheticEthernetPortSettingData"
    $VMNIC = Get-WmiObject -Query $Query -Namespace "root\virtualization\v2"

    $Query = "ASSOCIATORS OF {" + $VMNIC.__PATH + "} WHERE ResultClass = Msvm_GuestNetworkAdapterConfiguration"
    $VMIpSettings = Get-WmiObject -Query $Query -Namespace "root\virtualization\v2"

    $VMIpSettings
}

function Set-VMIPAddress ($VMName, $IPSettings)
{
    $Service = Get-WmiObject -Class "Msvm_VirtualSystemManagementService" -Namespace "root\virtualization\v2"

    $Query = "SELECT * FROM Msvm_ComputerSystem WHERE ElementName = '" + $VMName + "'"
    $VM = Get-WmiObject -Query $Query -Namespace "root\virtualization\v2"

    if ($VM -eq $null)
    {
        write-host ("No VM found with the specified name '" + $VMName + "'")
        return
    }

    $Value = $Service.SetGuestNetworkAdapterConfiguration($VM, $IPSettings.GetText(1))

    #Value success if the return value is "0"
    if ($Value.ReturnValue -eq 0)
    {
        write-host "Operation completed successfully"
    }

    #If the return value is not "0" or "4096" then the operation failed
    elseif ($Value.ReturnValue -ne 4096)
    {
        write-host ("Operation failed: " + $Value.ReturnValue)
    }

    else
    {
        #Get the job object
        $job = [WMI]$Value.job

        if ($job.JobState -eq 7)
        {
            # Job has already failed

            write-host "Operation failed"
            write-host "ErrorCode:" $job.ErrorCode
            write-host "ErrorDescription" $job.ErrorDescription
        }
        else
        {
            #Provide updates if the jobstate is "3" (starting) or "4" (running)
            while ($job.JobState -eq 3 -or $job.JobState -eq 4)
            {
                write-host $job.PercentComplete
                start-sleep 1

                #Refresh the job object
                $job = [WMI]$Value.job

                #A jobstate of "7" means success
                if ($job.JobState -eq 7)
                {
                    write-host "Operation completed successfully"
                }
                else
                {
                    write-host "Operation failed"
                    write-host "ErrorCode:" $job.ErrorCode
                    write-host "ErrorDescription" $job.ErrorDescription
                }
            }
        }
    }
}

switch ($what) {
    RESET {
        "RESET!!"
        # Get set up and make sure that it is all ready

        Invoke-Command -ComputerName Waldorf.brianeh.local -ConfigurationName HVRemoteAdmin { Move-VM -Name “Red22” -DestinationHost Statler.brianeh.local –IncludeStorage –DestinationStoragePath D:\BlankVM }

        sleep 30

        # Reset adapters
        Get-VMNetworkAdapter -VMName * | Connect-VMNetworkAdapter -SwitchName VMs
        Get-VMNetworkAdapter -VMName * | Set-VMNetworkAdapter -VirtualSubnetId 0

        Get-VMNetworkAdapter * | ft vmname, name, macaddress, ipaddresses, virtualsubnetid

        # Reset the VMs to DHCP
        # Red11
        $VMIP = Get-VMIPAddress "Red11"
        $VMIP.DHCPEnabled = $True
        Set-VMIPAddress "Red11" $VMIP

        # Red22
        $VMIP = Get-VMIPAddress "Red22"
        $VMIP.DHCPEnabled = $True
        Set-VMIPAddress "Red22" $VMIP

        # Blue11
        $VMIP = Get-VMIPAddress "Blue11"
        $VMIP.DHCPEnabled = $True
        Set-VMIPAddress "Blue11" $VMIP

        # Blue22
        $VMIP = Get-VMIPAddress "Blue22"
        $VMIP.DHCPEnabled = $True
        Set-VMIPAddress "Blue22" $VMIP

        # Reset the Windows NetVirt binding

        $vSwitch = Get-VMSwitch -SwitchType External
        Disable-NetAdapterBinding -InterfaceDescription $vSwitch.NetAdapterInterfaceDescription -ComponentID "ms_netwnv"

        Invoke-Command -ComputerName waldorf.brianeh.local -ConfigurationName HVRemoteAdmin {
            $vSwitch = Get-VMSwitch -SwitchType External
            Disable-NetAdapterBinding -InterfaceDescription $vSwitch.NetAdapterInterfaceDescription -ComponentID "ms_netwnv"
        }

        # power off VMs, Red first
        Stop-VM Red* -AsJob
        sleep 60
        Stop-VM Blue* -AsJob

    }

    SETUP {
        "SETUP!!"
        # power on VMs, Red first
        Start-VM Red* -AsJob
        sleep 60
        Start-VM Blue* -AsJob

        # wait until all VMs ICs are 'awake' and are reporting an IP address
        $vmNics = Get-VMNetworkAdapter *
        do {
            $upCount = ($vmNics | where {$_.IPAddresses.count -ne 0})
            $upCount.Count
            sleep 30
        }
        until ($vmNics.Count -eq $upCount.Count)

        # Red11
        # Set the IP of each VM
        $VMIP = Get-VMIPAddress "Red11"

        #Setting the VM Network settings to a static IPv4 address
        $VMIP.DNSServers = @("192.168.1.2")
        $VMIP.IPAddresses = @("192.168.1.11")
        $VMIP.DefaultGateways = @("192.168.1.1")
        $VMIP.Subnets = @("255.255.255.0")
        $VMIP.DHCPEnabled = $False

        Set-VMIPAddress "Red11" $VMIP

        # Red22
        $VMIP = Get-VMIPAddress "Red22"

        $VMIP.DNSServers = @("192.168.1.2")
        $VMIP.IPAddresses = @("192.168.1.22")
        $VMIP.DefaultGateways = @("192.168.1.1")
        $VMIP.Subnets = @("255.255.255.0")
        $VMIP.DHCPEnabled = $False

        Set-VMIPAddress "Red22" $VMIP

        # Blue11
        $VMIP = Get-VMIPAddress "Blue11"

        $VMIP.DNSServers = @("192.168.1.2")
        $VMIP.IPAddresses = @("192.168.1.11")
        $VMIP.DefaultGateways = @("192.168.1.1")
        $VMIP.Subnets = @("255.255.255.0")
        $VMIP.DHCPEnabled = $False

        Set-VMIPAddress "Blue11" $VMIP

        # Blue22
        $VMIP = Get-VMIPAddress "Blue22"

        $VMIP.DNSServers = @("192.168.1.2")
        $VMIP.IPAddresses = @("192.168.1.22")
        $VMIP.DefaultGateways = @("192.168.1.1")
        $VMIP.Subnets = @("255.255.255.0")
        $VMIP.DHCPEnabled = $False

        Set-VMIPAddress "Blue22" $VMIP

        Get-VMNetworkAdapter * | ft vmname, name, macaddress, ipaddresses, virtualsubnetid

    }
}