$rgName = "kubetest"
$vms = Get-AzureRmVM -ResourceGroupName $rgName
$nics = Get-AzureRmNetworkInterface -ResourceGroupName $rgName
$pubIPs = Get-AzureRmPublicIpAddress -ResourceGroupName $rgName

$vmNics = @{}
$nics | ForEach-Object {
    $index = $_.id
    $value = $_
    $vmNics[$index] += @($value)
}

$ipConfigs = @{}
$pubIPs | ForEach-Object {
    $index = $_.IpConfiguration.id
    $value = $_
    $ipConfigs[$index] += @($value)
}

$vms | ForEach-Object {
    $vm = $_

    $nicIndex = $vm.NetworkProfile.NetworkInterfaces.id
    $nic = $vmNics[$nicIndex]

    $configIndex = $nic.IpConfigurations.id
    $ipConfig = $ipConfigs[$configIndex]

    [pscustomobject]@{VMName = $vm.Name;
                      ComputerName = $vm.OSProfile.ComputerName;
                      PrivateIP = $nic.IpConfigurations.PrivateIpAddress;
                      PublicIP = $ipConfig.IpAddress}
}