Powershell VM deployement

#*=============================================================================
#* Script Name: create-vm.ps1
#* Created:     2014-07-29
#* Author:  Paul-Antoine KEMPF
#* Purpose:     This is a simple script that executes get-process.
#*
#*=============================================================================
#*=============================================================================
#* PARAMETER DECLARATION
#*=============================================================================
Param(
    [Parameter(Mandatory=$True,Position=1)]
    [string]$vmname,
    [Parameter(Mandatory=$True,Position=2)]
    [string]$username,
    [Parameter(Mandatory=$True,Position=3)]
    [string]$os,
    [Parameter(Mandatory=$True,Position=4)]
    [string]$landesk,
    [Parameter(Mandatory=$True,Position=5)]
    [string]$sla,
    [Parameter(Mandatory=$True,Position=6)]
    [string]$supervision,
    [Parameter(Mandatory=$True,Position=7)]
    [string]$env,
    [Parameter(Mandatory=$True,Position=8)]
    [string]$owner

)
#*=============================================================================
#* REVISION HISTORY
#*=============================================================================
#* Date:
#* Author:
#* Purpose:
#*=============================================================================
#*=============================================================================
#* IMPORT LIBRARIES
#*=============================================================================
Write-Output ('<div class="content">')
Write-Output ("<div class='center'>
                <img class='center' src='./images/bann.jpg'/>
            </div>
                <h1 style='text-align:center'>VMaaS Deployement Tool</h1>
                <div style='text-align:center'>Please check following infos to make sure everything went well.<br/>
                ________________________________________________________<br/>
                </div>
")

Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false

#Module VMWARE
    if ( (Get-PSSnapin -Name VMware.VimAutomation.Core -ErrorAction SilentlyContinue) -eq $null )
       { Add-PsSnapin VMware.VimAutomation.Core }
#*=============================================================================
#* PARAMETERS
#*=============================================================================
#*=============================================================================
#* INITIALISE VARIABLES
#*=============================================================================
try {
    $Logfile = "C:\powershell_scripts\logs\$($vmname)_$($username)_$($os).log"

    Function LogWrite
    {
       Param ([string]$logstring)

       Add-content $Logfile -value $logstring
    }

    LogWrite ([datetime]::now,"Initialisation des logs")

    # Increase buffer width/height to avoid PowerShell from wrapping the text before
    # sending it back to PHP (this results in weird spaces).
    $pshost = Get-Host
    $pswindow = $pshost.ui.rawui
    $newsize = $pswindow.buffersize
    $newsize.height = 3000
    $newsize.width = 400
    $pswindow.buffersize = $newsize

    #Récupération des variables depuis le fichier de configuration
    $configPath     = "C:\powershell_scripts\config.xml"
    [xml]$configXml = Get-Content $configPath
    LogWrite $configPath
    [System.AppDomain]::CurrentDomain.SetData("APP_CONFIG_FILE", $configPath)

    #Variables de connexion à vCenter 5.5
    LogWrite ([datetime]::now,"User :  $($($configXml.configuration.appSettings.add | where { $_.key -eq "vCenterUser" }).value)")
    LogWrite ([datetime]::now,"PW :  $($($configXml.configuration.appSettings.add | where { $_.key -eq "vCenterPassword" }).value)")
    [string]$My_vCenter          = $($configXml.configuration.appSettings.add | where { $_.key -eq "vCenter" }).value
    [string]$My_vCenter_User     = $($configXml.configuration.appSettings.add | where { $_.key -eq "vCenterUser" }).value
    [string]$My_vCenter_Password = $($configXml.configuration.appSettings.add | where { $_.key -eq "vCenterPassword" }).value

    #Connexion à vCenter 5.5
    Write-Output  "Connecting to vCenter...<br/>"
    LogWrite ([datetime]::now,'Connecting vCenter 5.5')
        $My_vCenterConnection = Connect-VIServer -Server $My_vCenter -User $My_vCenter_User  -Password $My_vCenter_Password
    LogWrite ([datetime]::now,'Connexion à vCenter 5.5 : ',$My_vCenterConnection.IsConnected)
    Write-Output  "Connection successful.<br/>"
    #Récupération des variables par défaut
    $My_Folder = Get-Folder -name "VM-Sandbox"
    $My_ResourcePool = Get-ResourcePool -name "RP-Sandbox"
    $My_Datastore = Get-Datastore -name "DS-C2_Test_SATA_01"
    LogWrite ([datetime]::now,"Folder : $($My_Folder)")
    LogWrite ([datetime]::now,"RP : $($My_ResourcePool)")
    LogWrite ([datetime]::now,"DS : $($My_Datastore)")
} catch {
    Write-Output "Erreur lors de l'initialisation des variables.<br/>"
    LogWrite $_
}
 #*=============================================================================
#* EXCEPTION HANDLER
#*=============================================================================
#*=============================================================================
#* FUNCTION LISTINGS
#*=============================================================================
#*=============================================================================
#* Function:    function1
#* Created:     2012-01-01
#* Author:  My Name
#* Purpose:     This function does X Y Z
#* =============================================================================
#*=============================================================================
#* END OF FUNCTION LISTINGS
#*=============================================================================
#*=============================================================================
#* SCRIPT BODY
#*=============================================================================
Write-Output "<br/>"
Write-Output "Hello $username ! <br />"
$notes = "$sla $env TMP $owner - Déployée automatiquement via VMaaS. Contact : $($username)"
LogWrite $notes
Switch ($os) {
    'rhel' {
        Write-Output "Deployement of a RHEL VM with name $vmname...<br/>"
        try {
            #$My_Template = Get-Template -Name 'VMAAS01VTL'
            #$My_OSSpec = Get-OSCustomizationSpec -name "Personnalisation RHEL VMAAS"
            #LogWrite ([datetime]::now,"OSSpec $($My_OSSpec)")
            #$My_vm = New-VM -template $My_Template -location $My_Folder -name $vmname -notes $notes -ResourcePool $My_ResourcePool -datastore $My_Datastore -OSCustomizationSpec $My_OSSpec
        } catch {
            Write-Output "Erreur lors du déploiement. Merci d'analyser les logs.<br/>"
            LogWrite $_
        }
    }
    'windows2008r2' {
        try {
            Write-Output "Deployement of a Windows Server 2008 R2 VM with name $vmname...<br/>"
            #$My_Template = Get-Template -Name 'VMAAS01VTW'
            #$My_OSSpec = Get-OSCustomizationSpec -name "Personnalisation Windows VMAAS"
            #LogWrite ([datetime]::now,"OSSpec $($My_OSSpec)")
            #$My_vm = New-VM -template $My_Template -location $My_Folder -name $vmname -notes $notes -ResourcePool $My_ResourcePool -datastore $My_Datastore -OSCustomizationSpec $My_OSSpec
        } catch {
            Write-Output "Erreur lors du déploiement. Merci d'analyser les logs.<br/>"
            LogWrite $_
        }
    }
}
    Write-Output "Looks like everything went well.<br/>
        </div>
    </body>
</html>"

#*=============================================================================
#* END SCRIPT BODY
#*=============================================================================
Disconnect-VIServer -Server $My_vCenter -Confirm:$False -Force
LogWrite ([datetime]::now,"Deconnection du serveur")
#*=============================================================================
#* END OF SCRIPT
#*=============================================================================

LogWrite ([datetime]::now,"Fin du script")