ArcGIS

3.1.0

DSCResources/ArcGIS_WindowsUpdate/ArcGIS_WindowsUpdate.psm1

## Readable values for enumerations http://blogs.technet.com/b/jamesone/archive/2009/01/27/managing-windows-update-with-powershell.aspx
<#
    $AutoUpdateNotificationLevels= @{0="Not configured"; 1="Disabled" ; 2="Notify before download";
                                 3="Notify before installation"; 4="Scheduled installation"}
 
    $AutoUpdateDays=@{0="Every Day"; 1="Every Sunday"; 2="Every Monday"; 3="Every Tuesday"; 4="Every Wednesday";
                  5="Every Thursday"; 6="Every Friday"; 7="EverySaturday"}
#>

function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    Param
    (
        [parameter(Mandatory = $true)]        
        [System.Boolean]
        $Enabled
    )

    (New-Object -com "Microsoft.Update.AutoUpdate").Settings
}

function Set-TargetResource
{
    [CmdletBinding()]
    Param
    (
        [parameter(Mandatory = $true)]        
        [System.Boolean]
        $Enabled
    )
    
    $Settings = (New-Object -com "Microsoft.Update.AutoUpdate").Settings
    Write-Verbose "Current Windows Update Settings:- $Settings"
    if($Enabled)
    {
        if($Settings.NotificationLevel -ne 4)
        {
            Write-Verbose "Setting Update to 'Scheduled Update'"
            $Settings.NotificationLevel = 4
            $Settings.Save
        }
    }
    else
    {
        if($Settings.NotificationLevel -ne 0)
        {
            Write-Verbose "Setting Update to 'Not configured'"
            $Settings.NotificationLevel = 0
            $Settings.Save
        }
    }
}

function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [parameter(Mandatory = $true)]        
        [System.Boolean]
        $Enabled
    )

    $Settings = (New-Object -com "Microsoft.Update.AutoUpdate").Settings
    Write-Verbose "Windows Update Settings:- $($Settings.NotificationLevel)"
    if($Enabled)
    {
        $Settings.NotificationLevel -eq 4
    }
    else
    {
        $Settings.NotificationLevel -ne 4
    }
}

Export-ModuleMember -Function *-TargetResource