ConfigMgrCBDsc

4.0.0

DSCResources/DSC_CMNetworkDiscovery/DSC_CMNetworkDiscovery.psm1

$script:dscResourceCommonPath = Join-Path -Path $PSScriptRoot -ChildPath '..\..\Modules\DscResource.Common'
$script:configMgrResourcehelper = Join-Path -Path $PSScriptRoot -ChildPath '..\..\Modules\ConfigMgrCBDsc.ResourceHelper'

Import-Module -Name $script:dscResourceCommonPath
Import-Module -Name $script:configMgrResourcehelper

$script:localizedData = Get-LocalizedData -DefaultUICulture 'en-US'

<#
    .SYNOPSIS
        This will return a hashtable of results.
 
    .PARAMETER SiteCode
        Specifies the site code for Configuration Manager site.
 
    .PARAMETER Enabled
        Specifies the enablement of the Network discovery method.
        When setting enabled to true, Network Discovery will be enabled with default settings.
 
        Not used in Get-TargetResource.
#>
function Get-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Collections.Hashtable])]
    param
    (
        [Parameter(Mandatory = $true)]
        [String]
        $SiteCode,

        [Parameter(Mandatory = $true)]
        [Boolean]
        $Enabled
    )

    Write-Verbose -Message $script:localizedData.RetrieveSettingValue
    Import-ConfigMgrPowerShellModule -SiteCode $SiteCode
    Set-Location -Path "$($SiteCode):\"

    $networkDiscovery = (Get-CMDiscoveryMethod -Name NetworkDiscovery -SiteCode $SiteCode).Props
    $enabledStatus = ($networkDiscovery | Where-Object -FilterScript {$_.PropertyName -eq 'Discovery Enabled'}).value1

    if ($enabledStatus -eq 'FALSE')
    {
        $enable = $false
    }
    elseif ($enabledStatus -eq 'TRUE')
    {
        $enable = $true
    }

    return @{
        SiteCode = $SiteCode
        Enabled  = $enable
    }
}

<#
    .SYNOPSIS
        This will set the desired state.
 
    .PARAMETER SiteCode
        Specifies the site code for Configuration Manager site.
 
    .PARAMETER Enabled
        Specifies the enablement of the Network discovery method.
        When setting enabled to true, Network Discovery will be enabled with default settings.
#>
function Set-TargetResource
{
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory = $true)]
        [String]
        $SiteCode,

        [Parameter(Mandatory = $true)]
        [Boolean]
        $Enabled
    )

    Import-ConfigMgrPowerShellModule -SiteCode $SiteCode
    Set-Location -Path "$($SiteCode):\"

    try
    {
        $state = Get-TargetResource -SiteCode $SiteCode -Enabled $Enabled

        if ($Enabled -ne $state.Enabled)
        {
            Write-Verbose -Message ($script:localizedData.SettingEnable -f $state.Enabled, $Enabled)
            Set-CMDiscoveryMethod -NetworkDiscovery -SiteCode $SiteCode -Enabled $Enabled
        }
    }
    catch
    {
        throw $_
    }
    finally
    {
        Set-Location -Path "$env:temp"
    }
}

<#
    .SYNOPSIS
        This will test the desired state.
 
    .PARAMETER SiteCode
        Specifies the site code for Configuration Manager site.
 
    .PARAMETER Enabled
        Specifies the enablement of the Network discovery method.
        When setting enabled to true, Network Discovery will be enabled with default settings.
#>
function Test-TargetResource
{
    [CmdletBinding()]
    [OutputType([System.Boolean])]
    param
    (
        [Parameter(Mandatory = $true)]
        [String]
        $SiteCode,

        [Parameter(Mandatory = $true)]
        [Boolean]
        $Enabled
    )

    Import-ConfigMgrPowerShellModule -SiteCode $SiteCode
    Set-Location -Path "$($SiteCode):\"
    $state = Get-TargetResource -SiteCode $SiteCode -Enabled $Enabled
    $result = $true

    if ($Enabled -ne $state.Enabled)
    {
        Write-Verbose -Message ($script:localizedData.EnableStatus -f $Enabled, $state.Enabled)
        $result = $false
    }

    Write-Verbose -Message ($script:localizedData.TestState -f $result)
    return $result
}

Export-ModuleMember -Function *-TargetResource