icinga-powershell-plugins

1.0.0

provider/updates/Get-IcingaUpdatesPending.psm1

                                function Get-IcingaUpdatesPending ()

{

    [hashtable]$PendingUpdates         = @{};

    [hashtable]$PendingUpdateNameCache = @{};

    # Fetch all informations about installed updates and add them

    $WindowsUpdates            = New-Object -ComObject "Microsoft.Update.Session";

    $SearchIndex               = $WindowsUpdates.CreateUpdateSearcher();

    try {

        # Get a list of current pending updates which are not yet installed on the system

        $Pending = $SearchIndex.Search("IsInstalled=0");

        $PendingUpdates.Add('count', $Pending.Updates.Count);

        $PendingUpdates.Add('updates', @{ });

        foreach ($update in $Pending.Updates) {

            [hashtable]$PendingUpdateDetails = @{};

            $PendingUpdateDetails.Add('Title', $update.Title);

            $PendingUpdateDetails.Add('Deadline', $update.Deadline);

            $PendingUpdateDetails.Add('Description', $update.Description);

            $PendingUpdateDetails.Add('IsBeta', $update.IsBeta);

            $PendingUpdateDetails.Add('IsDownloaded', $update.IsDownloaded);

            $PendingUpdateDetails.Add('IsHidden', $update.IsHidden);

            $PendingUpdateDetails.Add('IsInstalled', $update.IsInstalled);

            $PendingUpdateDetails.Add('IsMandatory', $update.IsMandatory);

            $PendingUpdateDetails.Add('IsUninstallable', $update.IsUninstallable);

            $PendingUpdateDetails.Add('Languages', $update.Languages);

            $PendingUpdateDetails.Add('LastDeploymentChangeTime', $update.LastDeploymentChangeTime);

            $PendingUpdateDetails.Add('MaxDownloadSize', $update.MaxDownloadSize);

            $PendingUpdateDetails.Add('MinDownloadSize', $update.MinDownloadSize);

            $PendingUpdateDetails.Add('MoreInfoUrls', $update.MoreInfoUrls);

            $PendingUpdateDetails.Add('MsrcSeverity', $update.MsrcSeverity);

            $PendingUpdateDetails.Add('RecommendedCpuSpeed', $update.RecommendedCpuSpeed);

            $PendingUpdateDetails.Add('RecommendedHardDiskSpace', $update.RecommendedHardDiskSpace);

            $PendingUpdateDetails.Add('RecommendedMemory', $update.RecommendedMemory);

            $PendingUpdateDetails.Add('ReleaseNotes', $update.ReleaseNotes);

            $PendingUpdateDetails.Add('SecurityBulletinIDs', $update.SecurityBulletinIDs);

            $PendingUpdateDetails.Add('SupersededUpdateIDs', $update.SupersededUpdateIDs);

            $PendingUpdateDetails.Add('SupportUrl', $update.SupportUrl);

            $PendingUpdateDetails.Add('Type', $update.Type);

            $PendingUpdateDetails.Add('UninstallationNotes', $update.UninstallationNotes);

            $PendingUpdateDetails.Add('UninstallationBehavior', $update.UninstallationBehavior);

            $PendingUpdateDetails.Add('UninstallationSteps', $update.UninstallationSteps);

            $PendingUpdateDetails.Add('KBArticleIDs', $update.KBArticleIDs);

            $PendingUpdateDetails.Add('DeploymentAction', $update.DeploymentAction);

            $PendingUpdateDetails.Add('DownloadPriority', $update.DownloadPriority);

            $PendingUpdateDetails.Add('RebootRequired', $update.RebootRequired);

            $PendingUpdateDetails.Add('IsPresent', $update.IsPresent);

            $PendingUpdateDetails.Add('CveIDs', $update.CveIDs);

            $PendingUpdateDetails.Add('BrowseOnly', $update.BrowseOnly);

            $PendingUpdateDetails.Add('PerUser', $update.PerUser);

            $PendingUpdateDetails.Add('AutoSelection', $update.AutoSelection);

            $PendingUpdateDetails.Add('AutoDownload', $update.AutoDownload);

            [string]$name = [string]::Format('{0} [{1}]', $update.Title, $update.LastDeploymentChangeTime);

            if ($PendingUpdateNameCache.ContainsKey($name) -eq $FALSE) {

                $PendingUpdateNameCache.Add($name, 1);

            } else {

                $PendingUpdateNameCache[$name] += 1;

                $name = [string]::Format('{0} ({1})', $name, $PendingUpdateNameCache[$name]);

            }

            $PendingUpdates.updates.Add($name, $PendingUpdateDetails);

        }

    } catch {

        if ($PendingUpdates.ContainsKey('Count') -eq $FALSE) {

            $PendingUpdates.Add('count', 0);

        } else {

            $PendingUpdates['count'] =  0;

        }

        $PendingUpdates.Add('error', [string]::Format(

            'Failed to query Windows Update server: {0}',

            $_.Exception.Message

        ));

    }

    return $PendingUpdates;

}