DSCResources/MSFT_SPSearchIndexPartition/MSFT_SPSearchIndexPartition.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.UInt32] $Index, [Parameter(Mandatory = $true)] [System.String[]] $Servers, [Parameter()] [System.String] $RootDirectory, [Parameter(Mandatory = $true)] [System.String] $ServiceAppName, [Parameter()] [System.Management.Automation.PSCredential] $InstallAccount ) Write-Verbose -Message "Getting Search Index Partition '$Index' settings" $result = Invoke-SPDscCommand -Credential $InstallAccount ` -Arguments $PSBoundParameters ` -ScriptBlock { $params = $args[0] $ConfirmPreference = 'None' $ssa = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName $currentTopology = $ssa.ActiveTopology $searchComponent = Get-SPEnterpriseSearchComponent -SearchTopology $currentTopology | ` Where-Object -FilterScript { ($_.GetType().Name -eq "IndexComponent") ` -and ($_.IndexPartitionOrdinal -eq $params.Index) } $IndexComponents = $searchComponent.ServerName $rootDirectory = $searchComponent.RootDirectory if ($rootDirectory -eq "") { $ssi = Get-SPEnterpriseSearchServiceInstance $component = $ssi.Components | Select-Object -First 1 $rootDirectory = $component.IndexLocation } return @{ Index = $params.Index Servers = $IndexComponents RootDirectory = $rootDirectory ServiceAppName = $params.ServiceAppName InstallAccount = $params.InstallAccount } } return $result } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.UInt32] $Index, [Parameter(Mandatory = $true)] [System.String[]] $Servers, [Parameter()] [System.String] $RootDirectory, [Parameter(Mandatory = $true)] [System.String] $ServiceAppName, [Parameter()] [System.Management.Automation.PSCredential] $InstallAccount ) Write-Verbose -Message "Setting Search Index Partition '$Index' settings" $CurrentValues = Get-TargetResource @PSBoundParameters Invoke-SPDscCommand -Credential $InstallAccount ` -Arguments @($PSBoundParameters, $CurrentValues) ` -ScriptBlock { $params = $args[0] $CurrentValues = $args[1] $ConfirmPreference = 'None' $AllSearchServers = $params.Servers # Ensure the search service instance is running on all servers foreach ($searchServer in $AllSearchServers) { $searchService = Get-SPEnterpriseSearchServiceInstance -Identity $searchServer if ($searchService.Status -eq "Offline") { Write-Verbose -Message "Start Search Service Instance" Start-SPEnterpriseSearchServiceInstance -Identity $searchService } #Wait for Search Service Instance to come online $loopCount = 0 $online = Get-SPEnterpriseSearchServiceInstance -Identity $searchServer do { $online = Get-SPEnterpriseSearchServiceInstance -Identity $searchServer Write-Verbose -Message "Waiting for service: $($online.TypeName)" $loopCount++ Start-Sleep -Seconds 30 } until ($online.Status -eq "Online" -or $loopCount -eq 20) } if ($params.ContainsKey("RootDirectory") -eq $true) { # Create the index partition directory on each remote server foreach ($IndexPartitionServer in $params.Servers) { $networkPath = "\\$IndexPartitionServer\" + $params.RootDirectory.Replace(":\", "$\") New-Item -Path $networkPath -ItemType Directory -Force } # Create the directory on the local server as it will not apply the topology without it if ((Test-Path -Path $params.RootDirectory) -eq $false) { New-Item $params.RootDirectory -ItemType Directory -Force } } # Get all service service instances to assign topology components to $AllSearchServiceInstances = @{ } foreach ($server in $AllSearchServers) { $si = Get-SPEnterpriseSearchServiceInstance -Identity $server $AllSearchServiceInstances.Add($server, $si) } # Get current topology and prepare a new one $ssa = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName $currentTopology = $ssa.ActiveTopology $newTopology = New-SPEnterpriseSearchTopology -SearchApplication $ssa ` -Clone ` -SearchTopology $currentTopology $componentTypes = @{ Servers = "IndexComponent" } # Build up the topology changes for each object type @("Servers") | ForEach-Object -Process { $CurrentSearchProperty = $_ Write-Verbose -Message "Setting components for '$CurrentSearchProperty' property" $ComponentsToRemove = @() if ($null -eq $CurrentValues.$CurrentSearchProperty) { $ComponentsToAdd = $params.$CurrentSearchProperty } else { $ComponentsToAdd = @() $components = $params.$CurrentSearchProperty | Where-Object -FilterScript { $CurrentValues.$CurrentSearchProperty.Contains($_) -eq $false } foreach ($component in $components) { $ComponentsToAdd += $component } $components = $CurrentValues.$CurrentSearchProperty | Where-Object -FilterScript { $params.$CurrentSearchProperty.Contains($_) -eq $false } foreach ($component in $components) { $ComponentsToRemove += $component } } foreach ($componentToAdd in $ComponentsToAdd) { $NewComponentParams = @{ SearchTopology = $newTopology SearchServiceInstance = $AllSearchServiceInstances.$componentToAdd } switch ($componentTypes.$CurrentSearchProperty) { "IndexComponent" { $NewComponentParams.Add("IndexPartition", $params.Index) if ($params.ContainsKey("RootDirectory") -eq $true) { if ([string]::IsNullOrEmpty($params.RootDirectory) -eq $false) { $NewComponentParams.Add("RootDirectory", $params.RootDirectory) } } New-SPEnterpriseSearchIndexComponent @NewComponentParams } } } foreach ($componentToRemove in $ComponentsToRemove) { $component = Get-SPEnterpriseSearchComponent -SearchTopology $newTopology | ` Where-Object -FilterScript { ($_.GetType().Name -eq $componentTypes.$CurrentSearchProperty) ` -and ($_.ServerName -eq $componentToRemove) ` -and ($_.IndexPartitionOrdinal -eq $params.Index) } if ($null -ne $component) { $component | Remove-SPEnterpriseSearchComponent -SearchTopology $newTopology ` -Confirm:$false } } } # Apply the new topology Set-SPEnterpriseSearchTopology -Identity $newTopology } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.UInt32] $Index, [Parameter(Mandatory = $true)] [System.String[]] $Servers, [Parameter()] [System.String] $RootDirectory, [Parameter(Mandatory = $true)] [System.String] $ServiceAppName, [Parameter()] [System.Management.Automation.PSCredential] $InstallAccount ) Write-Verbose -Message "Testing Search Index Partition '$Index' settings" $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-SPDscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-SPDscHashtableToString -Hashtable $PSBoundParameters)" return Test-SPDscParameterState -CurrentValues $CurrentValues ` -DesiredValues $PSBoundParameters ` -ValuesToCheck @("Servers") } Export-ModuleMember -Function *-TargetResource |