DSCResources/MSFT_xSPSearchIndexPartition/MSFT_xSPSearchIndexPartition.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.UInt32] $Index, [parameter(Mandatory = $true)] [System.String[]] $Servers, [parameter(Mandatory = $false)] [System.String] $RootDirectory, [parameter(Mandatory = $true)] [System.String] $ServiceAppName, [parameter(Mandatory = $false)] [System.Management.Automation.PSCredential] $InstallAccount ) $result = Invoke-xSharePointCommand -Credential $InstallAccount -Arguments $PSBoundParameters -ScriptBlock { $params = $args[0] $ConfirmPreference = 'None' $ssa = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName $currentTopology = $ssa.ActiveTopology $IndexComponents = (Get-SPEnterpriseSearchComponent -SearchTopology $currentTopology | Where-Object { ($_.GetType().Name -eq "IndexComponent") -and ($_.IndexPartitionOrdinal -eq $params.Index) }).ServerName return @{ Index = $params.Index Servers = $IndexComponents RootDirectory = $params.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(Mandatory = $false)] [System.String] $RootDirectory, [parameter(Mandatory = $true)] [System.String] $ServiceAppName, [parameter(Mandatory = $false)] [System.Management.Automation.PSCredential] $InstallAccount ) $CurrentValues = Get-TargetResource @PSBoundParameters Invoke-xSharePointCommand -Credential $InstallAccount -Arguments @($PSBoundParameters, $CurrentValues, $PSScriptRoot) -ScriptBlock { $params = $args[0] $CurrentValues = $args[1] $ScriptRoot = $args[2] $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 "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 "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 $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) { $AllSearchServiceInstances.Add($server, (Get-SPEnterpriseSearchServiceInstance -Identity $server)) } # 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 { $CurrentSearchProperty = $_ Write-Verbose "Setting components for '$CurrentSearchProperty' property" if ($null -eq $CurrentValues.$CurrentSearchProperty) { $ComponentsToAdd = $params.$CurrentSearchProperty } else { $ComponentsToAdd = @() $ComponentsToRemove = @() foreach($Component in ($params.$CurrentSearchProperty | Where-Object { $CurrentValues.$CurrentSearchProperty.Contains($_) -eq $false })) { $ComponentsToAdd += $Component } foreach($Component in ($CurrentValues.$CurrentSearchProperty | Where-Object { $params.$CurrentSearchProperty.Contains($_) -eq $false })) { $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 $newTopology | Where-Object {($_.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(Mandatory = $false)] [System.String] $RootDirectory, [parameter(Mandatory = $true)] [System.String] $ServiceAppName, [parameter(Mandatory = $false)] [System.Management.Automation.PSCredential] $InstallAccount ) $CurrentValues = Get-TargetResource @PSBoundParameters return Test-xSharePointSpecificParameters -CurrentValues $CurrentValues ` -DesiredValues $PSBoundParameters ` -ValuesToCheck @("Servers") } Export-ModuleMember -Function *-TargetResource |