DSCResources/MSFT_SPSearchCrawlerImpactRule/MSFT_SPSearchCrawlerImpactRule.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [System.String] $ServiceAppName, [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter()] [System.UInt32] $RequestLimit = 0, [Parameter()] [System.UInt32] $WaitTime = 0, [Parameter()] [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) Write-Verbose -Message "Getting Crawler Impact Rule Setting for '$Name'" if (($RequestLimit -gt 0) -and ($WaitTime -gt 0)) { $message = "Only one Crawler Impact Rule HitRate argument (RequestLimit, WaitTime) can be specified" Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $MyInvocation.MyCommand.Source throw $message } $result = Invoke-SPDscCommand -Arguments $PSBoundParameters ` -ScriptBlock { $params = $args[0] $nullReturn = @{ ServiceAppName = $params.ServiceAppName Name = $params.Name RequestLimit = $null WaitTime = $null Ensure = "Absent" } $serviceApp = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName if ($null -eq $serviceApp) { $nullReturn.ServiceAppName = $null return $nullReturn } else { $crawlerImpactRule = Get-SPEnterpriseSearchSiteHitRule -Identity $params.Name -SearchService $params.ServiceAppName if ($null -eq $crawlerImpactRule) { return $nullReturn } else { if ($crawlerImpactRule.Behavior -eq "0") { return @{ ServiceAppName = $params.ServiceAppName Name = $params.Name RequestLimit = $crawlerImpactRule.HitRate WaitTime = 0 Ensure = "Present" } } else { return @{ ServiceAppName = $params.ServiceAppName Name = $params.Name RequestLimit = 0 WaitTime = $crawlerImpactRule.HitRate Ensure = "Present" } } } } } return $result } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $ServiceAppName, [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter()] [System.UInt32] $RequestLimit = 0, [Parameter()] [System.UInt32] $WaitTime = 0, [Parameter()] [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) Write-Verbose -Message "Setting Crawler Impact Rule Setting for '$Name'" if (($RequestLimit -gt 0) -and ($WaitTime -gt 0)) { $message = "Only one Crawler Impact Rule HitRate argument (RequestLimit, WaitTime) can be specified" Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $MyInvocation.MyCommand.Source throw $message } $result = Get-TargetResource @PSBoundParameters if ($result.Ensure -eq "Absent" -and $Ensure -eq "Present") { Write-Verbose -Message "Creating Crawler Impact Rule $Name" Invoke-SPDscCommand -Arguments @($PSBoundParameters, $MyInvocation.MyCommand.Source) ` -ScriptBlock { $params = $args[0] $eventSource = $args[1] $behavior = "0" $hitRate = 0 if ($null -eq $params.RequestLimit) { $behavior = "1" $hitRate = $params.WaitTime } else { $behavior = "0" $hitRate = $params.RequestLimit } $serviceApp = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName if ($null -eq $serviceApp) { $message = "The Search Service Application does not exist." Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $eventSource throw $message } New-SPEnterpriseSearchSiteHitRule -Name $params.Name ` -Behavior $behavior ` -HitRate $hitRate ` -SearchService $serviceApp } } if ($result.Ensure -eq "Present" -and $Ensure -eq "Present") { Write-Verbose -Message "Updating Crawler Impact Rule $Name" Invoke-SPDscCommand -Arguments @($PSBoundParameters, $MyInvocation.MyCommand.Source) ` -ScriptBlock { $params = $args[0] $eventSource = $args[1] $behavior = "0" $hitRate = 0 if ($null -eq $params.RequestLimit) { $behavior = "1" $hitRate = $params.WaitTime } else { $behavior = "0" $hitRate = $params.RequestLimit } $serviceApp = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName if ($null -eq $serviceApp) { $message = "The Search Service Application does not exist." Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $eventSource throw $message } Remove-SPEnterpriseSearchSiteHitRule -Identity $params.Name ` -SearchService $serviceApp ` -ErrorAction SilentlyContinue New-SPEnterpriseSearchSiteHitRule -Name $params.Name ` -Behavior $behavior ` -HitRate $hitRate ` -SearchService $serviceApp } } if ($Ensure -eq "Absent") { Write-Verbose -Message "Removing Crawler Impact Rule $Name" Invoke-SPDscCommand -Arguments @($PSBoundParameters, $MyInvocation.MyCommand.Source) ` -ScriptBlock { $params = $args[0] $eventSource = $args[1] $serviceApp = Get-SPEnterpriseSearchServiceApplication -Identity $params.ServiceAppName if ($null -eq $serviceApp) { $message = "The Search Service Application does not exist." Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $eventSource throw $message } Remove-SPEnterpriseSearchSiteHitRule -Identity $params.Name ` -SearchService $serviceApp ` -ErrorAction SilentlyContinue } } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [System.String] $ServiceAppName, [Parameter(Mandatory = $true)] [System.String] $Name, [Parameter()] [System.UInt32] $RequestLimit = 0, [Parameter()] [System.UInt32] $WaitTime = 0, [Parameter()] [ValidateSet("Present", "Absent")] [System.String] $Ensure = "Present" ) Write-Verbose -Message "Testing Crawler Impact Rule Setting for '$Name'" if (($RequestLimit -gt 0) -and ($WaitTime -gt 0)) { $message = "Only one Crawler Impact Rule HitRate argument (RequestLimit, WaitTime) can be specified" Add-SPDscEvent -Message $message ` -EntryType 'Error' ` -EventID 100 ` -Source $MyInvocation.MyCommand.Source throw $message } $behavior = "" if ($RequestLimit -ne 0) { $behavior = "RequestLimit" } else { $behavior = "WaitTime" } $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-SPDscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-SPDscHashtableToString -Hashtable $PSBoundParameters)" if ($Ensure -eq "Present") { $result = Test-SPDscParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck @("ServiceAppName", "Name", $behavior) } else { $result = Test-SPDscParameterState -CurrentValues $CurrentValues ` -Source $($MyInvocation.MyCommand.Source) ` -DesiredValues $PSBoundParameters ` -ValuesToCheck @("ServiceAppName", "Name", "Ensure") } Write-Verbose -Message "Test-TargetResource returned $result" return $result } Export-ModuleMember -Function *-TargetResource |