DSCResources/MSFT_xSPDistributedCacheService/MSFT_xSPDistributedCacheService.psm1
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function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [ValidateSet("Present","Absent")] [System.String] $Ensure, [parameter(Mandatory = $true)] [System.UInt32] $CacheSizeInMB, [parameter(Mandatory = $true)] [System.String] $ServiceAccount, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $InstallAccount, [parameter(Mandatory = $true)] [System.Boolean] $CreateFirewallRules ) Write-Verbose -Message "Getting the cache host information" $session = Get-xSharePointAuthenticatedPSSession -Credential $InstallAccount $result = Invoke-Command -Session $session -ScriptBlock { try { Use-CacheCluster -ErrorAction SilentlyContinue $cacheHost = Get-CacheHost -ErrorAction SilentlyContinue if ($null -eq $cacheHost) { return @{} } $cacheHostConfig = Get-AFCacheHostConfiguration -ComputerName $cacheHost.HostName -CachePort $cacheHost.PortNo -ErrorAction SilentlyContinue if ($null -eq $cacheHostConfig) { return @{} } return @{ HostName = $cacheHost.HostName Port = $cacheHost.PortNo CacheSizeInMB = $cacheHostConfig.Size } } catch{ return @{} } } $result } function Set-TargetResource { [CmdletBinding()] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [ValidateSet("Present","Absent")] [System.String] $Ensure, [parameter(Mandatory = $true)] [System.UInt32] $CacheSizeInMB, [parameter(Mandatory = $true)] [System.String] $ServiceAccount, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $InstallAccount, [parameter(Mandatory = $true)] [System.Boolean] $CreateFirewallRules ) $session = Get-xSharePointAuthenticatedPSSession -Credential $InstallAccount if ($Ensure -eq "Present") { Write-Verbose -Message "Adding the distributed cache to the server" if($createFirewallRules) { Write-Verbose -Message "Create a firewall rule for AppFabric" Invoke-Command -Session $session -ArgumentList $PSBoundParameters -ScriptBlock { $params = $args[0] Import-Module -Name NetSecurity $icmpRuleName = "File and Printer Sharing (Echo Request - ICMPv4-In)" $icmpPingFirewallRule = Get-NetFirewallRule -DisplayName $icmpRuleName -ErrorAction SilentlyContinue if($icmpPingFirewallRule) { Enable-NetFirewallRule -DisplayName $icmpRuleName } else { New-NetFirewallRule -Name Allow_Ping -DisplayName $icmpRuleName -Description "Allow ICMPv4 ping" -Protocol ICMPv4 -IcmpType 8 -Enabled True -Profile Any -Action Allow } $firewallRule = Get-NetFirewallRule -DisplayName "SharePoint Distribute Cache" -ErrorAction SilentlyContinue if($null -eq $firewallRule) { New-NetFirewallRule -Name "SPDistCache" -DisplayName "SharePoint Distribute Cache" -Protocol TCP -LocalPort 22233-22236 } Enable-NetFirewallRule -DisplayName "SharePoint Distribute Cache" } Write-Verbose -Message "Firewall rule added" } Invoke-Command -Session $session -ArgumentList $PSBoundParameters -ScriptBlock { $params = $args[0] Add-xSharePointDistributedCacheServer -CacheSizeInMB $params.CacheSizeInMB -ServiceAccount $params.ServiceAccount } } else { Write-Verbose -Message "Removing distributed cache to the server" Invoke-Command -Session $session -ArgumentList $PSBoundParameters -ScriptBlock { $params = $args[0] Remove-xSharePointDistributedCacheServer } $firewallRule = Get-NetFirewallRule -DisplayName "SharePoint Distribute Cache" -ErrorAction SilentlyContinue if($null -eq $firewallRule) { Write-Verbose -Message "Disabling firewall rules." Invoke-Command -Session $session -ArgumentList $PSBoundParameters -ScriptBlock { $params = $args[0] Import-Module -Name NetSecurity Disable-NetFirewallRule -DisplayName -DisplayName "SharePoint Distribute Cache" } } Write-Verbose -Message "Distributed cache removed." } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [parameter(Mandatory = $true)] [System.String] $Name, [parameter(Mandatory = $true)] [ValidateSet("Present","Absent")] [System.String] $Ensure, [parameter(Mandatory = $true)] [System.UInt32] $CacheSizeInMB, [parameter(Mandatory = $true)] [System.String] $ServiceAccount, [parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $InstallAccount, [parameter(Mandatory = $true)] [System.Boolean] $createFirewallRules ) $result = Get-TargetResource -Name $Name -Ensure $Ensure -CacheSizeInMB $CacheSizeInMB -ServiceAccount $ServiceAccount -InstallAccount $InstallAccount -CreateFirewallRules $createFirewallRules if ($Ensure -eq "Present") { if ($result.Count -eq 0) { return $false } else { if ($result.CacheSizeInMB -ne $CacheSizeInMB) { return $false } } return $true } else { if ($result.Count -eq 0) { return $true } return $false } } Export-ModuleMember -Function *-TargetResource |