DSCResources/MSFT_SPFarmAdministrators/MSFT_SPFarmAdministrators.psm1
function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [String] $IsSingleInstance, [Parameter()] [System.String[]] $Members, [Parameter()] [System.String[]] $MembersToInclude, [Parameter()] [System.String[]] $MembersToExclude, [Parameter()] [System.Management.Automation.PSCredential] $InstallAccount ) Write-Verbose -Message "Getting Farm Administrators configuration" if ($Members -and (($MembersToInclude) -or ($MembersToExclude))) { throw ("Cannot use the Members parameter together with the " + ` "MembersToInclude or MembersToExclude parameters") } if (!$Members -and !$MembersToInclude -and !$MembersToExclude) { throw ("At least one of the following parameters must be specified: " + ` "Members, MembersToInclude, MembersToExclude") } $result = Invoke-SPDscCommand -Credential $InstallAccount ` -Arguments $PSBoundParameters ` -ScriptBlock { $params = $args[0] $nullReturn = @{ IsSingleInstance = "Yes" Members = $null MembersToInclude = $null MembersToExclude = $null } $webApps = Get-SPWebApplication -IncludeCentralAdministration $caWebapp = $webApps | Where-Object -FilterScript { $_.IsAdministrationWebApplication } if ($null -eq $caWebapp) { Write-Verbose "Unable to locate central administration website" return $nullReturn } $caWeb = Get-SPWeb($caWebapp.Url) $farmAdminGroup = $caWeb.AssociatedOwnerGroup $farmAdministratorsGroup = $caWeb.SiteGroups.GetByName($farmAdminGroup) return @{ IsSingleInstance = "Yes" Members = $farmAdministratorsGroup.users.UserLogin MembersToInclude = $params.MembersToInclude MembersToExclude = $params.MembersToExclude } } return $result } function Set-TargetResource { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [String] $IsSingleInstance, [Parameter()] [System.String[]] $Members, [Parameter()] [System.String[]] $MembersToInclude, [Parameter()] [System.String[]] $MembersToExclude, [Parameter()] [System.Management.Automation.PSCredential] $InstallAccount ) Write-Verbose -Message "Setting Farm Administrators configuration" if ($Members -and (($MembersToInclude) -or ($MembersToExclude))) { throw ("Cannot use the Members parameter together with the " + ` "MembersToInclude or MembersToExclude parameters") } if (!$Members -and !$MembersToInclude -and !$MembersToExclude) { throw ("At least one of the following parameters must be specified: " + ` "Members, MembersToInclude, MembersToExclude") } $CurrentValues = Get-TargetResource @PSBoundParameters if ($null -eq $CurrentValues.Members) { throw "Unable to locate central administration website" } $changeUsers = @{ } $runChange = $false if ($Members) { Write-Verbose "Processing Members parameter" $differences = Compare-Object -ReferenceObject $CurrentValues.Members ` -DifferenceObject $Members if ($null -eq $differences) { Write-Verbose "Farm Administrators group matches. No further processing required" } else { Write-Verbose "Farm Administrators group does not match. Perform corrective action" $addUsers = @() $removeUsers = @() foreach ($difference in $differences) { if ($difference.SideIndicator -eq "=>") { # Add account $user = $difference.InputObject Write-Verbose "Add $user to Add list" $addUsers += $user } elseif ($difference.SideIndicator -eq "<=") { # Remove account $user = $difference.InputObject Write-Verbose "Add $user to Remove list" $removeUsers += $user } } if ($addUsers.count -gt 0) { Write-Verbose "Adding $($addUsers.Count) users to the Farm Administrators group" $changeUsers.Add = $addUsers $runChange = $true } if ($removeUsers.count -gt 0) { Write-Verbose "Removing $($removeUsers.Count) users from the Farm Administrators group" $changeUsers.Remove = $removeUsers $runChange = $true } } } if ($MembersToInclude) { Write-Verbose "Processing MembersToInclude parameter" $addUsers = @() foreach ($member in $MembersToInclude) { if (-not($CurrentValues.Members -contains $member)) { Write-Verbose "$member is not a Farm Administrator. Add user to Add list" $addUsers += $member } else { Write-Verbose "$member is already a Farm Administrator. Skipping" } } if ($addUsers.count -gt 0) { Write-Verbose "Adding $($addUsers.Count) users to the Farm Administrators group" $changeUsers.Add = $addUsers $runChange = $true } } if ($MembersToExclude) { Write-Verbose "Processing MembersToExclude parameter" $removeUsers = @() foreach ($member in $MembersToExclude) { if ($CurrentValues.Members -contains $member) { Write-Verbose "$member is a Farm Administrator. Add user to Remove list" $removeUsers += $member } else { Write-Verbose "$member is not a Farm Administrator. Skipping" } } if ($removeUsers.count -gt 0) { Write-Verbose "Removing $($removeUsers.Count) users from the Farm Administrators group" $changeUsers.Remove = $removeUsers $runChange = $true } } if ($runChange) { Write-Verbose "Apply changes" Merge-SPDscFarmAdminList $changeUsers } } function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [ValidateSet('Yes')] [String] $IsSingleInstance, [Parameter()] [System.String[]] $Members, [Parameter()] [System.String[]] $MembersToInclude, [Parameter()] [System.String[]] $MembersToExclude, [Parameter()] [System.Management.Automation.PSCredential] $InstallAccount ) Write-Verbose -Message "Testing Farm Administrators configuration" if ($Members -and (($MembersToInclude) -or ($MembersToExclude))) { throw ("Cannot use the Members parameter together with the " + ` "MembersToInclude or MembersToExclude parameters") } if (!$Members -and !$MembersToInclude -and !$MembersToExclude) { throw ("At least one of the following parameters must be specified: " + ` "Members, MembersToInclude, MembersToExclude") } $CurrentValues = Get-TargetResource @PSBoundParameters Write-Verbose -Message "Current Values: $(Convert-SPDscHashtableToString -Hashtable $CurrentValues)" Write-Verbose -Message "Target Values: $(Convert-SPDscHashtableToString -Hashtable $PSBoundParameters)" if ($null -eq $CurrentValues.Members) { $message = "There are no users configured as Farm Administrator" Write-Verbose -Message $message Add-SPDscEvent -Message $message -EntryType 'Error' -EventID 1 -Source $MyInvocation.MyCommand.Source Write-Verbose -Message "Test-TargetResource returned false" return $false } if ($Members) { Write-Verbose "Processing Members parameter" $differences = Compare-Object -ReferenceObject $CurrentValues.Members ` -DifferenceObject $Members if ($null -eq $differences) { Write-Verbose -Message "Farm Administrators group matches the specified Members" Write-Verbose -Message "Test-TargetResource returned true" return $true } else { $message = ("Farm Administrators group does not match the specified Members" + ` "Actual: $($CurrentValues.Members -join ", "). Desired: $($Members -join ", ")") Write-Verbose -Message $message Add-SPDscEvent -Message $message -EntryType 'Error' -EventID 1 -Source $MyInvocation.MyCommand.Source Write-Verbose -Message "Test-TargetResource returned false" return $false } } $result = $true if ($MembersToInclude) { Write-Verbose "Processing MembersToInclude parameter" foreach ($member in $MembersToInclude) { if (-not($CurrentValues.Members -contains $member)) { $message = ("$member is not a Farm Administrator, but is included in MembersToInclude: " + ` "$($MembersToInclude -join ", ")") Write-Verbose -Message $message Add-SPDscEvent -Message $message -EntryType 'Error' -EventID 1 -Source $MyInvocation.MyCommand.Source $result = $false } else { Write-Verbose "$member is already a Farm Administrator. Skipping" } } } if ($MembersToExclude) { Write-Verbose "Processing MembersToExclude parameter" foreach ($member in $MembersToExclude) { if ($CurrentValues.Members -contains $member) { $message = ("$member is a Farm Administrator, but is included in MembersToExclude: " + ` "$($MembersToExclude -join ", ")") Write-Verbose -Message $message Add-SPDscEvent -Message $message -EntryType 'Error' -EventID 1 -Source $MyInvocation.MyCommand.Source $result = $false } else { Write-Verbose "$member is not a Farm Administrator. Skipping" } } } Write-Verbose -Message "Test-TargetResource returned $result" return $result } function Merge-SPDscFarmAdminList { param ( [Parameter()] [Hashtable] $changeUsers ) $null = Invoke-SPDscCommand -Credential $InstallAccount ` -Arguments $changeUsers ` -ScriptBlock { $changeUsers = $args[0] $webApps = Get-SPWebApplication -IncludeCentralAdministration $caWebapp = $webApps | Where-Object -FilterScript { $_.IsAdministrationWebApplication } if ($null -eq $caWebapp) { throw "Unable to locate central administration website" } $caWeb = Get-SPWeb($caWebapp.Url) $farmAdminGroup = $caWeb.AssociatedOwnerGroup if ($changeUsers.ContainsKey("Add")) { foreach ($loginName in $changeUsers.Add) { $caWeb.SiteGroups.GetByName($farmAdminGroup).AddUser($loginName, "", "", "") } } if ($changeUsers.ContainsKey("Remove")) { foreach ($loginName in $changeUsers.Remove) { $removeUser = get-spuser $loginName -web $caWebapp.Url $caWeb.SiteGroups.GetByName($farmAdminGroup).RemoveUser($removeUser) } } } } Export-ModuleMember -Function *-TargetResource |