DSCResources/MSFT_xSQLServerRole/MSFT_xSQLServerRole.psm1
Import-Module -Name (Join-Path -Path (Split-Path (Split-Path $PSScriptRoot -Parent) -Parent) ` -ChildPath 'xSQLServerHelper.psm1') ` -Force <# .SYNOPSIS This function gets the sql server role properties. .PARAMETER Members The members the server role should have. .PARAMETER MembersToInclude The members the server role should include. .PARAMETER MembersToExclude The members the server role should exclude. .PARAMETER ServerRoleName The name of server role to be created or dropped. .PARAMETER SQLServer The host name of the SQL Server to be configured. .PARAMETER SQLInstanceName The name of the SQL instance to be configured. #> function Get-TargetResource { [CmdletBinding()] [OutputType([System.Collections.Hashtable])] param ( [Parameter()] [System.String[]] $Members, [Parameter()] [System.String[]] $MembersToInclude, [Parameter()] [System.String[]] $MembersToExclude, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ServerRoleName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLServer, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLInstanceName ) $sqlServerObject = Connect-SQL -SQLServer $SQLServer -SQLInstanceName $SQLInstanceName $ensure = 'Present' if ($sqlServerObject) { Write-Verbose -Message "Getting properties of SQL Server role '$ServerRoleName'." if ($sqlServerRoleObject = $sqlServerObject.Roles[$ServerRoleName]) { try { $membersInRole = $sqlServerRoleObject.EnumMemberNames() } catch { throw New-TerminatingError -ErrorType EnumMemberNamesServerRoleGetError ` -FormatArgs @($SQLServer,$SQLInstanceName,$ServerRoleName) ` -ErrorCategory InvalidOperation ` -InnerException $_.Exception } if ($Members) { if ($MembersToInclude -or $MembersToExclude) { throw New-TerminatingError -ErrorType MembersToIncludeAndExcludeParamMustBeNull ` -FormatArgs @($SQLServer,$SQLInstanceName) ` -ErrorCategory InvalidArgument } if ( $null -ne (Compare-Object -ReferenceObject $membersInRole -DifferenceObject $Members)) { New-VerboseMessage -Message "The desired members are not present in server role $ServerRoleName" $ensure = 'Absent' } } else { if ($MembersToInclude) { foreach ($memberToInclude in $MembersToInclude) { if ( -not ($membersInRole.Contains($memberToInclude))) { New-VerboseMessage -Message "The included members are not present in server role $ServerRoleName" $ensure = 'Absent' } } } if ($MembersToExclude) { foreach ($memberToExclude in $MembersToExclude) { if ($membersInRole.Contains($memberToExclude)) { New-VerboseMessage -Message "The excluded members are present in server role $ServerRoleName" $ensure = 'Absent' } } } } } else { $ensure = 'Absent' } } $returnValue = @{ Ensure = $ensure Members = $membersInRole MembersToInclude = $MembersToInclude MembersToExclude = $MembersToExclude ServerRoleName = $ServerRoleName SQLServer = $SQLServer SQLInstanceName = $SQLInstanceName } $returnValue } <# .SYNOPSIS This function sets the sql server role properties. .PARAMETER Ensure When set to 'Present', the server role will be created. When set to 'Absent', the server role will be dropped. .PARAMETER Members The members the server role should have. .PARAMETER MembersToInclude The members the server role should include. .PARAMETER MembersToExclude The members the server role should exclude. .PARAMETER ServerRoleName The name of server role to be created or dropped. .PARAMETER SQLServer The host name of the SQL Server to be configured. .PARAMETER SQLInstanceName The name of the SQL instance to be configured. #> function Set-TargetResource { [CmdletBinding()] param ( [Parameter()] [ValidateSet('Present','Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.String[]] $Members, [Parameter()] [System.String[]] $MembersToInclude, [Parameter()] [System.String[]] $MembersToExclude, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ServerRoleName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLServer, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLInstanceName ) $sqlServerObject = Connect-SQL -SQLServer $SQLServer -SQLInstanceName $SQLInstanceName if ($sqlServerObject) { Write-Verbose -Message "Setting properties of SQL Server role '$ServerRoleName'." switch ($Ensure) { 'Absent' { try { $sqlServerRoleObjectToDrop = $sqlServerObject.Roles[$ServerRoleName] if ($sqlServerRoleObjectToDrop) { Write-Verbose -Message "Trying to drop the SQL Server role '$ServerRoleName'." $sqlServerRoleObjectToDrop.Drop() New-VerboseMessage -Message "Dropped the SQL Server role '$ServerRoleName'." } } catch { throw New-TerminatingError -ErrorType DropServerRoleSetError ` -FormatArgs @($SQLServer,$SQLInstanceName,$ServerRoleName) ` -ErrorCategory InvalidOperation ` -InnerException $_.Exception } } 'Present' { if ($null -eq $sqlServerObject.Roles[$ServerRoleName]) { try { $sqlServerRoleObjectToCreate = New-Object -TypeName Microsoft.SqlServer.Management.Smo.ServerRole ` -ArgumentList $sqlServerObject,$ServerRoleName if ($sqlServerRoleObjectToCreate) { Write-Verbose -Message "Creating the SQL Server role '$ServerRoleName'." $sqlServerRoleObjectToCreate.Create() New-VerboseMessage -Message "Created the SQL Server role '$ServerRoleName'." } } catch { throw New-TerminatingError -ErrorType CreateServerRoleSetError ` -FormatArgs @($SQLServer,$SQLInstanceName,$ServerRoleName) ` -ErrorCategory InvalidOperation ` -InnerException $_.Exception } } if ($Members) { if ($MembersToInclude -or $MembersToExclude) { throw New-TerminatingError -ErrorType MembersToIncludeAndExcludeParamMustBeNull ` -FormatArgs @($SQLServer,$SQLInstanceName) ` -ErrorCategory InvalidArgument } $memberNamesInRoleObject = $sqlServerObject.Roles[$ServerRoleName].EnumMemberNames() foreach ($memberName in $memberNamesInRoleObject) { if ( -not ($Members.Contains($memberName))) { Remove-SqlDscServerRoleMember -SqlServerObject $sqlServerObject ` -LoginName $memberName ` -ServerRoleName $ServerRoleName } } foreach ($memberToAdd in $Members) { if ( -not ($memberNamesInRoleObject.Contains($memberToAdd))) { Add-SqlDscServerRoleMember -SqlServerObject $sqlServerObject ` -LoginName $memberToAdd ` -ServerRoleName $ServerRoleName } } } else { if ($MembersToInclude) { $memberNamesInRoleObject = $sqlServerObject.Roles[$ServerRoleName].EnumMemberNames() foreach ($memberToInclude in $MembersToInclude) { if ( -not ($memberNamesInRoleObject.Contains($memberToInclude))) { Add-SqlDscServerRoleMember -SqlServerObject $sqlServerObject ` -LoginName $memberToInclude ` -ServerRoleName $ServerRoleName } } } if ($MembersToExclude) { $memberNamesInRoleObject = $sqlServerObject.Roles[$ServerRoleName].EnumMemberNames() foreach ($memberToExclude in $MembersToExclude) { if ($memberNamesInRoleObject.Contains($memberToExclude)) { Remove-SqlDscServerRoleMember -SqlServerObject $sqlServerObject ` -LoginName $memberToExclude ` -ServerRoleName $ServerRoleName } } } } } } } } <# .SYNOPSIS This function tests the sql server role properties. .PARAMETER Ensure When set to 'Present', the server role will be created. When set to 'Absent', the server role will be dropped. .PARAMETER Members The members the server role should have. .PARAMETER MembersToInclude The members the server role should include. .PARAMETER MembersToExclude The members the server role should exclude. .PARAMETER ServerRoleName The name of server role to be created or dropped. .PARAMETER SQLServer The host name of the SQL Server to be configured. .PARAMETER SQLInstanceName The name of the SQL instance to be configured. #> function Test-TargetResource { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter()] [ValidateSet('Present','Absent')] [System.String] $Ensure = 'Present', [Parameter()] [System.String[]] $Members, [Parameter()] [System.String[]] $MembersToInclude, [Parameter()] [System.String[]] $MembersToExclude, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ServerRoleName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLServer, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLInstanceName ) Write-Verbose -Message "Testing SQL Server role $ServerRoleName properties." $getTargetResourceParameters = @{ SQLInstanceName = $PSBoundParameters.SQLInstanceName SQLServer = $PSBoundParameters.SQLServer ServerRoleName = $PSBoundParameters.ServerRoleName Members = $PSBoundParameters.Members MembersToInclude = $PSBoundParameters.MembersToInclude MembersToExclude = $PSBoundParameters.MembersToExclude } $getTargetResourceResult = Get-TargetResource @getTargetResourceParameters $isServerRoleInDesiredState = $true switch ($Ensure) { 'Absent' { if ($getTargetResourceResult.Ensure -ne 'Absent') { New-VerboseMessage -Message "Ensure is set to Absent. The existing role $ServerRoleName should be dropped" $isServerRoleInDesiredState = $false } } 'Present' { if ($getTargetResourceResult.Ensure -ne 'Present') { New-VerboseMessage -Message ("Ensure is set to Present. The missing role $ServerRoleName " + ` "should be added or members are not correctly configured") $isServerRoleInDesiredState = $false } } } $isServerRoleInDesiredState } <# .SYNOPSIS Add a user to a server role in the SQL Server instance provided. .PARAMETER SqlServerObject An object returned from Connect-SQL function. .PARAMETER LoginName String containing the login (user) which should be added as a member to the server role. .PARAMETER ServerRoleName String containing the name of the server role which the user will be added as a member to. #> function Add-SqlDscServerRoleMember { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.Object] $SqlServerObject, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $LoginName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ServerRoleName ) if ( -not ($SqlServerObject.Logins[$LoginName]) ) { throw New-TerminatingError -ErrorType LoginNotFound ` -FormatArgs @($LoginName, $SQLServer, $SQLInstanceName) ` -ErrorCategory ObjectNotFound } try { Write-Verbose -Message "Adding SQL login $LoginName in role $ServerRoleName" $SqlServerObject.Roles[$ServerRoleName].AddMember($LoginName) New-VerboseMessage -Message "SQL Role $ServerRoleName for $LoginName, successfullly added" } catch { throw New-TerminatingError -ErrorType AddMemberServerRoleSetError ` -FormatArgs @($SQLServer,$SQLInstanceName,$ServerRoleName,$LoginName) ` -ErrorCategory InvalidOperation ` -InnerException $_.Exception } } <# .SYNOPSIS Remove a user in a server role in the SQL Server instance provided. .PARAMETER SqlServerObject An object returned from Connect-SQL function. .PARAMETER LoginName String containing the login (user) which should be removed as a member in the server role. .PARAMETER ServerRoleName String containing the name of the server role for which the user will be removed as a member. #> function Remove-SqlDscServerRoleMember { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.Object] $SqlServerObject, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $LoginName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ServerRoleName ) if ( -not ($SqlServerObject.Logins[$LoginName]) ) { throw New-TerminatingError -ErrorType LoginNotFound ` -FormatArgs @($LoginName, $SQLServer, $SQLInstanceName) ` -ErrorCategory ObjectNotFound } try { Write-Verbose -Message "Removing SQL login $LoginName from role $ServerRoleName" $SqlServerObject.Roles[$ServerRoleName].DropMember($LoginName) New-VerboseMessage -Message "SQL Role $ServerRoleName for $LoginName, successfullly dropped" } catch { throw New-TerminatingError -ErrorType DropMemberServerRoleSetError ` -FormatArgs @($SQLServer,$SQLInstanceName,$ServerRoleName,$LoginName) ` -ErrorCategory InvalidOperation ` -InnerException $_.Exception } } Export-ModuleMember -Function *-TargetResource |