SqlServerDscHelper.psm1
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# Load Localization Data Import-Module -Name (Join-Path -Path (Join-Path -Path $PSScriptRoot ` -ChildPath 'DscResources') ` -ChildPath 'CommonResourceHelper.psm1') $script:localizedData = Get-LocalizedData -ResourceName 'SqlServerDscHelper' -ScriptRoot $PSScriptRoot <# .SYNOPSIS Connect to a SQL Server Database Engine and return the server object. .PARAMETER SQLServer String containing the host name of the SQL Server to connect to. .PARAMETER SQLInstanceName String containing the SQL Server Database Engine instance to connect to. .PARAMETER SetupCredential PSCredential object with the credentials to use to impersonate a user when connecting. If this is not provided then the current user will be used to connect to the SQL Server Database Engine instance. .PARAMETER LoginType If the SetupCredential is set, specify with this parameter, which type of credentials are set: Native SQL login or Windows user Login. Default value is 'WindowsUser'. #> function Connect-SQL { [CmdletBinding()] param ( [ValidateNotNull()] [System.String] $SQLServer = $env:COMPUTERNAME, [ValidateNotNull()] [System.String] $SQLInstanceName = 'MSSQLSERVER', [ValidateNotNull()] [System.Management.Automation.PSCredential] $SetupCredential, [Parameter()] [ValidateSet('WindowsUser', 'SqlLogin')] [System.String] $LoginType = 'WindowsUser' ) Import-SQLPSModule if ($SQLInstanceName -eq 'MSSQLSERVER') { $databaseEngineInstance = $SQLServer } else { $databaseEngineInstance = "$SQLServer\$SQLInstanceName" } if ($SetupCredential) { $sql = New-Object -TypeName Microsoft.SqlServer.Management.Smo.Server if ($LoginType -eq 'SqlLogin') { $sql.ConnectionContext.LoginSecure = $false $sql.ConnectionContext.Login = $SetupCredential.Username $sql.ConnectionContext.SecurePassword = $SetupCredential.Password } if ($LoginType -eq 'WindowsUser') { $sql.ConnectionContext.ConnectAsUser = $true $sql.ConnectionContext.ConnectAsUserPassword = $SetupCredential.GetNetworkCredential().Password $sql.ConnectionContext.ConnectAsUserName = $SetupCredential.GetNetworkCredential().UserName } $sql.ConnectionContext.ServerInstance = $databaseEngineInstance $sql.ConnectionContext.Connect() } else { $sql = New-Object -TypeName Microsoft.SqlServer.Management.Smo.Server -ArgumentList $databaseEngineInstance } if ( $sql.Status -match '^Online$' ) { Write-Verbose -Message ($script:localizedData.ConnectedToDatabaseEngineInstance -f $databaseEngineInstance) -Verbose return $sql } else { $errorMessage = $script:localizedData.FailedToConnectToDatabaseEngineInstance -f $databaseEngineInstance New-InvalidOperationException -Message $errorMessage } } <# .SYNOPSIS Connect to a SQL Server Analysis Service and return the server object. .PARAMETER SQLServer String containing the host name of the SQL Server to connect to. .PARAMETER SQLInstanceName String containing the SQL Server Analysis Service instance to connect to. .PARAMETER SetupCredential PSCredential object with the credentials to use to impersonate a user when connecting. If this is not provided then the current user will be used to connect to the SQL Server Analysis Service instance. #> function Connect-SQLAnalysis { [CmdletBinding()] param ( [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $SQLServer = $env:COMPUTERNAME, [Parameter()] [ValidateNotNullOrEmpty()] [System.String] $SQLInstanceName = 'MSSQLSERVER', [Parameter()] [ValidateNotNullOrEmpty()] [System.Management.Automation.PSCredential] [System.Management.Automation.Credential()] $SetupCredential ) $null = [System.Reflection.Assembly]::LoadWithPartialName('Microsoft.AnalysisServices') if ($SQLInstanceName -eq 'MSSQLSERVER') { $analysisServiceInstance = $SQLServer } else { $analysisServiceInstance = "$SQLServer\$SQLInstanceName" } if ($SetupCredential) { $userName = $SetupCredential.GetNetworkCredential().UserName $password = $SetupCredential.GetNetworkCredential().Password $analysisServicesDataSource = "Data Source=$analysisServiceInstance;User ID=$userName;Password=$password" } else { $analysisServicesDataSource = "Data Source=$analysisServiceInstance" } try { $analysisServicesObject = New-Object -TypeName Microsoft.AnalysisServices.Server if ($analysisServicesObject) { $analysisServicesObject.Connect($analysisServicesDataSource) } else { $errorMessage = $script:localizedData.FailedToConnectToAnalysisServicesInstance -f $analysisServiceInstance New-InvalidOperationException -Message $errorMessage } Write-Verbose -Message ($script:localizedData.ConnectedToAnalysisServicesInstance -f $analysisServiceInstance) -Verbose } catch { $errorMessage = $script:localizedData.FailedToConnectToAnalysisServicesInstance -f $analysisServiceInstance New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } return $analysisServicesObject } <# .SYNOPSIS Creates a new application domain and loads the assemblies Microsoft.SqlServer.Smo for the correct SQL Server major version. An isolated application domain is used to load version specific assemblies, this needed if there is multiple versions of SQL server in the same configuration. So that a newer version of SQL is not using an older version of the assembly, or vice verse. This should be unloaded using the helper function Unregister-SqlAssemblies or using [System.AppDomain]::Unload($applicationDomainObject). .PARAMETER SQLInstanceName String containing the SQL Server Database Engine instance name to get the major SQL version from. .PARAMETER ApplicationDomain An optional System.AppDomain object to load the assembly into. .OUTPUTS System.AppDomain. Returns the application domain object with SQL SMO loaded. #> function Register-SqlSmo { [CmdletBinding()] [OutputType([System.AppDomain])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLInstanceName, [Parameter()] [ValidateNotNullOrEmpty()] [System.AppDomain] $ApplicationDomain ) $sqlMajorVersion = Get-SqlInstanceMajorVersion -SQLInstanceName $SQLInstanceName Write-Verbose -Message ($script:localizedData.SqlMajorVersion -f $sqlMajorVersion) -Verbose if ( -not $ApplicationDomain ) { $applicationDomainName = $MyInvocation.MyCommand.ModuleName Write-Verbose -Message ($script:localizedData.CreatingApplicationDomain -f $applicationDomainName) -Verbose $applicationDomainObject = [System.AppDomain]::CreateDomain($applicationDomainName) } else { Write-Verbose -Message ($script:localizedData.ReusingApplicationDomain -f $ApplicationDomain.FriendlyName) -Verbose $applicationDomainObject = $ApplicationDomain } $sqlSmoAssemblyName = "Microsoft.SqlServer.Smo, Version=$sqlMajorVersion.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" Write-Verbose -Message ($script:localizedData.LoadingAssembly -f $sqlSmoAssemblyName) -Verbose $applicationDomainObject.Load($sqlSmoAssemblyName) | Out-Null return $applicationDomainObject } <# .SYNOPSIS Creates a new application domain and loads the assemblies Microsoft.SqlServer.Smo and Microsoft.SqlServer.SqlWmiManagement for the correct SQL Server major version. An isolated application domain is used to load version specific assemblies, this needed if there is multiple versions of SQL server in the same configuration. So that a newer version of SQL is not using an older version of the assembly, or vice verse. This should be unloaded using the helper function Unregister-SqlAssemblies or using [System.AppDomain]::Unload($applicationDomainObject) preferably in a finally block. .PARAMETER SQLInstanceName String containing the SQL Server Database Engine instance name to get the major SQL version from. .PARAMETER ApplicationDomain An optional System.AppDomain object to load the assembly into. .OUTPUTS System.AppDomain. Returns the application domain object with SQL WMI Management loaded. #> function Register-SqlWmiManagement { [CmdletBinding()] [OutputType([System.AppDomain])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLInstanceName, [Parameter()] [ValidateNotNull()] [System.AppDomain] $ApplicationDomain ) $sqlMajorVersion = Get-SqlInstanceMajorVersion -SQLInstanceName $SQLInstanceName Write-Verbose -Message ($script:localizedData.SqlMajorVersion -f $sqlMajorVersion) -Verbose <# Must register Microsoft.SqlServer.Smo first because that is a dependency of Microsoft.SqlServer.SqlWmiManagement. #> if (-not $ApplicationDomain) { $applicationDomainObject = Register-SqlSmo -SQLInstanceName $SQLInstanceName } # Returns zero (0) objects if the assembly is not found elseif (-not ($ApplicationDomain.GetAssemblies().FullName -match 'Microsoft.SqlServer.Smo')) { $applicationDomainObject = Register-SqlSmo -SQLInstanceName $SQLInstanceName -ApplicationDomain $ApplicationDomain } $sqlSqlWmiManagementAssemblyName = "Microsoft.SqlServer.SqlWmiManagement, Version=$sqlMajorVersion.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91" Write-Verbose -Message ($script:localizedData.LoadingAssembly -f $sqlSqlWmiManagementAssemblyName) -Verbose $applicationDomainObject.Load($sqlSqlWmiManagementAssemblyName) | Out-Null return $applicationDomainObject } <# .SYNOPSIS Unloads all assemblies in an application domain. It unloads the application domain. .PARAMETER ApplicationDomain System.AppDomain object containing the SQL assemblies to unload. #> function Unregister-SqlAssemblies { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNull()] [System.AppDomain] $ApplicationDomain ) Write-Verbose -Message ($script:localizedData.UnloadingApplicationDomain -f $ApplicationDomain.FriendlyName) -Verbose [System.AppDomain]::Unload($ApplicationDomain) } <# .SYNOPSIS Returns the major SQL version for the specific instance. .PARAMETER SQLInstanceName String containing the name of the SQL instance to be configured. Default value is 'MSSQLSERVER'. .OUTPUTS System.UInt16. Returns the SQL Server major version number. #> function Get-SqlInstanceMajorVersion { [CmdletBinding()] [OutputType([System.UInt16])] param ( [Parameter(Mandatory = $true)] [System.String] $SQLInstanceName = 'MSSQLSERVER' ) $sqlInstanceId = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Microsoft SQL Server\Instance Names\SQL').$SQLInstanceName $sqlVersion = (Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Microsoft SQL Server\$sqlInstanceId\Setup").Version if (-not $sqlVersion) { $errorMessage = $script:localizedData.SqlServerVersionIsInvalid -f $SQLInstanceName New-InvalidResultException -Message $errorMessage } [System.UInt16] $sqlMajorVersionNumber = $sqlVersion.Split('.')[0] return $sqlMajorVersionNumber } <# .SYNOPSIS Returns a localized error message. This helper function is obsolete, should use new helper functions. https://github.com/PowerShell/SqlServerDsc/blob/dev/CONTRIBUTING.md#localization https://github.com/PowerShell/SqlServerDsc/blob/dev/DSCResources/CommonResourceHelper.psm1 Strings in this function has not been localized since this helper function should be removed when all resources has moved over to the new localization, .PARAMETER ErrorType String containing the key of the localized error message. .PARAMETER FormatArgs Collection of strings to replace format objects in the error message. .PARAMETER ErrorCategory The category to use for the error message. Default value is 'OperationStopped'. Valid values are a value from the enumeration System.Management.Automation.ErrorCategory. .PARAMETER TargetObject The object that was being operated on when the error occurred. .PARAMETER InnerException Exception object that was thrown when the error occurred, which will be added to the final error message. #> function New-TerminatingError { [CmdletBinding()] [OutputType([System.Management.Automation.ErrorRecord])] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $ErrorType, [Parameter(Mandatory = $false)] [System.String[]] $FormatArgs, [Parameter(Mandatory = $false)] [System.Management.Automation.ErrorCategory] $ErrorCategory = [System.Management.Automation.ErrorCategory]::OperationStopped, [Parameter(Mandatory = $false)] [System.Object] $TargetObject = $null, [Parameter(Mandatory = $false)] [System.Exception] $InnerException = $null ) $errorMessage = $script:localizedData.$ErrorType if(!$errorMessage) { $errorMessage = ($script:localizedData.NoKeyFound -f $ErrorType) if(!$errorMessage) { $errorMessage = ("No Localization key found for key: {0}" -f $ErrorType) } } $errorMessage = ($errorMessage -f $FormatArgs) if( $InnerException ) { $errorMessage += " InnerException: $($InnerException.Message)" } $callStack = Get-PSCallStack # Get Name of calling script if($callStack[1] -and $callStack[1].ScriptName) { $scriptPath = $callStack[1].ScriptName $callingScriptName = $scriptPath.Split('\')[-1].Split('.')[0] $errorId = "$callingScriptName.$ErrorType" } else { $errorId = $ErrorType } Write-Verbose -Message "$($script:localizedData.$ErrorType -f $FormatArgs) | ErrorType: $errorId" $exception = New-Object -TypeName System.Exception -ArgumentList $errorMessage, $InnerException $errorRecord = New-Object -TypeName System.Management.Automation.ErrorRecord -ArgumentList $exception, $errorId, $ErrorCategory, $TargetObject return $errorRecord } <# .SYNOPSIS Displays a localized warning message. This helper function is obsolete, should use Write-Warning together with individual resource localization strings. https://github.com/PowerShell/SqlServerDsc/blob/dev/CONTRIBUTING.md#localization Strings in this function has not been localized since this helper function should be removed when all resources has moved over to the new localization, .PARAMETER WarningType String containing the key of the localized warning message. .PARAMETER FormatArgs Collection of strings to replace format objects in warning message. #> function New-WarningMessage { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $WarningType, [Parameter()] [System.String[]] $FormatArgs ) ## Attempt to get the string from the localized data $warningMessage = $script:localizedData.$WarningType ## Ensure there is a message present in the localization file if (!$warningMessage) { $errorParams = @{ ErrorType = 'NoKeyFound' FormatArgs = $WarningType ErrorCategory = 'InvalidArgument' TargetObject = 'New-WarningMessage' } ## Raise an error indicating the localization data is not present throw New-TerminatingError @errorParams } ## Apply formatting $warningMessage = $warningMessage -f $FormatArgs ## Write the message as a warning Write-Warning -Message $warningMessage } <# .SYNOPSIS Displays a standardized verbose message. This helper function is obsolete, should use Write-Verbose together with individual resource localization strings. https://github.com/PowerShell/SqlServerDsc/blob/dev/CONTRIBUTING.md#localization Strings in this function has not been localized since this helper function should be removed when all resources has moved over to the new localization, .PARAMETER Message String containing the key of the localized warning message. #> function New-VerboseMessage { [CmdletBinding()] [Alias()] [OutputType([System.String])] Param ( [Parameter(Mandatory = $true)] [System.String] $Message ) Write-Verbose -Message ((Get-Date -format yyyy-MM-dd_HH-mm-ss) + ": $Message") -Verbose } <# .SYNOPSIS This method is used to compare current and desired values for any DSC resource. .PARAMETER CurrentValues This is hash table of the current values that are applied to the resource. .PARAMETER DesiredValues This is a PSBoundParametersDictionary of the desired values for the resource. .PARAMETER ValuesToCheck This is a list of which properties in the desired values list should be checked. If this is empty then all values in DesiredValues are checked. #> function Test-SQLDscParameterState { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.Collections.Hashtable] $CurrentValues, [Parameter(Mandatory = $true)] [System.Object] $DesiredValues, [Parameter()] [System.Array] $ValuesToCheck ) $returnValue = $true if (($DesiredValues.GetType().Name -ne 'HashTable') ` -and ($DesiredValues.GetType().Name -ne 'CimInstance') ` -and ($DesiredValues.GetType().Name -ne 'PSBoundParametersDictionary')) { $errorMessage = $script:localizedData.PropertyTypeInvalidForDesiredValues -f $($DesiredValues.GetType().Name) New-InvalidArgumentException -ArgumentName 'DesiredValues' -Message $errorMessage } if (($DesiredValues.GetType().Name -eq 'CimInstance') -and ($null -eq $ValuesToCheck)) { $errorMessage = $script:localizedData.PropertyTypeInvalidForValuesToCheck New-InvalidArgumentException -ArgumentName 'ValuesToCheck' -Message $errorMessage } if (($null -eq $ValuesToCheck) -or ($ValuesToCheck.Count -lt 1)) { $keyList = $DesiredValues.Keys } else { $keyList = $ValuesToCheck } $keyList | ForEach-Object -Process { if (($_ -ne 'Verbose')) { if (($CurrentValues.ContainsKey($_) -eq $false) ` -or ($CurrentValues.$_ -ne $DesiredValues.$_) ` -or (($DesiredValues.GetType().Name -ne 'CimInstance' -and $DesiredValues.ContainsKey($_) -eq $true) -and ($null -ne $DesiredValues.$_ -and $DesiredValues.$_.GetType().IsArray))) { if ($DesiredValues.GetType().Name -eq 'HashTable' -or ` $DesiredValues.GetType().Name -eq 'PSBoundParametersDictionary') { $checkDesiredValue = $DesiredValues.ContainsKey($_) } else { # If DesiredValue is a CimInstance. $checkDesiredValue = $false if (([System.Boolean]($DesiredValues.PSObject.Properties.Name -contains $_)) -eq $true) { if ($null -ne $DesiredValues.$_) { $checkDesiredValue = $true } } } if ($checkDesiredValue) { $desiredType = $DesiredValues.$_.GetType() $fieldName = $_ if ($desiredType.IsArray -eq $true) { if (($CurrentValues.ContainsKey($fieldName) -eq $false) ` -or ($null -eq $CurrentValues.$fieldName)) { Write-Verbose -Message ($script:localizedData.PropertyValidationError -f $fieldName) -Verbose $returnValue = $false } else { $arrayCompare = Compare-Object -ReferenceObject $CurrentValues.$fieldName ` -DifferenceObject $DesiredValues.$fieldName if ($null -ne $arrayCompare) { Write-Verbose -Message ($script:localizedData.PropertiesDoesNotMatch -f $fieldName) -Verbose $arrayCompare | ForEach-Object -Process { Write-Verbose -Message ($script:localizedData.PropertyThatDoesNotMatch -f $_.InputObject, $_.SideIndicator) -Verbose } $returnValue = $false } } } else { switch ($desiredType.Name) { 'String' { if (-not [System.String]::IsNullOrEmpty($CurrentValues.$fieldName) -or ` -not [System.String]::IsNullOrEmpty($DesiredValues.$fieldName)) { Write-Verbose -Message ($script:localizedData.ValueOfTypeDoesNotMatch ` -f $desiredType.Name, $fieldName, $($CurrentValues.$fieldName), $($DesiredValues.$fieldName)) -Verbose $returnValue = $false } } 'Int32' { if (-not ($DesiredValues.$fieldName -eq 0) -or ` -not ($null -eq $CurrentValues.$fieldName)) { Write-Verbose -Message ($script:localizedData.ValueOfTypeDoesNotMatch ` -f $desiredType.Name, $fieldName, $($CurrentValues.$fieldName), $($DesiredValues.$fieldName)) -Verbose $returnValue = $false } } { $_ -eq 'Int16' -or $_ -eq 'UInt16'} { if (-not ($DesiredValues.$fieldName -eq 0) -or ` -not ($null -eq $CurrentValues.$fieldName)) { Write-Verbose -Message ($script:localizedData.ValueOfTypeDoesNotMatch ` -f $desiredType.Name, $fieldName, $($CurrentValues.$fieldName), $($DesiredValues.$fieldName)) -Verbose $returnValue = $false } } default { Write-Warning -Message ($script:localizedData.UnableToCompareProperty ` -f $fieldName, $desiredType.Name) $returnValue = $false } } } } } } } return $returnValue } <# .SYNOPSIS Imports the module SQLPS in a standardized way. #> function Import-SQLPSModule { [CmdletBinding()] param ( ) $module = (Get-Module -FullyQualifiedName 'SqlServer' -ListAvailable).Name if ($module) { Write-Verbose -Message ($script:localizedData.PreferredModuleFound) -Verbose } else { Write-Verbose -Message ($script:localizedData.PreferredModuleNotFound) -Verbose <# After installing SQL Server the current PowerShell session doesn't know about the new path that was added for the SQLPS module. This reloads PowerShell session environment variable PSModulePath to make sure it contains all paths. #> $env:PSModulePath = [System.Environment]::GetEnvironmentVariable('PSModulePath', 'Machine') $module = (Get-Module -FullyQualifiedName 'SQLPS' -ListAvailable).Name } if ($module) { try { Write-Debug -Message ($script:localizedData.DebugMessagePushingLocation) Push-Location Write-Verbose -Message ($script:localizedData.ImportingPowerShellModule -f $module) -Verbose <# SQLPS has unapproved verbs, disable checking to ignore Warnings. Suppressing verbose so all cmdlet is not listed. #> Import-Module -Name $module -DisableNameChecking -Verbose:$False -ErrorAction Stop Write-Debug -Message ($script:localizedData.DebugMessageImportedPowerShellModule -f $module) } catch { $errorMessage = $script:localizedData.FailedToImportPowerShellSqlModule -f $module New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } finally { Write-Debug -Message ($script:localizedData.DebugMessagePoppingLocation) Pop-Location } } else { $errorMessage = $script:localizedData.PowerShellSqlModuleNotFound New-InvalidOperationException -Message $errorMessage } } <# .SYNOPSIS Restarts a SQL Server instance and associated services .PARAMETER SQLServer Hostname of the SQL Server to be configured .PARAMETER SQLInstanceName Name of the SQL instance to be configured. Default is 'MSSQLSERVER' .PARAMETER Timeout Timeout value for restarting the SQL services. The default value is 120 seconds. .EXAMPLE Restart-SqlService -SQLServer localhost .EXAMPLE Restart-SqlService -SQLServer localhost -SQLInstanceName 'NamedInstance' .EXAMPLE Restart-SqlService -SQLServer CLU01 -Timeout 300 #> function Restart-SqlService { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [System.String] $SQLServer, [Parameter()] [System.String] $SQLInstanceName = 'MSSQLSERVER', [Parameter()] [System.UInt32] $Timeout = 120 ) ## Connect to the instance $serverObject = Connect-SQL -SQLServer $SQLServer -SQLInstanceName $SQLInstanceName if ($serverObject.IsClustered) { # Get the cluster resources Write-Verbose -Message ($script:localizedData.GetSqlServerClusterResources) -Verbose $sqlService = Get-CimInstance -Namespace root/MSCluster -ClassName MSCluster_Resource -Filter "Type = 'SQL Server'" | Where-Object -FilterScript { $_.PrivateProperties.InstanceName -eq $serverObject.ServiceName } Write-Verbose -Message ($script:localizedData.GetSqlAgentClusterResource) -Verbose $agentService = $sqlService | Get-CimAssociatedInstance -ResultClassName MSCluster_Resource | Where-Object -FilterScript { ($_.Type -eq 'SQL Server Agent') -and ($_.State -eq 2) } # Build a listing of resources being acted upon $resourceNames = @($sqlService.Name, ($agentService | Select-Object -ExpandProperty Name)) -join "," # Stop the SQL Server and dependent resources Write-Verbose -Message ($script:localizedData.BringClusterResourcesOffline -f $resourceNames) -Verbose $sqlService | Invoke-CimMethod -MethodName TakeOffline -Arguments @{ Timeout = $Timeout } # Start the SQL server resource Write-Verbose -Message ($script:localizedData.BringSqlServerClusterResourcesOnline) -Verbose $sqlService | Invoke-CimMethod -MethodName BringOnline -Arguments @{ Timeout = $Timeout } # Start the SQL Agent resource if ($agentService) { Write-Verbose -Message ($script:localizedData.BringSqlServerAgentClusterResourcesOnline) -Verbose $agentService | Invoke-CimMethod -MethodName BringOnline -Arguments @{ Timeout = $Timeout } } } else { Write-Verbose -Message ($script:localizedData.GetServiceInformation -f 'SQL Server') -Verbose $sqlService = Get-Service -DisplayName "SQL Server ($($serverObject.ServiceName))" <# Get all dependent services that are running. There are scenarios where an automatic service is stopped and should not be restarted automatically. #> $agentService = $sqlService.DependentServices | Where-Object -FilterScript { $_.Status -eq 'Running' } # Restart the SQL Server service Write-Verbose -Message ($script:localizedData.RestartService -f 'SQL Server') -Verbose $sqlService | Restart-Service -Force # Start dependent services $agentService | ForEach-Object { Write-Verbose -Message ($script:localizedData.StartingDependentService -f $_.DisplayName) -Verbose $_ | Start-Service } } Write-Verbose -Message ($script:localizedData.WaitingInstanceTimeout -f $SQLServer, $SQLInstanceName, $Timeout) -Verbose $connectTimer = [System.Diagnostics.StopWatch]::StartNew() do { # This call, if it fails, will take between ~9-10 seconds to return. $testConnectionServerObject = Connect-SQL -SQLServer $SQLServer -SQLInstanceName $SQLInstanceName -ErrorAction SilentlyContinue if ($testConnectionServerObject -and $testConnectionServerObject.Status -ne 'Online') { # Waiting 2 seconds to not hammer the SQL Server instance. Start-Sleep -Seconds 2 } else { break } } until ($connectTimer.Elapsed.Seconds -ge $Timeout) $connectTimer.Stop() # Was the timeout period reach before able to connect to the SQL Server instance? if (-not $testConnectionServerObject -or $testConnectionServerObject.Status -ne 'Online') { $errorMessage = $script:localizedData.FailedToConnectToInstanceTimeout -f $SQLServer, $SQLInstanceName, $Timeout New-InvalidOperationException -Message $errorMessage } } <# .SYNOPSIS Restarts a Reporting Services instance and associated services .PARAMETER SQLInstanceName Name of the instance to be restarted. Default is 'MSSQLSERVER' (the default instance). #> function Restart-ReportingServicesService { [CmdletBinding()] param ( [Parameter()] [System.String] $SQLInstanceName = 'MSSQLSERVER' ) $ServiceName = 'ReportServer' if (-not ($SQLInstanceName -eq 'MSSQLSERVER')) { $ServiceName += '${0}' -f $SQLInstanceName } Write-Verbose -Message ($script:localizedData.GetServiceInformation -f 'Reporting Services') -Verbose $reportingServicesService = Get-Service -Name $ServiceName <# Get all dependent services that are running. There are scenarios where an automatic service is stopped and should not be restarted automatically. #> $dependentService = $reportingServicesService.DependentServices | Where-Object -FilterScript { $_.Status -eq 'Running' } Write-Verbose -Message ($script:localizedData.RestartService -f 'Reporting Services') -Verbose $reportingServicesService | Restart-Service -Force # Start dependent services $dependentService | ForEach-Object { Write-Verbose -Message ($script:localizedData.StartingDependentService -f $_.DisplayName) -Verbose $_ | Start-Service } } <# .SYNOPSIS Executes a query on the specified database. .PARAMETER SQLServer The hostname of the server that hosts the SQL instance. .PARAMETER SQLInstanceName The name of the SQL instance that hosts the database. .PARAMETER Database Specify the name of the database to execute the query on. .PARAMETER Query The query string to execute. .PARAMETER WithResults Specifies if the query should return results. .EXAMPLE Invoke-Query -SQLServer Server1 -SQLInstanceName MSSQLSERVER -Database master -Query 'SELECT name FROM sys.databases' -WithResults .EXAMPLE Invoke-Query -SQLServer Server1 -SQLInstanceName MSSQLSERVER -Database master -Query 'RESTORE DATABASE [NorthWinds] WITH RECOVERY' #> function Invoke-Query { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLServer, [Parameter(Mandatory = $true)] [System.String] $SQLInstanceName, [Parameter(Mandatory = $true)] [System.String] $Database, [Parameter(Mandatory = $true)] [System.String] $Query, [Parameter()] [Switch] $WithResults ) $serverObject = Connect-SQL -SQLServer $SQLServer -SQLInstanceName $SQLInstanceName if ( $WithResults ) { try { $result = $serverObject.Databases[$Database].ExecuteWithResults($Query) } catch { $errorMessage = $script:localizedData.ExecuteQueryWithResultsFailed -f $Database New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } } else { try { $serverObject.Databases[$Database].ExecuteNonQuery($Query) } catch { $errorMessage = $script:localizedData.ExecuteNonQueryFailed -f $Database New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } } return $result } <# .SYNOPSIS Executes the alter method on an Availability Group Replica object. .PARAMETER AvailabilityGroupReplica The Availability Group Replica object that must be altered. #> function Update-AvailabilityGroupReplica { param ( [Parameter(Mandatory = $true)] [Microsoft.SqlServer.Management.Smo.AvailabilityReplica] $AvailabilityGroupReplica ) try { $originalErrorActionPreference = $ErrorActionPreference $ErrorActionPreference = 'Stop' $AvailabilityGroupReplica.Alter() } catch { $errorMessage = $script:localizedData.AlterAvailabilityGroupReplicaFailed -f $AvailabilityGroupReplica.Name New-InvalidOperationException -Message $errorMessage -ErrorRecord $_ } finally { $ErrorActionPreference = $originalErrorActionPreference } } function Test-LoginEffectivePermissions { param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLServer, [Parameter(Mandatory = $true)] [System.String] $SQLInstanceName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $LoginName, [Parameter(Mandatory = $true)] [System.String[]] $Permissions ) # Assume the permissions are not present $permissionsPresent = $false $invokeQueryParameters = @{ SQLServer = $SQLServer SQLInstanceName = $SQLInstanceName Database = 'master' WithResults = $true } $queryToGetEffectivePermissionsForLogin = " EXECUTE AS LOGIN = '$LoginName' SELECT DISTINCT permission_name FROM fn_my_permissions(null,'SERVER') REVERT " Write-Verbose -Message ($script:localizedData.GetEffectivePermissionForLogin -f $LoginName, $sqlInstanceName) -Verbose $loginEffectivePermissionsResult = Invoke-Query @invokeQueryParameters -Query $queryToGetEffectivePermissionsForLogin $loginEffectivePermissions = $loginEffectivePermissionsResult.Tables.Rows.permission_name if ( $null -ne $loginEffectivePermissions ) { $loginMissingPermissions = Compare-Object -ReferenceObject $Permissions -DifferenceObject $loginEffectivePermissions | Where-Object -FilterScript { $_.SideIndicator -ne '=>' } | Select-Object -ExpandProperty InputObject if ( $loginMissingPermissions.Count -eq 0 ) { $permissionsPresent = $true } } return $permissionsPresent } <# .SYNOPSIS Determine if the seeding mode of the specified availability group is automatic. .PARAMETER SQLServer The hostname of the server that hosts the SQL instance. .PARAMETER SQLInstanceName The name of the SQL instance that hosts the availability group. .PARAMETER AvailabilityGroupName The name of the availability group to check. .PARAMETER AvailabilityReplicaName The name of the availability replica to check. #> function Test-AvailabilityReplicaSeedingModeAutomatic { param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $SQLServer, [Parameter(Mandatory = $true)] [System.String] $SQLInstanceName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $AvailabilityGroupName, [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $AvailabilityReplicaName ) # Assume automatic seeding is disabled by default $availabilityReplicaSeedingModeAutomatic = $false $serverObject = Connect-SQL -SQLServer $SQLServer -SQLInstanceName $SQLInstanceName # Only check the seeding mode if this is SQL 2016 or newer if ( $serverObject.Version -ge 13 ) { $invokeQueryParams = @{ SQLServer = $SQLServer SQLInstanceName = $SQLInstanceName Database = 'master' WithResults = $true } $queryToGetSeedingMode = " SELECT seeding_mode_desc FROM sys.availability_replicas ar INNER JOIN sys.availability_groups ag ON ar.group_id = ag.group_id WHERE ag.name = '$AvailabilityGroupName' AND ar.replica_server_name = '$AvailabilityReplicaName' " $seedingModeResults = Invoke-Query @invokeQueryParams -Query $queryToGetSeedingMode $seedingMode = $seedingModeResults.Tables.Rows.seeding_mode_desc if ( $seedingMode -eq 'Automatic' ) { $availabilityReplicaSeedingModeAutomatic = $true } } return $availabilityReplicaSeedingModeAutomatic } <# .SYNOPSIS Get the server object of the primary replica of the specified availability group. .PARAMETER ServerObject The current server object connection. .PARAMETER AvailabilityGroup The availability group object used to find the primary replica server name. #> function Get-PrimaryReplicaServerObject { param ( [Parameter(Mandatory = $true)] [Microsoft.SqlServer.Management.Smo.Server] $ServerObject, [Parameter(Mandatory = $true)] [Microsoft.SqlServer.Management.Smo.AvailabilityGroup] $AvailabilityGroup ) $primaryReplicaServerObject = $serverObject # Determine if we're connected to the primary replica if ( ( $AvailabilityGroup.PrimaryReplicaServerName -ne $serverObject.DomainInstanceName ) -and ( -not [System.String]::IsNullOrEmpty($AvailabilityGroup.PrimaryReplicaServerName) ) ) { $primaryReplicaServerObject = Connect-SQL -SQLServer $AvailabilityGroup.PrimaryReplicaServerName } return $primaryReplicaServerObject } <# .SYNOPSIS Determine if the current login has impersonate permissions .PARAMETER ServerObject The server object on which to perform the test. #> function Test-ImpersonatePermissions { param ( [Parameter(Mandatory = $true)] [Microsoft.SqlServer.Management.Smo.Server] $ServerObject ) $testLoginEffectivePermissionsParams = @{ SQLServer = $ServerObject.ComputerNamePhysicalNetBIOS SQLInstanceName = $ServerObject.ServiceName LoginName = $ServerObject.ConnectionContext.TrueLogin Permissions = @('IMPERSONATE ANY LOGIN') } $impersonatePermissionsPresent = Test-LoginEffectivePermissions @testLoginEffectivePermissionsParams if ( -not $impersonatePermissionsPresent ) { New-VerboseMessage -Message ( 'The login "{0}" does not have impersonate permissions on the instance "{1}\{2}".' -f $testLoginEffectivePermissionsParams.LoginName, $testLoginEffectivePermissionsParams.SQLServer, $testLoginEffectivePermissionsParams.SQLInstanceName ) } return $impersonatePermissionsPresent } <# .SYNOPSIS Takes a SQL Instance name in the format of 'Server\Instance' and splits it into a hash table prepared to be passed into Connect-SQL. .PARAMETER FullSQLInstanceName The full SQL instance name string to be split. .OUTPUTS Hash table with the properties SQLServer and SQLInstanceName. #> function Split-FullSQLInstanceName { param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [System.String] $FullSQLInstanceName ) $sqlServer,$sqlInstanceName = $FullSQLInstanceName.Split('\') if ( [System.String]::IsNullOrEmpty($sqlInstanceName) ) { $sqlInstanceName = 'MSSQLSERVER' } return @{ SQLServer = $sqlServer SQLInstanceName = $sqlInstanceName } } <# .SYNOPSIS Determine if the cluster has the required permissions to the supplied server. .PARAMETER ServerObject The server object on which to perform the test. #> function Test-ClusterPermissions { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [Microsoft.SqlServer.Management.Smo.Server] $ServerObject ) $clusterServiceName = 'NT SERVICE\ClusSvc' $ntAuthoritySystemName = 'NT AUTHORITY\SYSTEM' $availabilityGroupManagementPerms = @('Connect SQL', 'Alter Any Availability Group', 'View Server State') $clusterPermissionsPresent = $false # Retrieve the SQL Server and Instance name from the server object $sqlServer = $ServerObject.NetName $sqlInstanceName = $ServerObject.ServiceName foreach ( $loginName in @( $clusterServiceName, $ntAuthoritySystemName ) ) { if ( $ServerObject.Logins[$loginName] -and -not $clusterPermissionsPresent ) { $testLoginEffectivePermissionsParams = @{ SQLServer = $sqlServer SQLInstanceName = $sqlInstanceName LoginName = $loginName Permissions = $availabilityGroupManagementPerms } $clusterPermissionsPresent = Test-LoginEffectivePermissions @testLoginEffectivePermissionsParams if ( -not $clusterPermissionsPresent ) { switch ( $loginName ) { $clusterServiceName { Write-Verbose -Message ( $script:localizedData.ClusterLoginMissingRecommendedPermissions -f $loginName,( $availabilityGroupManagementPerms -join ', ' ) ) -Verbose } $ntAuthoritySystemName { Write-Verbose -Message ( $script:localizedData.ClusterLoginMissingPermissions -f $loginName,( $availabilityGroupManagementPerms -join ', ' ) ) -Verbose } } } else { Write-Verbose -Message ( $script:localizedData.ClusterLoginPermissionsPresent -f $loginName ) -Verbose } } elseif ( -not $clusterPermissionsPresent ) { switch ( $loginName ) { $clusterServiceName { Write-Verbose -Message ($script:localizedData.ClusterLoginMissingRecommendedPermissions -f $loginName,"Trying with '$ntAuthoritySystemName'.") -Verbose } $ntAuthoritySystemName { Write-Verbose -Message ( $script:localizedData.ClusterLoginMissing -f $loginName,'' ) -Verbose } } } } # If neither 'NT SERVICE\ClusSvc' or 'NT AUTHORITY\SYSTEM' have the required permissions, throw an error. if ( -not $clusterPermissionsPresent ) { throw ($script:localizedData.ClusterPermissionsMissing -f $sqlServer,$sqlInstanceName ) } return $clusterPermissionsPresent } <# .SYNOPSIS Determine if the current node is hosting the instance. .PARAMETER ServerObject The server object on which to perform the test. #> function Test-ActiveNode { [CmdletBinding()] [OutputType([System.Boolean])] param ( [Parameter(Mandatory = $true)] [Microsoft.SqlServer.Management.Smo.Server] $ServerObject ) $result = $false # Determine if this is a failover cluster instance (FCI) if ( $ServerObject.IsMemberOfWsfcCluster ) { <# If the current node name is the same as the name the instances is running on, then this is the active node #> $result = $ServerObject.ComputerNamePhysicalNetBIOS -eq $env:COMPUTERNAME } else { <# This is a standalone instance, therefore the node will always host the instance. #> $result = $true } return $result } |