functions/Copy-DbaDbAssembly.ps1
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function Copy-DbaDbAssembly { <# .SYNOPSIS Copy-DbaDbAssembly migrates assemblies from one SQL Server to another. .DESCRIPTION By default, all assemblies are copied. If the assembly already exists on the destination, it will be skipped unless -Force is used. This script does not yet copy dependencies or dependent objects. .PARAMETER Source Source SQL Server. You must have sysadmin access and server version must be SQL Server version 2000 or higher. .PARAMETER SourceSqlCredential Login to the target instance using alternative credentials. Windows and SQL Authentication supported. Accepts credential objects (Get-Credential) .PARAMETER Destination Destination SQL Server. You must have sysadmin access and the server must be SQL Server 2000 or higher. .PARAMETER DestinationSqlCredential Login to the target instance using alternative credentials. Windows and SQL Authentication supported. Accepts credential objects (Get-Credential) .PARAMETER Assembly The assembly(ies) to process. This list is auto-populated from the server. If unspecified, all assemblies will be processed. .PARAMETER ExcludeAssembly The assembly(ies) to exclude. This list is auto-populated from the server. .PARAMETER WhatIf If this switch is enabled, no actions are performed but informational messages will be displayed that explain what would happen if the command were to run. .PARAMETER Confirm If this switch is enabled, you will be prompted for confirmation before executing any operations that change state. .PARAMETER EnableException By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message. This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting. Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch. .PARAMETER Force If this switch is enabled, existing assemblies on Destination with matching names from Source will be dropped. .NOTES Tags: Migration, Assembly Author: Chrissy LeMaire (@cl), netnerds.net Website: https://dbatools.io Copyright: (c) 2018 by dbatools, licensed under MIT License: MIT https://opensource.org/licenses/MIT Requires: sysadmin access on SQL Servers .LINK http://dbatools.io/Get-SqlDatabaseAssembly .EXAMPLE PS C:\> Copy-DbaDbAssembly -Source sqlserver2014a -Destination sqlcluster Copies all assemblies from sqlserver2014a to sqlcluster using Windows credentials. If assemblies with the same name exist on sqlcluster, they will be skipped. .EXAMPLE PS C:\> Copy-DbaDbAssembly -Source sqlserver2014a -Destination sqlcluster -Assembly dbname.assemblyname, dbname3.anotherassembly -SourceSqlCredential $cred -Force Copies two assemblies, the dbname.assemblyname and dbname3.anotherassembly from sqlserver2014a to sqlcluster using SQL credentials for sqlserver2014a and Windows credentials for sqlcluster. If an assembly with the same name exists on sqlcluster, it will be dropped and recreated because -Force was used. In this example, anotherassembly will be copied to the dbname3 database on the server sqlcluster. .EXAMPLE PS C:\> Copy-DbaDbAssembly -Source sqlserver2014a -Destination sqlcluster -WhatIf -Force Shows what would happen if the command were executed using force. #> [CmdletBinding(DefaultParameterSetName = "Default", SupportsShouldProcess, ConfirmImpact = "Medium")] param ( [parameter(Mandatory)] [DbaInstanceParameter]$Source, [PSCredential]$SourceSqlCredential, [parameter(Mandatory)] [DbaInstanceParameter[]]$Destination, [PSCredential]$DestinationSqlCredential, [object[]]$Assembly, [object[]]$ExcludeAssembly, [switch]$Force, [switch]$EnableException ) begin { try { $sourceServer = Connect-SqlInstance -SqlInstance $Source -SqlCredential $SourceSqlCredential -MinimumVersion 9 } catch { Stop-Function -Message "Error occurred while establishing connection to $instance" -Category ConnectionError -ErrorRecord $_ -Target $Source return } $sourceAssemblies = @() foreach ($database in ($sourceServer.Databases | Where-Object IsAccessible)) { Write-Message -Level Verbose -Message "Processing $database on source" try { # a bug here requires a try/catch $userAssemblies = $database.Assemblies | Where-Object IsSystemObject -eq $false foreach ($assembly in $userAssemblies) { $sourceAssemblies += $assembly } } catch { #here to avoid an empty catch $null = 1 } } if ($Force) {$ConfirmPreference = 'none'} } process { if (Test-FunctionInterrupt) { return } foreach ($destinstance in $Destination) { try { $destServer = Connect-SqlInstance -SqlInstance $destinstance -SqlCredential $DestinationSqlCredential -MinimumVersion 9 } catch { Stop-Function -Message "Error occurred while establishing connection to $instance" -Category ConnectionError -ErrorRecord $_ -Target $destinstance -Continue } $destAssemblies = @() foreach ($database in $destServer.Databases) { Write-Message -Level VeryVerbose -Message "Processing $database on destination" try { # a bug here requires a try/catch $userAssemblies = $database.Assemblies | Where-Object IsSystemObject -eq $false foreach ($assembly in $userAssemblies) { $destAssemblies += $assembly } } catch { #here to avoid an empty catch $null = 1 } } foreach ($currentAssembly in $sourceAssemblies) { $assemblyName = $currentAssembly.Name $dbName = $currentAssembly.Parent.Name $destDb = $destServer.Databases[$dbName] Write-Message -Level VeryVerbose -Message "Processing $assemblyName on $dbname" $copyDbAssemblyStatus = [pscustomobject]@{ SourceServer = $sourceServer.Name SourceDatabase = $dbName DestinationServer = $destServer.Name DestinationDatabase = $destDb type = "Database Assembly" Name = $assemblyName Status = $null Notes = $null DateTime = [Sqlcollaborative.Dbatools.Utility.DbaDateTime](Get-Date) } if (!$destDb) { $copyDbAssemblyStatus.Status = "Skipped" $copyDbAssemblyStatus.Notes = "Destination database does not exist" $copyDbAssemblyStatus | Select-DefaultView -Property DateTime, SourceServer, DestinationServer, Name, Type, Status, Notes -TypeName MigrationObject Write-Message -Level Verbose -Message "Destination database $dbName does not exist. Skipping $assemblyName."; continue } if ((Test-Bound -ParameterName Assembly) -and $Assembly -notcontains "$dbName.$assemblyName" -or $ExcludeAssembly -contains "$dbName.$assemblyName") { continue } if ($currentAssembly.AssemblySecurityLevel -eq "External" -and -not $destDb.Trustworthy) { if ($Pscmdlet.ShouldProcess($destinstance, "Setting $dbName to External")) { Write-Message -Level Verbose -Message "Setting $dbName Security Level to External on $destinstance." $sql = "ALTER DATABASE $dbName SET TRUSTWORTHY ON" try { Write-Message -Level Debug -Message $sql $destServer.Query($sql) } catch { $copyDbAssemblyStatus.Status = "Failed" $copyDbAssemblyStatus | Select-DefaultView -Property DateTime, SourceServer, DestinationServer, Name, Type, Status, Notes -TypeName MigrationObject Stop-Function -Message "Issue setting security level." -Target $destDb -ErrorRecord $_ } } } if ($destServer.Databases[$dbName].Assemblies.Name -contains $currentAssembly.name) { if ($force -eq $false) { $copyDbAssemblyStatus.Status = "Skipped" $copyDbAssemblyStatus.Notes = "Already exists on destination" $copyDbAssemblyStatus | Select-DefaultView -Property DateTime, SourceServer, DestinationServer, Name, Type, Status, Notes -TypeName MigrationObject Write-Message -Level Verbose -Message "Assembly $assemblyName exists at destination in the $dbName database. Use -Force to drop and migrate." continue } else { if ($Pscmdlet.ShouldProcess($destinstance, "Dropping assembly $assemblyName and recreating")) { try { Write-Message -Level Verbose -Message "Dropping assembly $assemblyName." Write-Message -Level Verbose -Message "This won't work if there are dependencies." $destServer.Databases[$dbName].Assemblies[$assemblyName].Drop() Write-Message -Level Verbose -Message "Copying assembly $assemblyName." $sql = $currentAssembly.Script() Write-Message -Level Debug -Message $sql $destServer.Query($sql, $dbName) } catch { $copyDbAssemblyStatus.Status = "Failed" $copyDbAssemblyStatus | Select-DefaultView -Property DateTime, SourceServer, DestinationServer, Name, Type, Status, Notes -TypeName MigrationObject Stop-Function -Message "Issue dropping assembly." -Target $assemblyName -ErrorRecord $_ -Continue } } } } if ($Pscmdlet.ShouldProcess($destinstance, "Creating assembly $assemblyName")) { try { Write-Message -Level Verbose -Message "Copying assembly $assemblyName from database." $sql = $currentAssembly.Script() Write-Message -Level Debug -Message $sql $destServer.Query($sql, $dbName) $copyDbAssemblyStatus.Status = "Successful" $copyDbAssemblyStatus | Select-DefaultView -Property DateTime, SourceServer, DestinationServer, Name, Type, Status, Notes -TypeName MigrationObject } catch { $copyDbAssemblyStatus.Status = "Failed" $copyDbAssemblyStatus | Select-DefaultView -Property DateTime, SourceServer, DestinationServer, Name, Type, Status, Notes -TypeName MigrationObject Stop-Function -Message "Issue creating assembly." -Target $assemblyName -ErrorRecord $_ } } } } } } |