functions/Remove-DbaAgDatabase.ps1
function Remove-DbaAgDatabase { <# .SYNOPSIS Removes a database from an availability group on a SQL Server instance. .DESCRIPTION Removes a database from an availability group on a SQL Server instance. .PARAMETER SqlInstance The target SQL Server instance or instances. Server version must be SQL Server version 2012 or higher. .PARAMETER SqlCredential Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential). Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory - Integrated are all supported. For MFA support, please use Connect-DbaInstance. .PARAMETER Database The database or databases to remove. .PARAMETER AvailabilityGroup Only remove databases from specific availability groups. .PARAMETER WhatIf Shows what would happen if the command were to run. No actions are actually performed. .PARAMETER Confirm Prompts you for confirmation before executing any changing operations within the command. .PARAMETER InputObject Enables piping from Get-DbaDatabase .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. .NOTES Tags: AG, HA 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 .LINK https://dbatools.io/Remove-DbaAgDatabase .EXAMPLE PS C:\> Remove-DbaAgDatabase -SqlInstance sqlserver2012 -AvailabilityGroup ag1, ag2 -Confirm:$false Removes all databases from the ag1 and ag2 availability groups on sqlserver2012. Does not prompt for confirmation. .EXAMPLE PS C:\> Remove-DbaAgDatabase -SqlInstance sqlserver2012 -AvailabilityGroup ag1 -Database pubs -Confirm:$false Removes the pubs database from the ag1 availability group on sqlserver2012. Does not prompt for confirmation. .EXAMPLE PS C:\> Get-DbaAvailabilityGroup -SqlInstance sqlserver2012 -AvailabilityGroup availabilitygroup1 | Remove-DbaAgDatabase Removes the availability groups returned from the Get-DbaAvailabilityGroup function. Prompts for confirmation. #> [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'High')] param ( [DbaInstanceParameter[]]$SqlInstance, [PSCredential]$SqlCredential, [string[]]$Database, [string[]]$AvailabilityGroup, # needs to accept db or agdb so generic object [parameter(ValueFromPipeline)] [object[]]$InputObject, [switch]$EnableException ) process { if (Test-Bound -Not SqlInstance, InputObject) { Stop-Function -Message "You must supply either -SqlInstance or an Input Object" return } if ((Test-Bound -ParameterName SqlInstance)) { if ((Test-Bound -Not -ParameterName Database)) { Stop-Function -Message "You must specify one or more databases and one or more Availability Groups when using the SqlInstance parameter." return } } if ($InputObject) { if ($InputObject[0].GetType().Name -eq 'Database') { $Database += $InputObject.Name } } if ($SqlInstance) { $InputObject += Get-DbaAgDatabase -SqlInstance $SqlInstance -SqlCredential $SqlCredential -Database $Database } foreach ($db in $InputObject) { if ($Pscmdlet.ShouldProcess($db.Parent.Parent.Name, "Removing availability group database $db")) { try { $ag = $db.Parent.Name $db.Parent.AvailabilityDatabases[$db.Name].Drop() [pscustomobject]@{ ComputerName = $db.ComputerName InstanceName = $db.InstanceName SqlInstance = $db.SqlInstance AvailabilityGroup = $ag Database = $db.Name Status = "Removed" } } catch { Stop-Function -Message "Failure" -ErrorRecord $_ -Continue } } } } } # 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