dbatools

1.1.8

functions/Remove-DbaDbCertificate.ps1

                                function Remove-DbaDbCertificate {

    <#

    .SYNOPSIS

        Deletes specified database certificate

    .DESCRIPTION

        Deletes specified database certificate

    .PARAMETER SqlInstance

        The SQL Server to create the certificates on.

    .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 where the certificate will be removed.

    .PARAMETER Certificate

        The certificate that will be removed

    .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 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 InputObject

        Piped certificate objects

    .NOTES

        Tags: Certificate

        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-DbaDbCertificate

    .EXAMPLE

        PS C:\> Remove-DbaDbCertificate -SqlInstance Server1

        The certificate in the master database on server1 will be removed if it exists.

    .EXAMPLE

        PS C:\> Remove-DbaDbCertificate -SqlInstance Server1 -Database db1 -Confirm:$false

        Suppresses all prompts to remove the certificate in the 'db1' database and drops the key.

    #>

    [CmdletBinding(DefaultParameterSetName = "Default", SupportsShouldProcess, ConfirmImpact = "High")]

    param (

        [DbaInstanceParameter[]]$SqlInstance,

        [PSCredential]$SqlCredential,

        [string[]]$Database,

        [string[]]$Certificate,

        [parameter(ValueFromPipeline)]

        [Microsoft.SqlServer.Management.Smo.Certificate[]]$InputObject,

        [switch]$EnableException

    )

    process {

        if ($SqlInstance) {

            $InputObject += Get-DbaDbCertificate -SqlInstance $SqlInstance -SqlCredential $SqlCredential -Certificate $Certificate -Database $Database

        }

        foreach ($cert in $InputObject) {

            $db = $cert.Parent

            $server = $db.Parent

            if ($Pscmdlet.ShouldProcess($server.Name, "Dropping the certificate named $cert for database $db")) {

                try {

                    # erroractionprefs are not invoked for .net methods suddenly (??), so use Invoke-DbaQuery

                    # Avoids modifying the collection

                    Invoke-DbaQuery -SqlInstance $server -Database $db.Name -Query "DROP CERTIFICATE $cert" -EnableException

                    Write-Message -Level Verbose -Message "Successfully removed certificate named $cert from the $db database on $server"

                    [pscustomobject]@{

                        ComputerName = $server.ComputerName

                        InstanceName = $server.ServiceName

                        SqlInstance  = $server.DomainInstanceName

                        Database     = $db.Name

                        Certificate  = $cert.Name

                        Status       = "Success"

                    }

                } catch {

                    Stop-Function -Message "Failed to drop certificate named $($cert.Name) from $($db.Name) on $($server.Name)." -Target $smocert -ErrorRecord $_ -Continue

                }

            }

        }

    }

}

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