dbatools

1.1.16

functions/Get-DbaDbMasterKey.ps1

                                function Get-DbaDbMasterKey {

    <#

    .SYNOPSIS

        Gets specified database master key

    .DESCRIPTION

        Gets specified database master key

    .PARAMETER SqlInstance

        The target SQL Server instance

    .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

        Get master key from specific database

    .PARAMETER ExcludeDatabase

        The database(s) to exclude - this list is auto-populated from the server

    .PARAMETER InputObject

        Database object piped in from Get-DbaDatabase

    .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.

    .NOTES

        Tags: Certificate, Database

        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/Get-DbaDbMasterKey

    .EXAMPLE

        PS C:\> Get-DbaDbMasterKey -SqlInstance sql2016

        Gets all master database keys

    .EXAMPLE

        PS C:\> Get-DbaDbMasterKey -SqlInstance Server1 -Database db1

        Gets the master key for the db1 database

    #>

    [CmdletBinding()]

    param (

        [DbaInstanceParameter[]]$SqlInstance,

        [PSCredential]$SqlCredential,

        [string[]]$Database,

        [string[]]$ExcludeDatabase,

        [parameter(ValueFromPipeline)]

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

        [switch]$EnableException

    )

    process {

        if ($SqlInstance) {

            $InputObject += Get-DbaDatabase -SqlInstance $SqlInstance -Database $Database -ExcludeDatabase $ExcludeDatabase -SqlCredential $SqlCredential

        }

        foreach ($db in $InputObject) {

            if (!$db.IsAccessible) {

                Write-Message -Level Warning -Message "Database $db on $($db.Parent) is not accessible. Skipping."

                continue

            }

            $masterkey = $db.MasterKey

            if (!$masterkey) {

                Write-Message -Message "No master key exists in the $db database on $instance" -Target $db -Level Verbose

                continue

            }

            Add-Member -Force -InputObject $masterkey -MemberType NoteProperty -Name ComputerName -value $db.Parent.ComputerName

            Add-Member -Force -InputObject $masterkey -MemberType NoteProperty -Name InstanceName -value $db.Parent.ServiceName

            Add-Member -Force -InputObject $masterkey -MemberType NoteProperty -Name SqlInstance -value $db.Parent.DomainInstanceName

            Add-Member -Force -InputObject $masterkey -MemberType NoteProperty -Name Database -value $db.Name

            Select-DefaultView -InputObject $masterkey -Property ComputerName, InstanceName, SqlInstance, Database, CreateDate, DateLastModified, IsEncryptedByServer

        }

    }

}

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