dbatools

1.0.171

functions/New-DbaServerRole.ps1

                                function New-DbaServerRole {

    <#

    .SYNOPSIS

        Create new server-level roles.

    .DESCRIPTION

        The New-DbaServerRole create new roles on instance(s) of SQL Server.

   .PARAMETER SqlInstance

        The target SQL Server instance or instances.

    .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 ServerRole

        Server-Level role to be created.

    .PARAMETER Owner

        The owner of the role. If not specified will assume the default dbo.

    .PARAMETER InputObject

        Enables piped input 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: Role, Database, Security

        Author: Cláudio Silva (@ClaudioESSilva), https://claudioessilva.eu

        Website: https://dbatools.io

        Copyright: (c) 2018 by dbatools, licensed under MIT

        License: MIT https://opensource.org/licenses/MIT

    .LINK

        https://dbatools.io/New-DbaServerRole

    .EXAMPLE

        PS C:\> New-DbaServerRole -SqlInstance sql2017a -ServerRole 'dbExecuter' -Owner sa

        Will create a new server role named dbExecuter and grant ownership to the login sa on sql2017a instance.

    #>

    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'Medium')]

    param (

        [Parameter(Mandatory, ValueFromPipeline)]

        [DbaInstanceParameter[]]$SqlInstance,

        [PSCredential]$SqlCredential,

        [String[]]$ServerRole,

        [String]$Owner,

        [switch]$EnableException

    )

    process {

        if (-not $ServerRole) {

            Stop-Function -Message "You must specify a new server-level role name. Use -ServerRole parameter."

            return

        }

        foreach ($instance in $SqlInstance) {

            try {

                $server = Connect-SqlInstance -SqlInstance $instance -SqlCredential $SqlCredential

            } catch {

                Stop-Function -Message "Error occurred while establishing connection to $instance" -Category ConnectionError -ErrorRecord $_ -Target $instance -Continue

            }

            $serverRoles = $server.Roles

            foreach ($role in $ServerRole) {

                if ($serverRoles | Where-Object Name -eq $role) {

                    Stop-Function -Message "The server-level role $role already exists on instance $server." -Target $instance -Continue

                }

                if ($Pscmdlet.ShouldProcess("Creating new server-level role $role on $server")) {

                    Write-Message -Level Verbose -Message "Creating new server-level role $role on $server"

                    try {

                        $newServerRole = New-Object -TypeName Microsoft.SqlServer.Management.Smo.ServerRole

                        $newServerRole.Name = $role

                        $newServerRole.Parent = $server

                        if ($Owner) {

                            $newServerRole.Owner = $Owner

                        }

                        $newServerRole.Create()

                        Get-DbaServerRole -SqlInstance $server -ServerRole $role -EnableException

                    } catch {

                        Stop-Function -Message "Failure" -ErrorRecord $_ -Continue

                    }

                }

            }

        }

    }

}

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