dbatools

1.1.7

functions/Stop-DbaExternalProcess.ps1

                                function Stop-DbaExternalProcess {

    <#

    .SYNOPSIS

        Stops an OS process created by SQL Server

    .DESCRIPTION

        Stops an OS process created by SQL Server

        Helps when killing hung sessions with External Wait Types

        https://web.archive.org/web/20201027122300/http://vickyharp.com/2013/12/killing-sessions-with-external-wait-types/

    .PARAMETER ComputerName

        The target SQL Server host computer

    .PARAMETER Credential

        Allows you to login to $ComputerName using alternative credentials.

    .PARAMETER ProcessId

        The process ID of the OS process to kill

    .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: Process

        Author: Chrissy LeMaire (@cl), netnerds.net

        Website: https://dbatools.io

        Copyright: (c) 2021 by dbatools, licensed under MIT

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

    .LINK

        https://dbatools.io/Stop-DbaExternalProcess

    .EXAMPLE

        PS C:\> Get-DbaExternalProcess -ComputerName SQL01 | Stop-DbaExternalProcess

        Kills all OS processes created by SQL Server on SQL01

    .EXAMPLE

        PS C:\> Get-DbaExternalProcess -ComputerName SQL01 | Where-Object Name -eq "cmd.exe" | Stop-DbaExternalProcess

        Kills all cmd.exe processes created by SQL Server on SQL01

    #>

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

    param (

        [parameter(ValueFromPipelineByPropertyname, Mandatory)]

        [DbaInstanceParameter]$ComputerName,

        [parameter(ValueFromPipelineByPropertyname)]

        [PSCredential]$Credential,

        [Alias("pid")]

        [parameter(ValueFromPipelineByPropertyname)]

        [int]$ProcessId,

        [switch]$EnableException

    )

    process {

        try {

            # gotta add ToString(), otherwise it returns null after the process is killed

            $name = (Get-DbaCmObject -ComputerName $ComputerName -Credential $Credential -ClassName win32_process | Where-Object ProcessId -eq $ProcessId).ProcessName

            $name = "$name".ToString()

            if ($Pscmdlet.ShouldProcess($ComputerName, "Killing PID $ProcessId ($name)")) {

                Invoke-Command2 -ComputerName $ComputerName -Credential $Credential -ScriptBlock {

                    Stop-Process -Id $args -Force -Confirm:$false

                } -ArgumentList $ProcessId -ErrorAction Stop

                [PSCustomObject]@{

                    ComputerName = $ComputerName

                    ProcessId    = $ProcessId

                    Name         = $name

                    Status       = "Stopped"

                }

            }

        } catch {

            Stop-Function -Message "Error killing $ProcessId on $ComputerName" -ErrorRecord $_ -Continue

        }

    }

}

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