dbatools

1.1.5

functions/Get-DbaInstalledPatch.ps1

                                function Get-DbaInstalledPatch {

    <#

    .SYNOPSIS

        Retrives a historical list of all SQL Patches (CUs, Service Packs & Hot-fixes) installed on a Computer.

    .DESCRIPTION

        Retrives a historical list of all SQL Patches (CUs, Service Packs & Hot-fixes) installed on a Computer.

        To test to see if your build is up to date, use Test-DbaBuild.

    .PARAMETER ComputerName

        Allows you to specify a comma separated list of servers to query.

    .PARAMETER Credential

        Credential object used to connect to the Computer as a different user.

    .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: Updates, Patches

        Author: Hiram Fleitas, @hiramfleitas, fleitasarts.com

        Website: https://dbatools.io

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

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

    .LINK

        https://dbatools.io/Get-DbaInstalledPatch

    .EXAMPLE

        PS C:\> Get-DbaInstalledPatch -ComputerName HiramSQL1, HiramSQL2

        Gets a list of SQL Server patches installed on HiramSQL1 and HiramSQL2.

    .EXAMPLE

        PS C:\> Get-Content C:\Monitoring\Servers.txt | Get-DbaInstalledPatch

        Gets the SQL Server patches from a list of computers in C:\Monitoring\Servers.txt.

    .EXAMPLE

        PS C:\> Get-DbaInstalledPatch -ComputerName SRV1 | Sort-Object InstallDate.Date

        Gets the SQL Server patches from SRV1 and orders by date. Note that we use

        a special customizable date datatype for InstallDate so you'll need InstallDate.Date

    #>

    [CmdletBinding()]

    param (

        [Parameter(ValueFromPipeline)]

        [DbaInstanceParameter[]]$ComputerName = $env:COMPUTERNAME,

        [PSCredential]$Credential,

        [switch]$EnableException

    )

    process {

        foreach ($computer in $ComputerName.ComputerName) {

            try {

                $patches = Invoke-Command2 -ComputerName $computer -Credential $Credential -ScriptBlock {

                    Get-ChildItem -Path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall | Get-ItemProperty | Where-Object { $_.DisplayName -like "Hotfix*SQL*" -or $_.DisplayName -like "Service Pack*SQL*" } | Sort-Object InstallDate

                }

            } catch {

                Stop-Function -Message "Failed" -Continue -Target $computer -ErrorRecord $_

            }

            foreach ($patch in $patches) {

                [pscustomobject]@{

                    ComputerName = $computer

                    Name         = $patch.DisplayName

                    Version      = $patch.DisplayVersion

                    InstallDate  = [dbadate][datetime]::ParseExact($patch.InstallDate, 'yyyyMMdd', $null)

                }

            }

        }

    }

}

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