functions/Get-DbaInstanceProperty.ps1

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#ValidationTags#Messaging,FlowControl,Pipeline,CodeStyle#
function Get-DbaInstanceProperty {
    <#
    .SYNOPSIS
        Gets SQL Server instance properties of one or more instance(s) of SQL Server.
 
    .DESCRIPTION
        The Get-DbaInstanceProperty command gets SQL Server instance properties from the SMO object sqlserver.
 
    .PARAMETER SqlInstance
        The target SQL Server instance or instances. This can be a collection and receive pipeline input to allow the function to be executed against multiple SQL Server instances.
 
    .PARAMETER SqlCredential
        Login to the target instance using alternative credentials. Windows and SQL Authentication supported. Accepts credential objects (Get-Credential)
 
    .PARAMETER InstanceProperty
        SQL Server instance property(ies) to include.
 
    .PARAMETER ExcludeInstanceProperty
        SQL Server instance property(ies) to exclude.
 
    .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: Instance, Configure, Configuration
        Author: Klaas Vandenberghe (@powerdbaklaas)
 
        Website: https://dbatools.io
        Copyright: (c) 2018 by dbatools, licensed under MIT
        License: MIT https://opensource.org/licenses/MIT
 
    .LINK
        https://dbatools.io/Get-DbaInstanceProperty
 
    .EXAMPLE
        PS C:\> Get-DbaInstanceProperty -SqlInstance localhost
 
        Returns SQL Server instance properties on the local default SQL Server instance
 
    .EXAMPLE
        PS C:\> Get-DbaInstanceProperty -SqlInstance sql2, sql4\sqlexpress
 
        Returns SQL Server instance properties on default instance on sql2 and sqlexpress instance on sql4
 
    .EXAMPLE
        PS C:\> 'sql2','sql4' | Get-DbaInstanceProperty
 
        Returns SQL Server instance properties on sql2 and sql4
 
    .EXAMPLE
        PS C:\> Get-DbaInstanceProperty -SqlInstance sql2,sql4 -InstanceProperty DefaultFile
 
        Returns SQL Server instance property DefaultFile on instance sql2 and sql4
 
    .EXAMPLE
        PS C:\> Get-DbaInstanceProperty -SqlInstance sql2,sql4 -ExcludeInstanceProperty DefaultFile
 
        Returns all SQL Server instance properties except DefaultFile on instance sql2 and sql4
 
    .EXAMPLE
        PS C:\> $cred = Get-Credential sqladmin
        PS C:\> Get-DbaInstanceProperty -SqlInstance sql2 -SqlCredential $cred
 
        Connects using sqladmin credential and returns SQL Server instance properties from sql2
 
    #>

    [CmdletBinding(DefaultParameterSetName = "Default")]
    param (
        [parameter(Position = 0, Mandatory, ValueFromPipeline)]
        [Alias("ServerInstance", "SqlServer")]
        [DbaInstanceParameter[]]$SqlInstance,
        [PSCredential]$SqlCredential,
        [object[]]$InstanceProperty,
        [object[]]$ExcludeInstanceProperty,
        [Alias('Silent')]
        [switch]$EnableException
    )
    process {
        foreach ($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
            }

            try {
                $infoProperties = $server.Information.Properties

                if ($InstanceProperty) {
                    $infoProperties = $infoProperties | Where-Object Name -In $InstanceProperty
                }
                if ($ExcludeInstanceProperty) {
                    $infoProperties = $infoProperties | Where-Object Name -NotIn $ExcludeInstanceProperty
                }
                foreach ($prop in $infoProperties) {
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name ComputerName -Value $server.ComputerName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name InstanceName -Value $server.ServiceName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name SqlInstance -Value $server.DomainInstanceName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name PropertyType -Value 'Information'
                    Select-DefaultView -InputObject $prop -Property ComputerName, InstanceName, SqlInstance, Name, Value, PropertyType
                }
            } catch {
                Stop-Function -Message "Issue gathering information properties for $instance." -Target $instance -ErrorRecord $_ -Continue
            }

            try {
                $userProperties = $server.UserOptions.Properties

                if ($InstanceProperty) {
                    $userProperties = $userProperties | Where-Object Name -In $InstanceProperty
                }
                if ($ExcludeInstanceProperty) {
                    $userProperties = $userProperties | Where-Object Name -NotIn $ExcludeInstanceProperty
                }
                foreach ($prop in $userProperties) {
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name ComputerName -Value $server.ComputerName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name InstanceName -Value $server.ServiceName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name SqlInstance -Value $server.DomainInstanceName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name PropertyType -Value 'UserOption'
                    Select-DefaultView -InputObject $prop -Property ComputerName, InstanceName, SqlInstance, Name, Value, PropertyType
                }
            } catch {
                Stop-Function -Message "Issue gathering user options for $instance." -Target $instance -ErrorRecord $_ -Continue
            }

            try {
                $settingProperties = $server.Settings.Properties

                if ($InstanceProperty) {
                    $settingProperties = $settingProperties | Where-Object Name -In $InstanceProperty
                }
                if ($ExcludeInstanceProperty) {
                    $settingProperties = $settingProperties | Where-Object Name -NotIn $ExcludeInstanceProperty
                }
                foreach ($prop in $settingProperties) {
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name ComputerName -Value $server.ComputerName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name InstanceName -Value $server.ServiceName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name SqlInstance -Value $server.DomainInstanceName
                    Add-Member -Force -InputObject $prop -MemberType NoteProperty -Name PropertyType -Value 'Setting'
                    Select-DefaultView -InputObject $prop -Property ComputerName, InstanceName, SqlInstance, Name, Value, PropertyType
                }
            } catch {
                Stop-Function -Message "Issue gathering settings for $instance." -Target $instance -ErrorRecord $_ -Continue
            }
        }
    }
    end {
        Test-DbaDeprecation -DeprecatedOn "1.0.0" -EnableException:$false -Alias Get-DbaSqlInstanceProperty
    }
}