internal/functions/Invoke-ManagedComputerCommand.ps1
function Invoke-ManagedComputerCommand { <# .SYNOPSIS Runs wmi commands against a target system. .DESCRIPTION Runs wmi commands against a target system. Either directly or over PowerShell remoting. .PARAMETER ComputerName The target to run against. Must be resolvable. .PARAMETER Credential Credentials to use when using PowerShell remoting. .PARAMETER ScriptBlock The scriptblock to execute. Use $wmi to access the smo wmi object. Must not include a param block! .PARAMETER ArgumentList The arguments to pass to your scriptblock. Access them within the scriptblock using the automatic variable $args .PARAMETER EnableException Left in for legacy reasons. This command will throw no matter what #> [CmdletBinding()] param ( [Parameter(Mandatory)] [Alias("Server")] [dbainstanceparameter]$ComputerName, [PSCredential]$Credential, [Parameter(Mandatory)] [scriptblock]$ScriptBlock, [object[]]$ArgumentList, [switch]$EnableException # Left in for legacy but this command needs to throw ) $computer = $ComputerName.ComputerName $null = Test-ElevationRequirement -ComputerName $computer -EnableException $true $resolved = Resolve-DbaNetworkName -ComputerName $computer -Turbo $ipaddr = $resolved.IpAddress $ArgumentList += $ipaddr [scriptblock]$setupScriptBlock = { $ipaddr = $args[$args.GetUpperBound(0)] $setupVerbose = @( ) $setupVerbose += "Starting WMI initialization at $ipaddr" # Just in case we go remote, ensure the assembly is loaded [void][System.Reflection.Assembly]::LoadWithPartialName('Microsoft.SqlServer.SqlWmiManagement') $wmi = New-Object Microsoft.SqlServer.Management.Smo.Wmi.ManagedComputer $ipaddr $result = $wmi.Initialize() $setupVerbose += "Finished WMI initialization with $result" } $prescriptblock = $setupScriptBlock.ToString() $postscriptblock = $ScriptBlock.ToString() $scriptBlock = [ScriptBlock]::Create("$prescriptblock $postscriptblock") Write-Message -Level Verbose -Message "Connecting to SQL WMI on $computer." try { $result = Invoke-Command2 -ScriptBlock $ScriptBlock -ArgumentList $ArgumentList -Credential $Credential -ErrorAction Stop if ($result.Exception) { # The new code pattern for WMI calls like in Set-DbaNetworkConfiguration is used where all exceptions are catched and return as part of an object. foreach ($msg in $result.Verbose) { Write-Message -Level Verbose -Message $msg } Write-Message -Level Verbose -Message "Execution against $computer failed with: $($result.Exception)" Stop-Function -Message "Failed." -Target $computer -ErrorRecord $result.Exception -EnableException $true } else { # The old code pattern is used or no exception was catched, so just return the result $result } } catch { Write-Message -Level Verbose -Message "Local connection attempt to $computer failed. Connecting remotely." # For surely resolve stuff, and going by default with kerberos, this needs to match FullComputerName $hostname = $resolved.FullComputerName Invoke-Command2 -ScriptBlock $ScriptBlock -ArgumentList $ArgumentList -ComputerName $hostname -Credential $Credential -ErrorAction Stop } } # SIG # Begin signature block # MIIZewYJKoZIhvcNAQcCoIIZbDCCGWgCAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR # AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQUJOxRfyvrYg/PTqiuMGUFqEXs # VkugghSJMIIE/jCCA+agAwIBAgIQDUJK4L46iP9gQCHOFADw3TANBgkqhkiG9w0B # AQsFADByMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYD # VQQLExB3d3cuZGlnaWNlcnQuY29tMTEwLwYDVQQDEyhEaWdpQ2VydCBTSEEyIEFz # c3VyZWQgSUQgVGltZXN0YW1waW5nIENBMB4XDTIxMDEwMTAwMDAwMFoXDTMxMDEw # NjAwMDAwMFowSDELMAkGA1UEBhMCVVMxFzAVBgNVBAoTDkRpZ2lDZXJ0LCBJbmMu # MSAwHgYDVQQDExdEaWdpQ2VydCBUaW1lc3RhbXAgMjAyMTCCASIwDQYJKoZIhvcN # AQEBBQADggEPADCCAQoCggEBAMLmYYRnxYr1DQikRcpja1HXOhFCvQp1dU2UtAxQ # 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