scripts/Invoke-Step.ps1
|
function Invoke-Step { [CmdletBinding()] param ( [Parameter(Position = 0, Mandatory = $true)] [hashtable]$config, [Parameter(Position = 1, Mandatory = $true)] [object]$step, [Parameter(Position = 2, Mandatory = $false)] [string]$work_dir = '' ) process { $ErrorActionPreference = "Continue" try { $step = Normalize-Step $step $config if ($work_dir) { # Since actual execution is performed in the $step that can contain it's own .work_dir property # override it only if the $step.work_dir is empty if (-not $step.work_dir) { $step.work_dir = $work_dir } } try { Push-Location (Normalize-Path "$($step.work_dir)" $config) Log-Verbose "Execute step: $($step.name)" $config if (-not (Invoke-Expression $step.when)) { Log-Verbose "`t`tBypassed because of: [$($step.when)] = $(Invoke-Expression $step.when)" $config return } $logOut = @() $global:LASTEXITCODE = 0 Log-Debug "powershell: {$($step.powershell)}" $config Invoke-Expression $step.powershell *>&1 | Tee-Object -Variable logOut | Log-Normal -Config $config if ((($LASTEXITCODE -ne 0) -or (-not $?)) -and ($step.on_error -eq 'throw')) { $lastErr = $logOut | Where-Object {$_ -is [Management.Automation.ErrorRecord]} | Select-Object -Last 1 if (-not $lastErr) { $lastErr = "$($step.name) failed." } throw "$lastErr" } } finally { Pop-Location } } catch { Log-Debug "Invoke-Step: `$step`n$($step | ConvertTo-Yaml)" $config Log-Error $_ $config -Rethrow ((Coalesce $step.on_error, 'throw') -eq 'throw') } } } |