Types/docker.build/ParseBuild.ps1
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<# .SYNOPSIS Parses the output of `docker build`. .DESCRIPTION Parses the output of `docker build` and writes progress bars for each layer. #> [ValidatePattern("^(?>docker(?:(?>-|\s)compose)?\s{1,}build)")] param( # The content being parsed. [Parameter(ValueFromPipeline)] [string] $Content, # The command line that produced the content. [string] $CommandLine ) begin { $ProgressId = Get-Random $LayerCounter = 0 $LayerStartTimes = [Ordered]@{} $LayerMessages = [Ordered]@{} $BuildStartTime = [DateTime]::Now } process { $lineOut = "$content" if ($lineOut -match 'The handle is invalid.\s{0,}$') { return } if ($lineOut -match '^\#(?<Layer>\d+)') { $layerNumber = $matches.Layer -as [int] if ($layerNumber -gt $LayerCounter) { $LayerCounter = $layerNumber } if (-not $LayerStartTimes["$layerNumber"]) { $LayerStartTimes["$layerNumber"] = [DateTime]::Now } if (-not $LayerMessages["$layerNumber"]) { $LayerMessages["$layerNumber"] = @() } $LayerMessages["$layerNumber"] += $lineOut $layerProgressId = $ProgressId + $layerNumber $timeSince = [DateTime]::Now - $BuildStartTime if ($lineOut -match '^\#\d+\s{1,}done\s{1,}(?<t>[\d\.]+)s' -or $lineOut -match '^\#\d+\s{1,}cached') { # Layer is done or cached, complete the progress bar Write-Progress -Activity "$LayerNumber @ $timeSince" -Status "$lineOut" -id $layerProgressId -Completed } else { # Layer is not done or cached, write progress. Write-Progress -Activity "$LayerNumber @ $timeSince" -Status "$lineOut" -id $layerProgressId } } else { $layerProgressId = $ProgressId } if ("$lineOut" -match "\[(?<StageNumber>\d+)/(?<StageCount>\d+)\]") { $MatchInfo = [Ordered]@{} + $matches $MatchInfo.StageNumber = $MatchInfo.StageNumber -as [int] $MatchInfo.StageCount = $MatchInfo.StageCount -as [int] $PercentComplete = [math]::Round(($MatchInfo.StageNumber / $MatchInfo.StageCount) * 100) Write-Progress -Activity "@ $timeSince $lineOut" -Status "$( if ($MatchInfo.StageNumber) {"[$($matchInfo.StageNumber)/$($matchInfo.StageCount)]"} ' ' )" -id $layerProgressId -PercentComplete $PercentComplete } "$lineOut" } end { } |