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Tweaked some of the UI/UX around GOMAXPROCS

This commit is contained in:
Chris Bednarski 2015-06-18 14:22:26 -07:00
parent 0880d448f0
commit 7497db67b4
1 changed files with 16 additions and 8 deletions
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24
post-processor/compress/post-processor.go
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@ -60,6 +60,11 @@ func (p *PostProcessor) Configure(raws ...interface{}) error {
errs := new(packer.MultiError)
// If there is no explicit number of Go threads to use, then set it
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(runtime.NumCPU())
}
if p.config.OutputPath == "" {
p.config.OutputPath = "packer_{{.BuildName}}_{{.Provider}}"
}
@ -124,11 +129,13 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
var output io.WriteCloser
switch p.config.Algorithm {
case "lz4":
ui.Say(fmt.Sprintf("Preparing lz4 compression for %s", target))
ui.Say(fmt.Sprintf("Using lz4 compression with %d cores for %s",
runtime.GOMAXPROCS(-1), target))
output, err = makeLZ4Writer(outputFile, p.config.CompressionLevel)
defer output.Close()
case "pgzip":
ui.Say(fmt.Sprintf("Preparing gzip compression for %s", target))
ui.Say(fmt.Sprintf("Using pgzip compression with %d cores for %s",
runtime.GOMAXPROCS(-1), target))
output, err = makePgzipWriter(outputFile, p.config.CompressionLevel)
defer output.Close()
default:
@ -137,13 +144,13 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
compression := p.config.Algorithm
if compression == "" {
compression = "no"
compression = "no compression"
}
// Build an archive, if we're supposed to do that.
switch p.config.Archive {
case "tar":
ui.Say(fmt.Sprintf("Tarring %s with %s compression", target, compression))
ui.Say(fmt.Sprintf("Tarring %s with %s", target, compression))
err = createTarArchive(artifact.Files(), output)
if err != nil {
return nil, keep, fmt.Errorf("Error creating tar: %s", err)
@ -155,7 +162,6 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
return nil, keep, fmt.Errorf("Error creating zip: %s", err)
}
default:
ui.Say(fmt.Sprintf("Copying %s with %s compression", target, compression))
// Filename indicates no tarball (just compress) so we'll do an io.Copy
// into our compressor.
if len(artifact.Files()) != 1 {
@ -163,18 +169,20 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
"Can only have 1 input file when not using tar/zip. Found %d "+
"files: %v", len(artifact.Files()), artifact.Files())
}
archiveFile := artifact.Files()[0]
ui.Say(fmt.Sprintf("Archiving %s with %s", archiveFile, compression))
source, err := os.Open(artifact.Files()[0])
source, err := os.Open(archiveFile)
if err != nil {
return nil, keep, fmt.Errorf(
"Failed to open source file %s for reading: %s",
artifact.Files()[0], err)
archiveFile, err)
}
defer source.Close()
if _, err = io.Copy(output, source); err != nil {
return nil, keep, fmt.Errorf("Failed to compress %s: %s",
artifact.Files()[0], err)
archiveFile, err)
}
}