diff options
Diffstat (limited to 'tools/nixery/server/builder/builder.go')
| -rw-r--r-- | tools/nixery/server/builder/builder.go | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/nixery/server/builder/builder.go b/tools/nixery/server/builder/builder.go index b2e183b5a2b7..a5744a85348a 100644 --- a/tools/nixery/server/builder/builder.go +++ b/tools/nixery/server/builder/builder.go @@ -18,6 +18,7 @@ package builder import ( + "bufio" "bytes" "context" "encoding/json" @@ -107,6 +108,15 @@ func convenienceNames(packages []string) []string { return packages } +// logNix logs each output line from Nix. It runs in a goroutine per +// output channel that should be live-logged. +func logNix(name string, r io.ReadCloser) { + scanner := bufio.NewScanner(r) + for scanner.Scan() { + log.Printf("\x1b[31m[nix - %s]\x1b[39m %s\n", name, scanner.Text()) + } +} + // Call out to Nix and request that an image be built. Nix will, upon success, // return a manifest for the container image. func BuildImage(ctx *context.Context, cfg *config.Config, cache *LocalCache, image *Image, bucket *storage.BucketHandle) (*BuildResult, error) { @@ -149,6 +159,7 @@ func BuildImage(ctx *context.Context, cfg *config.Config, cache *LocalCache, ima if err != nil { return nil, err } + go logNix(image.Name, errpipe) if err = cmd.Start(); err != nil { log.Println("Error starting nix-build:", err) @@ -157,11 +168,9 @@ func BuildImage(ctx *context.Context, cfg *config.Config, cache *LocalCache, ima log.Printf("Started Nix image build for '%s'", image.Name) stdout, _ := ioutil.ReadAll(outpipe) - stderr, _ := ioutil.ReadAll(errpipe) if err = cmd.Wait(); err != nil { - // TODO(tazjin): Propagate errors upwards in a usable format. - log.Printf("nix-build execution error: %s\nstdout: %s\nstderr: %s\n", err, stdout, stderr) + log.Printf("nix-build execution error: %s\nstdout: %s\n", err, stdout) return nil, err } |