func (r *TarReader) Read() (Release, error) {
var release Release
downloadPath, err := r.downloader.Download(r.url)
if err != nil {
return release, bosherr.WrapError(err, "Downloading release")
}
r.downloadPath = downloadPath
extractPath, err := r.extractor.Extract(r.downloadPath)
if err != nil {
cleanUpErr := r.downloader.CleanUp(r.downloadPath)
if cleanUpErr != nil {
r.logger.Debug(tarReaderLogTag,
"Failed to clean up downloaded release %v", cleanUpErr)
}
return release, bosherr.WrapError(err, "Extracting release")
}
r.extractPath = extractPath
manifestPath := filepath.Join(r.extractPath, "release.MF")
manifest, err := bprelman.NewManifestFromPath(manifestPath, r.fs)
if err != nil {
closeErr := r.Close()
if closeErr != nil {
r.logger.Debug(tarReaderLogTag,
"Failed to close release %v", closeErr)
}
return release, bosherr.WrapError(err, "Building manifest")
}
r.logger.Debug(tarReaderLogTag, "Done building manifest %#v", manifest)
release.populateFromManifest(manifest)
r.populateReleaseTarPaths(&release)
return release, nil
}
func (r DirReader) Read() (Release, error) {
var release Release
// e.g. room101-0+dev.16.yml
manifestFileName := r.releaseName + "-" + r.releaseVersion + ".yml"
// bosh_cli now places release manifests into sub-directories named after a release
oldManifestPath := filepath.Join(r.dir, "dev_releases", manifestFileName)
migratedManifestPath := filepath.Join(r.dir, "dev_releases", r.releaseName, manifestFileName)
manifestPath := r.pathThatExistsOrEmpty(oldManifestPath, migratedManifestPath)
if len(manifestPath) == 0 {
return release, bosherr.New(
"Manifest not found at '%s' or '%s'",
oldManifestPath,
migratedManifestPath,
)
}
manifest, err := bprelman.NewManifestFromPath(manifestPath, r.fs)
if err != nil {
closeErr := r.Close()
if closeErr != nil {
r.logger.Debug(dirReaderLogTag, "Failed to close release %v", closeErr)
}
return release, bosherr.WrapError(err, "Building manifest")
}
r.logger.Debug(dirReaderLogTag, "Done building manifest %#v", manifest)
release.populateFromManifest(manifest)
r.populateReleaseTarPaths(&release)
return release, nil
}