func GetDependencyDgrVersion(acName common.ACFullname) (int, error) { depFields := data.WithField("dependency", acName.String()) out, err := Home.Rkt.CatManifest(acName.String()) if err != nil { return 0, errs.WithEF(err, depFields, "Dependency not found") } im := schema.ImageManifest{} if err := im.UnmarshalJSON([]byte(out)); err != nil { return 0, errs.WithEF(err, depFields.WithField("content", out), "Cannot read manifest cat by rkt image") } version, ok := im.Annotations.Get(common.ManifestDrgVersion) var val int if ok { val, err = strconv.Atoi(version) if err != nil { return 0, errs.WithEF(err, depFields.WithField("version", version), "Failed to parse "+common.ManifestDrgVersion+" from manifest") } } return val, nil }