| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package build |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "os" |
| ) |
| |
| // Image represents an entry in an image manifest. |
| type Image struct { |
| // Name is the canonical name of the image. |
| Name string `json:"name"` |
| |
| // Path is the absolute path to the image. |
| // Note: when unmarshalled from a manifest this entry actually gives the relative |
| // location from the manifest's directory; we prepend that directory when loading. See |
| // LoadImageModule() below. |
| Path string `json:"path"` |
| |
| // Type is the shorthand for the type of the image (e.g., "zbi" or "blk"). |
| Type string `json:"type"` |
| |
| // PaveArgs is the list of associated arguments to pass to the bootserver |
| // when paving. |
| PaveArgs []string `json:"bootserver_pave"` |
| |
| // PaveZedbootArgs is the list of associated arguments to pass to the bootserver |
| // when paving zedboot |
| PaveZedbootArgs []string `json:"bootserver_pave_zedboot"` |
| |
| // NetbootArgs is the list of associated arguments to pass to the bootserver |
| // when netbooting. |
| NetbootArgs []string `json:"bootserver_netboot"` |
| } |
| |
| // LoadImages reads in the entries indexed in the given image manifest. |
| func LoadImages(manifest string) ([]Image, error) { |
| f, err := os.Open(manifest) |
| if err != nil { |
| return nil, fmt.Errorf("failed to open %s: %w", manifest, err) |
| } |
| defer f.Close() |
| var imgs []Image |
| if err := json.NewDecoder(f).Decode(&imgs); err != nil { |
| return nil, fmt.Errorf("failed to decode %s: %w", manifest, err) |
| } |
| return imgs, nil |
| } |