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* Eventually we will refactor all command to use this new abstraction Signed-off-by: Emily Casey <ecasey@pivotal.io> Signed-off-by: Dave Goddard <dave@goddard.id.au>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package image | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/buildpack/lifecycle/img" | ||
| "github.com/buildpack/pack/docker" | ||
| "github.com/buildpack/pack/fs" | ||
| "github.com/buildpack/packs" | ||
| "github.com/docker/docker/api/types" | ||
| "github.com/google/go-containerregistry/pkg/v1" | ||
| "io" | ||
| "log" | ||
| "os" | ||
| ) | ||
|
|
||
| type Image interface { | ||
| Label(string) (string, error) | ||
| Name() string | ||
| Digest() (string, error) | ||
| Rebase(string, Image) error | ||
| SetLabel(string, string) error | ||
| TopLayer() (string, error) | ||
| Save() (string, error) | ||
| } | ||
|
|
||
| type Docker interface { | ||
| PullImage(ref string) error | ||
| ImageInspectWithRaw(ctx context.Context, imageID string) (types.ImageInspect, []byte, error) | ||
| ImageBuild(ctx context.Context, buildContext io.Reader, options types.ImageBuildOptions) (types.ImageBuildResponse, error) | ||
| ImageRemove(ctx context.Context, ref string, options types.ImageRemoveOptions) ([]types.ImageDeleteResponseItem, error) | ||
| } | ||
|
|
||
| type Factory struct { | ||
| Docker Docker | ||
| Log *log.Logger | ||
| Stdout io.Writer | ||
| FS *fs.FS | ||
| } | ||
|
|
||
| func DefaultFactory() (*Factory, error) { | ||
| f := &Factory{ | ||
| Stdout: os.Stdout, | ||
| Log: log.New(os.Stdout, "", log.LstdFlags), | ||
| FS: &fs.FS{}, | ||
| } | ||
|
|
||
| var err error | ||
| f.Docker, err = docker.New() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return f, nil | ||
| } | ||
|
|
||
| type Client struct{} | ||
|
|
||
| func (c *Client) ReadImage(repoName string, useDaemon bool) (v1.Image, error) { | ||
| repoStore, err := c.RepoStore(repoName, useDaemon) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| origImage, err := repoStore.Image() | ||
| if err != nil { | ||
| // Assume error is due to non-existent image | ||
| return nil, nil | ||
| } | ||
| if _, err := origImage.RawManifest(); err != nil { | ||
| // Assume error is due to non-existent image | ||
| // This is necessary for registries | ||
| return nil, nil | ||
| } | ||
|
|
||
| return origImage, nil | ||
| } | ||
|
|
||
| func (c *Client) RepoStore(repoName string, useDaemon bool) (img.Store, error) { | ||
| newRepoStore := img.NewRegistry | ||
| if useDaemon { | ||
| newRepoStore = img.NewDaemon | ||
| } | ||
| repoStore, err := newRepoStore(repoName) | ||
| if err != nil { | ||
| return nil, packs.FailErr(err, "access", repoName) | ||
| } | ||
| return repoStore, nil | ||
| } |
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