diff options
Diffstat (limited to 'test/bin2img')
| -rw-r--r-- | test/bin2img/bin2img.go | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/test/bin2img/bin2img.go b/test/bin2img/bin2img.go deleted file mode 100644 index ed493dcc1..000000000 --- a/test/bin2img/bin2img.go +++ /dev/null @@ -1,229 +0,0 @@ -package main - -import ( - "archive/tar" - "bytes" - "context" - "encoding/json" - "io" - "os" - "runtime" - - "github.com/containers/image/pkg/blobinfocache" - "github.com/containers/image/storage" - "github.com/containers/image/types" - sstorage "github.com/containers/storage" - "github.com/containers/storage/pkg/reexec" - digest "github.com/opencontainers/go-digest" - specs "github.com/opencontainers/image-spec/specs-go" - "github.com/opencontainers/image-spec/specs-go/v1" - "github.com/sirupsen/logrus" - "github.com/urfave/cli" -) - -func main() { - if reexec.Init() { - return - } - - app := cli.NewApp() - app.Name = "bin2img" - app.Usage = "barebones image builder" - app.Version = "0.0.1" - - app.Flags = []cli.Flag{ - cli.BoolFlag{ - Name: "debug", - Usage: "turn on debug logging", - }, - cli.StringFlag{ - Name: "root", - Usage: "graph root directory", - }, - cli.StringFlag{ - Name: "runroot", - Usage: "run root directory", - }, - cli.StringFlag{ - Name: "storage-driver", - Usage: "storage driver", - }, - cli.StringSliceFlag{ - Name: "storage-opt", - Usage: "storage option", - }, - cli.StringFlag{ - Name: "image-name", - Usage: "set image name", - Value: "kubernetes/pause", - }, - cli.StringFlag{ - Name: "source-binary", - Usage: "source binary", - Value: "../../pause/pause", - }, - cli.StringFlag{ - Name: "image-binary", - Usage: "image binary", - Value: "/pause", - }, - } - - app.Action = func(c *cli.Context) error { - debug := c.GlobalBool("debug") - rootDir := c.GlobalString("root") - runrootDir := c.GlobalString("runroot") - storageDriver := c.GlobalString("storage-driver") - storageOptions := c.GlobalStringSlice("storage-opt") - imageName := c.GlobalString("image-name") - sourceBinary := c.GlobalString("source-binary") - imageBinary := c.GlobalString("image-binary") - - if debug { - logrus.SetLevel(logrus.DebugLevel) - } else { - logrus.SetLevel(logrus.ErrorLevel) - } - if rootDir == "" && runrootDir != "" { - logrus.Errorf("must set --root and --runroot, or neither") - os.Exit(1) - } - if rootDir != "" && runrootDir == "" { - logrus.Errorf("must set --root and --runroot, or neither") - os.Exit(1) - } - storeOptions := sstorage.DefaultStoreOptions - if rootDir != "" && runrootDir != "" { - storeOptions.GraphDriverName = storageDriver - storeOptions.GraphDriverOptions = storageOptions - storeOptions.GraphRoot = rootDir - storeOptions.RunRoot = runrootDir - } - store, err := sstorage.GetStore(storeOptions) - if err != nil { - logrus.Errorf("error opening storage: %v", err) - os.Exit(1) - } - defer func() { - _, _ = store.Shutdown(false) - }() - - layerBuffer := &bytes.Buffer{} - binary, err := os.Open(sourceBinary) - if err != nil { - logrus.Errorf("error opening image binary: %v", err) - os.Exit(1) - } - binInfo, err := binary.Stat() - if err != nil { - logrus.Errorf("error statting image binary: %v", err) - os.Exit(1) - } - archive := tar.NewWriter(layerBuffer) - err = archive.WriteHeader(&tar.Header{ - Name: imageBinary, - Size: binInfo.Size(), - Mode: 0555, - ModTime: binInfo.ModTime(), - Typeflag: tar.TypeReg, - Uname: "root", - Gname: "root", - }) - if err != nil { - logrus.Errorf("error writing archive header: %v", err) - os.Exit(1) - } - _, err = io.Copy(archive, binary) - if err != nil { - logrus.Errorf("error archiving image binary: %v", err) - os.Exit(1) - } - archive.Close() - binary.Close() - layerInfo := types.BlobInfo{ - Digest: digest.Canonical.FromBytes(layerBuffer.Bytes()), - Size: int64(layerBuffer.Len()), - } - - ref, err := storage.Transport.ParseStoreReference(store, imageName) - if err != nil { - logrus.Errorf("error parsing image name: %v", err) - os.Exit(1) - } - ctx := context.TODO() - img, err := ref.NewImageDestination(ctx, nil) - if err != nil { - logrus.Errorf("error preparing to write image: %v", err) - os.Exit(1) - } - defer img.Close() - layer, err := img.PutBlob(ctx, layerBuffer, layerInfo, blobinfocache.NewMemoryCache(), false) - if err != nil { - logrus.Errorf("error preparing to write image: %v", err) - os.Exit(1) - } - config := &v1.Image{ - Architecture: runtime.GOARCH, - OS: runtime.GOOS, - Config: v1.ImageConfig{ - User: "root", - Entrypoint: []string{imageBinary}, - }, - RootFS: v1.RootFS{ - Type: "layers", - DiffIDs: []digest.Digest{ - layer.Digest, - }, - }, - } - cbytes, err := json.Marshal(config) - if err != nil { - logrus.Errorf("error encoding configuration: %v", err) - os.Exit(1) - } - configInfo := types.BlobInfo{ - Digest: digest.Canonical.FromBytes(cbytes), - Size: int64(len(cbytes)), - } - configInfo, err = img.PutBlob(ctx, bytes.NewBuffer(cbytes), configInfo, blobinfocache.NewMemoryCache(), false) - if err != nil { - logrus.Errorf("error saving configuration: %v", err) - os.Exit(1) - } - manifest := &v1.Manifest{ - Versioned: specs.Versioned{ - SchemaVersion: 2, - }, - Config: v1.Descriptor{ - MediaType: v1.MediaTypeImageConfig, - Digest: configInfo.Digest, - Size: int64(len(cbytes)), - }, - Layers: []v1.Descriptor{{ - MediaType: v1.MediaTypeImageLayer, - Digest: layer.Digest, - Size: layer.Size, - }}, - } - mbytes, err := json.Marshal(manifest) - if err != nil { - logrus.Errorf("error encoding manifest: %v", err) - os.Exit(1) - } - err = img.PutManifest(ctx, mbytes) - if err != nil { - logrus.Errorf("error saving manifest: %v", err) - os.Exit(1) - } - err = img.Commit(ctx) - if err != nil { - logrus.Errorf("error committing image: %v", err) - os.Exit(1) - } - return nil - } - - if err := app.Run(os.Args); err != nil { - logrus.Fatal(err) - } -} |