diff options
Diffstat (limited to 'pkg/domain/infra/abi/images.go')
| -rw-r--r-- | pkg/domain/infra/abi/images.go | 126 |
1 files changed, 122 insertions, 4 deletions
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go index e2fe8a5e6..10ec7f8f3 100644 --- a/pkg/domain/infra/abi/images.go +++ b/pkg/domain/infra/abi/images.go @@ -11,8 +11,6 @@ import ( "strconv" "strings" - "github.com/containers/podman/v2/pkg/rootless" - "github.com/containers/common/pkg/config" "github.com/containers/image/v5/docker" dockerarchive "github.com/containers/image/v5/docker/archive" @@ -27,6 +25,7 @@ import ( libpodImage "github.com/containers/podman/v2/libpod/image" "github.com/containers/podman/v2/pkg/domain/entities" domainUtils "github.com/containers/podman/v2/pkg/domain/utils" + "github.com/containers/podman/v2/pkg/rootless" "github.com/containers/podman/v2/pkg/trust" "github.com/containers/podman/v2/pkg/util" "github.com/containers/storage" @@ -85,6 +84,125 @@ func (ir *ImageEngine) History(ctx context.Context, nameOrID string, opts entiti return &history, nil } +func (ir *ImageEngine) Mount(ctx context.Context, nameOrIDs []string, opts entities.ImageMountOptions) ([]*entities.ImageMountReport, error) { + var ( + images []*image.Image + err error + ) + if os.Geteuid() != 0 { + if driver := ir.Libpod.StorageConfig().GraphDriverName; driver != "vfs" { + // Do not allow to mount a graphdriver that is not vfs if we are creating the userns as part + // of the mount command. + return nil, errors.Errorf("cannot mount using driver %s in rootless mode", driver) + } + + became, ret, err := rootless.BecomeRootInUserNS("") + if err != nil { + return nil, err + } + if became { + os.Exit(ret) + } + } + if opts.All { + allImages, err := ir.Libpod.ImageRuntime().GetImages() + if err != nil { + return nil, err + } + for _, img := range allImages { + if !img.IsReadOnly() { + images = append(images, img) + } + } + } else { + for _, i := range nameOrIDs { + img, err := ir.Libpod.ImageRuntime().NewFromLocal(i) + if err != nil { + return nil, err + } + images = append(images, img) + } + } + reports := make([]*entities.ImageMountReport, 0, len(images)) + for _, img := range images { + report := entities.ImageMountReport{Id: img.ID()} + if img.IsReadOnly() { + report.Err = errors.Errorf("mounting readonly %s image not supported", img.ID()) + } else { + report.Path, report.Err = img.Mount([]string{}, "") + } + reports = append(reports, &report) + } + if len(reports) > 0 { + return reports, nil + } + + images, err = ir.Libpod.ImageRuntime().GetImages() + if err != nil { + return nil, err + } + for _, i := range images { + mounted, path, err := i.Mounted() + if err != nil { + if errors.Cause(err) == storage.ErrLayerUnknown { + continue + } + return nil, err + } + if mounted { + tags, err := i.RepoTags() + if err != nil { + return nil, err + } + reports = append(reports, &entities.ImageMountReport{ + Id: i.ID(), + Name: string(i.Digest()), + Repositories: tags, + Path: path, + }) + } + } + return reports, nil +} + +func (ir *ImageEngine) Unmount(ctx context.Context, nameOrIDs []string, options entities.ImageUnmountOptions) ([]*entities.ImageUnmountReport, error) { + var images []*image.Image + + if options.All { + allImages, err := ir.Libpod.ImageRuntime().GetImages() + if err != nil { + return nil, err + } + for _, img := range allImages { + if !img.IsReadOnly() { + images = append(images, img) + } + } + } else { + for _, i := range nameOrIDs { + img, err := ir.Libpod.ImageRuntime().NewFromLocal(i) + if err != nil { + return nil, err + } + images = append(images, img) + } + } + + reports := []*entities.ImageUnmountReport{} + for _, img := range images { + report := entities.ImageUnmountReport{Id: img.ID()} + if err := img.Unmount(options.Force); err != nil { + if options.All && errors.Cause(err) == storage.ErrLayerNotMounted { + logrus.Debugf("Error umounting image %s, storage.ErrLayerNotMounted", img.ID()) + continue + } + report.Err = errors.Wrapf(err, "error unmounting image %s", img.ID()) + } + reports = append(reports, &report) + } + return reports, nil +} + func ToDomainHistoryLayer(layer *libpodImage.History) entities.ImageHistoryLayer { l := entities.ImageHistoryLayer{} l.ID = layer.ID @@ -225,7 +343,7 @@ func (ir *ImageEngine) Push(ctx context.Context, source string, destination stri case "v2s2", "docker": manifestType = manifest.DockerV2Schema2MediaType default: - return fmt.Errorf("unknown format %q. Choose on of the supported formats: 'oci', 'v2s1', or 'v2s2'", options.Format) + return errors.Errorf("unknown format %q. Choose on of the supported formats: 'oci', 'v2s1', or 'v2s2'", options.Format) } var registryCreds *types.DockerAuthConfig @@ -292,7 +410,7 @@ func (ir *ImageEngine) Push(ctx context.Context, source string, destination stri // // // TODO: Determine Size // report := entities.ImagePruneReport{} -// copy(report.Report.Id, id) +// copy(report.Report.ID, id) // return &report, nil // } |