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vendor: update c/{common,image,storage} to latest main

Browse Source 
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
This commit is contained in:
Paul Holzinger
2025-06-05 11:39:23 +02:00
parent d44f0afa84
commit 96abeafc61
65 changed files with 2114 additions and 4036 deletions
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1
vendor/github.com/containers/image/v5/copy/single.go generated vendored
View File

@ -812,6 +812,7 @@ func (ic *imageCopier) copyLayer(ctx context.Context, srcInfo types.BlobInfo, to
}
uploadedBlob, err := ic.c.dest.PutBlobPartial(ctx, &proxy, srcInfo, private.PutBlobPartialOptions{
Cache: ic.c.blobInfoCache,
EmptyLayer: emptyLayer,
LayerIndex: layerIndex,
})
if err == nil {

4
vendor/github.com/containers/image/v5/docker/docker_image_dest.go generated vendored
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@ -615,11 +615,11 @@ func (d *dockerImageDestination) PutSignaturesWithFormat(ctx context.Context, si
}
switch {
case d.c.supportsSignatures:
if err := d.putSignaturesToAPIExtension(ctx, signatures, *instanceDigest); err != nil {
if err := d.putSignaturesToAPIExtension(ctx, otherSignatures, *instanceDigest); err != nil {
return err
}
case d.c.signatureBase != nil:
if err := d.putSignaturesToLookaside(signatures, *instanceDigest); err != nil {
if err := d.putSignaturesToLookaside(otherSignatures, *instanceDigest); err != nil {
return err
}
default:

1
vendor/github.com/containers/image/v5/internal/private/private.go generated vendored
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@ -118,6 +118,7 @@ type PutBlobOptions struct {
// PutBlobPartialOptions are used in PutBlobPartial.
type PutBlobPartialOptions struct {
Cache blobinfocache.BlobInfoCache2 // Cache to use and/or update.
EmptyLayer bool // True if the blob is an "empty"/"throwaway" layer, and may not necessarily be physically represented.
LayerIndex int // A zero-based index of the layer within the image (PutBlobPartial is only called with layer-like blobs, not configs)
}

547
vendor/github.com/containers/image/v5/ostree/ostree_dest.go generated vendored
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@ -1,547 +0,0 @@
//go:build containers_image_ostree
// +build containers_image_ostree
package ostree
import (
"bytes"
"context"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"io/fs"
"os"
"os/exec"
"path/filepath"
"runtime"
"strconv"
"strings"
"syscall"
"time"
"unsafe"
"github.com/containers/image/v5/internal/imagedestination/impl"
"github.com/containers/image/v5/internal/imagedestination/stubs"
"github.com/containers/image/v5/internal/private"
"github.com/containers/image/v5/internal/putblobdigest"
"github.com/containers/image/v5/internal/signature"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/types"
"github.com/containers/storage/pkg/archive"
"github.com/containers/storage/pkg/fileutils"
"github.com/klauspost/pgzip"
"github.com/opencontainers/go-digest"
selinux "github.com/opencontainers/selinux/go-selinux"
"github.com/ostreedev/ostree-go/pkg/otbuiltin"
"github.com/vbatts/tar-split/tar/asm"
"github.com/vbatts/tar-split/tar/storage"
)
// #cgo pkg-config: glib-2.0 gobject-2.0 ostree-1 libselinux
// #include <glib.h>
// #include <glib-object.h>
// #include <gio/gio.h>
// #include <stdlib.h>
// #include <ostree.h>
// #include <gio/ginputstream.h>
// #include <selinux/selinux.h>
// #include <selinux/label.h>
import "C"
type blobToImport struct {
Size int64
Digest digest.Digest
BlobPath string
}
type descriptor struct {
Size int64 `json:"size"`
Digest digest.Digest `json:"digest"`
}
type fsLayersSchema1 struct {
BlobSum digest.Digest `json:"blobSum"`
}
type manifestSchema struct {
LayersDescriptors []descriptor `json:"layers"`
FSLayers []fsLayersSchema1 `json:"fsLayers"`
}
type ostreeImageDestination struct {
impl.Compat
impl.PropertyMethodsInitialize
stubs.NoPutBlobPartialInitialize
stubs.AlwaysSupportsSignatures
ref ostreeReference
manifest string
schema manifestSchema
tmpDirPath string
blobs map[string]*blobToImport
digest digest.Digest
signaturesLen int
repo *C.struct_OstreeRepo
}
// newImageDestination returns an ImageDestination for writing to an existing ostree.
func newImageDestination(ref ostreeReference, tmpDirPath string) (private.ImageDestination, error) {
tmpDirPath = filepath.Join(tmpDirPath, ref.branchName)
if err := ensureDirectoryExists(tmpDirPath); err != nil {
return nil, err
}
d := &ostreeImageDestination{
PropertyMethodsInitialize: impl.PropertyMethods(impl.Properties{
SupportedManifestMIMETypes: []string{manifest.DockerV2Schema2MediaType},
DesiredLayerCompression: types.PreserveOriginal,
AcceptsForeignLayerURLs: false,
MustMatchRuntimeOS: true,
IgnoresEmbeddedDockerReference: false, // N/A, DockerReference() returns nil.
HasThreadSafePutBlob: false,
}),
NoPutBlobPartialInitialize: stubs.NoPutBlobPartial(ref),
ref: ref,
manifest: "",
schema: manifestSchema{},
tmpDirPath: tmpDirPath,
blobs: map[string]*blobToImport{},
digest: "",
signaturesLen: 0,
repo: nil,
}
d.Compat = impl.AddCompat(d)
return d, nil
}
// Reference returns the reference used to set up this destination. Note that this should directly correspond to user's intent,
// e.g. it should use the public hostname instead of the result of resolving CNAMEs or following redirects.
func (d *ostreeImageDestination) Reference() types.ImageReference {
return d.ref
}
// Close removes resources associated with an initialized ImageDestination, if any.
func (d *ostreeImageDestination) Close() error {
if d.repo != nil {
C.g_object_unref(C.gpointer(d.repo))
}
return os.RemoveAll(d.tmpDirPath)
}
// PutBlobWithOptions writes contents of stream and returns data representing the result.
// inputInfo.Digest can be optionally provided if known; if provided, and stream is read to the end without error, the digest MUST match the stream contents.
// inputInfo.Size is the expected length of stream, if known.
// inputInfo.MediaType describes the blob format, if known.
// WARNING: The contents of stream are being verified on the fly. Until stream.Read() returns io.EOF, the contents of the data SHOULD NOT be available
// to any other readers for download using the supplied digest.
// If stream.Read() at any time, ESPECIALLY at end of input, returns an error, PutBlob MUST 1) fail, and 2) delete any data stored so far.
func (d *ostreeImageDestination) PutBlobWithOptions(ctx context.Context, stream io.Reader, inputInfo types.BlobInfo, options private.PutBlobOptions) (private.UploadedBlob, error) {
tmpDir, err := os.MkdirTemp(d.tmpDirPath, "blob")
if err != nil {
return private.UploadedBlob{}, err
}
digester, stream := putblobdigest.DigestIfCanonicalUnknown(stream, inputInfo)
blobPath := filepath.Join(tmpDir, "content")
blobFile, err := os.Create(blobPath)
if err != nil {
return private.UploadedBlob{}, err
}
size, err := func() (_ int64, retErr error) { // A scope for defer
// since we are writing to this file, make sure we handle errors
defer func() {
closeErr := blobFile.Close()
if retErr == nil {
retErr = closeErr
}
}()
// TODO: This can take quite some time, and should ideally be cancellable using ctx.Done().
return io.Copy(blobFile, stream)
}()
if err != nil {
return private.UploadedBlob{}, err
}
blobDigest := digester.Digest()
if inputInfo.Size != -1 && size != inputInfo.Size {
return private.UploadedBlob{}, fmt.Errorf("Size mismatch when copying %s, expected %d, got %d", blobDigest, inputInfo.Size, size)
}
if err := blobFile.Sync(); err != nil {
return private.UploadedBlob{}, err
}
hash := blobDigest.Encoded()
d.blobs[hash] = &blobToImport{Size: size, Digest: blobDigest, BlobPath: blobPath}
return private.UploadedBlob{Digest: blobDigest, Size: size}, nil
}
func fixFiles(selinuxHnd *C.struct_selabel_handle, root string, dir string, usermode bool) error {
entries, err := os.ReadDir(dir)
if err != nil {
return err
}
for _, entry := range entries {
fullpath := filepath.Join(dir, entry.Name())
if entry.Type()&(os.ModeNamedPipe|os.ModeSocket|os.ModeDevice) != 0 {
if err := os.Remove(fullpath); err != nil {
return err
}
continue
}
info, err := entry.Info()
if err != nil {
return err
}
if selinuxHnd != nil {
relPath, err := filepath.Rel(root, fullpath)
if err != nil {
return err
}
// Handle /exports/hostfs as a special case. Files under this directory are copied to the host,
// thus we benefit from maintaining the same SELinux label they would have on the host as we could
// use hard links instead of copying the files.
relPath = fmt.Sprintf("/%s", strings.TrimPrefix(relPath, "exports/hostfs/"))
relPathC := C.CString(relPath)
defer C.free(unsafe.Pointer(relPathC))
var context *C.char
res, err := C.selabel_lookup_raw(selinuxHnd, &context, relPathC, C.int(info.Mode()&os.ModePerm))
if int(res) < 0 && err != syscall.ENOENT {
return fmt.Errorf("cannot selabel_lookup_raw %s: %w", relPath, err)
}
if int(res) == 0 {
defer C.freecon(context)
fullpathC := C.CString(fullpath)
defer C.free(unsafe.Pointer(fullpathC))
res, err = C.lsetfilecon_raw(fullpathC, context)
if int(res) < 0 {
return fmt.Errorf("cannot setfilecon_raw %s to %s: %w", fullpath, C.GoString(context), err)
}
}
}
if entry.IsDir() {
if usermode {
if err := os.Chmod(fullpath, info.Mode()|0700); err != nil {
return err
}
}
err = fixFiles(selinuxHnd, root, fullpath, usermode)
if err != nil {
return err
}
} else if usermode && (entry.Type().IsRegular()) {
if err := os.Chmod(fullpath, info.Mode()|0600); err != nil {
return err
}
}
}
return nil
}
func (d *ostreeImageDestination) ostreeCommit(repo *otbuiltin.Repo, branch string, root string, metadata []string) error {
opts := otbuiltin.NewCommitOptions()
opts.AddMetadataString = metadata
opts.Timestamp = time.Now()
// OCI layers have no parent OSTree commit
opts.Parent = "0000000000000000000000000000000000000000000000000000000000000000"
_, err := repo.Commit(root, branch, opts)
return err
}
func generateTarSplitMetadata(output *bytes.Buffer, file string) (_ digest.Digest, _ int64, retErr error) {
mfz := pgzip.NewWriter(output)
// since we are writing to this, make sure we handle errors
defer func() {
closeErr := mfz.Close()
if retErr == nil {
retErr = closeErr
}
}()
metaPacker := storage.NewJSONPacker(mfz)
stream, err := os.OpenFile(file, os.O_RDONLY, 0)
if err != nil {
return "", -1, err
}
defer stream.Close()
gzReader, err := archive.DecompressStream(stream)
if err != nil {
return "", -1, err
}
defer gzReader.Close()
its, err := asm.NewInputTarStream(gzReader, metaPacker, nil)
if err != nil {
return "", -1, err
}
digester := digest.Canonical.Digester()
written, err := io.Copy(digester.Hash(), its)
if err != nil {
return "", -1, err
}
return digester.Digest(), written, nil
}
func (d *ostreeImageDestination) importBlob(selinuxHnd *C.struct_selabel_handle, repo *otbuiltin.Repo, blob *blobToImport) error {
// TODO: This can take quite some time, and should ideally be cancellable using a context.Context.
ostreeBranch := fmt.Sprintf("ociimage/%s", blob.Digest.Encoded())
destinationPath := filepath.Join(d.tmpDirPath, blob.Digest.Encoded(), "root")
if err := ensureDirectoryExists(destinationPath); err != nil {
return err
}
defer func() {
os.Remove(blob.BlobPath)
os.RemoveAll(destinationPath)
}()
var tarSplitOutput bytes.Buffer
uncompressedDigest, uncompressedSize, err := generateTarSplitMetadata(&tarSplitOutput, blob.BlobPath)
if err != nil {
return err
}
if os.Getuid() == 0 {
if err := archive.UntarPath(blob.BlobPath, destinationPath); err != nil {
return err
}
if err := fixFiles(selinuxHnd, destinationPath, destinationPath, false); err != nil {
return err
}
} else {
os.MkdirAll(destinationPath, 0755)
if err := exec.Command("tar", "-C", destinationPath, "--no-same-owner", "--no-same-permissions", "--delay-directory-restore", "-xf", blob.BlobPath).Run(); err != nil {
return err
}
if err := fixFiles(selinuxHnd, destinationPath, destinationPath, true); err != nil {
return err
}
}
return d.ostreeCommit(repo, ostreeBranch, destinationPath, []string{fmt.Sprintf("docker.size=%d", blob.Size),
fmt.Sprintf("docker.uncompressed_size=%d", uncompressedSize),
fmt.Sprintf("docker.uncompressed_digest=%s", uncompressedDigest.String()),
fmt.Sprintf("tarsplit.output=%s", base64.StdEncoding.EncodeToString(tarSplitOutput.Bytes()))})
}
func (d *ostreeImageDestination) importConfig(repo *otbuiltin.Repo, blob *blobToImport) error {
ostreeBranch := fmt.Sprintf("ociimage/%s", blob.Digest.Encoded())
destinationPath := filepath.Dir(blob.BlobPath)
return d.ostreeCommit(repo, ostreeBranch, destinationPath, []string{fmt.Sprintf("docker.size=%d", blob.Size)})
}
// TryReusingBlobWithOptions checks whether the transport already contains, or can efficiently reuse, a blob, and if so, applies it to the current destination
// (e.g. if the blob is a filesystem layer, this signifies that the changes it describes need to be applied again when composing a filesystem tree).
// info.Digest must not be empty.
// If the blob has been successfully reused, returns (true, info, nil); info must contain at least a digest and size, and may
// include CompressionOperation and CompressionAlgorithm fields to indicate that a change to the compression type should be
// reflected in the manifest that will be written.
// If the transport can not reuse the requested blob, TryReusingBlob returns (false, {}, nil); it returns a non-nil error only on an unexpected failure.
func (d *ostreeImageDestination) TryReusingBlobWithOptions(ctx context.Context, info types.BlobInfo, options private.TryReusingBlobOptions) (bool, private.ReusedBlob, error) {
if !impl.OriginalCandidateMatchesTryReusingBlobOptions(options) {
return false, private.ReusedBlob{}, nil
}
if d.repo == nil {
repo, err := openRepo(d.ref.repo)
if err != nil {
return false, private.ReusedBlob{}, err
}
d.repo = repo
}
if err := info.Digest.Validate(); err != nil { // digest.Digest.Encoded() panics on failure, so validate explicitly.
return false, private.ReusedBlob{}, err
}
branch := fmt.Sprintf("ociimage/%s", info.Digest.Encoded())
found, data, err := readMetadata(d.repo, branch, "docker.uncompressed_digest")
if err != nil || !found {
return found, private.ReusedBlob{}, err
}
found, data, err = readMetadata(d.repo, branch, "docker.uncompressed_size")
if err != nil || !found {
return found, private.ReusedBlob{}, err
}
found, data, err = readMetadata(d.repo, branch, "docker.size")
if err != nil || !found {
return found, private.ReusedBlob{}, err
}
size, err := strconv.ParseInt(data, 10, 64)
if err != nil {
return false, private.ReusedBlob{}, err
}
return true, private.ReusedBlob{Digest: info.Digest, Size: size}, nil
}
// PutManifest writes manifest to the destination.
// The instanceDigest value is expected to always be nil, because this transport does not support manifest lists, so
// there can be no secondary manifests.
// FIXME? This should also receive a MIME type if known, to differentiate between schema versions.
// If the destination is in principle available, refuses this manifest type (e.g. it does not recognize the schema),
// but may accept a different manifest type, the returned error must be an ManifestTypeRejectedError.
func (d *ostreeImageDestination) PutManifest(ctx context.Context, manifestBlob []byte, instanceDigest *digest.Digest) error {
if instanceDigest != nil {
return errors.New(`Manifest lists are not supported by "ostree:"`)
}
d.manifest = string(manifestBlob)
if err := json.Unmarshal(manifestBlob, &d.schema); err != nil {
return err
}
manifestPath := filepath.Join(d.tmpDirPath, d.ref.manifestPath())
if err := ensureParentDirectoryExists(manifestPath); err != nil {
return err
}
digest, err := manifest.Digest(manifestBlob)
if err != nil {
return err
}
d.digest = digest
return os.WriteFile(manifestPath, manifestBlob, 0644)
}
// PutSignaturesWithFormat writes a set of signatures to the destination.
// If instanceDigest is not nil, it contains a digest of the specific manifest instance to write or overwrite the signatures for
// (when the primary manifest is a manifest list); this should always be nil if the primary manifest is not a manifest list.
// MUST be called after PutManifest (signatures may reference manifest contents).
func (d *ostreeImageDestination) PutSignaturesWithFormat(ctx context.Context, signatures []signature.Signature, instanceDigest *digest.Digest) error {
if instanceDigest != nil {
return errors.New(`Manifest lists are not supported by "ostree:"`)
}
path := filepath.Join(d.tmpDirPath, d.ref.signaturePath(0))
if err := ensureParentDirectoryExists(path); err != nil {
return err
}
for i, sig := range signatures {
signaturePath := filepath.Join(d.tmpDirPath, d.ref.signaturePath(i))
blob, err := signature.Blob(sig)
if err != nil {
return err
}
if err := os.WriteFile(signaturePath, blob, 0644); err != nil {
return err
}
}
d.signaturesLen = len(signatures)
return nil
}
// CommitWithOptions marks the process of storing the image as successful and asks for the image to be persisted.
// WARNING: This does not have any transactional semantics:
// - Uploaded data MAY be visible to others before CommitWithOptions() is called
// - Uploaded data MAY be removed or MAY remain around if Close() is called without CommitWithOptions() (i.e. rollback is allowed but not guaranteed)
func (d *ostreeImageDestination) CommitWithOptions(ctx context.Context, options private.CommitOptions) error {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
repo, err := otbuiltin.OpenRepo(d.ref.repo)
if err != nil {
return err
}
_, err = repo.PrepareTransaction()
if err != nil {
return err
}
var selinuxHnd *C.struct_selabel_handle
if os.Getuid() == 0 && selinux.GetEnabled() {
selinuxHnd, err = C.selabel_open(C.SELABEL_CTX_FILE, nil, 0)
if selinuxHnd == nil {
return fmt.Errorf("cannot open the SELinux DB: %w", err)
}
defer C.selabel_close(selinuxHnd)
}
checkLayer := func(hash string) error {
blob := d.blobs[hash]
// if the blob is not present in d.blobs then it is already stored in OSTree,
// and we don't need to import it.
if blob == nil {
return nil
}
err := d.importBlob(selinuxHnd, repo, blob)
if err != nil {
return err
}
delete(d.blobs, hash)
return nil
}
for _, layer := range d.schema.LayersDescriptors {
if err := layer.Digest.Validate(); err != nil { // digest.Digest.Encoded() panics on failure, so validate explicitly.
return err
}
hash := layer.Digest.Encoded()
if err = checkLayer(hash); err != nil {
return err
}
}
for _, layer := range d.schema.FSLayers {
if err := layer.BlobSum.Validate(); err != nil { // digest.Digest.Encoded() panics on failure, so validate explicitly.
return err
}
hash := layer.BlobSum.Encoded()
if err = checkLayer(hash); err != nil {
return err
}
}
// Import the other blobs that are not layers
for _, blob := range d.blobs {
err := d.importConfig(repo, blob)
if err != nil {
return err
}
}
manifestPath := filepath.Join(d.tmpDirPath, "manifest")
metadata := []string{fmt.Sprintf("docker.manifest=%s", string(d.manifest)),
fmt.Sprintf("signatures=%d", d.signaturesLen),
fmt.Sprintf("docker.digest=%s", string(d.digest))}
if err := d.ostreeCommit(repo, fmt.Sprintf("ociimage/%s", d.ref.branchName), manifestPath, metadata); err != nil {
return err
}
_, err = repo.CommitTransaction()
return err
}
func ensureDirectoryExists(path string) error {
if err := fileutils.Exists(path); err != nil && errors.Is(err, fs.ErrNotExist) {
if err := os.MkdirAll(path, 0755); err != nil {
return err
}
}
return nil
}
func ensureParentDirectoryExists(path string) error {
return ensureDirectoryExists(filepath.Dir(path))
}

453
vendor/github.com/containers/image/v5/ostree/ostree_src.go generated vendored
View File

@ -1,453 +0,0 @@
//go:build containers_image_ostree
// +build containers_image_ostree
package ostree
import (
"bytes"
"context"
"encoding/base64"
"errors"
"fmt"
"io"
"strconv"
"strings"
"unsafe"
"github.com/containers/image/v5/internal/imagesource/impl"
"github.com/containers/image/v5/internal/imagesource/stubs"
"github.com/containers/image/v5/internal/private"
"github.com/containers/image/v5/internal/signature"
"github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/types"
"github.com/containers/storage/pkg/ioutils"
"github.com/klauspost/pgzip"
digest "github.com/opencontainers/go-digest"
glib "github.com/ostreedev/ostree-go/pkg/glibobject"
"github.com/vbatts/tar-split/tar/asm"
"github.com/vbatts/tar-split/tar/storage"
)
// #cgo pkg-config: glib-2.0 gobject-2.0 ostree-1
// #include <glib.h>
// #include <glib-object.h>
// #include <gio/gio.h>
// #include <stdlib.h>
// #include <ostree.h>
// #include <gio/ginputstream.h>
import "C"
type ostreeImageSource struct {
impl.Compat
impl.PropertyMethodsInitialize
stubs.NoGetBlobAtInitialize
ref ostreeReference
tmpDir string
repo *C.struct_OstreeRepo
// get the compressed layer by its uncompressed checksum
compressed map[digest.Digest]digest.Digest
}
// newImageSource returns an ImageSource for reading from an existing directory.
func newImageSource(tmpDir string, ref ostreeReference) (private.ImageSource, error) {
s := &ostreeImageSource{
PropertyMethodsInitialize: impl.PropertyMethods(impl.Properties{
HasThreadSafeGetBlob: false,
}),
NoGetBlobAtInitialize: stubs.NoGetBlobAt(ref),
ref: ref,
tmpDir: tmpDir,
compressed: nil,
}
s.Compat = impl.AddCompat(s)
return s, nil
}
// Reference returns the reference used to set up this source.
func (s *ostreeImageSource) Reference() types.ImageReference {
return s.ref
}
// Close removes resources associated with an initialized ImageSource, if any.
func (s *ostreeImageSource) Close() error {
if s.repo != nil {
C.g_object_unref(C.gpointer(s.repo))
}
return nil
}
func (s *ostreeImageSource) getBlobUncompressedSize(blob string, isCompressed bool) (int64, error) {
var metadataKey string
if isCompressed {
metadataKey = "docker.uncompressed_size"
} else {
metadataKey = "docker.size"
}
b := fmt.Sprintf("ociimage/%s", blob)
found, data, err := readMetadata(s.repo, b, metadataKey)
if err != nil || !found {
return 0, err
}
return strconv.ParseInt(data, 10, 64)
}
func (s *ostreeImageSource) getLenSignatures() (int64, error) {
b := fmt.Sprintf("ociimage/%s", s.ref.branchName)
found, data, err := readMetadata(s.repo, b, "signatures")
if err != nil {
return -1, err
}
if !found {
// if 'signatures' is not present, just return 0 signatures.
return 0, nil
}
return strconv.ParseInt(data, 10, 64)
}
func (s *ostreeImageSource) getTarSplitData(blob string) ([]byte, error) {
b := fmt.Sprintf("ociimage/%s", blob)
found, out, err := readMetadata(s.repo, b, "tarsplit.output")
if err != nil || !found {
return nil, err
}
return base64.StdEncoding.DecodeString(out)
}
// GetManifest returns the image's manifest along with its MIME type (which may be empty when it can't be determined but the manifest is available).
// It may use a remote (= slow) service.
// This source implementation does not support manifest lists, so the passed-in instanceDigest should always be nil,
// as the primary manifest can not be a list, so there can be non-default instances.
func (s *ostreeImageSource) GetManifest(ctx context.Context, instanceDigest *digest.Digest) ([]byte, string, error) {
if instanceDigest != nil {
return nil, "", errors.New(`Manifest lists are not supported by "ostree:"`)
}
if s.repo == nil {
repo, err := openRepo(s.ref.repo)
if err != nil {
return nil, "", err
}
s.repo = repo
}
b := fmt.Sprintf("ociimage/%s", s.ref.branchName)
found, out, err := readMetadata(s.repo, b, "docker.manifest")
if err != nil {
return nil, "", err
}
if !found {
return nil, "", errors.New("manifest not found")
}
m := []byte(out)
return m, manifest.GuessMIMEType(m), nil
}
func (s *ostreeImageSource) GetTargetManifest(digest digest.Digest) ([]byte, string, error) {
return nil, "", errors.New("manifest lists are not supported by this transport")
}
func openRepo(path string) (*C.struct_OstreeRepo, error) {
var cerr *C.GError
cpath := C.CString(path)
defer C.free(unsafe.Pointer(cpath))
file := C.g_file_new_for_path(cpath)
defer C.g_object_unref(C.gpointer(file))
repo := C.ostree_repo_new(file)
r := glib.GoBool(glib.GBoolean(C.ostree_repo_open(repo, nil, &cerr)))
if !r {
C.g_object_unref(C.gpointer(repo))
return nil, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
}
return repo, nil
}
type ostreePathFileGetter struct {
repo *C.struct_OstreeRepo
parentRoot *C.GFile
}
type ostreeReader struct {
stream *C.GFileInputStream
}
func (o ostreeReader) Close() error {
C.g_object_unref(C.gpointer(o.stream))
return nil
}
func (o ostreeReader) Read(p []byte) (int, error) {
var cerr *C.GError
instanceCast := C.g_type_check_instance_cast((*C.GTypeInstance)(unsafe.Pointer(o.stream)), C.g_input_stream_get_type())
stream := (*C.GInputStream)(unsafe.Pointer(instanceCast))
b := C.g_input_stream_read_bytes(stream, (C.gsize)(cap(p)), nil, &cerr)
if b == nil {
return 0, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
}
defer C.g_bytes_unref(b)
count := int(C.g_bytes_get_size(b))
if count == 0 {
return 0, io.EOF
}
data := unsafe.Slice((*byte)(C.g_bytes_get_data(b, nil)), count)
copy(p, data)
return count, nil
}
func readMetadata(repo *C.struct_OstreeRepo, commit, key string) (bool, string, error) {
var cerr *C.GError
var ref *C.char
defer C.free(unsafe.Pointer(ref))
cCommit := C.CString(commit)
defer C.free(unsafe.Pointer(cCommit))
if !glib.GoBool(glib.GBoolean(C.ostree_repo_resolve_rev(repo, cCommit, C.gboolean(1), &ref, &cerr))) {
return false, "", glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
}
if ref == nil {
return false, "", nil
}
var variant *C.GVariant
if !glib.GoBool(glib.GBoolean(C.ostree_repo_load_variant(repo, C.OSTREE_OBJECT_TYPE_COMMIT, ref, &variant, &cerr))) {
return false, "", glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
}
defer C.g_variant_unref(variant)
if variant != nil {
cKey := C.CString(key)
defer C.free(unsafe.Pointer(cKey))
metadata := C.g_variant_get_child_value(variant, 0)
defer C.g_variant_unref(metadata)
data := C.g_variant_lookup_value(metadata, (*C.gchar)(cKey), nil)
if data != nil {
defer C.g_variant_unref(data)
ptr := (*C.char)(C.g_variant_get_string(data, nil))
val := C.GoString(ptr)
return true, val, nil
}
}
return false, "", nil
}
func newOSTreePathFileGetter(repo *C.struct_OstreeRepo, commit string) (*ostreePathFileGetter, error) {
var cerr *C.GError
var parentRoot *C.GFile
cCommit := C.CString(commit)
defer C.free(unsafe.Pointer(cCommit))
if !glib.GoBool(glib.GBoolean(C.ostree_repo_read_commit(repo, cCommit, &parentRoot, nil, nil, &cerr))) {
return &ostreePathFileGetter{}, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
}
C.g_object_ref(C.gpointer(repo))
return &ostreePathFileGetter{repo: repo, parentRoot: parentRoot}, nil
}
func (o ostreePathFileGetter) Get(filename string) (io.ReadCloser, error) {
var file *C.GFile
filename, _ = strings.CutPrefix(filename, "./")
cfilename := C.CString(filename)
defer C.free(unsafe.Pointer(cfilename))
file = (*C.GFile)(C.g_file_resolve_relative_path(o.parentRoot, cfilename))
var cerr *C.GError
stream := C.g_file_read(file, nil, &cerr)
if stream == nil {
return nil, glib.ConvertGError(glib.ToGError(unsafe.Pointer(cerr)))
}
return &ostreeReader{stream: stream}, nil
}
func (o ostreePathFileGetter) Close() {
C.g_object_unref(C.gpointer(o.repo))
C.g_object_unref(C.gpointer(o.parentRoot))
}
func (s *ostreeImageSource) readSingleFile(commit, path string) (io.ReadCloser, error) {
getter, err := newOSTreePathFileGetter(s.repo, commit)
if err != nil {
return nil, err
}
defer getter.Close()
return getter.Get(path)
}
// GetBlob returns a stream for the specified blob, and the blob’s size (or -1 if unknown).
// The Digest field in BlobInfo is guaranteed to be provided, Size may be -1 and MediaType may be optionally provided.
// May update BlobInfoCache, preferably after it knows for certain that a blob truly exists at a specific location.
func (s *ostreeImageSource) GetBlob(ctx context.Context, info types.BlobInfo, cache types.BlobInfoCache) (io.ReadCloser, int64, error) {
if err := info.Digest.Validate(); err != nil { // digest.Digest.Encoded() panics on failure, so validate explicitly.
return nil, -1, err
}
blob := info.Digest.Encoded()
// Ensure s.compressed is initialized. It is build by LayerInfosForCopy.
if s.compressed == nil {
_, err := s.LayerInfosForCopy(ctx, nil)
if err != nil {
return nil, -1, err
}
}
compressedBlob, isCompressed := s.compressed[info.Digest]
if isCompressed {
blob = compressedBlob.Encoded()
}
branch := fmt.Sprintf("ociimage/%s", blob)
if s.repo == nil {
repo, err := openRepo(s.ref.repo)
if err != nil {
return nil, 0, err
}
s.repo = repo
}
layerSize, err := s.getBlobUncompressedSize(blob, isCompressed)
if err != nil {
return nil, 0, err
}
tarsplit, err := s.getTarSplitData(blob)
if err != nil {
return nil, 0, err
}
// if tarsplit is nil we are looking at the manifest. Return directly the file in /content
if tarsplit == nil {
file, err := s.readSingleFile(branch, "/content")
if err != nil {
return nil, 0, err
}
return file, layerSize, nil
}
mf := bytes.NewReader(tarsplit)
mfz, err := pgzip.NewReader(mf)
if err != nil {
return nil, 0, err
}
metaUnpacker := storage.NewJSONUnpacker(mfz)
getter, err := newOSTreePathFileGetter(s.repo, branch)
if err != nil {
mfz.Close()
return nil, 0, err
}
ots := asm.NewOutputTarStream(getter, metaUnpacker)
rc := ioutils.NewReadCloserWrapper(ots, func() error {
getter.Close()
mfz.Close()
return ots.Close()
})
return rc, layerSize, nil
}
// GetSignaturesWithFormat returns the image's signatures. It may use a remote (= slow) service.
// If instanceDigest is not nil, it contains a digest of the specific manifest instance to retrieve signatures for
// (when the primary manifest is a manifest list); this never happens if the primary manifest is not a manifest list
// (e.g. if the source never returns manifest lists).
func (s *ostreeImageSource) GetSignaturesWithFormat(ctx context.Context, instanceDigest *digest.Digest) ([]signature.Signature, error) {
if instanceDigest != nil {
return nil, errors.New(`Manifest lists are not supported by "ostree:"`)
}
lenSignatures, err := s.getLenSignatures()
if err != nil {
return nil, err
}
branch := fmt.Sprintf("ociimage/%s", s.ref.branchName)
if s.repo == nil {
repo, err := openRepo(s.ref.repo)
if err != nil {
return nil, err
}
s.repo = repo
}
signatures := []signature.Signature{}
for i := int64(1); i <= lenSignatures; i++ {
path := fmt.Sprintf("/signature-%d", i)
sigReader, err := s.readSingleFile(branch, path)
if err != nil {
return nil, err
}
defer sigReader.Close()
sigBlob, err := io.ReadAll(sigReader)
if err != nil {
return nil, err
}
sig, err := signature.FromBlob(sigBlob)
if err != nil {
return nil, fmt.Errorf("parsing signature %q: %w", path, err)
}
signatures = append(signatures, sig)
}
return signatures, nil
}
// LayerInfosForCopy returns either nil (meaning the values in the manifest are fine), or updated values for the layer
// blobsums that are listed in the image's manifest. If values are returned, they should be used when using GetBlob()
// to read the image's layers.
// This source implementation does not support manifest lists, so the passed-in instanceDigest should always be nil,
// as the primary manifest can not be a list, so there can be secondary manifests.
// The Digest field is guaranteed to be provided; Size may be -1.
// WARNING: The list may contain duplicates, and they are semantically relevant.
func (s *ostreeImageSource) LayerInfosForCopy(ctx context.Context, instanceDigest *digest.Digest) ([]types.BlobInfo, error) {
if instanceDigest != nil {
return nil, errors.New(`Manifest lists are not supported by "ostree:"`)
}
updatedBlobInfos := []types.BlobInfo{}
manifestBlob, manifestType, err := s.GetManifest(ctx, nil)
if err != nil {
return nil, err
}
man, err := manifest.FromBlob(manifestBlob, manifestType)
s.compressed = make(map[digest.Digest]digest.Digest)
layerBlobs := man.LayerInfos()
for _, layerBlob := range layerBlobs {
branch := fmt.Sprintf("ociimage/%s", layerBlob.Digest.Encoded())
found, uncompressedDigestStr, err := readMetadata(s.repo, branch, "docker.uncompressed_digest")
if err != nil || !found {
return nil, err
}
found, uncompressedSizeStr, err := readMetadata(s.repo, branch, "docker.uncompressed_size")
if err != nil || !found {
return nil, err
}
uncompressedSize, err := strconv.ParseInt(uncompressedSizeStr, 10, 64)
if err != nil {
return nil, err
}
uncompressedDigest, err := digest.Parse(uncompressedDigestStr)
if err != nil {
return nil, err
}
blobInfo := types.BlobInfo{
Digest: uncompressedDigest,
Size: uncompressedSize,
MediaType: layerBlob.MediaType,
}
s.compressed[uncompressedDigest] = layerBlob.Digest
updatedBlobInfos = append(updatedBlobInfos, blobInfo)
}
return updatedBlobInfos, nil
}

242
vendor/github.com/containers/image/v5/ostree/ostree_transport.go generated vendored
View File

@ -1,242 +0,0 @@
//go:build containers_image_ostree
// +build containers_image_ostree
package ostree
import (
"bytes"
"context"
"errors"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/containers/image/v5/directory/explicitfilepath"
"github.com/containers/image/v5/docker/reference"
"github.com/containers/image/v5/internal/image"
"github.com/containers/image/v5/transports"
"github.com/containers/image/v5/types"
"github.com/containers/storage/pkg/regexp"
)
const defaultOSTreeRepo = "/ostree/repo"
// Transport is an ImageTransport for ostree paths.
var Transport = ostreeTransport{}
type ostreeTransport struct{}
func (t ostreeTransport) Name() string {
return "ostree"
}
func init() {
transports.Register(Transport)
}
// ValidatePolicyConfigurationScope checks that scope is a valid name for a signature.PolicyTransportScopes keys
// (i.e. a valid PolicyConfigurationIdentity() or PolicyConfigurationNamespaces() return value).
// It is acceptable to allow an invalid value which will never be matched, it can "only" cause user confusion.
// scope passed to this function will not be "", that value is always allowed.
func (t ostreeTransport) ValidatePolicyConfigurationScope(scope string) error {
sep := strings.Index(scope, ":")
if sep < 0 {
return fmt.Errorf("Invalid ostree: scope %s: Must include a repo", scope)
}
repo := scope[:sep]
if !strings.HasPrefix(repo, "/") {
return fmt.Errorf("Invalid ostree: scope %s: repository must be an absolute path", scope)
}
cleaned := filepath.Clean(repo)
if cleaned != repo {
return fmt.Errorf(`Invalid ostree: scope %s: Uses non-canonical path format, perhaps try with path %s`, scope, cleaned)
}
// FIXME? In the namespaces within a repo,
// we could be verifying the various character set and length restrictions
// from docker/distribution/reference.regexp.go, but other than that there
// are few semantically invalid strings.
return nil
}
// ostreeReference is an ImageReference for ostree paths.
type ostreeReference struct {
image string
branchName string
repo string
}
type ostreeImageCloser struct {
types.ImageCloser
size int64
}
func (t ostreeTransport) ParseReference(ref string) (types.ImageReference, error) {
var repo = ""
image, repoPart, gotRepoPart := strings.Cut(ref, "@/")
if !gotRepoPart {
repo = defaultOSTreeRepo
} else {
repo = "/" + repoPart
}
return NewReference(image, repo)
}
// NewReference returns an OSTree reference for a specified repo and image.
func NewReference(image string, repo string) (types.ImageReference, error) {
// image is not _really_ in a containers/image/docker/reference format;
// as far as the libOSTree ociimage/* namespace is concerned, it is more or
// less an arbitrary string with an implied tag.
// Parse the image using reference.ParseNormalizedNamed so that we can
// check whether the images has a tag specified and we can add ":latest" if needed
ostreeImage, err := reference.ParseNormalizedNamed(image)
if err != nil {
return nil, err
}
if reference.IsNameOnly(ostreeImage) {
image = image + ":latest"
}
resolved, err := explicitfilepath.ResolvePathToFullyExplicit(repo)
if err != nil {
// With os.IsNotExist(err), the parent directory of repo is also not existent;
// that should ordinarily not happen, but it would be a bit weird to reject
// references which do not specify a repo just because the implicit defaultOSTreeRepo
// does not exist.
if os.IsNotExist(err) && repo == defaultOSTreeRepo {
resolved = repo
} else {
return nil, err
}
}
// This is necessary to prevent directory paths returned by PolicyConfigurationNamespaces
// from being ambiguous with values of PolicyConfigurationIdentity.
if strings.Contains(resolved, ":") {
return nil, fmt.Errorf("Invalid OSTree reference %s@%s: path %s contains a colon", image, repo, resolved)
}
return ostreeReference{
image: image,
branchName: encodeOStreeRef(image),
repo: resolved,
}, nil
}
func (ref ostreeReference) Transport() types.ImageTransport {
return Transport
}
// StringWithinTransport returns a string representation of the reference, which MUST be such that
// reference.Transport().ParseReference(reference.StringWithinTransport()) returns an equivalent reference.
// NOTE: The returned string is not promised to be equal to the original input to ParseReference;
// e.g. default attribute values omitted by the user may be filled in the return value, or vice versa.
// WARNING: Do not use the return value in the UI to describe an image, it does not contain the Transport().Name() prefix.
func (ref ostreeReference) StringWithinTransport() string {
return fmt.Sprintf("%s@%s", ref.image, ref.repo)
}
// DockerReference returns a Docker reference associated with this reference
// (fully explicit, i.e. !reference.IsNameOnly, but reflecting user intent,
// not e.g. after redirect or alias processing), or nil if unknown/not applicable.
func (ref ostreeReference) DockerReference() reference.Named {
return nil
}
func (ref ostreeReference) PolicyConfigurationIdentity() string {
return fmt.Sprintf("%s:%s", ref.repo, ref.image)
}
// PolicyConfigurationNamespaces returns a list of other policy configuration namespaces to search
// for if explicit configuration for PolicyConfigurationIdentity() is not set. The list will be processed
// in order, terminating on first match, and an implicit "" is always checked at the end.
// It is STRONGLY recommended for the first element, if any, to be a prefix of PolicyConfigurationIdentity(),
// and each following element to be a prefix of the element preceding it.
func (ref ostreeReference) PolicyConfigurationNamespaces() []string {
repo, _, gotTag := strings.Cut(ref.image, ":")
if !gotTag { // Coverage: Should never happen, NewReference above ensures ref.image has a :tag.
panic(fmt.Sprintf("Internal inconsistency: ref.image value %q does not have a :tag", ref.image))
}
name := repo
res := []string{}
for {
res = append(res, fmt.Sprintf("%s:%s", ref.repo, name))
lastSlash := strings.LastIndex(name, "/")
if lastSlash == -1 {
break
}
name = name[:lastSlash]
}
return res
}
func (s *ostreeImageCloser) Size() (int64, error) {
return s.size, nil
}
// NewImage returns a types.ImageCloser for this reference, possibly specialized for this ImageTransport.
// The caller must call .Close() on the returned ImageCloser.
// NOTE: If any kind of signature verification should happen, build an UnparsedImage from the value returned by NewImageSource,
// verify that UnparsedImage, and convert it into a real Image via image.FromUnparsedImage.
func (ref ostreeReference) NewImage(ctx context.Context, sys *types.SystemContext) (types.ImageCloser, error) {
return image.FromReference(ctx, sys, ref)
}
// NewImageSource returns a types.ImageSource for this reference.
// The caller must call .Close() on the returned ImageSource.
func (ref ostreeReference) NewImageSource(ctx context.Context, sys *types.SystemContext) (types.ImageSource, error) {
var tmpDir string
if sys == nil || sys.OSTreeTmpDirPath == "" {
tmpDir = os.TempDir()
} else {
tmpDir = sys.OSTreeTmpDirPath
}
return newImageSource(tmpDir, ref)
}
// NewImageDestination returns a types.ImageDestination for this reference.
// The caller must call .Close() on the returned ImageDestination.
func (ref ostreeReference) NewImageDestination(ctx context.Context, sys *types.SystemContext) (types.ImageDestination, error) {
var tmpDir string
if sys == nil || sys.OSTreeTmpDirPath == "" {
tmpDir = os.TempDir()
} else {
tmpDir = sys.OSTreeTmpDirPath
}
return newImageDestination(ref, tmpDir)
}
// DeleteImage deletes the named image from the registry, if supported.
func (ref ostreeReference) DeleteImage(ctx context.Context, sys *types.SystemContext) error {
return errors.New("Deleting images not implemented for ostree: images")
}
var ostreeRefRegexp = regexp.Delayed(`^[A-Za-z0-9.-]$`)
func encodeOStreeRef(in string) string {
var buffer bytes.Buffer
for i := range in {
sub := in[i : i+1]
if ostreeRefRegexp.MatchString(sub) {
buffer.WriteString(sub)
} else {
buffer.WriteString(fmt.Sprintf("_%02X", sub[0]))
}
}
return buffer.String()
}
// manifestPath returns a path for the manifest within a ostree using our conventions.
func (ref ostreeReference) manifestPath() string {
return filepath.Join("manifest", "manifest.json")
}
// signaturePath returns a path for a signature within a ostree using our conventions.
func (ref ostreeReference) signaturePath(index int) string {
return filepath.Join("manifest", fmt.Sprintf("signature-%d", index+1))
}

9
vendor/github.com/containers/image/v5/storage/storage_dest.go generated vendored
View File

@ -497,9 +497,12 @@ func (s *storageImageDestination) PutBlobPartial(ctx context.Context, chunkAcces
succeeded = true
return private.UploadedBlob{
Digest: blobDigest,
Size: srcInfo.Size,
}, nil
Digest: blobDigest,
Size: srcInfo.Size,
}, s.queueOrCommit(options.LayerIndex, addedLayerInfo{
digest: blobDigest,
emptyLayer: options.EmptyLayer,
})
}
// TryReusingBlobWithOptions checks whether the transport already contains, or can efficiently reuse, a blob, and if so, applies it to the current destination

5
vendor/github.com/containers/image/v5/transports/alltransports/alltransports.go generated vendored
View File

@ -19,10 +19,13 @@ import (
_ "github.com/containers/image/v5/sif"
_ "github.com/containers/image/v5/tarball"
// The docker-daemon transport is registeredy by docker_daemon*.go
// The ostree transport is registered by ostree*.go
// The storage transport is registered by storage*.go
)
func init() {
transports.Register(transports.NewStubTransport("ostree")) // This transport was completely removed.
}
// ParseImageName converts a URL-like image name to a types.ImageReference.
func ParseImageName(imgName string) (types.ImageReference, error) {
// Keep this in sync with TransportFromImageName!

8
vendor/github.com/containers/image/v5/transports/alltransports/ostree.go generated vendored
View File

@ -1,8 +0,0 @@
//go:build containers_image_ostree && linux
package alltransports
import (
// Register the ostree transport
_ "github.com/containers/image/v5/ostree"
)

9
vendor/github.com/containers/image/v5/transports/alltransports/ostree_stub.go generated vendored
View File

@ -1,9 +0,0 @@
//go:build !containers_image_ostree || !linux
package alltransports
import "github.com/containers/image/v5/transports"
func init() {
transports.Register(transports.NewStubTransport("ostree"))
}

2
vendor/github.com/containers/image/v5/transports/transports.go generated vendored
View File

@ -72,7 +72,7 @@ func ImageName(ref types.ImageReference) string {
return ref.Transport().Name() + ":" + ref.StringWithinTransport()
}
var deprecatedTransports = set.NewWithValues("atomic")
var deprecatedTransports = set.NewWithValues("atomic", "ostree")
// ListNames returns a list of non deprecated transport names.
// Deprecated transports can be used, but are not presented to users.

2
vendor/github.com/containers/image/v5/types/types.go generated vendored
View File

@ -659,6 +659,8 @@ type SystemContext struct {
// If true, the physical pull source of docker transport images logged as info level
DockerLogMirrorChoice bool
// Directory to use for OSTree temporary files
//
// Deprecated: The OSTree transport has been removed.
OSTreeTmpDirPath string
// If true, all blobs will have precomputed digests to ensure layers are not uploaded that already exist on the registry.
// Note that this requires writing blobs to temporary files, and takes more time than the default behavior,