vendor github.com/containers/image@v2.0.1

* progress bar: use spinners for unknown blob sizes
* use 'containers_image_ostree' as build tag
* ostree: default is no OStree support
* Add "Env" to ImageInspectInfo
* config.go: improve debug message
* config.go: log where credentials come from
* Fix typo in docs/containers-registries.conf.5.md
* docker: delete: support all MIME types
* Try harder in storageImageDestination.TryReusingBlob
* docker: allow deleting OCI images
* ostree: improve error message

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2019-07-18 16:50:34 +02:00
parent d6b41eb393
commit c1b792c1e0
20 changed files with 119 additions and 83 deletions

View File

@ -597,15 +597,32 @@ func (c *copier) createProgressBar(pool *mpb.Progress, info types.BlobInfo, kind
prefix = prefix[:maxPrefixLen]
}
bar := pool.AddBar(info.Size,
mpb.BarClearOnComplete(),
mpb.PrependDecorators(
decor.Name(prefix),
),
mpb.AppendDecorators(
decor.OnComplete(decor.CountersKibiByte("%.1f / %.1f"), " "+onComplete),
),
)
// Use a normal progress bar when we know the size (i.e., size > 0).
// Otherwise, use a spinner to indicate that something's happening.
var bar *mpb.Bar
if info.Size > 0 {
bar = pool.AddBar(info.Size,
mpb.BarClearOnComplete(),
mpb.PrependDecorators(
decor.Name(prefix),
),
mpb.AppendDecorators(
decor.OnComplete(decor.CountersKibiByte("%.1f / %.1f"), " "+onComplete),
),
)
} else {
bar = pool.AddSpinner(info.Size,
mpb.SpinnerOnLeft,
mpb.BarClearOnComplete(),
mpb.SpinnerStyle([]string{".", "..", "...", "....", ""}),
mpb.PrependDecorators(
decor.Name(prefix),
),
mpb.AppendDecorators(
decor.OnComplete(decor.Name(""), " "+onComplete),
),
)
}
if c.progressOutput == ioutil.Discard {
c.Printf("Copying %s %s\n", kind, info.Digest)
}

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@ -138,8 +138,9 @@ func (s *dockerImageSource) GetManifest(ctx context.Context, instanceDigest *dig
func (s *dockerImageSource) fetchManifest(ctx context.Context, tagOrDigest string) ([]byte, string, error) {
path := fmt.Sprintf(manifestPath, reference.Path(s.ref.ref), tagOrDigest)
headers := make(map[string][]string)
headers["Accept"] = manifest.DefaultRequestedManifestMIMETypes
headers := map[string][]string{
"Accept": manifest.DefaultRequestedManifestMIMETypes,
}
res, err := s.c.makeRequest(ctx, "GET", path, headers, nil, v2Auth, nil)
if err != nil {
return nil, "", err
@ -381,11 +382,9 @@ func deleteImage(ctx context.Context, sys *types.SystemContext, ref dockerRefere
return err
}
// When retrieving the digest from a registry >= 2.3 use the following header:
// "Accept": "application/vnd.docker.distribution.manifest.v2+json"
headers := make(map[string][]string)
headers["Accept"] = []string{manifest.DockerV2Schema2MediaType}
headers := map[string][]string{
"Accept": manifest.DefaultRequestedManifestMIMETypes,
}
refTail, err := ref.tagOrDigest()
if err != nil {
return err

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@ -15,24 +15,24 @@ import (
"github.com/containers/image/manifest"
"github.com/containers/image/pkg/compression"
"github.com/containers/image/types"
"github.com/opencontainers/go-digest"
digest "github.com/opencontainers/go-digest"
"github.com/pkg/errors"
)
// Source is a partial implementation of types.ImageSource for reading from tarPath.
type Source struct {
tarPath string
removeTarPathOnClose bool // Remove temp file on close if true
cacheDataLock sync.Once // Atomic way to ensure that ensureCachedDataIsPresent is only invoked once
removeTarPathOnClose bool // Remove temp file on close if true
// The following data is only available after ensureCachedDataIsPresent() succeeds
cacheDataResult error // The return value of ensureCachedDataIsPresent, since it should be as safe to cache as the side effects
tarManifest *ManifestItem // nil if not available yet.
configBytes []byte
configDigest digest.Digest
orderedDiffIDList []digest.Digest
knownLayers map[digest.Digest]*layerInfo
// Other state
generatedManifest []byte // Private cache for GetManifest(), nil if not set yet.
generatedManifest []byte // Private cache for GetManifest(), nil if not set yet.
cacheDataLock sync.Once // Private state for ensureCachedDataIsPresent to make it concurrency-safe
cacheDataResult error // Private state for ensureCachedDataIsPresent
}
type layerInfo struct {
@ -201,49 +201,52 @@ func (s *Source) readTarComponent(path string) ([]byte, error) {
}
// ensureCachedDataIsPresent loads data necessary for any of the public accessors.
// It is safe to call this from multi-threaded code.
func (s *Source) ensureCachedDataIsPresent() error {
s.cacheDataLock.Do(func() {
// Read and parse manifest.json
tarManifest, err := s.loadTarManifest()
if err != nil {
s.cacheDataResult = err
return
}
// Check to make sure length is 1
if len(tarManifest) != 1 {
s.cacheDataResult = errors.Errorf("Unexpected tar manifest.json: expected 1 item, got %d", len(tarManifest))
return
}
// Read and parse config.
configBytes, err := s.readTarComponent(tarManifest[0].Config)
if err != nil {
s.cacheDataResult = err
return
}
var parsedConfig manifest.Schema2Image // There's a lot of info there, but we only really care about layer DiffIDs.
if err := json.Unmarshal(configBytes, &parsedConfig); err != nil {
s.cacheDataResult = errors.Wrapf(err, "Error decoding tar config %s", tarManifest[0].Config)
return
}
knownLayers, err := s.prepareLayerData(&tarManifest[0], &parsedConfig)
if err != nil {
s.cacheDataResult = err
return
}
// Success; commit.
s.tarManifest = &tarManifest[0]
s.configBytes = configBytes
s.configDigest = digest.FromBytes(configBytes)
s.orderedDiffIDList = parsedConfig.RootFS.DiffIDs
s.knownLayers = knownLayers
s.cacheDataResult = s.ensureCachedDataIsPresentPrivate()
})
return s.cacheDataResult
}
// ensureCachedDataIsPresentPrivate is a private implementation detail of ensureCachedDataIsPresent.
// Call ensureCachedDataIsPresent instead.
func (s *Source) ensureCachedDataIsPresentPrivate() error {
// Read and parse manifest.json
tarManifest, err := s.loadTarManifest()
if err != nil {
return err
}
// Check to make sure length is 1
if len(tarManifest) != 1 {
return errors.Errorf("Unexpected tar manifest.json: expected 1 item, got %d", len(tarManifest))
}
// Read and parse config.
configBytes, err := s.readTarComponent(tarManifest[0].Config)
if err != nil {
return err
}
var parsedConfig manifest.Schema2Image // There's a lot of info there, but we only really care about layer DiffIDs.
if err := json.Unmarshal(configBytes, &parsedConfig); err != nil {
return errors.Wrapf(err, "Error decoding tar config %s", tarManifest[0].Config)
}
knownLayers, err := s.prepareLayerData(&tarManifest[0], &parsedConfig)
if err != nil {
return err
}
// Success; commit.
s.tarManifest = &tarManifest[0]
s.configBytes = configBytes
s.configDigest = digest.FromBytes(configBytes)
s.orderedDiffIDList = parsedConfig.RootFS.DiffIDs
s.knownLayers = knownLayers
return nil
}
// loadTarManifest loads and decodes the manifest.json.
func (s *Source) loadTarManifest() ([]ManifestItem, error) {
// FIXME? Do we need to deal with the legacy format?

View File

@ -226,6 +226,7 @@ func (m *Schema1) Inspect(_ func(types.BlobInfo) ([]byte, error)) (*types.ImageI
}
if s1.Config != nil {
i.Labels = s1.Config.Labels
i.Env = s1.Config.Env
}
return i, nil
}

View File

@ -241,6 +241,7 @@ func (m *Schema2) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*t
}
if s2.Config != nil {
i.Labels = s2.Config.Labels
i.Env = s2.Config.Env
}
return i, nil
}

View File

@ -116,6 +116,7 @@ func (m *OCI1) Inspect(configGetter func(types.BlobInfo) ([]byte, error)) (*type
Architecture: v1.Architecture,
Os: v1.OS,
Layers: layerInfosToStrings(m.LayerInfos()),
Env: d1.Config.Env,
}
return i, nil
}

View File

@ -1,4 +1,4 @@
// +build !containers_image_ostree_stub
// +build containers_image_ostree
package ostree
@ -218,7 +218,7 @@ func fixFiles(selinuxHnd *C.struct_selabel_handle, root string, dir string, user
defer C.free(unsafe.Pointer(fullpathC))
res, err = C.lsetfilecon_raw(fullpathC, context)
if int(res) < 0 {
return errors.Wrapf(err, "cannot setfilecon_raw %s", fullpath)
return errors.Wrapf(err, "cannot setfilecon_raw %s to %s", fullpath, C.GoString(context))
}
}
}

View File

@ -1,4 +1,4 @@
// +build !containers_image_ostree_stub
// +build containers_image_ostree
package ostree

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@ -1,4 +1,4 @@
// +build !containers_image_ostree_stub
// +build containers_image_ostree
package ostree

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@ -56,6 +56,7 @@ func SetAuthentication(sys *types.SystemContext, registry, username, password st
// If an entry is not found empty strings are returned for the username and password
func GetAuthentication(sys *types.SystemContext, registry string) (string, string, error) {
if sys != nil && sys.DockerAuthConfig != nil {
logrus.Debug("Returning credentials from DockerAuthConfig")
return sys.DockerAuthConfig.Username, sys.DockerAuthConfig.Password, nil
}
@ -76,12 +77,15 @@ func GetAuthentication(sys *types.SystemContext, registry string) (string, strin
legacyFormat := path == dockerLegacyPath
username, password, err := findAuthentication(registry, path, legacyFormat)
if err != nil {
logrus.Debugf("Credentials not found")
return "", "", err
}
if username != "" && password != "" {
logrus.Debugf("Returning credentials from %s", path)
return username, password, nil
}
}
logrus.Debugf("Credentials not found")
return "", "", nil
}

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@ -30,10 +30,10 @@ const builtinRegistriesConfPath = "/etc/containers/registries.conf"
// Endpoint describes a remote location of a registry.
type Endpoint struct {
// The endpoint's remote location.
Location string `toml:"location"`
Location string `toml:"location,omitempty"`
// If true, certs verification will be skipped and HTTP (non-TLS)
// connections will be allowed.
Insecure bool `toml:"insecure"`
Insecure bool `toml:"insecure,omitempty"`
}
// rewriteReference will substitute the provided reference `prefix` to the
@ -56,22 +56,22 @@ func (e *Endpoint) rewriteReference(ref reference.Named, prefix string) (referen
// Registry represents a registry.
type Registry struct {
// A registry is an Endpoint too
Endpoint
// The registry's mirrors.
Mirrors []Endpoint `toml:"mirror"`
// If true, pulling from the registry will be blocked.
Blocked bool `toml:"blocked"`
// If true, mirrors will only be used for digest pulls. Pulling images by
// tag can potentially yield different images, depending on which endpoint
// we pull from. Forcing digest-pulls for mirrors avoids that issue.
MirrorByDigestOnly bool `toml:"mirror-by-digest-only"`
// Prefix is used for matching images, and to translate one namespace to
// another. If `Prefix="example.com/bar"`, `location="example.com/foo/bar"`
// and we pull from "example.com/bar/myimage:latest", the image will
// effectively be pulled from "example.com/foo/bar/myimage:latest".
// If no Prefix is specified, it defaults to the specified location.
Prefix string `toml:"prefix"`
// A registry is an Endpoint too
Endpoint
// The registry's mirrors.
Mirrors []Endpoint `toml:"mirror,omitempty"`
// If true, pulling from the registry will be blocked.
Blocked bool `toml:"blocked,omitempty"`
// If true, mirrors will only be used for digest pulls. Pulling images by
// tag can potentially yield different images, depending on which endpoint
// we pull from. Forcing digest-pulls for mirrors avoids that issue.
MirrorByDigestOnly bool `toml:"mirror-by-digest-only,omitempty"`
}
// PullSource consists of an Endpoint and a Reference. Note that the reference is

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@ -491,14 +491,21 @@ func (s *storageImageDestination) TryReusingBlob(ctx context.Context, blobinfo t
// Does the blob correspond to a known DiffID which we already have available?
// Because we must return the size, which is unknown for unavailable compressed blobs, the returned BlobInfo refers to the
// uncompressed layer, and that can happen only if canSubstitute.
if canSubstitute {
// uncompressed layer, and that can happen only if canSubstitute, or if the incoming manifest already specifies the size.
if canSubstitute || blobinfo.Size != -1 {
if uncompressedDigest := cache.UncompressedDigest(blobinfo.Digest); uncompressedDigest != "" && uncompressedDigest != blobinfo.Digest {
layers, err := s.imageRef.transport.store.LayersByUncompressedDigest(uncompressedDigest)
if err != nil && errors.Cause(err) != storage.ErrLayerUnknown {
return false, types.BlobInfo{}, errors.Wrapf(err, `Error looking for layers with digest %q`, uncompressedDigest)
}
if len(layers) > 0 {
if blobinfo.Size != -1 {
s.blobDiffIDs[blobinfo.Digest] = layers[0].UncompressedDigest
return true, blobinfo, nil
}
if !canSubstitute {
return false, types.BlobInfo{}, fmt.Errorf("Internal error: canSubstitute was expected to be true for blobInfo %v", blobinfo)
}
s.blobDiffIDs[uncompressedDigest] = layers[0].UncompressedDigest
return true, types.BlobInfo{
Digest: uncompressedDigest,
@ -627,7 +634,7 @@ func (s *storageImageDestination) Commit(ctx context.Context) error {
if !ok {
// Try to find the layer with contents matching that blobsum.
layer := ""
layers, err2 := s.imageRef.transport.store.LayersByUncompressedDigest(blob.Digest)
layers, err2 := s.imageRef.transport.store.LayersByUncompressedDigest(diffID)
if err2 == nil && len(layers) > 0 {
layer = layers[0].ID
} else {

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@ -1,4 +1,4 @@
// +build !containers_image_ostree_stub,linux
// +build containers_image_ostree,linux
package alltransports

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@ -1,4 +1,4 @@
// +build containers_image_ostree_stub !linux
// +build !containers_image_ostree !linux
package alltransports

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@ -398,6 +398,7 @@ type ImageInspectInfo struct {
Architecture string
Os string
Layers []string
Env []string
}
// DockerAuthConfig contains authorization information for connecting to a registry.

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@ -8,7 +8,7 @@ const (
// VersionMinor is for functionality in a backwards-compatible manner
VersionMinor = 0
// VersionPatch is for backwards-compatible bug fixes
VersionPatch = 0
VersionPatch = 1
// VersionDev indicates development branch. Releases will be empty string.
VersionDev = ""