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Merge pull request #889 from stevvooe/remove-pathmapper 

Remove pathMapper object
master
Aaron Lehmann 2015-08-18 09:40:34 -07:00
parent 9174fc62d2 614e8c8277
commit 027e7ff770
15 changed files with 93 additions and 91 deletions
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7
docs/storage/blobstore.go
View File

@ -13,7 +13,6 @@ import (
// creating and traversing backend links.
type blobStore struct {
driver driver.StorageDriver
pm *pathMapper
statter distribution.BlobStatter
}
@ -94,7 +93,7 @@ func (bs *blobStore) Put(ctx context.Context, mediaType string, p []byte) (distr
// path returns the canonical path for the blob identified by digest. The blob
// may or may not exist.
func (bs *blobStore) path(dgst digest.Digest) (string, error) {
bp, err := bs.pm.path(blobDataPathSpec{
bp, err := pathFor(blobDataPathSpec{
digest: dgst,
})
@ -140,7 +139,6 @@ func (bs *blobStore) resolve(ctx context.Context, path string) (string, error) {
type blobStatter struct {
driver driver.StorageDriver
pm *pathMapper
}
var _ distribution.BlobDescriptorService = &blobStatter{}
@ -149,9 +147,10 @@ var _ distribution.BlobDescriptorService = &blobStatter{}
// in the main blob store. If this method returns successfully, there is
// strong guarantee that the blob exists and is available.
func (bs *blobStatter) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
path, err := bs.pm.path(blobDataPathSpec{
path, err := pathFor(blobDataPathSpec{
digest: dgst,
})
if err != nil {
return distribution.Descriptor{}, err
}

4
docs/storage/blobwriter.go
View File

@ -266,7 +266,7 @@ func (bw *blobWriter) validateBlob(ctx context.Context, desc distribution.Descri
// identified by dgst. The layer should be validated before commencing the
// move.
func (bw *blobWriter) moveBlob(ctx context.Context, desc distribution.Descriptor) error {
blobPath, err := bw.blobStore.pm.path(blobDataPathSpec{
blobPath, err := pathFor(blobDataPathSpec{
digest: desc.Digest,
})
@ -324,7 +324,7 @@ func (bw *blobWriter) moveBlob(ctx context.Context, desc distribution.Descriptor
// instance. An error will be returned if the clean up cannot proceed. If the
// resources are already not present, no error will be returned.
func (bw *blobWriter) removeResources(ctx context.Context) error {
dataPath, err := bw.blobStore.pm.path(uploadDataPathSpec{
dataPath, err := pathFor(uploadDataPathSpec{
name: bw.blobStore.repository.Name(),
id: bw.id,
})

6
docs/storage/blobwriter_resumable.go
View File

@ -111,12 +111,13 @@ type hashStateEntry struct {
// getStoredHashStates returns a slice of hashStateEntries for this upload.
func (bw *blobWriter) getStoredHashStates(ctx context.Context) ([]hashStateEntry, error) {
uploadHashStatePathPrefix, err := bw.blobStore.pm.path(uploadHashStatePathSpec{
uploadHashStatePathPrefix, err := pathFor(uploadHashStatePathSpec{
name: bw.blobStore.repository.Name(),
id: bw.id,
alg: bw.digester.Digest().Algorithm(),
list: true,
})
if err != nil {
return nil, err
}
@ -156,12 +157,13 @@ func (bw *blobWriter) storeHashState(ctx context.Context) error {
return errResumableDigestNotAvailable
}
uploadHashStatePath, err := bw.blobStore.pm.path(uploadHashStatePathSpec{
uploadHashStatePath, err := pathFor(uploadHashStatePathSpec{
name: bw.blobStore.repository.Name(),
id: bw.id,
alg: bw.digester.Digest().Algorithm(),
offset: int64(h.Len()),
})
if err != nil {
return err
}

2
docs/storage/catalog.go
View File

@ -22,7 +22,7 @@ func (reg *registry) Repositories(ctx context.Context, repos []string, last stri
return 0, errors.New("no space in slice")
}
root, err := defaultPathMapper.path(repositoriesRootPathSpec{})
root, err := pathFor(repositoriesRootPathSpec{})
if err != nil {
return 0, err
}

2
docs/storage/catalog_test.go
View File

@ -23,7 +23,7 @@ func setupFS(t *testing.T) *setupEnv {
c := []byte("")
ctx := context.Background()
registry := NewRegistryWithDriver(ctx, d, memory.NewInMemoryBlobDescriptorCacheProvider(), false, true, false)
rootpath, _ := defaultPathMapper.path(repositoriesRootPathSpec{})
rootpath, _ := pathFor(repositoriesRootPathSpec{})
repos := []string{
"/foo/a/_layers/1",

24
docs/storage/linkedblobstore.go
View File

@ -13,7 +13,7 @@ import (
// linkPathFunc describes a function that can resolve a link based on the
// repository name and digest.
type linkPathFunc func(pm *pathMapper, name string, dgst digest.Digest) (string, error)
type linkPathFunc func(name string, dgst digest.Digest) (string, error)
// linkedBlobStore provides a full BlobService that namespaces the blobs to a
// given repository. Effectively, it manages the links in a given repository
@ -104,7 +104,7 @@ func (lbs *linkedBlobStore) Create(ctx context.Context) (distribution.BlobWriter
uuid := uuid.Generate().String()
startedAt := time.Now().UTC()
path, err := lbs.blobStore.pm.path(uploadDataPathSpec{
path, err := pathFor(uploadDataPathSpec{
name: lbs.repository.Name(),
id: uuid,
})
@ -113,7 +113,7 @@ func (lbs *linkedBlobStore) Create(ctx context.Context) (distribution.BlobWriter
return nil, err
}
startedAtPath, err := lbs.blobStore.pm.path(uploadStartedAtPathSpec{
startedAtPath, err := pathFor(uploadStartedAtPathSpec{
name: lbs.repository.Name(),
id: uuid,
})
@ -133,7 +133,7 @@ func (lbs *linkedBlobStore) Create(ctx context.Context) (distribution.BlobWriter
func (lbs *linkedBlobStore) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
context.GetLogger(ctx).Debug("(*linkedBlobStore).Resume")
startedAtPath, err := lbs.blobStore.pm.path(uploadStartedAtPathSpec{
startedAtPath, err := pathFor(uploadStartedAtPathSpec{
name: lbs.repository.Name(),
id: id,
})
@ -157,7 +157,7 @@ func (lbs *linkedBlobStore) Resume(ctx context.Context, id string) (distribution
return nil, err
}
path, err := lbs.pm.path(uploadDataPathSpec{
path, err := pathFor(uploadDataPathSpec{
name: lbs.repository.Name(),
id: id,
})
@ -228,7 +228,7 @@ func (lbs *linkedBlobStore) linkBlob(ctx context.Context, canonical distribution
}
seenDigests[dgst] = struct{}{}
blobLinkPath, err := linkPathFn(lbs.pm, lbs.repository.Name(), dgst)
blobLinkPath, err := linkPathFn(lbs.repository.Name(), dgst)
if err != nil {
return err
}
@ -298,7 +298,7 @@ func (lbs *linkedBlobStatter) Stat(ctx context.Context, dgst digest.Digest) (dis
func (lbs *linkedBlobStatter) Clear(ctx context.Context, dgst digest.Digest) (err error) {
// clear any possible existence of a link described in linkPathFns
for _, linkPathFn := range lbs.linkPathFns {
blobLinkPath, err := linkPathFn(lbs.pm, lbs.repository.Name(), dgst)
blobLinkPath, err := linkPathFn(lbs.repository.Name(), dgst)
if err != nil {
return err
}
@ -321,7 +321,7 @@ func (lbs *linkedBlobStatter) Clear(ctx context.Context, dgst digest.Digest) (er
// linkPathFuncs to let us try a few different paths before returning not
// found.
func (lbs *linkedBlobStatter) resolveWithLinkFunc(ctx context.Context, dgst digest.Digest, linkPathFn linkPathFunc) (digest.Digest, error) {
blobLinkPath, err := linkPathFn(lbs.pm, lbs.repository.Name(), dgst)
blobLinkPath, err := linkPathFn(lbs.repository.Name(), dgst)
if err != nil {
return "", err
}
@ -335,11 +335,11 @@ func (lbs *linkedBlobStatter) SetDescriptor(ctx context.Context, dgst digest.Dig
}
// blobLinkPath provides the path to the blob link, also known as layers.
func blobLinkPath(pm *pathMapper, name string, dgst digest.Digest) (string, error) {
return pm.path(layerLinkPathSpec{name: name, digest: dgst})
func blobLinkPath(name string, dgst digest.Digest) (string, error) {
return pathFor(layerLinkPathSpec{name: name, digest: dgst})
}
// manifestRevisionLinkPath provides the path to the manifest revision link.
func manifestRevisionLinkPath(pm *pathMapper, name string, dgst digest.Digest) (string, error) {
return pm.path(manifestRevisionLinkPathSpec{name: name, revision: dgst})
func manifestRevisionLinkPath(name string, dgst digest.Digest) (string, error) {
return pathFor(manifestRevisionLinkPathSpec{name: name, revision: dgst})
}

2
docs/storage/manifeststore_test.go
View File

@ -385,7 +385,7 @@ func TestLinkPathFuncs(t *testing.T) {
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/revisions/sha256/deadbeaf/link",
},
} {
p, err := testcase.linkPathFn(defaultPathMapper, testcase.repo, testcase.digest)
p, err := testcase.linkPathFn(testcase.repo, testcase.digest)
if err != nil {
t.Fatalf("unexpected error calling linkPathFn(pm, %q, %q): %v", testcase.repo, testcase.digest, err)
}

53
docs/storage/paths.go
View File

@ -8,10 +8,18 @@ import (
"github.com/docker/distribution/digest"
)
const storagePathVersion = "v2"
const (
storagePathVersion = "v2" // fixed storage layout version
storagePathRoot = "/docker/registry/" // all driver paths have a prefix
// pathMapper maps paths based on "object names" and their ids. The "object
// names" mapped by pathMapper are internal to the storage system.
// TODO(stevvooe): Get rid of the "storagePathRoot". Initially, we though
// storage path root would configurable for all drivers through this
// package. In reality, we've found it simpler to do this on a per driver
// basis.
)
// pathFor maps paths based on "object names" and their ids. The "object
// names" mapped by are internal to the storage system.
//
// The path layout in the storage backend is roughly as follows:
//
@ -37,7 +45,7 @@ const storagePathVersion = "v2"
// -> blob/<algorithm>
// <split directory content addressable storage>
//
// The storage backend layout is broken up into a content- addressable blob
// The storage backend layout is broken up into a content-addressable blob
// store and repositories. The content-addressable blob store holds most data
// throughout the backend, keyed by algorithm and digests of the underlying
// content. Access to the blob store is controled through links from the
@ -98,18 +106,7 @@ const storagePathVersion = "v2"
//
// For more information on the semantic meaning of each path and their
// contents, please see the path spec documentation.
type pathMapper struct {
root string
version string // should be a constant?
}
var defaultPathMapper = &pathMapper{
root: "/docker/registry/",
version: storagePathVersion,
}
// path returns the path identified by spec.
func (pm *pathMapper) path(spec pathSpec) (string, error) {
func pathFor(spec pathSpec) (string, error) {
// Switch on the path object type and return the appropriate path. At
// first glance, one may wonder why we don't use an interface to
@ -123,7 +120,7 @@ func (pm *pathMapper) path(spec pathSpec) (string, error) {
// to an intermediate path object, than can be consumed and mapped by the
// other version.
rootPrefix := []string{pm.root, pm.version}
rootPrefix := []string{storagePathRoot, storagePathVersion}
repoPrefix := append(rootPrefix, "repositories")
switch v := spec.(type) {
@ -136,7 +133,7 @@ func (pm *pathMapper) path(spec pathSpec) (string, error) {
return path.Join(append(append(repoPrefix, v.name, "_manifests", "revisions"), components...)...), nil
case manifestRevisionLinkPathSpec:
root, err := pm.path(manifestRevisionPathSpec{
root, err := pathFor(manifestRevisionPathSpec{
name: v.name,
revision: v.revision,
})
@ -147,7 +144,7 @@ func (pm *pathMapper) path(spec pathSpec) (string, error) {
return path.Join(root, "link"), nil
case manifestSignaturesPathSpec:
root, err := pm.path(manifestRevisionPathSpec{
root, err := pathFor(manifestRevisionPathSpec{
name: v.name,
revision: v.revision,
})
@ -158,10 +155,11 @@ func (pm *pathMapper) path(spec pathSpec) (string, error) {
return path.Join(root, "signatures"), nil
case manifestSignatureLinkPathSpec:
root, err := pm.path(manifestSignaturesPathSpec{
root, err := pathFor(manifestSignaturesPathSpec{
name: v.name,
revision: v.revision,
})
if err != nil {
return "", err
}
@ -175,50 +173,55 @@ func (pm *pathMapper) path(spec pathSpec) (string, error) {
case manifestTagsPathSpec:
return path.Join(append(repoPrefix, v.name, "_manifests", "tags")...), nil
case manifestTagPathSpec:
root, err := pm.path(manifestTagsPathSpec{
root, err := pathFor(manifestTagsPathSpec{
name: v.name,
})
if err != nil {
return "", err
}
return path.Join(root, v.tag), nil
case manifestTagCurrentPathSpec:
root, err := pm.path(manifestTagPathSpec{
root, err := pathFor(manifestTagPathSpec{
name: v.name,
tag: v.tag,
})
if err != nil {
return "", err
}
return path.Join(root, "current", "link"), nil
case manifestTagIndexPathSpec:
root, err := pm.path(manifestTagPathSpec{
root, err := pathFor(manifestTagPathSpec{
name: v.name,
tag: v.tag,
})
if err != nil {
return "", err
}
return path.Join(root, "index"), nil
case manifestTagIndexEntryLinkPathSpec:
root, err := pm.path(manifestTagIndexEntryPathSpec{
root, err := pathFor(manifestTagIndexEntryPathSpec{
name: v.name,
tag: v.tag,
revision: v.revision,
})
if err != nil {
return "", err
}
return path.Join(root, "link"), nil
case manifestTagIndexEntryPathSpec:
root, err := pm.path(manifestTagIndexPathSpec{
root, err := pathFor(manifestTagIndexPathSpec{
name: v.name,
tag: v.tag,
})
if err != nil {
return "", err
}

39
docs/storage/paths_test.go
View File

@ -7,10 +7,6 @@ import (
)
func TestPathMapper(t *testing.T) {
pm := &pathMapper{
root: "/pathmapper-test",
}
for _, testcase := range []struct {
spec pathSpec
expected string
@ -21,14 +17,14 @@ func TestPathMapper(t *testing.T) {
name: "foo/bar",
revision: "sha256:abcdef0123456789",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789",
},
{
spec: manifestRevisionLinkPathSpec{
name: "foo/bar",
revision: "sha256:abcdef0123456789",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789/link",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789/link",
},
{
spec: manifestSignatureLinkPathSpec{
@ -36,41 +32,41 @@ func TestPathMapper(t *testing.T) {
revision: "sha256:abcdef0123456789",
signature: "sha256:abcdef0123456789",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789/signatures/sha256/abcdef0123456789/link",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789/signatures/sha256/abcdef0123456789/link",
},
{
spec: manifestSignaturesPathSpec{
name: "foo/bar",
revision: "sha256:abcdef0123456789",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789/signatures",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/revisions/sha256/abcdef0123456789/signatures",
},
{
spec: manifestTagsPathSpec{
name: "foo/bar",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/tags",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/tags",
},
{
spec: manifestTagPathSpec{
name: "foo/bar",
tag: "thetag",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/tags/thetag",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/tags/thetag",
},
{
spec: manifestTagCurrentPathSpec{
name: "foo/bar",
tag: "thetag",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/tags/thetag/current/link",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/tags/thetag/current/link",
},
{
spec: manifestTagIndexPathSpec{
name: "foo/bar",
tag: "thetag",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/tags/thetag/index",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/tags/thetag/index",
},
{
spec: manifestTagIndexEntryPathSpec{
@ -78,7 +74,7 @@ func TestPathMapper(t *testing.T) {
tag: "thetag",
revision: "sha256:abcdef0123456789",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/tags/thetag/index/sha256/abcdef0123456789",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/tags/thetag/index/sha256/abcdef0123456789",
},
{
spec: manifestTagIndexEntryLinkPathSpec{
@ -86,26 +82,26 @@ func TestPathMapper(t *testing.T) {
tag: "thetag",
revision: "sha256:abcdef0123456789",
},
expected: "/pathmapper-test/repositories/foo/bar/_manifests/tags/thetag/index/sha256/abcdef0123456789/link",
expected: "/docker/registry/v2/repositories/foo/bar/_manifests/tags/thetag/index/sha256/abcdef0123456789/link",
},
{
spec: layerLinkPathSpec{
name: "foo/bar",
digest: "tarsum.v1+test:abcdef",
},
expected: "/pathmapper-test/repositories/foo/bar/_layers/tarsum/v1/test/abcdef/link",
expected: "/docker/registry/v2/repositories/foo/bar/_layers/tarsum/v1/test/abcdef/link",
},
{
spec: blobDataPathSpec{
digest: digest.Digest("tarsum.dev+sha512:abcdefabcdefabcdef908909909"),
},
expected: "/pathmapper-test/blobs/tarsum/dev/sha512/ab/abcdefabcdefabcdef908909909/data",
expected: "/docker/registry/v2/blobs/tarsum/dev/sha512/ab/abcdefabcdefabcdef908909909/data",
},
{
spec: blobDataPathSpec{
digest: digest.Digest("tarsum.v1+sha256:abcdefabcdefabcdef908909909"),
},
expected: "/pathmapper-test/blobs/tarsum/v1/sha256/ab/abcdefabcdefabcdef908909909/data",
expected: "/docker/registry/v2/blobs/tarsum/v1/sha256/ab/abcdefabcdefabcdef908909909/data",
},
{
@ -113,17 +109,17 @@ func TestPathMapper(t *testing.T) {
name: "foo/bar",
id: "asdf-asdf-asdf-adsf",
},
expected: "/pathmapper-test/repositories/foo/bar/_uploads/asdf-asdf-asdf-adsf/data",
expected: "/docker/registry/v2/repositories/foo/bar/_uploads/asdf-asdf-asdf-adsf/data",
},
{
spec: uploadStartedAtPathSpec{
name: "foo/bar",
id: "asdf-asdf-asdf-adsf",
},
expected: "/pathmapper-test/repositories/foo/bar/_uploads/asdf-asdf-asdf-adsf/startedat",
expected: "/docker/registry/v2/repositories/foo/bar/_uploads/asdf-asdf-asdf-adsf/startedat",
},
} {
p, err := pm.path(testcase.spec)
p, err := pathFor(testcase.spec)
if err != nil {
t.Fatalf("unexpected generating path (%T): %v", testcase.spec, err)
}
@ -136,9 +132,10 @@ func TestPathMapper(t *testing.T) {
// Add a few test cases to ensure we cover some errors
// Specify a path that requires a revision and get a digest validation error.
badpath, err := pm.path(manifestSignaturesPathSpec{
badpath, err := pathFor(manifestSignaturesPathSpec{
name: "foo/bar",
})
if err == nil {
t.Fatalf("expected an error when mapping an invalid revision: %s", badpath)
}

3
docs/storage/purgeuploads.go
View File

@ -62,10 +62,11 @@ func getOutstandingUploads(ctx context.Context, driver storageDriver.StorageDriv
uploads := make(map[string]uploadData, 0)
inUploadDir := false
root, err := defaultPathMapper.path(repositoriesRootPathSpec{})
root, err := pathFor(repositoriesRootPathSpec{})
if err != nil {
return uploads, append(errors, err)
}
err = Walk(ctx, driver, root, func(fileInfo storageDriver.FileInfo) error {
filePath := fileInfo.Path()
_, file := path.Split(filePath)

8
docs/storage/purgeuploads_test.go
View File

@ -12,8 +12,6 @@ import (
"github.com/docker/distribution/uuid"
)
var pm = defaultPathMapper
func testUploadFS(t *testing.T, numUploads int, repoName string, startedAt time.Time) (driver.StorageDriver, context.Context) {
d := inmemory.New()
ctx := context.Background()
@ -24,7 +22,7 @@ func testUploadFS(t *testing.T, numUploads int, repoName string, startedAt time.
}
func addUploads(ctx context.Context, t *testing.T, d driver.StorageDriver, uploadID, repo string, startedAt time.Time) {
dataPath, err := pm.path(uploadDataPathSpec{name: repo, id: uploadID})
dataPath, err := pathFor(uploadDataPathSpec{name: repo, id: uploadID})
if err != nil {
t.Fatalf("Unable to resolve path")
}
@ -32,7 +30,7 @@ func addUploads(ctx context.Context, t *testing.T, d driver.StorageDriver, uploa
t.Fatalf("Unable to write data file")
}
startedAtPath, err := pm.path(uploadStartedAtPathSpec{name: repo, id: uploadID})
startedAtPath, err := pathFor(uploadStartedAtPathSpec{name: repo, id: uploadID})
if err != nil {
t.Fatalf("Unable to resolve path")
}
@ -115,7 +113,7 @@ func TestPurgeOnlyUploads(t *testing.T) {
// Create a directory tree outside _uploads and ensure
// these files aren't deleted.
dataPath, err := pm.path(uploadDataPathSpec{name: "test-repo", id: uuid.Generate().String()})
dataPath, err := pathFor(uploadDataPathSpec{name: "test-repo", id: uuid.Generate().String()})
if err != nil {
t.Fatalf(err.Error())
}

2
docs/storage/registry.go
View File

@ -30,7 +30,6 @@ func NewRegistryWithDriver(ctx context.Context, driver storagedriver.StorageDriv
// create global statter, with cache.
var statter distribution.BlobDescriptorService = &blobStatter{
driver: driver,
pm: defaultPathMapper,
}
if blobDescriptorCacheProvider != nil {
@ -39,7 +38,6 @@ func NewRegistryWithDriver(ctx context.Context, driver storagedriver.StorageDriv
bs := &blobStore{
driver: driver,
pm: defaultPathMapper,
statter: statter,
}

7
docs/storage/signaturestore.go
View File

@ -26,7 +26,7 @@ func newSignatureStore(ctx context.Context, repo *repository, blobStore *blobSto
var _ distribution.SignatureService = &signatureStore{}
func (s *signatureStore) Get(dgst digest.Digest) ([][]byte, error) {
signaturesPath, err := s.blobStore.pm.path(manifestSignaturesPathSpec{
signaturesPath, err := pathFor(manifestSignaturesPathSpec{
name: s.repository.Name(),
revision: dgst,
})
@ -119,12 +119,13 @@ func (s *signatureStore) Put(dgst digest.Digest, signatures ...[]byte) error {
// manifest with the given digest. Effectively, each signature link path
// layout is a unique linked blob store.
func (s *signatureStore) linkedBlobStore(ctx context.Context, revision digest.Digest) *linkedBlobStore {
linkpath := func(pm *pathMapper, name string, dgst digest.Digest) (string, error) {
return pm.path(manifestSignatureLinkPathSpec{
linkpath := func(name string, dgst digest.Digest) (string, error) {
return pathFor(manifestSignatureLinkPathSpec{
name: name,
revision: revision,
signature: dgst,
})
}
return &linkedBlobStore{

19
docs/storage/tagstore.go
View File

@ -18,9 +18,10 @@ type tagStore struct {
// tags lists the manifest tags for the specified repository.
func (ts *tagStore) tags() ([]string, error) {
p, err := ts.blobStore.pm.path(manifestTagPathSpec{
p, err := pathFor(manifestTagPathSpec{
name: ts.repository.Name(),
})
if err != nil {
return nil, err
}
@ -47,10 +48,11 @@ func (ts *tagStore) tags() ([]string, error) {
// exists returns true if the specified manifest tag exists in the repository.
func (ts *tagStore) exists(tag string) (bool, error) {
tagPath, err := ts.blobStore.pm.path(manifestTagCurrentPathSpec{
tagPath, err := pathFor(manifestTagCurrentPathSpec{
name: ts.repository.Name(),
tag: tag,
})
if err != nil {
return false, err
}
@ -66,7 +68,7 @@ func (ts *tagStore) exists(tag string) (bool, error) {
// tag tags the digest with the given tag, updating the the store to point at
// the current tag. The digest must point to a manifest.
func (ts *tagStore) tag(tag string, revision digest.Digest) error {
currentPath, err := ts.blobStore.pm.path(manifestTagCurrentPathSpec{
currentPath, err := pathFor(manifestTagCurrentPathSpec{
name: ts.repository.Name(),
tag: tag,
})
@ -87,10 +89,11 @@ func (ts *tagStore) tag(tag string, revision digest.Digest) error {
// resolve the current revision for name and tag.
func (ts *tagStore) resolve(tag string) (digest.Digest, error) {
currentPath, err := ts.blobStore.pm.path(manifestTagCurrentPathSpec{
currentPath, err := pathFor(manifestTagCurrentPathSpec{
name: ts.repository.Name(),
tag: tag,
})
if err != nil {
return "", err
}
@ -111,10 +114,11 @@ func (ts *tagStore) resolve(tag string) (digest.Digest, error) {
// delete removes the tag from repository, including the history of all
// revisions that have the specified tag.
func (ts *tagStore) delete(tag string) error {
tagPath, err := ts.blobStore.pm.path(manifestTagPathSpec{
tagPath, err := pathFor(manifestTagPathSpec{
name: ts.repository.Name(),
tag: tag,
})
if err != nil {
return err
}
@ -131,12 +135,13 @@ func (ts *tagStore) linkedBlobStore(ctx context.Context, tag string) *linkedBlob
blobStore: ts.blobStore,
repository: ts.repository,
ctx: ctx,
linkPathFns: []linkPathFunc{func(pm *pathMapper, name string, dgst digest.Digest) (string, error) {
return pm.path(manifestTagIndexEntryLinkPathSpec{
linkPathFns: []linkPathFunc{func(name string, dgst digest.Digest) (string, error) {
return pathFor(manifestTagIndexEntryLinkPathSpec{
name: name,
tag: tag,
revision: dgst,
})
}},
}
}

6
docs/storage/vacuum.go
View File

@ -18,13 +18,11 @@ func NewVacuum(ctx context.Context, driver driver.StorageDriver) Vacuum {
return Vacuum{
ctx: ctx,
driver: driver,
pm: defaultPathMapper,
}
}
// Vacuum removes content from the filesystem
type Vacuum struct {
pm *pathMapper
driver driver.StorageDriver
ctx context.Context
}
@ -36,7 +34,7 @@ func (v Vacuum) RemoveBlob(dgst string) error {
return err
}
blobPath, err := v.pm.path(blobDataPathSpec{digest: d})
blobPath, err := pathFor(blobDataPathSpec{digest: d})
if err != nil {
return err
}
@ -52,7 +50,7 @@ func (v Vacuum) RemoveBlob(dgst string) error {
// RemoveRepository removes a repository directory from the
// filesystem
func (v Vacuum) RemoveRepository(repoName string) error {
rootForRepository, err := v.pm.path(repositoriesRootPathSpec{})
rootForRepository, err := pathFor(repositoriesRootPathSpec{})
if err != nil {
return err
}