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Clean up layer storage layout

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Previously, discussions were still ongoing about different storage layouts that
could support various access models. This changeset removes a layer of
indirection that was in place due to earlier designs. Effectively, this both
associates a layer with a named repository and ensures that content cannot be
accessed across repositories. It also moves to rely on tarsum as a true
content-addressable identifier, removing a layer of indirection during blob
resolution.
This commit is contained in:
Stephen J Day 2014-11-24 16:21:02 -08:00
parent 756989c011
commit 68944ea9cf
6 changed files with 153 additions and 270 deletions
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25
storage/paths_test.go
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@ -28,20 +28,25 @@ func TestPathMapper(t *testing.T) {
name: "foo/bar",
digest: digest.Digest("tarsum.v1+test:abcdef"),
},
expected: "/pathmapper-test/repositories/foo/bar/layers/tarsum/v1/test/abcdef",
},
{
spec: layerIndexLinkPathSpec{
digest: digest.Digest("tarsum.v1+test:abcdef"),
},
expected: "/pathmapper-test/layerindex/tarsum/v1/test/abcdef",
expected: "/pathmapper-test/repositories/foo/bar/layers/tarsum/v1/test/ab/abcdef",
},
{
spec: blobPathSpec{
alg: "sha512",
digest: "abcdefabcdefabcdef908909909",
digest: digest.Digest("tarsum.dev+sha512:abcdefabcdefabcdef908909909"),
},
expected: "/pathmapper-test/blob/sha512/ab/abcdefabcdefabcdef908909909",
expected: "/pathmapper-test/blob/tarsum/dev/sha512/ab/abcdefabcdefabcdef908909909",
},
{
spec: blobPathSpec{
digest: digest.Digest("tarsum.v1+sha256:abcdefabcdefabcdef908909909"),
},
expected: "/pathmapper-test/blob/tarsum/v1/sha256/ab/abcdefabcdefabcdef908909909",
},
{
spec: blobPathSpec{
digest: digest.Digest("tarsum+sha256:abcdefabcdefabcdef908909909"),
},
expected: "/pathmapper-test/blob/tarsum/v0/sha256/ab/abcdefabcdefabcdef908909909",
},
} {
p, err := pm.path(testcase.spec)