diff options
Diffstat (limited to 'libpod/image')
| -rw-r--r-- | libpod/image/pull.go | 61 | ||||
| -rw-r--r-- | libpod/image/pull_test.go | 27 |
2 files changed, 55 insertions, 33 deletions
diff --git a/libpod/image/pull.go b/libpod/image/pull.go index b7b347475..51a4f6bca 100644 --- a/libpod/image/pull.go +++ b/libpod/image/pull.go @@ -63,6 +63,16 @@ type pullGoal struct { searchedRegistries []string // The list of search registries used; set only if usedSearchRegistries } +// singlePullRefPairGoal returns a no-frills pull goal for the specified reference pair. +func singlePullRefPairGoal(rp pullRefPair) *pullGoal { + return &pullGoal{ + refPairs: []pullRefPair{rp}, + pullAllPairs: false, // Does not really make a difference. + usedSearchRegistries: false, + searchedRegistries: nil, + } +} + // pullRefName records a prepared source reference and a destination name to pull. type pullRefName struct { image string @@ -87,7 +97,7 @@ func singlePullRefNameGoal(rn pullRefName) *pullGoalNames { } } -func getPullRefName(srcRef types.ImageReference, destName string) pullRefName { +func (ir *Runtime) getPullRefPair(srcRef types.ImageReference, destName string) (pullRefPair, error) { imgPart, err := decompose(destName) if err == nil && !imgPart.hasRegistry { // If the image doesn't have a registry, set it as the default repo @@ -100,22 +110,24 @@ func getPullRefName(srcRef types.ImageReference, destName string) pullRefName { if srcRef.DockerReference() != nil { reference = srcRef.DockerReference().String() } - return pullRefName{ - image: destName, - srcRef: srcRef, - dstName: reference, + destRef, err := is.Transport.ParseStoreReference(ir.store, reference) + if err != nil { + return pullRefPair{}, errors.Wrapf(err, "error parsing dest reference name %#v", destName) } + return pullRefPair{ + image: destName, + srcRef: srcRef, + dstRef: destRef, + }, nil } -// getSinglePullRefNameGoal calls getPullRefName with the specified parameters, and returns a single-pair goal for the return value. -func (ir *Runtime) getSinglePullRefNameGoal(srcRef types.ImageReference, destName string) (*pullGoal, error) { - rn := getPullRefName(srcRef, destName) - goalNames := singlePullRefNameGoal(rn) - goal, err := ir.pullGoalFromGoalNames(goalNames) +// getSinglePullRefPairGoal calls getPullRefPair with the specified parameters, and returns a single-pair goal for the return value. +func (ir *Runtime) getSinglePullRefPairGoal(srcRef types.ImageReference, destName string) (*pullGoal, error) { + rp, err := ir.getPullRefPair(srcRef, destName) if err != nil { return nil, err } - return &goal, nil + return singlePullRefPairGoal(rp), nil } // pullGoalFromImageReference returns a pull goal for a single ImageReference, depending on the used transport. @@ -140,7 +152,7 @@ func (ir *Runtime) pullGoalFromImageReference(ctx context.Context, srcRef types. if err != nil { return nil, err } - return ir.getSinglePullRefNameGoal(srcRef, reference) + return ir.getSinglePullRefPairGoal(srcRef, reference) } if len(manifest[0].RepoTags) == 0 { @@ -149,25 +161,24 @@ func (ir *Runtime) pullGoalFromImageReference(ctx context.Context, srcRef types. if err != nil { return nil, err } - return ir.getSinglePullRefNameGoal(srcRef, digest) + return ir.getSinglePullRefPairGoal(srcRef, digest) } // Need to load in all the repo tags from the manifest - res := []pullRefName{} + res := []pullRefPair{} for _, dst := range manifest[0].RepoTags { - pullInfo := getPullRefName(srcRef, dst) + pullInfo, err := ir.getPullRefPair(srcRef, dst) + if err != nil { + return nil, err + } res = append(res, pullInfo) } - goal, err := ir.pullGoalFromGoalNames(&pullGoalNames{ - refNames: res, + return &pullGoal{ + refPairs: res, pullAllPairs: true, usedSearchRegistries: false, searchedRegistries: nil, - }) - if err != nil { - return nil, err - } - return &goal, nil + }, nil case OCIArchive: // retrieve the manifest from index.json to access the image name @@ -187,7 +198,7 @@ func (ir *Runtime) pullGoalFromImageReference(ctx context.Context, srcRef types. } else { dest = manifest.Annotations["org.opencontainers.image.ref.name"] } - return ir.getSinglePullRefNameGoal(srcRef, dest) + return ir.getSinglePullRefPairGoal(srcRef, dest) case DirTransport: path := srcRef.StringWithinTransport() @@ -198,10 +209,10 @@ func (ir *Runtime) pullGoalFromImageReference(ctx context.Context, srcRef types. // so docker.io isn't prepended, and the path becomes the repository image = DefaultLocalRepo + image } - return ir.getSinglePullRefNameGoal(srcRef, image) + return ir.getSinglePullRefPairGoal(srcRef, image) default: - return ir.getSinglePullRefNameGoal(srcRef, imgName) + return ir.getSinglePullRefPairGoal(srcRef, imgName) } } diff --git a/libpod/image/pull_test.go b/libpod/image/pull_test.go index a2e642d51..5ef8c47a5 100644 --- a/libpod/image/pull_test.go +++ b/libpod/image/pull_test.go @@ -61,16 +61,18 @@ func storageReferenceWithoutLocation(ref types.ImageReference) string { return res } -func TestGetPullRefName(t *testing.T) { +func TestGetPullRefPair(t *testing.T) { const imageID = "@0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" const digestSuffix = "@sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" + ir, cleanup := newTestRuntime(t) + defer cleanup() + for _, c := range []struct{ srcName, destName, expectedImage, expectedDstName string }{ // == Source does not have a Docker reference (as is the case for docker-archive:, oci-archive, dir:); destination formats: { // registry/name, no tag: "dir:/dev/this-does-not-exist", "example.com/from-directory", - // The destName value will be interpreted as "example.com/from-directory:latest" by storageTransport. - "example.com/from-directory", "example.com/from-directory", + "example.com/from-directory", "example.com/from-directory:latest", }, { // name, no registry, no tag: "dir:/dev/this-does-not-exist", "from-directory", @@ -98,7 +100,7 @@ func TestGetPullRefName(t *testing.T) { { // ns/name:tag, no registry: // FIXME: This is interpreted as "registry == ns" "dir:/dev/this-does-not-exist", "ns/from-directory:notlatest", - "ns/from-directory:notlatest", "ns/from-directory:notlatest", + "ns/from-directory:notlatest", "docker.io/ns/from-directory:notlatest", }, { // containers-storage image ID "dir:/dev/this-does-not-exist", imageID, @@ -116,13 +118,22 @@ func TestGetPullRefName(t *testing.T) { "docker://busybox", "docker://busybox:destination", "docker://busybox:destination", "docker.io/library/busybox:latest", }, + // == Invalid destination format. + {"tarball:/dev/null", "tarball:/dev/null", "", ""}, } { + testDescription := fmt.Sprintf("%#v %#v", c.srcName, c.destName) srcRef, err := alltransports.ParseImageName(c.srcName) - require.NoError(t, err, c.srcName) + require.NoError(t, err, testDescription) - res := getPullRefName(srcRef, c.destName) - assert.Equal(t, pullRefName{image: c.expectedImage, srcRef: srcRef, dstName: c.expectedDstName}, res, - fmt.Sprintf("%#v %#v", c.srcName, c.destName)) + res, err := ir.getPullRefPair(srcRef, c.destName) + if c.expectedDstName == "" { + assert.Error(t, err, testDescription) + } else { + require.NoError(t, err, testDescription) + assert.Equal(t, c.expectedImage, res.image, testDescription) + assert.Equal(t, srcRef, res.srcRef, testDescription) + assert.Equal(t, c.expectedDstName, storageReferenceWithoutLocation(res.dstRef), testDescription) + } } } |