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-rw-r--r--libpod/image/pull.go39
-rw-r--r--libpod/image/pull_test.go68
2 files changed, 86 insertions, 21 deletions
diff --git a/libpod/image/pull.go b/libpod/image/pull.go
index 7ea19d0e6..f7131f11e 100644
--- a/libpod/image/pull.go
+++ b/libpod/image/pull.go
@@ -64,7 +64,7 @@ type pullRefName struct {
dstName string
}
-func (ir *Runtime) getPullRefPair(srcRef types.ImageReference, destName string) (*pullRefPair, error) {
+func getPullRefName(srcRef types.ImageReference, destName string) (*pullRefName, error) {
imgPart, err := decompose(destName)
if err == nil && !imgPart.hasRegistry {
// If the image doesn't have a registry, set it as the default repo
@@ -77,20 +77,16 @@ func (ir *Runtime) getPullRefPair(srcRef types.ImageReference, destName string)
if srcRef.DockerReference() != nil {
reference = srcRef.DockerReference().String()
}
- destRef, err := is.Transport.ParseStoreReference(ir.store, reference)
- if err != nil {
- return nil, errors.Wrapf(err, "error parsing dest reference name")
- }
- return &pullRefPair{
- image: destName,
- srcRef: srcRef,
- dstRef: destRef,
+ return &pullRefName{
+ image: destName,
+ srcRef: srcRef,
+ dstName: reference,
}, nil
}
// returns a list of pullRefPair with the srcRef and DstRef based on the transport being used
func (ir *Runtime) getPullListFromRef(ctx context.Context, srcRef types.ImageReference, imgName string, sc *types.SystemContext) ([]*pullRefPair, error) {
- var pullRefPairs []*pullRefPair
+ var pullNames []*pullRefName
splitArr := strings.Split(imgName, ":")
archFile := splitArr[len(splitArr)-1]
@@ -112,11 +108,11 @@ func (ir *Runtime) getPullListFromRef(ctx context.Context, srcRef types.ImageRef
if err != nil {
return nil, err
}
- pullInfo, err := ir.getPullRefPair(srcRef, reference)
+ pullInfo, err := getPullRefName(srcRef, reference)
if err != nil {
return nil, err
}
- pullRefPairs = append(pullRefPairs, pullInfo)
+ pullNames = append(pullNames, pullInfo)
} else {
var dest []string
if len(manifest[0].RepoTags) > 0 {
@@ -131,11 +127,11 @@ func (ir *Runtime) getPullListFromRef(ctx context.Context, srcRef types.ImageRef
}
// Need to load in all the repo tags from the manifest
for _, dst := range dest {
- pullInfo, err := ir.getPullRefPair(srcRef, dst)
+ pullInfo, err := getPullRefName(srcRef, dst)
if err != nil {
return nil, err
}
- pullRefPairs = append(pullRefPairs, pullInfo)
+ pullNames = append(pullNames, pullInfo)
}
}
} else if srcRef.Transport().Name() == OCIArchive {
@@ -156,11 +152,11 @@ func (ir *Runtime) getPullListFromRef(ctx context.Context, srcRef types.ImageRef
} else {
dest = manifest.Annotations["org.opencontainers.image.ref.name"]
}
- pullInfo, err := ir.getPullRefPair(srcRef, dest)
+ pullInfo, err := getPullRefName(srcRef, dest)
if err != nil {
return nil, err
}
- pullRefPairs = append(pullRefPairs, pullInfo)
+ pullNames = append(pullNames, pullInfo)
} else if srcRef.Transport().Name() == DirTransport {
// supports pull from a directory
image := splitArr[1]
@@ -170,19 +166,20 @@ func (ir *Runtime) getPullListFromRef(ctx context.Context, srcRef types.ImageRef
// so docker.io isn't prepended, and the path becomes the repository
image = DefaultLocalRepo + image
}
- pullInfo, err := ir.getPullRefPair(srcRef, image)
+ pullInfo, err := getPullRefName(srcRef, image)
if err != nil {
return nil, err
}
- pullRefPairs = append(pullRefPairs, pullInfo)
+ pullNames = append(pullNames, pullInfo)
} else {
- pullInfo, err := ir.getPullRefPair(srcRef, imgName)
+ pullInfo, err := getPullRefName(srcRef, imgName)
if err != nil {
return nil, err
}
- pullRefPairs = append(pullRefPairs, pullInfo)
+ pullNames = append(pullNames, pullInfo)
}
- return pullRefPairs, nil
+
+ return ir.pullRefPairsFromRefNames(pullNames)
}
// pullImage pulls an image from configured registries
diff --git a/libpod/image/pull_test.go b/libpod/image/pull_test.go
index 535dd4e9d..e5e9f6b91 100644
--- a/libpod/image/pull_test.go
+++ b/libpod/image/pull_test.go
@@ -1,15 +1,83 @@
package image
import (
+ "fmt"
"io/ioutil"
"os"
"testing"
"github.com/containers/image/transports"
+ "github.com/containers/image/transports/alltransports"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
+func TestGetPullRefName(t *testing.T) {
+ const imageID = "@0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ const digestSuffix = "@sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+
+ 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",
+ },
+ { // name, no registry, no tag:
+ "dir:/dev/this-does-not-exist", "from-directory",
+ // FIXME(?) Adding a registry also adds a :latest tag. OTOH that actually matches the used destination.
+ // Either way it is surprising that the localhost/ addition changes this. (mitr hoping to remove the "image" member).
+ "localhost/from-directory:latest", "localhost/from-directory:latest",
+ },
+ { // registry/name:tag :
+ "dir:/dev/this-does-not-exist", "example.com/from-directory:notlatest",
+ "example.com/from-directory:notlatest", "example.com/from-directory:notlatest",
+ },
+ { // name:tag, no registry:
+ "dir:/dev/this-does-not-exist", "from-directory:notlatest",
+ "localhost/from-directory:notlatest", "localhost/from-directory:notlatest",
+ },
+ { // name@digest, no registry:
+ "dir:/dev/this-does-not-exist", "from-directory" + digestSuffix,
+ // FIXME?! Why is this dropping the digest, and adding :none?!
+ "localhost/from-directory:none", "localhost/from-directory:none",
+ },
+ { // registry/name@digest:
+ "dir:/dev/this-does-not-exist", "example.com/from-directory" + digestSuffix,
+ "example.com/from-directory" + digestSuffix, "example.com/from-directory" + digestSuffix,
+ },
+ { // 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",
+ },
+ { // containers-storage image ID
+ "dir:/dev/this-does-not-exist", imageID,
+ imageID, imageID,
+ },
+ // == Source does have a Docker reference.
+ // In that case getPullListFromRef uses the full transport:name input as a destName,
+ // which would be invalid in the returned dstName - but dstName is derived from the source, so it does not really matter _so_ much.
+ // Note that unlike real-world use we use different :source and :destination to verify the data flow in more detail.
+ { // registry/name:tag
+ "docker://example.com/busybox:source", "docker://example.com/busybox:destination",
+ "docker://example.com/busybox:destination", "example.com/busybox:source",
+ },
+ { // Implied docker.io/library and :latest
+ "docker://busybox", "docker://busybox:destination",
+ "docker://busybox:destination", "docker.io/library/busybox:latest",
+ },
+ } {
+ srcRef, err := alltransports.ParseImageName(c.srcName)
+ require.NoError(t, err, c.srcName)
+
+ testName := fmt.Sprintf("%#v %#v", c.srcName, c.destName)
+ res, err := getPullRefName(srcRef, c.destName)
+ require.NoError(t, err, testName)
+ assert.Equal(t, &pullRefName{image: c.expectedImage, srcRef: srcRef, dstName: c.expectedDstName}, res, testName)
+ }
+}
+
const registriesConfWithSearch = `[registries.search]
registries = ['example.com', 'docker.io']
`
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-06 14:35:45 +0000