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Don't format to string and re-parse a DockerReference()

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We already have a c/image/docker/reference.Named; no need to
round-trip it through a string.  This also eliminates the theoretical
parsing failure, and the unchecked .(reference.Named) cast.

Also add a check for DockerReference() == nil to be extra paranoid,
although that should never happen.

Should not change behavior (but does not add unit tests).

Signed-off-by: Miloslav Trmač <mitr@redhat.com>

Closes: #1176
Approved by: rhatdan
This commit is contained in:
Miloslav Trmač
2018-07-28 02:36:12 +02:00
committed by Atomic Bot
parent 190e074459
commit 1153486ab0
2 changed files with 11 additions and 8 deletions
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10
libpod/image/pull.go
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@ -16,6 +16,7 @@ import (
"github.com/containers/image/pkg/sysregistries"
is "github.com/containers/image/storage"
"github.com/containers/image/tarball"
"github.com/containers/image/transports"
"github.com/containers/image/transports/alltransports"
"github.com/containers/image/types"
"github.com/pkg/errors"
@ -207,11 +208,12 @@ func (i *Image) pullImage(ctx context.Context, writer io.Writer, authfile, signa
for _, imageInfo := range pullRefPairs {
copyOptions := getCopyOptions(writer, signaturePolicyPath, dockerOptions, nil, signingOptions, authfile, "", false, nil)
if imageInfo.srcRef.Transport().Name() == DockerTransport {
imgRef, err := reference.Parse(imageInfo.srcRef.DockerReference().String())
if err != nil {
return nil, err
imgRef := imageInfo.srcRef.DockerReference()
if imgRef == nil { // This should never happen; such references can’t be created.
return nil, fmt.Errorf("internal error: DockerTransport reference %s does not have a DockerReference",
transports.ImageName(imageInfo.srcRef))
}
registry := reference.Domain(imgRef.(reference.Named))
registry := reference.Domain(imgRef)
if util.StringInSlice(registry, insecureRegistries) && !forceSecure {
copyOptions.SourceCtx.DockerInsecureSkipTLSVerify = true