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6d03588e83
When we pull down an image to use as a starting point, we no longer need to attach any additional names to it, as the image library can now find it correctly without requiring us to do so. Signed-off-by: Nalin Dahyabhai <nalin@redhat.com> Closes: #99 Approved by: rhatdan
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package buildah
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import (
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"fmt"
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"github.com/Sirupsen/logrus"
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"github.com/containers/image/copy"
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"github.com/containers/image/docker/reference"
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"github.com/containers/image/signature"
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is "github.com/containers/image/storage"
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"github.com/containers/image/transports/alltransports"
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"github.com/containers/image/types"
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"github.com/containers/storage/storage"
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)
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func pullImage(store storage.Store, options BuilderOptions, sc *types.SystemContext) error {
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name := options.FromImage
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spec := name
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if options.Registry != "" {
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spec = options.Registry + spec
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}
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srcRef, err := alltransports.ParseImageName(name)
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if err != nil {
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srcRef2, err2 := alltransports.ParseImageName(spec)
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if err2 != nil {
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return fmt.Errorf("error parsing image name %q: %v", spec, err2)
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}
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srcRef = srcRef2
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}
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if ref := srcRef.DockerReference(); ref != nil {
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name = srcRef.DockerReference().Name()
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if tagged, ok := srcRef.DockerReference().(reference.NamedTagged); ok {
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name = name + ":" + tagged.Tag()
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}
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}
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destRef, err := is.Transport.ParseStoreReference(store, name)
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if err != nil {
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return fmt.Errorf("error parsing full image name %q: %v", name, err)
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}
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policy, err := signature.DefaultPolicy(sc)
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if err != nil {
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return err
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}
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policyContext, err := signature.NewPolicyContext(policy)
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if err != nil {
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return err
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}
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logrus.Debugf("copying %q to %q", spec, name)
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err = copy.Image(policyContext, destRef, srcRef, getCopyOptions())
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return err
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}
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