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Add deprecation message for schema1

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This will add a warning log in the daemon, and will send the message
to be displayed by the CLI.

Signed-off-by: Tibor Vass <tibor@docker.com>
This commit is contained in:
Tibor Vass 2019-06-15 01:56:28 +00:00
parent f923321aae
commit d35f8f4329
3 changed files with 17 additions and 1 deletions
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10
distribution/pull_v2.go
View file

@ -23,7 +23,7 @@ import (
"github.com/docker/docker/distribution/metadata"
"github.com/docker/docker/distribution/xfer"
"github.com/docker/docker/image"
"github.com/docker/docker/image/v1"
v1 "github.com/docker/docker/image/v1"
"github.com/docker/docker/layer"
"github.com/docker/docker/pkg/ioutils"
"github.com/docker/docker/pkg/progress"
@ -392,6 +392,10 @@ func (p *v2Puller) pullV2Tag(ctx context.Context, ref reference.Named, platform
if p.config.RequireSchema2 {
return false, fmt.Errorf("invalid manifest: not schema2")
}
msg := schema1DeprecationMessage(ref)
logrus.Warn(msg)
progress.Message(p.config.ProgressOutput, "", msg)
id, manifestDigest, err = p.pullSchema1(ctx, ref, v, platform)
if err != nil {
return false, err
@ -787,6 +791,10 @@ func (p *v2Puller) pullManifestList(ctx context.Context, ref reference.Named, mf
switch v := manifest.(type) {
case *schema1.SignedManifest:
msg := schema1DeprecationMessage(ref)
logrus.Warn(msg)
progress.Message(p.config.ProgressOutput, "", msg)
platform := toOCIPlatform(manifestMatches[0].Platform)
id, _, err = p.pullSchema1(ctx, manifestRef, v, &platform)
if err != nil {

4
distribution/push_v2.go
View file

@ -188,6 +188,10 @@ func (p *v2Pusher) pushV2Tag(ctx context.Context, ref reference.NamedTagged, id
logrus.Warnf("failed to upload schema2 manifest: %v - falling back to schema1", err)
msg := schema1DeprecationMessage(ref)
logrus.Warn(msg)
progress.Message(p.config.ProgressOutput, "", msg)
manifestRef, err := reference.WithTag(p.repo.Named(), ref.Tag())
if err != nil {
return err

4
distribution/registry.go
View file

@ -156,3 +156,7 @@ func (th *existingTokenHandler) AuthorizeRequest(req *http.Request, params map[s
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", th.token))
return nil
}
func schema1DeprecationMessage(ref reference.Named) string {
return fmt.Sprintf("[DEPRECATION NOTICE] registry v2 schema1 support will be removed in an upcoming release. Please contact admins of the %s registry NOW to avoid future disruption.", reference.Domain(ref))
}