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Merge pull request #41295 from thaJeztah/disable_v1_push 

Disable manifest v2 schema 1 push
This commit is contained in:
Sebastiaan van Stijn 2020-08-03 18:31:40 +02:00 committed by GitHub
parent bf99523a45 6302dbbf46
commit c560686600
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2 changed files with 18 additions and 2 deletions
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17
distribution/push_v2.go
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@ -2,9 +2,9 @@ package distribution // import "github.com/docker/docker/distribution"
import (
"context"
"errors"
"fmt"
"io"
"os"
"runtime"
"sort"
"strings"
@ -25,6 +25,7 @@ import (
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/registry"
digest "github.com/opencontainers/go-digest"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
@ -186,6 +187,18 @@ func (p *v2Pusher) pushV2Tag(ctx context.Context, ref reference.NamedTagged, id
return err
}
// This is a temporary environment variables used in CI to allow pushing
// manifest v2 schema 1 images to test-registries used for testing *pulling*
// these images.
if os.Getenv("DOCKER_ALLOW_SCHEMA1_PUSH_DONOTUSE") == "" {
if err.Error() == "tag invalid" {
msg := "[DEPRECATED] support for pushing manifest v2 schema1 images has been removed. More information at https://docs.docker.com/registry/spec/deprecated-schema-v1/"
logrus.WithError(err).Error(msg)
return errors.Wrap(err, msg)
}
return err
}
logrus.Warnf("failed to upload schema2 manifest: %v - falling back to schema1", err)
// Note: this fallback is deprecated, see log messages below
@ -204,7 +217,7 @@ func (p *v2Pusher) pushV2Tag(ctx context.Context, ref reference.NamedTagged, id
}
// schema2 failed but schema1 succeeded
msg := 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. More information at https://docs.docker.com/registry/spec/deprecated-schema-v1/", reference.Domain(ref))
msg := fmt.Sprintf("[DEPRECATION NOTICE] support for pushing manifest v2 schema1 images will be removed in an upcoming release. Please contact admins of the %s registry NOW to avoid future disruption. More information at https://docs.docker.com/registry/spec/deprecated-schema-v1/", reference.Domain(ref))
logrus.Warn(msg)
progress.Message(p.config.ProgressOutput, "", msg)
}

3
hack/make/.integration-daemon-start
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@ -38,6 +38,9 @@ fi
# intentionally open a couple bogus file descriptors to help test that they get scrubbed in containers
exec 41>&1 42>&2
# Allow pushing manifest v2 schema 1 images, as they're used to push
# images to our test-registries for testing _pulling_ schema 2v1 images.
export DOCKER_ALLOW_SCHEMA1_PUSH_DONOTUSE=1
export DOCKER_GRAPHDRIVER=${DOCKER_GRAPHDRIVER:-vfs}
export DOCKER_USERLANDPROXY=${DOCKER_USERLANDPROXY:-true}