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context: remove definition of Context

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Back in the before time, the best practices surrounding usage of Context
weren't quite worked out. We defined our own type to make usage easier.
As this packaged was used elsewhere, it make it more and more
challenging to integrate with the forked `Context` type. Now that it is
available in the standard library, we can just use that one directly.

To make usage more consistent, we now use `dcontext` when referring to
the distribution context package.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
This commit is contained in:
Stephen J Day 2017-08-11 15:31:16 -07:00
parent 7a8efe719e
commit 9c88801a12
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GPG key ID: 67B3DED84EDC823F
90 changed files with 396 additions and 373 deletions
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15
registry/storage/blobwriter.go
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@ -1,6 +1,7 @@
package storage
import (
"context"
"errors"
"fmt"
"io"
@ -8,7 +9,7 @@ import (
"time"
"github.com/docker/distribution"
"github.com/docker/distribution/context"
dcontext "github.com/docker/distribution/context"
storagedriver "github.com/docker/distribution/registry/storage/driver"
"github.com/opencontainers/go-digest"
"github.com/sirupsen/logrus"
@ -56,7 +57,7 @@ func (bw *blobWriter) StartedAt() time.Time {
// Commit marks the upload as completed, returning a valid descriptor. The
// final size and digest are checked against the first descriptor provided.
func (bw *blobWriter) Commit(ctx context.Context, desc distribution.Descriptor) (distribution.Descriptor, error) {
context.GetLogger(ctx).Debug("(*blobWriter).Commit")
dcontext.GetLogger(ctx).Debug("(*blobWriter).Commit")
if err := bw.fileWriter.Commit(); err != nil {
return distribution.Descriptor{}, err
@ -94,13 +95,13 @@ func (bw *blobWriter) Commit(ctx context.Context, desc distribution.Descriptor)
// Cancel the blob upload process, releasing any resources associated with
// the writer and canceling the operation.
func (bw *blobWriter) Cancel(ctx context.Context) error {
context.GetLogger(ctx).Debug("(*blobWriter).Cancel")
dcontext.GetLogger(ctx).Debug("(*blobWriter).Cancel")
if err := bw.fileWriter.Cancel(); err != nil {
return err
}
if err := bw.Close(); err != nil {
context.GetLogger(ctx).Errorf("error closing blobwriter: %s", err)
dcontext.GetLogger(ctx).Errorf("error closing blobwriter: %s", err)
}
if err := bw.removeResources(ctx); err != nil {
@ -261,7 +262,7 @@ func (bw *blobWriter) validateBlob(ctx context.Context, desc distribution.Descri
}
if !verified {
context.GetLoggerWithFields(ctx,
dcontext.GetLoggerWithFields(ctx,
map[interface{}]interface{}{
"canonical": canonical,
"provided": desc.Digest,
@ -365,7 +366,7 @@ func (bw *blobWriter) removeResources(ctx context.Context) error {
// This should be uncommon enough such that returning an error
// should be okay. At this point, the upload should be mostly
// complete, but perhaps the backend became unaccessible.
context.GetLogger(ctx).Errorf("unable to delete layer upload resources %q: %v", dirPath, err)
dcontext.GetLogger(ctx).Errorf("unable to delete layer upload resources %q: %v", dirPath, err)
return err
}
}
@ -383,7 +384,7 @@ func (bw *blobWriter) Reader() (io.ReadCloser, error) {
}
switch err.(type) {
case storagedriver.PathNotFoundError:
context.GetLogger(bw.ctx).Debugf("Nothing found on try %d, sleeping...", try)
dcontext.GetLogger(bw.ctx).Debugf("Nothing found on try %d, sleeping...", try)
time.Sleep(1 * time.Second)
try++
default: