context: remove definition of Context

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
No known key found for this signature in database
GPG key ID: 67B3DED84EDC823F
90 changed files with 396 additions and 373 deletions

View file

@ -1,10 +1,11 @@
package cache
import (
"github.com/docker/distribution/context"
"github.com/opencontainers/go-digest"
"context"
"github.com/docker/distribution"
dcontext "github.com/docker/distribution/context"
"github.com/opencontainers/go-digest"
)
// Metrics is used to hold metric counters
@ -53,7 +54,7 @@ func (cbds *cachedBlobStatter) Stat(ctx context.Context, dgst digest.Digest) (di
desc, err := cbds.cache.Stat(ctx, dgst)
if err != nil {
if err != distribution.ErrBlobUnknown {
context.GetLogger(ctx).Errorf("error retrieving descriptor from cache: %v", err)
dcontext.GetLogger(ctx).Errorf("error retrieving descriptor from cache: %v", err)
}
goto fallback
@ -73,7 +74,7 @@ fallback:
}
if err := cbds.cache.SetDescriptor(ctx, dgst, desc); err != nil {
context.GetLogger(ctx).Errorf("error adding descriptor %v to cache: %v", desc.Digest, err)
dcontext.GetLogger(ctx).Errorf("error adding descriptor %v to cache: %v", desc.Digest, err)
}
return desc, err
@ -95,7 +96,7 @@ func (cbds *cachedBlobStatter) Clear(ctx context.Context, dgst digest.Digest) er
func (cbds *cachedBlobStatter) SetDescriptor(ctx context.Context, dgst digest.Digest, desc distribution.Descriptor) error {
if err := cbds.cache.SetDescriptor(ctx, dgst, desc); err != nil {
context.GetLogger(ctx).Errorf("error adding descriptor %v to cache: %v", desc.Digest, err)
dcontext.GetLogger(ctx).Errorf("error adding descriptor %v to cache: %v", desc.Digest, err)
}
return nil
}