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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
90 changed files with 396 additions and 373 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
registry/storage/driver/gcs/gcs.go
View File

@@ -16,6 +16,7 @@ package gcs
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
@@ -29,20 +30,16 @@ import (
"strings"
"time"
"golang.org/x/net/context"
storagedriver "github.com/docker/distribution/registry/storage/driver"
"github.com/docker/distribution/registry/storage/driver/base"
"github.com/docker/distribution/registry/storage/driver/factory"
"github.com/sirupsen/logrus"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
"golang.org/x/oauth2/jwt"
"google.golang.org/api/googleapi"
"google.golang.org/cloud"
"google.golang.org/cloud/storage"
"github.com/sirupsen/logrus"
ctx "github.com/docker/distribution/context"
storagedriver "github.com/docker/distribution/registry/storage/driver"
"github.com/docker/distribution/registry/storage/driver/base"
"github.com/docker/distribution/registry/storage/driver/factory"
)
const (
@@ -194,7 +191,7 @@ func (d *driver) Name() string {
// GetContent retrieves the content stored at "path" as a []byte.
// This should primarily be used for small objects.
func (d *driver) GetContent(context ctx.Context, path string) ([]byte, error) {
func (d *driver) GetContent(context context.Context, path string) ([]byte, error) {
gcsContext := d.context(context)
name := d.pathToKey(path)
var rc io.ReadCloser
@@ -220,7 +217,7 @@ func (d *driver) GetContent(context ctx.Context, path string) ([]byte, error) {
// PutContent stores the []byte content at a location designated by "path".
// This should primarily be used for small objects.
func (d *driver) PutContent(context ctx.Context, path string, contents []byte) error {
func (d *driver) PutContent(context context.Context, path string, contents []byte) error {
return retry(func() error {
wc := storage.NewWriter(d.context(context), d.bucket, d.pathToKey(path))
wc.ContentType = "application/octet-stream"
@@ -231,7 +228,7 @@ func (d *driver) PutContent(context ctx.Context, path string, contents []byte) e
// Reader retrieves an io.ReadCloser for the content stored at "path"
// with a given byte offset.
// May be used to resume reading a stream by providing a nonzero offset.
func (d *driver) Reader(context ctx.Context, path string, offset int64) (io.ReadCloser, error) {
func (d *driver) Reader(context context.Context, path string, offset int64) (io.ReadCloser, error) {
res, err := getObject(d.client, d.bucket, d.pathToKey(path), offset)
if err != nil {
if res != nil {
@@ -290,7 +287,7 @@ func getObject(client *http.Client, bucket string, name string, offset int64) (*
// Writer returns a FileWriter which will store the content written to it
// at the location designated by "path" after the call to Commit.
func (d *driver) Writer(context ctx.Context, path string, append bool) (storagedriver.FileWriter, error) {
func (d *driver) Writer(context context.Context, path string, append bool) (storagedriver.FileWriter, error) {
writer := &writer{
client: d.client,
bucket: d.bucket,
@@ -542,7 +539,7 @@ func retry(req request) error {
// Stat retrieves the FileInfo for the given path, including the current
// size in bytes and the creation time.
func (d *driver) Stat(context ctx.Context, path string) (storagedriver.FileInfo, error) {
func (d *driver) Stat(context context.Context, path string) (storagedriver.FileInfo, error) {
var fi storagedriver.FileInfoFields
//try to get as file
gcsContext := d.context(context)
@@ -588,7 +585,7 @@ func (d *driver) Stat(context ctx.Context, path string) (storagedriver.FileInfo,
// List returns a list of the objects that are direct descendants of the
//given path.
func (d *driver) List(context ctx.Context, path string) ([]string, error) {
func (d *driver) List(context context.Context, path string) ([]string, error) {
var query *storage.Query
query = &storage.Query{}
query.Delimiter = "/"
@@ -626,7 +623,7 @@ func (d *driver) List(context ctx.Context, path string) ([]string, error) {
// Move moves an object stored at sourcePath to destPath, removing the
// original object.
func (d *driver) Move(context ctx.Context, sourcePath string, destPath string) error {
func (d *driver) Move(context context.Context, sourcePath string, destPath string) error {
gcsContext := d.context(context)
_, err := storageCopyObject(gcsContext, d.bucket, d.pathToKey(sourcePath), d.bucket, d.pathToKey(destPath), nil)
if err != nil {
@@ -674,7 +671,7 @@ func (d *driver) listAll(context context.Context, prefix string) ([]string, erro
}
// Delete recursively deletes all objects stored at "path" and its subpaths.
func (d *driver) Delete(context ctx.Context, path string) error {
func (d *driver) Delete(context context.Context, path string) error {
prefix := d.pathToDirKey(path)
gcsContext := d.context(context)
keys, err := d.listAll(gcsContext, prefix)
@@ -749,7 +746,7 @@ func storageCopyObject(context context.Context, srcBucket, srcName string, destB
// URLFor returns a URL which may be used to retrieve the content stored at
// the given path, possibly using the given options.
// Returns ErrUnsupportedMethod if this driver has no privateKey
func (d *driver) URLFor(context ctx.Context, path string, options map[string]interface{}) (string, error) {
func (d *driver) URLFor(context context.Context, path string, options map[string]interface{}) (string, error) {
if d.privateKey == nil {
return "", storagedriver.ErrUnsupportedMethod{}
}
@@ -856,7 +853,7 @@ func putChunk(client *http.Client, sessionURI string, chunk []byte, from int64,
return bytesPut, err
}
func (d *driver) context(context ctx.Context) context.Context {
func (d *driver) context(context context.Context) context.Context {
return cloud.WithContext(context, dummyProjectID, d.client)
}