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Make Storage Driver API calls context aware.

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- Change driver interface to take a context as its first argument
     - Make newFileReader take a context as its first argument
     - Make newFileWriter take a context as its first argument
     - Make blobstore exists and delete take a context as a first argument
     - Pass the layerreader's context to the storage layer
     - Pass the app's context to purgeuploads
     - Store the app's context into the blobstore (was previously null)
     - Pass the trace'd context to the storage drivers

Signed-off-by: Richard Scothern <richard.scothern@gmail.com>
This commit is contained in:
Richard 2015-04-27 15:58:58 -07:00
parent fab7e7f2c2
commit ae216e365a
31 changed files with 386 additions and 345 deletions
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6
registry/storage/driver/middleware/cloudfront/middleware.go
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@ -98,12 +98,12 @@ type S3BucketKeyer interface {
// Resolve returns an http.Handler which can serve the contents of the given
// Layer, or an error if not supported by the storagedriver.
func (lh *cloudFrontStorageMiddleware) URLFor(path string, options map[string]interface{}) (string, error) {
func (lh *cloudFrontStorageMiddleware) URLFor(ctx context.Context, path string, options map[string]interface{}) (string, error) {
// TODO(endophage): currently only supports S3
keyer, ok := lh.StorageDriver.(S3BucketKeyer)
if !ok {
context.GetLogger(context.Background()).Warn("the CloudFront middleware does not support this backend storage driver")
return lh.StorageDriver.URLFor(path, options)
context.GetLogger(ctx).Warn("the CloudFront middleware does not support this backend storage driver")
return lh.StorageDriver.URLFor(ctx, path, options)
}
cfURL, err := lh.cloudfront.CannedSignedURL(keyer.S3BucketKey(path), "", time.Now().Add(lh.duration))