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Use error interfaces for content/metadata

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These interfaces allow us to preserve both the checking of error "cause"
as well as messages returned from the gRPC API so that the client gets
full error reason instead of a default "metadata: not found" in the case
of a missing image.

Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>
This commit is contained in:
Phil Estes
2017-06-12 16:33:06 -04:00
parent f5c587c1f7
commit e10a9aff7d
14 changed files with 254 additions and 70 deletions
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6
metadata/namespaces.go
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@@ -25,7 +25,7 @@ func (s *namespaceStore) Create(ctx context.Context, namespace string, labels ma
bkt, err := topbkt.CreateBucket([]byte(namespace))
if err != nil {
if err == bolt.ErrBucketExists {
return ErrExists
return ErrExists("")
}
return err
@@ -100,12 +100,12 @@ func (s *namespaceStore) Delete(ctx context.Context, namespace string) error {
if empty, err := s.namespaceEmpty(ctx, namespace); err != nil {
return err
} else if !empty {
return ErrNotEmpty
return ErrNotEmpty("")
}
if err := bkt.DeleteBucket([]byte(namespace)); err != nil {
if err == bolt.ErrBucketNotFound {
return ErrNotFound
return ErrNotFound("")
}
return err