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Verify d.donut to be non-nil, usually happens when multiple go versions compilations are linked - possible cause for #659

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This commit is contained in:
Harshavardhana 2015-06-20 11:03:17 -07:00
parent cdeadae167
commit 3bf64f5669
1 changed files with 32 additions and 5 deletions
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37
pkg/storage/drivers/donut/donut.go
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@ -130,6 +130,9 @@ func (b byBucketName) Less(i, j int) bool { return b[i].Name < b[j].Name }
// ListBuckets returns a list of buckets
func (d donutDriver) ListBuckets() (results []drivers.BucketMetadata, err error) {
if d.donut == nil {
return nil, iodine.New(drivers.InternalError{}, nil)
}
buckets, err := d.donut.ListBuckets()
if err != nil {
return nil, err
@ -151,6 +154,9 @@ func (d donutDriver) ListBuckets() (results []drivers.BucketMetadata, err error)
// CreateBucket creates a new bucket
func (d donutDriver) CreateBucket(bucketName, acl string) error {
if d.donut == nil {
return iodine.New(drivers.InternalError{}, nil)
}
if !drivers.IsValidBucketACL(acl) {
return iodine.New(drivers.InvalidACL{ACL: acl}, nil)
}
@ -172,6 +178,9 @@ func (d donutDriver) CreateBucket(bucketName, acl string) error {
// GetBucketMetadata retrieves an bucket's metadata
func (d donutDriver) GetBucketMetadata(bucketName string) (drivers.BucketMetadata, error) {
if d.donut == nil {
return drivers.BucketMetadata{}, iodine.New(drivers.InternalError{}, nil)
}
if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
return drivers.BucketMetadata{}, drivers.BucketNameInvalid{Bucket: bucketName}
}
@ -197,8 +206,11 @@ func (d donutDriver) GetBucketMetadata(bucketName string) (drivers.BucketMetadat
// SetBucketMetadata sets bucket's metadata
func (d donutDriver) SetBucketMetadata(bucketName, acl string) error {
if d.donut == nil {
return iodine.New(drivers.InternalError{}, nil)
}
if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
return drivers.BucketNameInvalid{Bucket: bucketName}
return iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
}
if strings.TrimSpace(acl) == "" {
acl = "private"
@ -214,6 +226,9 @@ func (d donutDriver) SetBucketMetadata(bucketName, acl string) error {
// GetObject retrieves an object and writes it to a writer
func (d donutDriver) GetObject(target io.Writer, bucketName, objectName string) (int64, error) {
if d.donut == nil {
return 0, iodine.New(drivers.InternalError{}, nil)
}
if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
return 0, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
}
@ -233,6 +248,9 @@ func (d donutDriver) GetObject(target io.Writer, bucketName, objectName string)
// GetPartialObject retrieves an object range and writes it to a writer
func (d donutDriver) GetPartialObject(w io.Writer, bucketName, objectName string, start, length int64) (int64, error) {
if d.donut == nil {
return 0, iodine.New(drivers.InternalError{}, nil)
}
// TODO more efficient get partial object with proper donut support
errParams := map[string]string{
"bucketName": bucketName,
@ -283,18 +301,21 @@ func (d donutDriver) GetObjectMetadata(bucketName, objectName string) (drivers.O
"bucketName": bucketName,
"objectName": objectName,
}
if d.donut == nil {
return drivers.ObjectMetadata{}, iodine.New(drivers.InternalError{}, errParams)
}
if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
return drivers.ObjectMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, errParams)
}
if !drivers.IsValidObjectName(objectName) || strings.TrimSpace(objectName) == "" {
return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, nil)
return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNameInvalid{Object: objectName}, errParams)
}
metadata, err := d.donut.GetObjectMetadata(bucketName, objectName)
if err != nil {
return drivers.ObjectMetadata{}, drivers.ObjectNotFound{
return drivers.ObjectMetadata{}, iodine.New(drivers.ObjectNotFound{
Bucket: bucketName,
Object: objectName,
}
}, errParams)
}
created, err := time.Parse(time.RFC3339Nano, metadata["created"])
if err != nil {
@ -327,6 +348,9 @@ func (d donutDriver) ListObjects(bucketName string, resources drivers.BucketReso
errParams := map[string]string{
"bucketName": bucketName,
}
if d.donut == nil {
return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.InternalError{}, errParams)
}
if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
return nil, drivers.BucketResourcesMetadata{}, iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
}
@ -375,6 +399,9 @@ func (d donutDriver) CreateObject(bucketName, objectName, contentType, expectedM
"objectName": objectName,
"contentType": contentType,
}
if d.donut == nil {
return "", iodine.New(drivers.InternalError{}, errParams)
}
if !drivers.IsValidBucket(bucketName) || strings.Contains(bucketName, ".") {
return "", iodine.New(drivers.BucketNameInvalid{Bucket: bucketName}, nil)
}