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xl/fs: isFunctions should only return boolean. (#1525) 

log the unrecognize errors.
This commit is contained in:
Harshavardhana 2016-05-08 01:58:05 -07:00 committed by Anand Babu (AB) Periasamy
parent 937d68202d
commit a56d5ef415
9 changed files with 113 additions and 90 deletions
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8
fs-objects-multipart.go
View File

@ -46,15 +46,17 @@ func (fs fsObjects) CompleteMultipartUpload(bucket string, object string, upload
if !IsValidBucketName(bucket) {
return "", BucketNameInvalid{Bucket: bucket}
}
// Verify whether the bucket exists.
if !isBucketExist(fs.storage, bucket) {
return "", BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return "", ObjectNameInvalid{
Bucket: bucket,
Object: object,
}
}
if status, err := isUploadIDExists(fs.storage, bucket, object, uploadID); err != nil {
return "", err
} else if !status {
if !isUploadIDExists(fs.storage, bucket, object, uploadID) {
return "", InvalidUploadID{UploadID: uploadID}
}

14
fs-objects.go
View File

@ -90,11 +90,14 @@ func (fs fsObjects) DeleteBucket(bucket string) error {
func (fs fsObjects) GetObject(bucket, object string, startOffset int64) (io.ReadCloser, error) {
// Verify if bucket is valid.
if !IsValidBucketName(bucket) {
return nil, (BucketNameInvalid{Bucket: bucket})
return nil, BucketNameInvalid{Bucket: bucket}
}
if !isBucketExist(fs.storage, bucket) {
return nil, BucketNotFound{Bucket: bucket}
}
// Verify if object is valid.
if !IsValidObjectName(object) {
return nil, (ObjectNameInvalid{Bucket: bucket, Object: object})
return nil, ObjectNameInvalid{Bucket: bucket, Object: object}
}
fileReader, err := fs.storage.ReadFile(bucket, object, startOffset)
if err != nil {
@ -109,6 +112,9 @@ func (fs fsObjects) GetObjectInfo(bucket, object string) (ObjectInfo, error) {
if !IsValidBucketName(bucket) {
return ObjectInfo{}, (BucketNameInvalid{Bucket: bucket})
}
if !isBucketExist(fs.storage, bucket) {
return ObjectInfo{}, BucketNotFound{Bucket: bucket}
}
// Verify if object is valid.
if !IsValidObjectName(object) {
return ObjectInfo{}, (ObjectNameInvalid{Bucket: bucket, Object: object})
@ -145,6 +151,9 @@ func (fs fsObjects) DeleteObject(bucket, object string) error {
if !IsValidBucketName(bucket) {
return BucketNameInvalid{Bucket: bucket}
}
if !isBucketExist(fs.storage, bucket) {
return BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return ObjectNameInvalid{Bucket: bucket, Object: object}
}
@ -154,6 +163,7 @@ func (fs fsObjects) DeleteObject(bucket, object string) error {
return nil
}
// ListObjects - list all objects.
func (fs fsObjects) ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error) {
return listObjectsCommon(fs, bucket, prefix, marker, delimiter, maxKeys)
}

4
object-api-getobjectinfo_test.go
View File

@ -67,8 +67,8 @@ func testGetObjectInfo(obj ObjectLayer, instanceType string, t *testing.T) {
{"abcdefgh", "abc", ObjectInfo{}, BucketNotFound{Bucket: "abcdefgh"}, false},
{"ijklmnop", "efg", ObjectInfo{}, BucketNotFound{Bucket: "ijklmnop"}, false},
// Test cases with valid but non-existing bucket names and invalid object name (Test number 8-9).
{"abcdefgh", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "abcdefgh", Object: ""}, false},
{"ijklmnop", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "ijklmnop", Object: ""}, false},
{"test-getobjectinfo", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "test-getobjectinfo", Object: ""}, false},
{"test-getobjectinfo", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "test-getobjectinfo", Object: ""}, false},
// Test cases with non-existing object name with existing bucket (Test number 10-12).
{"test-getobjectinfo", "Africa", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Africa"}, false},
{"test-getobjectinfo", "Antartica", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Antartica"}, false},

2
object-api-multipart_test.go
View File

@ -149,7 +149,7 @@ func testObjectAPIPutObjectPart(obj ObjectLayer, instanceType string, t *testing
{"a", "obj", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Bucket name invalid: a")},
// Test case - 5.
// Case with invalid object names.
{"abc", "", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Object name invalid: abc#")},
{bucket, "", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Object name invalid: minio-bucket#")},
// Test case - 6.
// Valid object and bucket names but non-existent bucket.
{"abc", "def", "", 1, "", "", 0, false, "", fmt.Errorf("%s", "Bucket not found: abc")},

73
object-common-multipart.go
View File

@ -76,18 +76,16 @@ func newMultipartUploadCommon(storage StorageAPI, bucket string, object string)
if !IsValidBucketName(bucket) {
return "", BucketNameInvalid{Bucket: bucket}
}
// Verify whether the bucket exists.
if !isBucketExist(storage, bucket) {
return "", BucketNotFound{Bucket: bucket}
}
// Verify if object name is valid.
if !IsValidObjectName(object) {
return "", ObjectNameInvalid{Bucket: bucket, Object: object}
}
// Verify whether the bucket exists.
if isExist, err := isBucketExist(storage, bucket); err != nil {
return "", err
} else if !isExist {
return "", BucketNotFound{Bucket: bucket}
}
// Loops through until successfully generates a new unique upload id.
for {
uuid, err := uuid.New()
@ -138,20 +136,14 @@ func putObjectPartCommon(storage StorageAPI, bucket string, object string, uploa
if !IsValidBucketName(bucket) {
return "", BucketNameInvalid{Bucket: bucket}
}
// Verify whether the bucket exists.
if !isBucketExist(storage, bucket) {
return "", BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return "", ObjectNameInvalid{Bucket: bucket, Object: object}
}
// Verify whether the bucket exists.
if isExist, err := isBucketExist(storage, bucket); err != nil {
return "", err
} else if !isExist {
return "", BucketNotFound{Bucket: bucket}
}
if status, err := isUploadIDExists(storage, bucket, object, uploadID); err != nil {
return "", err
} else if !status {
if !isUploadIDExists(storage, bucket, object, uploadID) {
return "", InvalidUploadID{UploadID: uploadID}
}
@ -251,12 +243,14 @@ func abortMultipartUploadCommon(storage StorageAPI, bucket, object, uploadID str
if !IsValidBucketName(bucket) {
return BucketNameInvalid{Bucket: bucket}
}
// Verify whether the bucket exists.
if !isBucketExist(storage, bucket) {
return BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return ObjectNameInvalid{Bucket: bucket, Object: object}
}
if status, err := isUploadIDExists(storage, bucket, object, uploadID); err != nil {
return err
} else if !status {
if !isUploadIDExists(storage, bucket, object, uploadID) {
return InvalidUploadID{UploadID: uploadID}
}
return cleanupUploadedParts(storage, mpartMetaPrefix, bucket, object, uploadID)
@ -393,11 +387,22 @@ func listMetaBucketMultipartFiles(layer ObjectLayer, prefixPath string, markerPa
// listMultipartUploadsCommon - lists all multipart uploads, common
// function for both object layers.
func listMultipartUploadsCommon(layer ObjectLayer, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (ListMultipartsInfo, error) {
var storage StorageAPI
switch l := layer.(type) {
case xlObjects:
storage = l.storage
case fsObjects:
storage = l.storage
}
result := ListMultipartsInfo{}
// Verify if bucket is valid.
if !IsValidBucketName(bucket) {
return ListMultipartsInfo{}, BucketNameInvalid{Bucket: bucket}
}
if !isBucketExist(storage, bucket) {
return ListMultipartsInfo{}, BucketNotFound{Bucket: bucket}
}
if !IsValidObjectPrefix(prefix) {
return ListMultipartsInfo{}, ObjectNameInvalid{Bucket: bucket, Object: prefix}
}
@ -495,15 +500,17 @@ func listMultipartUploadsCommon(layer ObjectLayer, bucket, prefix, keyMarker, up
func listObjectPartsCommon(storage StorageAPI, bucket, object, uploadID string, partNumberMarker, maxParts int) (ListPartsInfo, error) {
// Verify if bucket is valid.
if !IsValidBucketName(bucket) {
return ListPartsInfo{}, (BucketNameInvalid{Bucket: bucket})
return ListPartsInfo{}, BucketNameInvalid{Bucket: bucket}
}
// Verify whether the bucket exists.
if !isBucketExist(storage, bucket) {
return ListPartsInfo{}, BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return ListPartsInfo{}, (ObjectNameInvalid{Bucket: bucket, Object: object})
return ListPartsInfo{}, ObjectNameInvalid{Bucket: bucket, Object: object}
}
if status, err := isUploadIDExists(storage, bucket, object, uploadID); err != nil {
return ListPartsInfo{}, err
} else if !status {
return ListPartsInfo{}, (InvalidUploadID{UploadID: uploadID})
if !isUploadIDExists(storage, bucket, object, uploadID) {
return ListPartsInfo{}, InvalidUploadID{UploadID: uploadID}
}
result := ListPartsInfo{}
entries, err := storage.ListDir(minioMetaBucket, path.Join(mpartMetaPrefix, bucket, object, uploadID))
@ -547,16 +554,16 @@ func listObjectPartsCommon(storage StorageAPI, bucket, object, uploadID string,
}
// isUploadIDExists - verify if a given uploadID exists and is valid.
func isUploadIDExists(storage StorageAPI, bucket, object, uploadID string) (bool, error) {
func isUploadIDExists(storage StorageAPI, bucket, object, uploadID string) bool {
uploadIDPath := path.Join(mpartMetaPrefix, bucket, object, uploadID, incompleteFile)
st, err := storage.StatFile(minioMetaBucket, uploadIDPath)
if err != nil {
// Upload id does not exist.
if err == errFileNotFound {
return false, nil
return false
}
return false, err
log.Errorf("StatFile failed wtih %s", err)
return false
}
// Upload id exists and is a regular file.
return st.Mode.IsRegular(), nil
log.Debugf("FileInfo: %v", st)
return st.Mode.IsRegular()
}

34
object-common.go
View File

@ -119,18 +119,16 @@ func putObjectCommon(storage StorageAPI, bucket string, object string, size int6
if !IsValidBucketName(bucket) {
return "", BucketNameInvalid{Bucket: bucket}
}
// Check whether the bucket exists.
if !isBucketExist(storage, bucket) {
return "", BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return "", ObjectNameInvalid{
Bucket: bucket,
Object: object,
}
}
// Check whether the bucket exists.
if isExist, err := isBucketExist(storage, bucket); err != nil {
return "", err
} else if !isExist {
return "", BucketNotFound{Bucket: bucket}
}
tempObj := path.Join(tmpMetaPrefix, bucket, object)
fileWriter, err := storage.CreateFile(minioMetaBucket, tempObj)
@ -195,12 +193,12 @@ func putObjectCommon(storage StorageAPI, bucket string, object string, size int6
}
func listObjectsCommon(layer ObjectLayer, bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsInfo, error) {
var disk StorageAPI
var storage StorageAPI
switch l := layer.(type) {
case xlObjects:
disk = l.storage
storage = l.storage
case fsObjects:
disk = l.storage
storage = l.storage
}
// Verify if bucket is valid.
@ -209,9 +207,7 @@ func listObjectsCommon(layer ObjectLayer, bucket, prefix, marker, delimiter stri
}
// Verify whether the bucket exists.
if isExist, err := isBucketExist(disk, bucket); err != nil {
return ListObjectsInfo{}, err
} else if !isExist {
if !isBucketExist(storage, bucket) {
return ListObjectsInfo{}, BucketNotFound{Bucket: bucket}
}
@ -319,13 +315,15 @@ func listObjectsCommon(layer ObjectLayer, bucket, prefix, marker, delimiter stri
}
// checks whether bucket exists.
func isBucketExist(storage StorageAPI, bucketName string) (bool, error) {
func isBucketExist(storage StorageAPI, bucketName string) bool {
// Check whether bucket exists.
if _, e := storage.StatVol(bucketName); e != nil {
if e == errVolumeNotFound {
return false, nil
_, err := storage.StatVol(bucketName)
if err != nil {
if err == errVolumeNotFound {
return false
}
return false, e
log.Errorf("StatVol failed with %s", err)
return false
}
return true, nil
return true
}

44
posix.go
View File

@ -40,22 +40,32 @@ type fsStorage struct {
}
// isDirEmpty - returns whether given directory is empty or not.
func isDirEmpty(dirname string) (status bool, err error) {
func isDirEmpty(dirname string) bool {
f, err := os.Open(dirname)
if err == nil {
defer f.Close()
if _, err = f.Readdirnames(1); err == io.EOF {
status = true
err = nil
}
if err != nil {
log.Errorf("Unable to access directory %s, failed with %s", dirname, err)
return false
}
return status, err
defer f.Close()
// List one entry.
_, err = f.Readdirnames(1)
if err != nil {
if err == io.EOF {
// Returns true if we have reached EOF, directory is
// indeed empty.
return true
}
log.Errorf("Unable to list directory %s, failed with %s", dirname, err)
return false
}
// Directory is not empty.
return false
}
// Initialize a new storage disk.
func newPosix(diskPath string) (StorageAPI, error) {
if diskPath == "" {
log.Debug("Disk cannot be empty")
log.Error("Disk cannot be empty")
return nil, errInvalidArgument
}
st, err := os.Stat(diskPath)
@ -82,8 +92,7 @@ func newPosix(diskPath string) (StorageAPI, error) {
return fs, nil
}
// checkDiskFree verifies if disk path has sufficient minium free disk
// space.
// checkDiskFree verifies if disk path has sufficient minium free disk space.
func checkDiskFree(diskPath string, minFreeDisk int64) (err error) {
di, err := disk.GetInfo(diskPath)
if err != nil {
@ -527,18 +536,9 @@ func deleteFile(basePath, deletePath string) error {
}
return err
}
if pathSt.IsDir() {
if pathSt.IsDir() && !isDirEmpty(deletePath) {
// Verify if directory is empty.
empty, err := isDirEmpty(deletePath)
if err != nil {
log.WithFields(logrus.Fields{
"deletePath": deletePath,
}).Debugf("isDirEmpty failed with %s", err)
return err
}
if !empty {
return nil
}
return nil
}
// Attempt to remove path.
if err := os.Remove(deletePath); err != nil {

8
xl-objects-multipart.go
View File

@ -96,15 +96,17 @@ func (xl xlObjects) CompleteMultipartUpload(bucket string, object string, upload
if !IsValidBucketName(bucket) {
return "", BucketNameInvalid{Bucket: bucket}
}
// Verify whether the bucket exists.
if !isBucketExist(xl.storage, bucket) {
return "", BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return "", ObjectNameInvalid{
Bucket: bucket,
Object: object,
}
}
if status, err := isUploadIDExists(xl.storage, bucket, object, uploadID); err != nil {
return "", err
} else if !status {
if !isUploadIDExists(xl.storage, bucket, object, uploadID) {
return "", InvalidUploadID{UploadID: uploadID}
}
var metadata = MultipartObjectInfo{}

16
xl-objects.go
View File

@ -139,6 +139,9 @@ func (xl xlObjects) GetObject(bucket, object string, startOffset int64) (io.Read
if !IsValidBucketName(bucket) {
return nil, BucketNameInvalid{Bucket: bucket}
}
if !isBucketExist(xl.storage, bucket) {
return nil, BucketNotFound{Bucket: bucket}
}
// Verify if object is valid.
if !IsValidObjectName(object) {
return nil, ObjectNameInvalid{Bucket: bucket, Object: object}
@ -201,16 +204,14 @@ func (xl xlObjects) GetObjectInfo(bucket, object string) (ObjectInfo, error) {
if !IsValidBucketName(bucket) {
return ObjectInfo{}, BucketNameInvalid{Bucket: bucket}
}
// Check whether the bucket exists.
if !isBucketExist(xl.storage, bucket) {
return ObjectInfo{}, BucketNotFound{Bucket: bucket}
}
// Verify if object is valid.
if !IsValidObjectName(object) {
return ObjectInfo{}, ObjectNameInvalid{Bucket: bucket, Object: object}
}
// Check whether the bucket exists.
if isExist, err := isBucketExist(xl.storage, bucket); err != nil {
return ObjectInfo{}, err
} else if !isExist {
return ObjectInfo{}, BucketNotFound{Bucket: bucket}
}
fi, err := xl.storage.StatFile(bucket, object)
if err != nil {
if err != errFileNotFound {
@ -265,6 +266,9 @@ func (xl xlObjects) DeleteObject(bucket, object string) error {
if !IsValidBucketName(bucket) {
return BucketNameInvalid{Bucket: bucket}
}
if !isBucketExist(xl.storage, bucket) {
return BucketNotFound{Bucket: bucket}
}
if !IsValidObjectName(object) {
return ObjectNameInvalid{Bucket: bucket, Object: object}
}