minio/pkg/fs/errors.go
Harshavardhana 835b297ba7 fs: Fail createObject with appropriate message.
Fail createObject() if a file already exists and one attempts
to create a prefix/directory by same name.

Send an approriate error back to the client as 409 Conflict.
2016-02-03 21:49:36 -08:00

381 lines
8.6 KiB
Go

/*
* Minio Cloud Storage, (C) 2015 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package fs
import "fmt"
// MissingDateHeader date header missing
type MissingDateHeader struct{}
func (e MissingDateHeader) Error() string {
return "Missing date header"
}
// MissingExpiresQuery expires query string missing
type MissingExpiresQuery struct{}
func (e MissingExpiresQuery) Error() string {
return "Missing expires query string"
}
// ExpiredPresignedRequest request already expired
type ExpiredPresignedRequest struct{}
func (e ExpiredPresignedRequest) Error() string {
return "Presigned request already expired"
}
// SignatureDoesNotMatch invalid signature
type SignatureDoesNotMatch struct {
SignatureSent string
SignatureCalculated string
}
func (e SignatureDoesNotMatch) Error() string {
return "The request signature we calculated does not match the signature you provided"
}
// InvalidArgument invalid argument
type InvalidArgument struct{}
func (e InvalidArgument) Error() string {
return "Invalid argument"
}
// UnsupportedFilesystem unsupported filesystem type
type UnsupportedFilesystem struct {
Type string
}
func (e UnsupportedFilesystem) Error() string {
return "Unsupported filesystem: " + e.Type
}
// RootPathFull root path out of space
type RootPathFull struct {
Path string
}
func (e RootPathFull) Error() string {
return "Root path " + e.Path + " reached its minimum free disk threshold."
}
// BucketNotFound bucket does not exist
type BucketNotFound struct {
Bucket string
}
func (e BucketNotFound) Error() string {
return "Bucket not found: " + e.Bucket
}
// BucketNotEmpty bucket is not empty
type BucketNotEmpty struct {
Bucket string
}
func (e BucketNotEmpty) Error() string {
return "Bucket not empty: " + e.Bucket
}
// ObjectNotFound object does not exist
type ObjectNotFound struct {
Bucket string
Object string
}
func (e ObjectNotFound) Error() string {
return "Object not found: " + e.Bucket + "#" + e.Object
}
// ObjectExistsAsPrefix object already exists with a requested prefix.
type ObjectExistsAsPrefix struct {
Bucket string
Prefix string
}
func (e ObjectExistsAsPrefix) Error() string {
return "Object exists on : " + e.Bucket + " as prefix " + e.Prefix
}
// ObjectCorrupted object found to be corrupted
type ObjectCorrupted struct {
Object string
}
func (e ObjectCorrupted) Error() string {
return "Object found corrupted: " + e.Object
}
// BucketExists bucket exists
type BucketExists struct {
Bucket string
}
func (e BucketExists) Error() string {
return "Bucket exists: " + e.Bucket
}
// CorruptedBackend backend found to be corrupted
type CorruptedBackend struct {
Backend string
}
func (e CorruptedBackend) Error() string {
return "Corrupted backend: " + e.Backend
}
// NotImplemented function not implemented
type NotImplemented struct {
Function string
}
func (e NotImplemented) Error() string {
return "Not implemented: " + e.Function
}
// InvalidDisksArgument invalid number of disks per node
type InvalidDisksArgument struct{}
func (e InvalidDisksArgument) Error() string {
return "Invalid number of disks per node"
}
// BadDigest bad md5sum
type BadDigest struct {
Md5 string
Bucket string
Object string
}
func (e BadDigest) Error() string {
return "Bad digest"
}
// ParityOverflow parity over flow
type ParityOverflow struct{}
func (e ParityOverflow) Error() string {
return "Parity overflow"
}
// ChecksumMismatch checksum mismatch
type ChecksumMismatch struct{}
func (e ChecksumMismatch) Error() string {
return "Checksum mismatch"
}
// MissingPOSTPolicy missing post policy
type MissingPOSTPolicy struct{}
func (e MissingPOSTPolicy) Error() string {
return "Missing POST policy in multipart form"
}
// InternalError - generic internal error
type InternalError struct {
}
// BackendError - generic disk backend error
type BackendError struct {
Path string
}
// BackendCorrupted - path has corrupted data
type BackendCorrupted BackendError
// APINotImplemented - generic API not implemented error
type APINotImplemented struct {
API string
}
// GenericBucketError - generic bucket error
type GenericBucketError struct {
Bucket string
}
// GenericObjectError - generic object error
type GenericObjectError struct {
Bucket string
Object string
}
// ImplementationError - generic implementation error
type ImplementationError struct {
Bucket string
Object string
Err error
}
// DigestError - Generic Md5 error
type DigestError struct {
Bucket string
Key string
Md5 string
}
/// ACL related errors
// InvalidACL - acl invalid
type InvalidACL struct {
ACL string
}
func (e InvalidACL) Error() string {
return "Requested ACL is " + e.ACL + " invalid"
}
/// Bucket related errors
// BucketNameInvalid - bucketname provided is invalid
type BucketNameInvalid GenericBucketError
/// Object related errors
// EntityTooLarge - object size exceeds maximum limit
type EntityTooLarge struct {
GenericObjectError
Size string
MaxSize string
}
// ObjectNameInvalid - object name provided is invalid
type ObjectNameInvalid GenericObjectError
// InvalidDigest - md5 in request header invalid
type InvalidDigest DigestError
// Return string an error formatted as the given text
func (e ImplementationError) Error() string {
error := ""
if e.Bucket != "" {
error = error + "Bucket: " + e.Bucket + " "
}
if e.Object != "" {
error = error + "Object: " + e.Object + " "
}
error = error + "Error: " + e.Err.Error()
return error
}
// EmbedError - wrapper function for error object
func EmbedError(bucket, object string, err error) ImplementationError {
return ImplementationError{
Bucket: bucket,
Object: object,
Err: err,
}
}
// Return string an error formatted as the given text
func (e InternalError) Error() string {
return "Internal error occured"
}
// Return string an error formatted as the given text
func (e APINotImplemented) Error() string {
return "Api not implemented: " + e.API
}
// Return string an error formatted as the given text
func (e BucketNameInvalid) Error() string {
return "Bucket name invalid: " + e.Bucket
}
// Return string an error formatted as the given text
func (e ObjectNameInvalid) Error() string {
return "Object name invalid: " + e.Bucket + "#" + e.Object
}
// Return string an error formatted as the given text
func (e EntityTooLarge) Error() string {
return e.Bucket + "#" + e.Object + "with " + e.Size + "reached maximum allowed size limit " + e.MaxSize
}
// IncompleteBody You did not provide the number of bytes specified by the Content-Length HTTP header
type IncompleteBody GenericObjectError
// Return string an error formatted as the given text
func (e IncompleteBody) Error() string {
return e.Bucket + "#" + e.Object + "has incomplete body"
}
// Return string an error formatted as the given text
func (e BackendCorrupted) Error() string {
return "Backend corrupted: " + e.Path
}
// Return string an error formatted as the given text
func (e InvalidDigest) Error() string {
return "Md5 provided " + e.Md5 + " is invalid"
}
// OperationNotPermitted - operation not permitted
type OperationNotPermitted struct {
Op string
Reason string
}
func (e OperationNotPermitted) Error() string {
return "Operation " + e.Op + " not permitted for reason: " + e.Reason
}
// InvalidRange - invalid range
type InvalidRange struct {
Start int64
Length int64
}
func (e InvalidRange) Error() string {
return fmt.Sprintf("Invalid range start:%d length:%d", e.Start, e.Length)
}
/// Multipart related errors
// InvalidUploadID invalid upload id
type InvalidUploadID struct {
UploadID string
}
func (e InvalidUploadID) Error() string {
return "Invalid upload id " + e.UploadID
}
// InvalidPart One or more of the specified parts could not be found
type InvalidPart struct{}
func (e InvalidPart) Error() string {
return "One or more of the specified parts could not be found"
}
// InvalidPartOrder parts are not ordered as Requested
type InvalidPartOrder struct {
UploadID string
}
func (e InvalidPartOrder) Error() string {
return "Invalid part order sent for " + e.UploadID
}
// MalformedXML invalid xml format
type MalformedXML struct{}
func (e MalformedXML) Error() string {
return "Malformed XML"
}