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403 lines
11 KiB
403 lines
11 KiB
/*
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* Minio Cloud Storage, (C) 2015, 2016, 2017, 2018 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"io"
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)
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// Converts underlying storage error. Convenience function written to
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// handle all cases where we have known types of errors returned by
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// underlying storage layer.
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func toObjectErr(err error, params ...string) error {
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switch err {
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case errVolumeNotFound:
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if len(params) >= 1 {
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err = BucketNotFound{Bucket: params[0]}
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}
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case errVolumeNotEmpty:
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if len(params) >= 1 {
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err = BucketNotEmpty{Bucket: params[0]}
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}
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case errVolumeExists:
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if len(params) >= 1 {
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err = BucketExists{Bucket: params[0]}
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}
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case errDiskFull:
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err = StorageFull{}
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case errFileAccessDenied:
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if len(params) >= 2 {
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err = PrefixAccessDenied{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errIsNotRegular, errFileAccessDenied:
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if len(params) >= 2 {
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err = ObjectExistsAsDirectory{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errFileNotFound:
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if len(params) >= 2 {
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err = ObjectNotFound{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errFileNameTooLong:
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if len(params) >= 2 {
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err = ObjectNameInvalid{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errDataTooLarge:
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if len(params) >= 2 {
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err = ObjectTooLarge{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errDataTooSmall:
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if len(params) >= 2 {
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err = ObjectTooSmall{
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Bucket: params[0],
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Object: params[1],
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}
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}
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case errXLReadQuorum:
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err = InsufficientReadQuorum{}
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case errXLWriteQuorum:
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err = InsufficientWriteQuorum{}
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case io.ErrUnexpectedEOF, io.ErrShortWrite:
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err = IncompleteBody{}
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}
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return err
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}
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// SignatureDoesNotMatch - when content md5 does not match with what was sent from client.
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type SignatureDoesNotMatch struct{}
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func (e SignatureDoesNotMatch) Error() string {
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return "The request signature we calculated does not match the signature you provided. Check your key and signing method."
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}
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// StorageFull storage ran out of space.
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type StorageFull struct{}
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func (e StorageFull) Error() string {
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return "Storage reached its minimum free disk threshold."
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}
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// InsufficientReadQuorum storage cannot satisfy quorum for read operation.
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type InsufficientReadQuorum struct{}
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func (e InsufficientReadQuorum) Error() string {
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return "Storage resources are insufficient for the read operation."
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}
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// InsufficientWriteQuorum storage cannot satisfy quorum for write operation.
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type InsufficientWriteQuorum struct{}
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func (e InsufficientWriteQuorum) Error() string {
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return "Storage resources are insufficient for the write operation."
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}
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// GenericError - generic object layer error.
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type GenericError struct {
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Bucket string
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Object string
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}
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// BucketNotFound bucket does not exist.
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type BucketNotFound GenericError
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func (e BucketNotFound) Error() string {
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return "Bucket not found: " + e.Bucket
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}
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// BucketAlreadyExists the requested bucket name is not available.
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type BucketAlreadyExists GenericError
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func (e BucketAlreadyExists) Error() string {
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return "The requested bucket name is not available. The bucket namespace is shared by all users of the system. Please select a different name and try again."
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}
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// BucketAlreadyOwnedByYou already owned by you.
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type BucketAlreadyOwnedByYou GenericError
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func (e BucketAlreadyOwnedByYou) Error() string {
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return "Bucket already owned by you: " + e.Bucket
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}
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// BucketNotEmpty bucket is not empty.
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type BucketNotEmpty GenericError
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func (e BucketNotEmpty) Error() string {
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return "Bucket not empty: " + e.Bucket
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}
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// ObjectNotFound object does not exist.
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type ObjectNotFound GenericError
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func (e ObjectNotFound) Error() string {
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return "Object not found: " + e.Bucket + "#" + e.Object
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}
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// ObjectAlreadyExists object already exists.
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type ObjectAlreadyExists GenericError
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func (e ObjectAlreadyExists) Error() string {
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return "Object: " + e.Bucket + "#" + e.Object + " already exists"
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}
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// ObjectExistsAsDirectory object already exists as a directory.
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type ObjectExistsAsDirectory GenericError
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func (e ObjectExistsAsDirectory) Error() string {
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return "Object exists on : " + e.Bucket + " as directory " + e.Object
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}
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//PrefixAccessDenied object access is denied.
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type PrefixAccessDenied GenericError
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func (e PrefixAccessDenied) Error() string {
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return "Prefix access is denied: " + e.Bucket + "/" + e.Object
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}
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// BucketExists bucket exists.
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type BucketExists GenericError
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func (e BucketExists) Error() string {
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return "Bucket exists: " + e.Bucket
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}
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// UnsupportedDelimiter - unsupported delimiter.
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type UnsupportedDelimiter struct {
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Delimiter string
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}
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func (e UnsupportedDelimiter) Error() string {
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return fmt.Sprintf("delimiter '%s' is not supported. Only '/' is supported", e.Delimiter)
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}
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// InvalidUploadIDKeyCombination - invalid upload id and key marker combination.
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type InvalidUploadIDKeyCombination struct {
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UploadIDMarker, KeyMarker string
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}
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func (e InvalidUploadIDKeyCombination) Error() string {
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return fmt.Sprintf("Invalid combination of uploadID marker '%s' and marker '%s'", e.UploadIDMarker, e.KeyMarker)
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}
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// InvalidMarkerPrefixCombination - invalid marker and prefix combination.
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type InvalidMarkerPrefixCombination struct {
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Marker, Prefix string
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}
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func (e InvalidMarkerPrefixCombination) Error() string {
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return fmt.Sprintf("Invalid combination of marker '%s' and prefix '%s'", e.Marker, e.Prefix)
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}
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// BucketPolicyNotFound - no bucket policy found.
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type BucketPolicyNotFound GenericError
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func (e BucketPolicyNotFound) Error() string {
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return "No bucket policy found for bucket: " + e.Bucket
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}
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/// Bucket related errors.
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// BucketNameInvalid - bucketname provided is invalid.
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type BucketNameInvalid GenericError
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// Return string an error formatted as the given text.
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func (e BucketNameInvalid) Error() string {
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return "Bucket name invalid: " + e.Bucket
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}
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/// Object related errors.
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// ObjectNameInvalid - object name provided is invalid.
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type ObjectNameInvalid GenericError
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// Return string an error formatted as the given text.
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func (e ObjectNameInvalid) Error() string {
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return "Object name invalid: " + e.Bucket + "#" + e.Object
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}
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// AllAccessDisabled All access to this object has been disabled
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type AllAccessDisabled GenericError
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// Return string an error formatted as the given text.
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func (e AllAccessDisabled) Error() string {
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return "All access to this object has been disabled"
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}
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// IncompleteBody You did not provide the number of bytes specified by the Content-Length HTTP header.
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type IncompleteBody GenericError
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// Return string an error formatted as the given text.
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func (e IncompleteBody) Error() string {
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return e.Bucket + "#" + e.Object + "has incomplete body"
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}
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// InvalidRange - invalid range typed error.
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type InvalidRange struct {
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OffsetBegin int64
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OffsetEnd int64
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ResourceSize int64
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}
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func (e InvalidRange) Error() string {
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return fmt.Sprintf("The requested range \"bytes %d-%d/%d\" is not satisfiable.", e.OffsetBegin, e.OffsetEnd, e.ResourceSize)
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}
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// ObjectTooLarge error returned when the size of the object > max object size allowed (5G) per request.
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type ObjectTooLarge GenericError
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func (e ObjectTooLarge) Error() string {
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return "size of the object greater than what is allowed(5G)"
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}
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// ObjectTooSmall error returned when the size of the object < what is expected.
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type ObjectTooSmall GenericError
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func (e ObjectTooSmall) Error() string {
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return "size of the object less than what is expected"
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}
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// OperationTimedOut - a timeout occurred.
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type OperationTimedOut struct {
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Path string
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}
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func (e OperationTimedOut) Error() string {
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return "Operation timed out: " + e.Path
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}
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/// Multipart related errors.
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// MalformedUploadID malformed upload id.
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type MalformedUploadID struct {
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UploadID string
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}
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func (e MalformedUploadID) Error() string {
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return "Malformed upload id " + e.UploadID
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}
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// InvalidUploadID invalid upload id.
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type InvalidUploadID struct {
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UploadID string
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}
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func (e InvalidUploadID) Error() string {
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return "Invalid upload id " + e.UploadID
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}
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// InvalidPart One or more of the specified parts could not be found
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type InvalidPart struct {
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PartNumber int
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ExpETag string
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GotETag string
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}
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func (e InvalidPart) Error() string {
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return fmt.Sprintf("Specified part could not be found. PartNumber %d, Expected %s, got %s",
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e.PartNumber, e.ExpETag, e.GotETag)
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}
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// PartTooSmall - error if part size is less than 5MB.
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type PartTooSmall struct {
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PartSize int64
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PartNumber int
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PartETag string
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}
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func (e PartTooSmall) Error() string {
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return fmt.Sprintf("Part size for %d should be at least 5MB", e.PartNumber)
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}
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// PartTooBig returned if size of part is bigger than the allowed limit.
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type PartTooBig struct{}
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func (e PartTooBig) Error() string {
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return "Part size bigger than the allowed limit"
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}
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// InvalidETag error returned when the etag has changed on disk
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type InvalidETag struct{}
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func (e InvalidETag) Error() string {
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return "etag of the object has changed"
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}
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// NotImplemented If a feature is not implemented
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type NotImplemented struct{}
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func (e NotImplemented) Error() string {
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return "Not Implemented"
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}
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// PolicyNesting - policy nesting conflict.
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type PolicyNesting struct{}
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func (e PolicyNesting) Error() string {
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return "New bucket policy conflicts with an existing policy. Please try again with new prefix."
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}
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// UnsupportedMetadata - unsupported metadata
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type UnsupportedMetadata struct{}
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func (e UnsupportedMetadata) Error() string {
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return "Unsupported headers in Metadata"
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}
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// BackendDown is returned for network errors or if the gateway's backend is down.
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type BackendDown struct{}
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func (e BackendDown) Error() string {
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return "Backend down"
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}
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// isErrIncompleteBody - Check if error type is IncompleteBody.
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func isErrIncompleteBody(err error) bool {
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_, ok := err.(IncompleteBody)
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return ok
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}
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// isErrObjectNotFound - Check if error type is ObjectNotFound.
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func isErrObjectNotFound(err error) bool {
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_, ok := err.(ObjectNotFound)
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return ok
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}
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// isInsufficientReadQuorum - Check if error type is InsufficientReadQuorum.
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func isInsufficientReadQuorum(err error) bool {
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_, ok := err.(InsufficientReadQuorum)
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return ok
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}
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// isInsufficientWriteQuorum - Check if error type is InsufficientWriteQuorum.
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func isInsufficientWriteQuorum(err error) bool {
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_, ok := err.(InsufficientWriteQuorum)
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return ok
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}
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