2016-04-08 19:37:38 +02:00
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/*
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2020-06-13 05:04:01 +02:00
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* MinIO Cloud Storage, (C) 2015-2020 MinIO, Inc.
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2016-04-08 19:37:38 +02:00
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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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2016-08-19 01:23:42 +02:00
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package cmd
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2016-04-08 19:37:38 +02:00
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2020-06-13 05:04:01 +02:00
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import "os"
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2016-05-29 00:13:15 +02:00
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// errUnexpected - unexpected error, requires manual intervention.
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2020-01-15 03:45:17 +01:00
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var errUnexpected = StorageErr("Unexpected error, please report this issue at https://github.com/minio/minio/issues")
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2016-05-29 00:13:15 +02:00
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2016-05-20 11:22:22 +02:00
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// errCorruptedFormat - corrupted backend format.
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2020-01-15 03:45:17 +01:00
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var errCorruptedFormat = StorageErr("corrupted backend format, please join https://slack.min.io for assistance")
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2016-05-20 11:22:22 +02:00
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// errUnformattedDisk - unformatted disk found.
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2020-01-15 03:45:17 +01:00
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var errUnformattedDisk = StorageErr("unformatted disk found")
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2016-05-20 11:22:22 +02:00
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2020-05-08 01:12:16 +02:00
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// errUnsupporteDisk - when disk does not support O_DIRECT flag.
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var errUnsupportedDisk = StorageErr("disk does not support O_DIRECT")
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2016-04-19 11:42:10 +02:00
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// errDiskFull - cannot create volume or files when disk is full.
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2020-01-15 03:45:17 +01:00
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var errDiskFull = StorageErr("disk path full")
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2016-04-08 19:37:38 +02:00
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2020-06-13 05:04:01 +02:00
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// errDiskNotDir - cannot use storage disk if its not a directory
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var errDiskNotDir = StorageErr("disk is not directory or mountpoint")
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2017-08-11 20:38:46 +02:00
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// errDiskNotFound - cannot find the underlying configured disk anymore.
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2020-01-15 03:45:17 +01:00
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var errDiskNotFound = StorageErr("disk not found")
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2016-05-10 03:57:39 +02:00
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2016-11-21 01:57:12 +01:00
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// errFaultyRemoteDisk - remote disk is faulty.
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2020-01-15 03:45:17 +01:00
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var errFaultyRemoteDisk = StorageErr("remote disk is faulty")
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2016-11-21 01:57:12 +01:00
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// errFaultyDisk - disk is faulty.
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2020-01-15 03:45:17 +01:00
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var errFaultyDisk = StorageErr("disk is faulty")
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2016-11-21 01:57:12 +01:00
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2016-07-02 10:59:28 +02:00
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// errDiskAccessDenied - we don't have write permissions on disk.
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2020-01-15 03:45:17 +01:00
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var errDiskAccessDenied = StorageErr("disk access denied")
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2016-07-02 10:59:28 +02:00
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2016-04-08 19:37:38 +02:00
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// errFileNotFound - cannot find the file.
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2020-01-15 03:45:17 +01:00
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var errFileNotFound = StorageErr("file not found")
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2016-04-08 19:37:38 +02:00
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2020-06-13 05:04:01 +02:00
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// errFileNotFound - cannot find requested file version.
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var errFileVersionNotFound = StorageErr("file version not found")
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2019-05-02 16:09:57 +02:00
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// errTooManyOpenFiles - too many open files.
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2020-01-15 03:45:17 +01:00
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var errTooManyOpenFiles = StorageErr("too many open files")
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2019-05-02 16:09:57 +02:00
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2016-05-11 21:55:02 +02:00
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// errFileNameTooLong - given file name is too long than supported length.
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2020-01-15 03:45:17 +01:00
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var errFileNameTooLong = StorageErr("file name too long")
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2016-05-11 21:55:02 +02:00
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2016-04-08 19:37:38 +02:00
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// errVolumeExists - cannot create same volume again.
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2020-01-15 03:45:17 +01:00
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var errVolumeExists = StorageErr("volume already exists")
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2016-04-08 19:37:38 +02:00
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2016-04-24 09:36:00 +02:00
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// errIsNotRegular - not of regular file type.
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2020-01-15 03:45:17 +01:00
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var errIsNotRegular = StorageErr("not of regular file type")
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2016-04-08 19:37:38 +02:00
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// errVolumeNotFound - cannot find the volume.
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2020-01-15 03:45:17 +01:00
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var errVolumeNotFound = StorageErr("volume not found")
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2016-04-13 20:32:47 +02:00
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2016-04-16 21:48:41 +02:00
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// errVolumeNotEmpty - volume not empty.
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2020-01-15 03:45:17 +01:00
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var errVolumeNotEmpty = StorageErr("volume is not empty")
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2016-04-16 21:48:41 +02:00
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2016-06-03 01:34:15 +02:00
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// errVolumeAccessDenied - cannot access volume, insufficient permissions.
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2020-01-15 03:45:17 +01:00
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var errVolumeAccessDenied = StorageErr("volume access denied")
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2016-04-13 20:32:47 +02:00
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2019-03-20 21:06:53 +01:00
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// errFileAccessDenied - cannot access file, insufficient permissions.
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2020-01-15 03:45:17 +01:00
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var errFileAccessDenied = StorageErr("file access denied")
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2017-05-16 23:21:52 +02:00
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2019-10-01 22:12:15 +02:00
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// errFileCorrupt - file has an unexpected size, or is not readable
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2020-01-15 03:45:17 +01:00
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var errFileCorrupt = StorageErr("file is corrupted")
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2019-07-13 01:29:44 +02:00
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2019-03-20 21:06:53 +01:00
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// errFileParentIsFile - cannot have overlapping objects, parent is already a file.
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2020-01-15 03:45:17 +01:00
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var errFileParentIsFile = StorageErr("parent is a file")
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2019-03-20 21:06:53 +01:00
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2017-05-16 23:21:52 +02:00
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// errBitrotHashAlgoInvalid - the algo for bit-rot hash
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// verification is empty or invalid.
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2020-01-15 03:45:17 +01:00
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var errBitrotHashAlgoInvalid = StorageErr("bit-rot hash algorithm is invalid")
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2017-05-16 23:21:52 +02:00
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2017-08-16 00:10:50 +02:00
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// errCrossDeviceLink - rename across devices not allowed.
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2020-01-15 03:45:17 +01:00
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var errCrossDeviceLink = StorageErr("Rename across devices not allowed, please fix your backend configuration")
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2017-08-16 00:10:50 +02:00
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2018-06-28 21:01:05 +02:00
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// errMinDiskSize - cannot create volume or files when disk size is less than threshold.
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2020-05-08 01:12:16 +02:00
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var errMinDiskSize = StorageErr("The disk size is less than 900MiB threshold")
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2018-06-28 21:01:05 +02:00
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2018-08-07 00:14:08 +02:00
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// errLessData - returned when less data available than what was requested.
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2020-01-15 03:45:17 +01:00
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var errLessData = StorageErr("less data available than what was requested")
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2018-08-07 00:14:08 +02:00
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2019-01-17 13:58:18 +01:00
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// errMoreData = returned when more data was sent by the caller than what it was supposed to.
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2020-01-15 03:45:17 +01:00
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var errMoreData = StorageErr("more data was sent than what was advertised")
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2019-01-17 13:58:18 +01:00
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2020-06-13 05:04:01 +02:00
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// StorageErr represents error generated by xlStorage call.
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2020-01-15 03:45:17 +01:00
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type StorageErr string
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2017-05-16 23:21:52 +02:00
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2020-01-15 03:45:17 +01:00
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func (h StorageErr) Error() string {
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2019-10-01 22:12:15 +02:00
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return string(h)
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2017-05-16 23:21:52 +02:00
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}
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2017-11-25 20:58:29 +01:00
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// Collection of basic errors.
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var baseErrs = []error{
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errDiskNotFound,
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errFaultyDisk,
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errFaultyRemoteDisk,
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}
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var baseIgnoredErrs = baseErrs
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2020-06-13 05:04:01 +02:00
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// Is a one place function which converts all os.PathError
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// into a more FS object layer friendly form, converts
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// known errors into their typed form for top level
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// interpretation.
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func osErrToFileErr(err error) error {
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if err == nil {
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return nil
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}
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if os.IsNotExist(err) {
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return errFileNotFound
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}
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if os.IsPermission(err) {
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return errFileAccessDenied
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}
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if isSysErrNotDir(err) {
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return errFileNotFound
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}
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if isSysErrPathNotFound(err) {
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return errFileNotFound
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}
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if isSysErrTooManyFiles(err) {
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return errTooManyOpenFiles
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}
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if isSysErrHandleInvalid(err) {
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return errFileNotFound
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}
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return err
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}
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