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https://github.com/versity/versitygw.git
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1eeb7de0b6
This adds the same versioning dir option that is found in the posix backend to scoutfs backend. Functionality is the same.
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
// Copyright 2023 Versity Software
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// This file is licensed under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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//go:build linux && amd64
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package scoutfs
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import (
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"fmt"
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"os"
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"github.com/versity/scoutfs-go"
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"github.com/versity/versitygw/backend/meta"
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"github.com/versity/versitygw/backend/posix"
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"github.com/versity/versitygw/s3api/debuglogger"
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)
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func New(rootdir string, opts ScoutfsOpts) (*ScoutFS, error) {
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metastore := meta.XattrMeta{}
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p, err := posix.New(rootdir, metastore, posix.PosixOpts{
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ChownUID: opts.ChownUID,
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ChownGID: opts.ChownGID,
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BucketLinks: opts.BucketLinks,
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NewDirPerm: opts.NewDirPerm,
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VersioningDir: opts.VersioningDir,
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})
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if err != nil {
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return nil, err
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}
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f, err := os.Open(rootdir)
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if err != nil {
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return nil, fmt.Errorf("open %v: %w", rootdir, err)
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}
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return &ScoutFS{
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Posix: p,
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rootfd: f,
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rootdir: rootdir,
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glaciermode: opts.GlacierMode,
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disableNoArchive: opts.DisableNoArchive,
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}, nil
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}
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func moveData(from *os.File, to *os.File) error {
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// May fail if the files are not 4K aligned; check for alignment
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ffi, err := from.Stat()
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if err != nil {
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return fmt.Errorf("stat from: %v", err)
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}
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tfi, err := to.Stat()
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if err != nil {
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return fmt.Errorf("stat to: %v", err)
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}
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if ffi.Size()%4096 != 0 || tfi.Size()%4096 != 0 {
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return os.ErrInvalid
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}
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//
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err = scoutfs.MoveData(from, to)
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if err != nil {
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debuglogger.Logf("ScoutFs MoveData failed: %v", err)
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}
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return err
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}
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func statMore(path string) (stat, error) {
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st, err := scoutfs.StatMore(path)
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if err != nil {
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return stat{}, err
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}
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var s stat
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s.Meta_seq = st.Meta_seq
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s.Data_seq = st.Data_seq
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s.Data_version = st.Data_version
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s.Online_blocks = st.Online_blocks
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s.Offline_blocks = st.Offline_blocks
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s.Crtime_sec = st.Crtime_sec
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s.Crtime_nsec = st.Crtime_nsec
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return s, nil
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}
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