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worm grace period and retention time support (#6404)

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Signed-off-by: lou <alex1988@outlook.com>
This commit is contained in:
Guang Jiong Lou
2025-01-01 10:41:43 +08:00
committed by GitHub
parent 0e8e6122d5
commit 3b1ac77e1f
14 changed files with 831 additions and 707 deletions
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29
weed/mount/weedfs_attr.go
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@@ -1,13 +1,14 @@
package mount
import (
"os"
"syscall"
"time"
"github.com/hanwen/go-fuse/v2/fuse"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"os"
"syscall"
"time"
)
func (wfs *WFS) GetAttr(cancel <-chan struct{}, input *fuse.GetAttrIn, out *fuse.AttrOut) (code fuse.Status) {
@@ -42,7 +43,7 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
}
path, fh, entry, status := wfs.maybeReadEntry(input.NodeId)
if status != fuse.OK {
if status != fuse.OK || entry == nil {
return status
}
if fh != nil {
@@ -50,7 +51,12 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
defer fh.entryLock.Unlock()
}
if size, ok := input.GetSize(); ok && entry != nil {
wormEnforced, wormEnabled := wfs.wormEnforcedForEntry(path, entry)
if wormEnforced {
return fuse.EPERM
}
if size, ok := input.GetSize(); ok {
glog.V(4).Infof("%v setattr set size=%v chunks=%d", path, size, len(entry.GetChunks()))
if size < filer.FileSize(entry) {
// fmt.Printf("truncate %v \n", fullPath)
@@ -85,6 +91,11 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
}
if mode, ok := input.GetMode(); ok {
// commit the file to worm when it is set to readonly at the first time
if entry.WormEnforcedAtTsNs == 0 && wormEnabled && !hasWritePermission(mode) {
entry.WormEnforcedAtTsNs = time.Now().UnixNano()
}
// glog.V(4).Infof("setAttr mode %o", mode)
entry.Attributes.FileMode = chmod(entry.Attributes.FileMode, mode)
if input.NodeId == 1 {
@@ -216,6 +227,14 @@ func chmod(existing uint32, mode uint32) uint32 {
return existing&^07777 | mode&07777
}
const ownerWrite = 0o200
const groupWrite = 0o020
const otherWrite = 0o002
func hasWritePermission(mode uint32) bool {
return (mode&ownerWrite != 0) || (mode&groupWrite != 0) || (mode&otherWrite != 0)
}
func toSyscallMode(mode os.FileMode) uint32 {
return toSyscallType(mode) | uint32(mode)
}