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mount: map uid/gid between local and filer

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This commit is contained in:
Chris Lu
2020-09-03 00:07:22 -07:00
parent 68e878adb5
commit 7e1aad0b54
10 changed files with 154 additions and 5 deletions
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12
weed/filesys/meta_cache/meta_cache.go
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@@ -20,12 +20,14 @@ type MetaCache struct {
actualStore filer.FilerStore
sync.RWMutex
visitedBoundary *bounded_tree.BoundedTree
uidGidMapper *UidGidMapper
}
func NewMetaCache(dbFolder string) *MetaCache {
func NewMetaCache(dbFolder string, uidGidMapper *UidGidMapper) *MetaCache {
return &MetaCache{
actualStore: openMetaStore(dbFolder),
visitedBoundary: bounded_tree.NewBoundedTree(),
uidGidMapper: uidGidMapper,
}
}
@@ -58,7 +60,7 @@ func (mc *MetaCache) doInsertEntry(ctx context.Context, entry *filer.Entry) erro
return mc.actualStore.InsertEntry(ctx, entry)
}
func (mc *MetaCache) AtomicUpdateEntry(ctx context.Context, oldPath util.FullPath, newEntry *filer.Entry) error {
func (mc *MetaCache) AtomicUpdateEntryFromFiler(ctx context.Context, oldPath util.FullPath, newEntry *filer.Entry) error {
mc.Lock()
defer mc.Unlock()
@@ -103,6 +105,7 @@ func (mc *MetaCache) FindEntry(ctx context.Context, fp util.FullPath) (entry *fi
if err != nil {
return nil, err
}
mc.mapIdFromFilerToLocal(entry)
filer_pb.AfterEntryDeserialization(entry.Chunks)
return
}
@@ -122,6 +125,7 @@ func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.Full
return nil, err
}
for _, entry := range entries {
mc.mapIdFromFilerToLocal(entry)
filer_pb.AfterEntryDeserialization(entry.Chunks)
}
return entries, err
@@ -132,3 +136,7 @@ func (mc *MetaCache) Shutdown() {
defer mc.Unlock()
mc.actualStore.Shutdown()
}
func (mc *MetaCache) mapIdFromFilerToLocal(entry *filer.Entry) {
entry.Attr.Uid, entry.Attr.Gid = mc.uidGidMapper.FilerToLocal(entry.Attr.Uid, entry.Attr.Gid)
}