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mount: fix bound tree with filer.path

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fix https://github.com/chrislusf/seaweedfs/issues/1528
This commit is contained in:
Chris Lu 2020-10-12 21:58:37 -07:00
parent f022aff289
commit b18f21cce1
5 changed files with 19 additions and 9 deletions
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2
weed/Makefile
View file

@ -16,7 +16,7 @@ debug_shell:
debug_mount:
go build -gcflags="all=-N -l"
dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- mount -dir=~/tmp/mm
dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- mount -dir=~/tmp/mm -cacheCapacityMB=0 -filer.path=/buckets
debug_server:
go build -gcflags="all=-N -l"

4
weed/filesys/meta_cache/meta_cache.go
View file

@ -22,10 +22,10 @@ type MetaCache struct {
uidGidMapper *UidGidMapper
}
func NewMetaCache(dbFolder string, uidGidMapper *UidGidMapper) *MetaCache {
func NewMetaCache(dbFolder string, baseDir util.FullPath, uidGidMapper *UidGidMapper) *MetaCache {
return &MetaCache{
localStore: openMetaStore(dbFolder),
visitedBoundary: bounded_tree.NewBoundedTree(),
visitedBoundary: bounded_tree.NewBoundedTree(baseDir),
uidGidMapper: uidGidMapper,
}
}

2
weed/filesys/wfs.go
View file

@ -92,7 +92,7 @@ func NewSeaweedFileSystem(option *Option) *WFS {
wfs.chunkCache = chunk_cache.NewTieredChunkCache(256, cacheDir, option.CacheSizeMB, 1024*1024)
}
wfs.metaCache = meta_cache.NewMetaCache(path.Join(cacheDir, "meta"), option.UidGidMapper)
wfs.metaCache = meta_cache.NewMetaCache(path.Join(cacheDir, "meta"), util.FullPath(option.FilerMountRootPath), option.UidGidMapper)
startTime := time.Now()
go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs.signature, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
grace.OnInterrupt(func() {

16
weed/util/bounded_tree/bounded_tree.go
View file

@ -16,13 +16,15 @@ type Node struct {
type BoundedTree struct {
root *Node
sync.RWMutex
baseDir util.FullPath
}
func NewBoundedTree() *BoundedTree {
func NewBoundedTree(baseDir util.FullPath) *BoundedTree {
return &BoundedTree{
root: &Node{
Name: "/",
},
baseDir: baseDir,
}
}
@ -39,9 +41,12 @@ func (t *BoundedTree) EnsureVisited(p util.FullPath, visitFn VisitNodeFunc) {
if t.root == nil {
return
}
if t.baseDir != "/" {
p = p[len(t.baseDir):]
}
components := p.Split()
// fmt.Printf("components %v %d\n", components, len(components))
if canDelete := t.ensureVisited(t.root, util.FullPath("/"), components, 0, visitFn); canDelete {
if canDelete := t.ensureVisited(t.root, t.baseDir, components, 0, visitFn); canDelete {
t.root = nil
}
}
@ -60,7 +65,12 @@ func (t *BoundedTree) ensureVisited(n *Node, currentPath util.FullPath, componen
} else {
// fmt.Printf("ensure %v\n", currentPath)
children, err := visitFn(currentPath)
filerPath := currentPath
if t.baseDir != "/" {
filerPath = t.baseDir + filerPath
}
children, err := visitFn(filerPath)
if err != nil {
glog.V(0).Infof("failed to visit %s: %v", currentPath, err)
return

4
weed/util/bounded_tree/bounded_tree_test.go
View file

@ -52,7 +52,7 @@ func TestBoundedTree(t *testing.T) {
// g
// h
tree := NewBoundedTree()
tree := NewBoundedTree(util.FullPath("/"))
tree.EnsureVisited(util.FullPath("/a/b/c"), visitFn)
@ -100,7 +100,7 @@ func TestEmptyBoundedTree(t *testing.T) {
// g
// h
tree := NewBoundedTree()
tree := NewBoundedTree(util.FullPath("/"))
visitFn := func(path util.FullPath) (childDirectories []string, err error) {
fmt.Printf(" visit %v ...\n", path)