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fuse: Add tags dir
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parent
64f434eca4
commit
4b4a63ed44
@ -32,6 +32,7 @@ type Root struct {
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dirSnapshots *SnapshotsDir
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dirSnapshots *SnapshotsDir
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dirHosts *HostsDir
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dirHosts *HostsDir
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dirTags *TagsDir
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}
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}
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// ensure that *Root implements these interfaces
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// ensure that *Root implements these interfaces
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@ -54,6 +55,7 @@ func NewRoot(ctx context.Context, repo restic.Repository, cfg Config) (*Root, er
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root.dirSnapshots = NewSnapshotsDir(root, fs.GenerateDynamicInode(root.inode, "snapshots"), snapshots)
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root.dirSnapshots = NewSnapshotsDir(root, fs.GenerateDynamicInode(root.inode, "snapshots"), snapshots)
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root.dirHosts = NewHostsDir(root, fs.GenerateDynamicInode(root.inode, "hosts"), snapshots)
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root.dirHosts = NewHostsDir(root, fs.GenerateDynamicInode(root.inode, "hosts"), snapshots)
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root.dirTags = NewTagsDir(root, fs.GenerateDynamicInode(root.inode, "tags"), snapshots)
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root.blobSizeCache = NewBlobSizeCache(ctx, repo.Index())
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root.blobSizeCache = NewBlobSizeCache(ctx, repo.Index())
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return root, nil
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return root, nil
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@ -98,10 +100,15 @@ func (r *Root) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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Type: fuse.DT_Dir,
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Type: fuse.DT_Dir,
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},
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},
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{
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{
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Inode: fs.GenerateDynamicInode(0, "hosts"),
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Inode: fs.GenerateDynamicInode(r.inode, "hosts"),
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Name: "hosts",
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Name: "hosts",
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Type: fuse.DT_Dir,
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Type: fuse.DT_Dir,
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},
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},
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{
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Inode: fs.GenerateDynamicInode(r.inode, "tags"),
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Name: "tags",
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Type: fuse.DT_Dir,
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},
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}
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}
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return items, nil
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return items, nil
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@ -115,6 +122,8 @@ func (r *Root) Lookup(ctx context.Context, name string) (fs.Node, error) {
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return r.dirSnapshots, nil
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return r.dirSnapshots, nil
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case "hosts":
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case "hosts":
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return r.dirHosts, nil
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return r.dirHosts, nil
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case "tags":
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return r.dirTags, nil
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}
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}
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return nil, fuse.ENOENT
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return nil, fuse.ENOENT
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101
src/restic/fuse/tags_dir.go
Normal file
101
src/restic/fuse/tags_dir.go
Normal file
@ -0,0 +1,101 @@
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// +build !openbsd
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// +build !windows
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package fuse
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import (
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"os"
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"restic"
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"restic/debug"
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"golang.org/x/net/context"
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"bazil.org/fuse"
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"bazil.org/fuse/fs"
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)
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// TagsDir is a fuse directory which contains hostnames.
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type TagsDir struct {
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inode uint64
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root *Root
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snapshots restic.Snapshots
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tags map[string]*SnapshotsDir
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}
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// NewTagsDir returns a new directory containing tags, which in turn contains
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// snapshots with this tag set.
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func NewTagsDir(root *Root, inode uint64, snapshots restic.Snapshots) *TagsDir {
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tags := make(map[string]restic.Snapshots)
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for _, sn := range snapshots {
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for _, tag := range sn.Tags {
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tags[tag] = append(tags[tag], sn)
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}
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}
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debug.Log("create tags dir with %d snapshots, inode %d", len(tags), inode)
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d := &TagsDir{
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root: root,
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inode: inode,
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snapshots: snapshots,
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tags: make(map[string]*SnapshotsDir),
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}
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for name, snapshots := range tags {
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debug.Log(" tag %v has %v snapshots", name, len(snapshots))
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d.tags[name] = NewSnapshotsDir(root, fs.GenerateDynamicInode(inode, name), snapshots)
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}
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return d
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}
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// Attr returns the attributes for the root node.
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func (d *TagsDir) Attr(ctx context.Context, attr *fuse.Attr) error {
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attr.Inode = d.inode
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attr.Mode = os.ModeDir | 0555
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if !d.root.cfg.OwnerIsRoot {
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attr.Uid = uint32(os.Getuid())
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attr.Gid = uint32(os.Getgid())
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}
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debug.Log("attr: %v", attr)
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return nil
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}
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// ReadDirAll returns all entries of the root node.
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func (d *TagsDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
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debug.Log("ReadDirAll()")
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items := []fuse.Dirent{
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{
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Inode: d.inode,
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Name: ".",
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Type: fuse.DT_Dir,
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},
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{
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Inode: d.root.inode,
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Name: "..",
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Type: fuse.DT_Dir,
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},
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}
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for name := range d.tags {
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items = append(items, fuse.Dirent{
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Inode: fs.GenerateDynamicInode(d.inode, name),
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Name: name,
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Type: fuse.DT_Dir,
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})
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}
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return items, nil
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}
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// Lookup returns a specific entry from the root node.
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func (d *TagsDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
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debug.Log("Lookup(%s)", name)
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if dir, ok := d.tags[name]; ok {
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return dir, nil
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}
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return nil, fuse.ENOENT
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}
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