import (
"log"
+ "os"
"strings"
+ "time"
)
func (fs *customFileSystem) defaultUUID(uuid string) (string, error) {
return resp.UUID, nil
}
+// The groups content endpoint returns Collection and Group (project)
+// objects. This struct lets us load the common Items fields for both
+// types (UUID, Name, ModifiedAt, and Properties), and GroupClass for
+// groups, into one struct.
+type groupContentsResponse struct {
+ Items []struct {
+ UUID string `json:"uuid"`
+ Name string `json:"name"`
+ ModifiedAt time.Time `json:"modified_at"`
+ GroupClass string `json:"group_class"`
+ Properties map[string]interface{} `json:"properties"`
+ }
+}
+
// loadOneChild loads only the named child, if it exists.
func (fs *customFileSystem) projectsLoadOne(parent inode, uuid, name string) (inode, error) {
uuid, err := fs.defaultUUID(uuid)
return nil, err
}
- var contents CollectionList
+ var resp groupContentsResponse
for _, subst := range []string{"/", fs.forwardSlashNameSubstitution} {
- contents = CollectionList{}
- err = fs.RequestAndDecode(&contents, "GET", "arvados/v1/groups/"+uuid+"/contents", nil, ResourceListParams{
+ resp = groupContentsResponse{}
+ err = fs.RequestAndDecode(&resp, "GET", "arvados/v1/groups/"+uuid+"/contents", nil, ResourceListParams{
Count: "none",
Filters: []Filter{
{"name", "=", strings.Replace(name, subst, "/", -1)},
{"uuid", "is_a", []string{"arvados#collection", "arvados#group"}},
- {"groups.group_class", "=", "project"},
+ {"groups.group_class", "in", []string{"project", "filter"}},
},
+ Select: []string{"uuid", "name", "modified_at", "properties", "group_class"},
})
if err != nil {
return nil, err
}
- if len(contents.Items) > 0 || fs.forwardSlashNameSubstitution == "/" || fs.forwardSlashNameSubstitution == "" || !strings.Contains(name, fs.forwardSlashNameSubstitution) {
+ if len(resp.Items) > 0 || fs.forwardSlashNameSubstitution == "/" || fs.forwardSlashNameSubstitution == "" || !strings.Contains(name, fs.forwardSlashNameSubstitution) {
break
}
// If the requested name contains the configured "/"
// Note this doesn't handle items whose names contain
// both "/" and the substitution string.
}
- if len(contents.Items) == 0 {
+ if len(resp.Items) == 0 {
return nil, nil
}
- coll := contents.Items[0]
-
- if strings.Contains(coll.UUID, "-j7d0g-") {
- // Group item was loaded into a Collection var -- but
- // we only need the Name and UUID anyway, so it's OK.
- return fs.newProjectNode(parent, coll.Name, coll.UUID), nil
- } else if strings.Contains(coll.UUID, "-4zz18-") {
- return deferredCollectionFS(fs, parent, coll), nil
+ item := resp.Items[0]
+ isGroup := strings.Contains(item.UUID, "-j7d0g-")
+ if strings.Contains(item.UUID, "-4zz18-") {
+ return fs.newDeferredCollectionDir(parent, name, item.UUID, item.ModifiedAt, item.Properties), nil
+ } else if isGroup && item.GroupClass == "filter" {
+ return fs.newCollectionOrProjectSymlink(parent, name, item.UUID, item.ModifiedAt, item.Properties)
+ } else if isGroup && item.GroupClass == "project" {
+ return &hardlink{
+ inode: fs.projectSingleton(item.UUID, &Group{
+ UUID: item.UUID,
+ Name: item.Name,
+ ModifiedAt: item.ModifiedAt,
+ Properties: item.Properties,
+ }),
+ parent: parent,
+ name: item.Name,
+ }, nil
} else {
- log.Printf("projectnode: unrecognized UUID in response: %q", coll.UUID)
+ log.Printf("group contents: unrecognized UUID in response: %q", item.UUID)
return nil, ErrInvalidArgument
}
}
return nil, err
}
+ pagesize := 100000
var inodes []inode
- // Note: the "filters" slice's backing array might be reused
- // by append(filters,...) below. This isn't goroutine safe,
- // but all accesses are in the same goroutine, so it's OK.
- filters := []Filter{{"owner_uuid", "=", uuid}}
- params := ResourceListParams{
- Count: "none",
- Filters: filters,
- Order: "uuid",
- }
- for {
- var resp CollectionList
- err = fs.RequestAndDecode(&resp, "GET", "arvados/v1/collections", nil, params)
- if err != nil {
- return nil, err
- }
- if len(resp.Items) == 0 {
- break
+ // When #17424 is resolved, remove the outer loop here and use
+ // []string{"arvados#collection", "arvados#group"} directly as the uuid
+ // filter.
+ for _, class := range []string{"arvados#collection", "arvados#group"} {
+ // Note: the "filters" slice's backing array might be reused
+ // by append(filters,...) below. This isn't goroutine safe,
+ // but all accesses are in the same goroutine, so it's OK.
+ filters := []Filter{
+ {"uuid", "is_a", class},
}
- for _, i := range resp.Items {
- coll := i
- if fs.forwardSlashNameSubstitution != "" {
- coll.Name = strings.Replace(coll.Name, "/", fs.forwardSlashNameSubstitution, -1)
- }
- if !permittedName(coll.Name) {
- continue
- }
- inodes = append(inodes, deferredCollectionFS(fs, parent, coll))
+ if class == "arvados#group" {
+ filters = append(filters, Filter{"groups.group_class", "in", []string{"project", "filter"}})
}
- params.Filters = append(filters, Filter{"uuid", ">", resp.Items[len(resp.Items)-1].UUID})
- }
- filters = append(filters, Filter{"group_class", "=", "project"})
- params.Filters = filters
- for {
- var resp GroupList
- err = fs.RequestAndDecode(&resp, "GET", "arvados/v1/groups", nil, params)
- if err != nil {
- return nil, err
- }
- if len(resp.Items) == 0 {
- break
+ params := ResourceListParams{
+ Count: "none",
+ Filters: filters,
+ Order: "uuid",
+ Select: []string{"uuid", "name", "modified_at", "properties", "group_class"},
+ Limit: &pagesize,
}
- for _, group := range resp.Items {
- if fs.forwardSlashNameSubstitution != "" {
- group.Name = strings.Replace(group.Name, "/", fs.forwardSlashNameSubstitution, -1)
+
+ for {
+ var resp groupContentsResponse
+ err = fs.RequestAndDecode(&resp, "GET", "arvados/v1/groups/"+uuid+"/contents", nil, params)
+ if err != nil {
+ return nil, err
+ }
+ if len(resp.Items) == 0 {
+ break
}
- if !permittedName(group.Name) {
- continue
+ for _, i := range resp.Items {
+ if fs.forwardSlashNameSubstitution != "" {
+ i.Name = strings.Replace(i.Name, "/", fs.forwardSlashNameSubstitution, -1)
+ }
+ if !permittedName(i.Name) {
+ continue
+ }
+ isGroup := strings.Contains(i.UUID, "-j7d0g-")
+ if strings.Contains(i.UUID, "-4zz18-") {
+ inodes = append(inodes, fs.newDeferredCollectionDir(parent, i.Name, i.UUID, i.ModifiedAt, i.Properties))
+ } else if isGroup && i.GroupClass == "filter" {
+ inode, err := fs.newCollectionOrProjectSymlink(parent, i.Name, i.UUID, i.ModifiedAt, i.Properties)
+ if err != nil {
+ return nil, err
+ }
+ if inode != nil {
+ inodes = append(inodes, inode)
+ }
+ } else if isGroup && i.GroupClass == "project" {
+ inodes = append(inodes, fs.newProjectDir(parent, i.Name, i.UUID, &Group{
+ UUID: i.UUID,
+ Name: i.Name,
+ ModifiedAt: i.ModifiedAt,
+ Properties: i.Properties,
+ }))
+ } else {
+ log.Printf("group contents: unrecognized UUID in response: %q", i.UUID)
+ return nil, ErrInvalidArgument
+ }
}
- inodes = append(inodes, fs.newProjectNode(parent, group.Name, group.UUID))
+ params.Filters = append(filters, Filter{"uuid", ">", resp.Items[len(resp.Items)-1].UUID})
}
- params.Filters = append(filters, Filter{"uuid", ">", resp.Items[len(resp.Items)-1].UUID})
}
return inodes, nil
}
+
+// create a symlink to the given collection or project. If it's not
+// possible to create a symlink because the filesystem does not have a
+// "by_id" mount point to put the target in, return (nil, nil).
+func (fs *customFileSystem) newCollectionOrProjectSymlink(parent inode, name, targetUUID string, modTime time.Time, props map[string]interface{}) (inode, error) {
+ fs.root.treenode.Lock()
+ byIDPath := fs.byIDPath
+ fs.root.treenode.Unlock()
+ if byIDPath == "" {
+ return nil, nil
+ }
+ targetPath := []byte("/" + byIDPath + "/" + targetUUID)
+ return &getternode{
+ Getter: func() ([]byte, error) { return targetPath, nil },
+ treenode: treenode{
+ fileinfo: fileinfo{
+ name: name,
+ modTime: modTime,
+ mode: os.ModeSymlink,
+ },
+ },
+ }, nil
+}
+
+func (fs *customFileSystem) newProjectDir(parent inode, name, uuid string, proj *Group) inode {
+ return &hardlink{inode: fs.projectSingleton(uuid, proj), parent: parent, name: name}
+}
+
+func (fs *customFileSystem) newDeferredCollectionDir(parent inode, name, uuid string, modTime time.Time, props map[string]interface{}) inode {
+ if modTime.IsZero() {
+ modTime = time.Now()
+ }
+ placeholder := &treenode{
+ fs: fs,
+ parent: parent,
+ inodes: nil,
+ fileinfo: fileinfo{
+ name: name,
+ modTime: modTime,
+ mode: 0755 | os.ModeDir,
+ sys: func() interface{} { return &Collection{UUID: uuid, Name: name, ModifiedAt: modTime, Properties: props} },
+ },
+ }
+ return &deferrednode{wrapped: placeholder, create: func() inode {
+ node, err := fs.collectionSingleton(uuid)
+ if err != nil {
+ log.Printf("BUG: unhandled error: %s", err)
+ return placeholder
+ }
+ return &hardlink{inode: node, parent: parent, name: name}
+ }}
+}