17119: make customFileSystem use the group contents endpoint.

Arvados-DCO-1.1-Signed-off-by: Ward Vandewege <ward@curii.com>

diff --git a/sdk/go/arvados/fs_project.go b/sdk/go/arvados/fs_project.go
index bf6391a74e4455ea076f82ac49173cb36e825a48..380fb9c6d5f2f8dac636b06c90df14973c0adb36 100644 (file)
--- a/sdk/go/arvados/fs_project.go
+++ b/sdk/go/arvados/fs_project.go
@@ -67,7 +67,7 @@ func (fs *customFileSystem) projectsLoadOne(parent inode, uuid, name string) (in
        } else if strings.Contains(coll.UUID, "-4zz18-") {
                return deferredCollectionFS(fs, parent, coll), nil
        } else {
-               log.Printf("projectnode: unrecognized UUID in response: %q", coll.UUID)
+               log.Printf("group contents: unrecognized UUID in response: %q", coll.UUID)
                return nil, ErrInvalidArgument
        }
 }
@@ -80,58 +80,57 @@ func (fs *customFileSystem) projectsLoadAll(parent inode, uuid string) ([]inode,
 
        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
+       // 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},
                }
-               if len(resp.Items) == 0 {
-                       break
-               }
-               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{"group_class", "=", "project"})
                }
-               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
+               params := ResourceListParams{
+                       Count:   "none",
+                       Filters: filters,
+                       Order:   "uuid",
                }
-               if len(resp.Items) == 0 {
-                       break
-               }
-               for _, group := range resp.Items {
-                       if fs.forwardSlashNameSubstitution != "" {
-                               group.Name = strings.Replace(group.Name, "/", fs.forwardSlashNameSubstitution, -1)
+
+               for {
+                       // The groups content endpoint returns Collection and Group (project)
+                       // objects. This function only accesses the UUID and Name field. Both
+                       // collections and groups have those fields, so it is easier to just treat
+                       // the ObjectList that comes back as a CollectionList.
+                       var resp CollectionList
+                       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
+                               }
+                               if strings.Contains(i.UUID, "-j7d0g-") {
+                                       inodes = append(inodes, fs.newProjectNode(parent, i.Name, i.UUID))
+                               } else if strings.Contains(i.UUID, "-4zz18-") {
+                                       inodes = append(inodes, deferredCollectionFS(fs, parent, i))
+                               } 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
 }