3644: Changed so ctime == mtime because ctime is not creation time (arg!).

[arvados.git] / services / fuse / bin / arv-mount

diff --git a/services/fuse/bin/arv-mount b/services/fuse/bin/arv-mount
index 89acdd6af7c724ac804ecdf168efd7d1a3658984..76d026ea1b240b091ca58ac40e3a337c308003e8 100755 (executable)
--- a/services/fuse/bin/arv-mount
+++ b/services/fuse/bin/arv-mount
@@ -7,6 +7,7 @@ import logging
 import os
 import signal
 import subprocess
+import time
 
 from arvados_fuse import *
 
@@ -27,13 +28,13 @@ with "--".
 
     mount_mode = parser.add_mutually_exclusive_group()
 
-    mount_mode.add_argument('--all', action='store_true', help="""Mount a subdirectory for each mode: home, shared, tags, portable data hash (default).""")
+    mount_mode.add_argument('--all', action='store_true', help="""Mount a subdirectory for each mode: home, shared, by_tag, by_id (default).""")
     mount_mode.add_argument('--home', action='store_true', help="""Mount only the user's home project.""")
     mount_mode.add_argument('--shared', action='store_true', help="""Mount only list of projects shared with the user.""")
     mount_mode.add_argument('--by-tag', action='store_true',
                             help="""Mount subdirectories listed by tag.""")
-    mount_mode.add_argument('--by-hash', action='store_true',
-                            help="""Mount subdirectories listed by portable data hash.""")
+    mount_mode.add_argument('--by-id', action='store_true',
+                            help="""Mount subdirectories listed by portable data hash or uuid.""")
     mount_mode.add_argument('--project', type=str, help="""Mount a specific project.""")
     mount_mode.add_argument('--collection', type=str, help="""Mount only the specified collection.""")
 
@@ -86,10 +87,11 @@ with "--".
     try:
         # Create the request handler
         operations = Operations(os.getuid(), os.getgid())
-        api = arvados.api('v1')
+        api = SafeApi(arvados.config)
 
         usr = api.users().current().execute()
-        if args.by_hash:
+        now = time.time()
+        if args.by_id:
             # Set up the request handler with the 'magic directory' at the root
             operations.inodes.add_entry(MagicDirectory(llfuse.ROOT_INODE, operations.inodes, api))
         elif args.by_tag:
@@ -105,10 +107,27 @@ with "--".
             operations.inodes.add_entry(ProjectDirectory(llfuse.ROOT_INODE, operations.inodes, api, api.groups().get(uuid=args.project).execute()))
         else:
             e = operations.inodes.add_entry(Directory(llfuse.ROOT_INODE))
+
             e._entries['home'] = operations.inodes.add_entry(ProjectDirectory(e.inode, operations.inodes, api, usr))
             e._entries['shared'] = operations.inodes.add_entry(SharedDirectory(e.inode, operations.inodes, api, usr))
             e._entries['by_tag'] = operations.inodes.add_entry(TagsDirectory(e.inode, operations.inodes, api))
-            e._entries['by_hash'] = operations.inodes.add_entry(MagicDirectory(e.inode, operations.inodes, api))
+            e._entries['by_id'] = operations.inodes.add_entry(MagicDirectory(e.inode, operations.inodes, api))
+
+            text = '''
+Welcome to Arvados!  This directory provides file system access to files and objects 
+available on the Arvados installation located at '{}' 
+using credentials for user '{}'.
+
+From here, the following directories are available:
+
+  by_id/     Access to Keep collections by uuid or portable data hash (see by_id/README for details).
+  by_tag/    Access to Keep collections organized by tag.
+  home/      The contents of your home project.
+  shared/    Projects shared with you.
+'''.format(arvados.config.get('ARVADOS_API_HOST'), usr['email'])
+
+            e._entries["README"] = operations.inodes.add_entry(StringFile(e.inode, text, now))
+
 
     except Exception:
         logger.exception("arv-mount: exception during API setup")