Update TODO file.

[libguestfs.git] / TODO

diff --git a/TODO b/TODO
index 12b1ce6..981d67b 100644 (file)
--- a/TODO
+++ b/TODO
@@ -12,33 +12,16 @@ Python bindings
 Ideas for the Python bindings:
 https://www.redhat.com/archives/fedora-virt/2009-April/msg00114.html
 
-FTP server or FUSE?
--------------------
+FUSE API
+--------
+
+The API needs more test coverage, particularly lesser-used system
+calls.
 
-Originally we had intended to implement an NFS server inside the
-appliance, which would allow the guest filesystems to be mounted on
-the host, and large changes to be made.  We eventually rejected the
-idea of using NFS, partly because it requires root to mount
-filesystems in the host, and partly because of problems handling UID
-mappings between host and guest filesystem.
-
-Then we look at implementing an FTP server instead.  FTP clients are
-widely available for many languages, don't require root, and don't
-have any UID mapping problems.  However there is the problem of
-getting the TCP connection into the guest, and that FTP requires a
-secondary data connection either in or out of the guest (the NFS
-situation is even more dire).
-
-Thirdly we looked at implementing a FUSE-based filesystem.  This is
-plausible - it could be implemented just by adding the additional FUSE
-operations to the standard guestfs(3) API, and then implementing a
-simple FUSE daemon.  (The FUSE website has some very helpful
-documentation and examples).  I [RWMJ] am not particularly convinced
-that a FUSE-based filesystem would really be useful to anyone, but am
-prepared to accept patches if someone does all the work.
-
-See also the mountlo project:
-http://sourceforge.net/project/showfiles.php?group_id=121684&package_id=150116
+The big unresolved issue is UID/GID mapping between guest filesystem
+IDs and the host.  It's not easy to automate this because you need
+extra details about the guest itself in order to get to its
+UID->username map (eg. /etc/passwd from the guest).
 
 BufferIn
 --------
@@ -145,9 +128,7 @@ Ideas for extra commands
   General glibc / core programs:
     chgrp
     dd (?)
-    utime / utimes / futimes / futimens / l..
     more mk*temp calls
-    trunc[ate??]
 
   ext2 properties:
     chattr
@@ -264,3 +245,40 @@ quickly, eg:
   load ext2
 
 Maybe it's better to create these on the fly?
+
+virt-rescue pty
+---------------
+
+See:
+http://search.cpan.org/~rgiersig/IO-Tty-1.08/Pty.pm
+http://www.perlmonks.org/index.pl?node_id=582185
+
+Note that pty requires cooperation inside the C code too (there are
+two sides to a pty, and one has to be handled after the fork).
+
+virt-rescue TERM
+----------------
+
+Pass TERM from the library, through the kernel command line, to the
+init script.
+
+Windows-based daemon/appliance
+------------------------------
+
+See discussion on list:
+https://www.redhat.com/archives/libguestfs/2009-November/msg00165.html
+
+virt-grow, virt-shrink
+----------------------
+
+Grow and shrink existing guests.  The main problem comes with
+MBR-style partitions where you have to actually copy data around the
+disk (unless you only want to change the final partition).
+
+qemu locking
+------------
+
+Add -drive file=...,lock=exclusive and -drive file=...,lock=shared
+
+Change libguestfs and libvirt to do the right thing, so that multiple
+instances of qemu cannot stomp on each other.
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