GitLab

1. Change hackwaitandexit on the client, to return zero if the guest
   has not finished setting up. We used to treat 30 seconds as too
   long must have failed, but this is really not the case, especially
   on busy machines.

2. Fix up vnode_setup exit code handling, we were losing non-zero
   status cause of not shifting it down, and so failures were never
   being reported.

   New: If the vnode setup does return failure, set its event state to
   TBFAILED to cut short the wait in os_setup and the IG monitor
   process. On the surface this seems like an obviously good idea, but
   I'm sure it will come and bite me when I least expect it.

3. Change GeniAggregate Start/Restart to ignore vnode_setup failures,
   and let the monitor watch for TBFAILED or timeout. There are just
   too many ways for it to fail, and we want to allow vnodes that did
   not fail to set up normally, and give the user the choice to
   restart the ones that failed.

4. Don't let frisbee run forever, protect with timeout. I need to use
   Mike's new -T option, but not till I actually get new frisbee
   pushed out.

own locking and breaks if two processes call it at the same time. DUMB!

Mike's instruction. Faster, better, slicker then snot.

In order to hook in via the "generic vnode" path for setting up
blockstores under FreeNAS, I've done a bit of shuffling in order to
make things more OS-independent and reusable.

* mkvnode.pl

Moved to clientside/tmcc/common.  OS-dependent bits (really only some
IPtables stuff) abstracted, and moved to tmcc/linux/libvnode.pm.

* libvnode.pm

Moved generic vnode stuff to a new module.  Moved miscellaneous
utility functions to a new module.  Left OS-specific stuff.  Not
really sure if what is left should be merged into libsetup/liblocsetup
or left here - deferring this decision for now.

* libgenvnode.pm

New module currently containing generic vnode stuff.  Currently, the
VNODE_* predicates are here.

* libutil.pm

New module containing miscellaneous utility functions (fatal,
mysystem, mysystem2, setState, etc.)

Files referencing libvnode.pm have been updated, as have the relevant
Makefiles.

This commit is intended to makes the license status of Emulab and
ProtoGENI source files more clear.  It replaces license symbols like
"EMULAB-COPYRIGHT" and "GENIPUBLIC-COPYRIGHT" with {{{ }}}-delimited
blocks that contain actual license statements.

This change was driven by the fact that today, most people acquire and
track Emulab and ProtoGENI sources via git.

Before the Emulab source code was kept in git, the Flux Research Group
at the University of Utah would roll distributions by making tar
files.  As part of that process, the Flux Group would replace the
license symbols in the source files with actual license statements.

When the Flux Group moved to git, people outside of the group started
to see the source files with the "unexpanded" symbols.  This meant
that people acquired source files without actual license statements in
them.  All the relevant files had Utah *copyright* statements in them,
but without the expanded *license* state...

fetching images.

directory.

Also, some tweaks to Ryan's state fixes.  Only run through the reload
states in vnodeCreate if we have loadinfo (i.e., we are in the PCVM_RELOAD
state machine).

This makes us (closer to) consistent all around and we were populating that
latter file incorrectly anyway!  (though it only mattered with the new
sub-boss mechanism.)

writing into a file.

so that it can be used for Xen.

ever use one of the pseudo partitions linux creates when it sees a bsd
disklabel.

(slices suck!)

the tb-set-node-os command with a second optional argument; if that is
present, the first arg is the child OS and the second is the parent OS.
We add some new features in ptopgen (OS-parentOSname-childOSname) based
off a new table that maps which child OSes can run on which parents, and
the right desires get added to match.  We setup the reloads in os_setup
along with the parents.  Also needed a new opmode, RELOAD-PCVM, to handle
all this.

For now, users only have to specify that their images can run on pcvms, a
special hack for which type the images can run on.  This makes sense in
general since there is no point conditionalizing childOS loading on
hardware type at the moment, but rather on parentOS.  Hopefully this stuff
wiill mostly work on shared nodes too, although we'll have to be more
aggressive on the client side garbage collecting old frisbee'd images for
long-lived shared hosts.

I only made these changes in libvtop, so assign_wrapper folks are left in
the dark.

Currently, the client side supports frisbee.  Only in openvz for now, and
this probably breaks libvnode_xen.pm.  Also in here are some openvz
improvements, like ability to sniff out which network is the public
control net, and which is the fake virtual control net.

Some additional debugging for system commands.

bootvnodes/vnodesetup/mkX.pl train in favor of my own strawman design for
a more generic form of virt node support.  The strawman is incomplete and
probably wrong in places, but I had to abandon the quest for anything
better for now.  For now, uses same server side stuff as jails.