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the news page. Better than trying to keep Changelog.html in sync.
Change docwrapper.php3 to treat .txt files as special so that they are
readable.

finally! These have been in the DB for a long time, but never used.
As Eric pointed out, its easier to get realistic address info from
people if we provide the right forms. The downside is that all current
users will have to adjust their info the next time they edit their
info. Thats okay. I thought about forcing all users to do it the next
time they log in, but I figured people would scream.

Did some editing,
and incorporated recent changes in group mechanism.

New 'blog-like news system.
Should make it easier to keep up with news updates!
Since:
  1. Doesn't require editing news.html in the CVS tree and
     recopying it/reinstalling just to add a news item.
  2. Doesn't involve editing menu.php3,
     since the modified date and "new" icon is automatic now.
  3. Looks nicer.

Also, it is based off the db, so other sites can have other news,
which they can maintain independently.

There are of course, neat features that have been suggested that
could go with this, such as message updates and automatic
mailing list mailings of news, but those don't exist yet...

Added new feature 'Experiment Modify'.
Now available (to admins only for now) from the showexp page.

Warning! doing a modify which alters the topology will probably
require a "reboot all nodes" afterwards.
(There will be a checkbox soon in the modify experiment page.)

Adding/removing delay nodes seems to work fine without reboots, though.

Warning! If the new version of the experiment cannot be mapped
 (not enough nodes available, for instance) the experiment will be
 swapped out! This will get fixed later.

Prerun backs up the experiment topology, so using a bad NS
file doesn't result in experiment termination.

As part of this, added library functions to libdb to
delete, backup, and restore both virtual and physical experiment state.

Site-specific header graphic for gatech.

Before:
The main defs file (ie for configure) had an entry for WWWDEFS that
pointed to a <@WWWDEFS@>-defs.php3 file in the www/ directory. The www
defs file loaded some values about web pages, URLs, and some web
configuration parameters.

Problem:
Anything that was only in the www defs file was not accessible in the rest
of the universe (ie perl, C, and any other non-web-page scripts). For
instance, you couldn't have a perl script send an email to a user with a
link to the web site.

Solution:
Nuke all the www-defs files, move any important values into the main
configure, and change the web defs infrastructure to respect that. This
also meant adding about 3 lines each to all of the configure defs files.
(There really are about 10 new values you can change in your defs file,
but in almost all cases, the default values are the right thing.)

Upgrading:
External sites will need to move a few variables from their www-defs file
into their configure defs file. The example file should make it pretty
obvious. They may also want to customize some of the other vars that are
mentioned in configure.in and www/defs.php3.in .

and when the last one was sent.

Subject: EMULAB.NET: 5 PCs idle 3 hours: gtecho/bar

think it is idle because it has been sent a swap request, but it isn't
really inactive, reset the swap request counter.

we can send links that cause those fields to be filled in for people.
Add those links to email generated by newproject and newgroup pages
so that they can be saved by the leaders.

Add a bit of referrer magic to login page. When clicked from the join
or new project pages, tell login page to pass along the referrer page
so that when login is complete, user is zapped back to the original
page. This is especially nice when combined with the above change to
joinproject, whereby we send along the target pid/gid, but the user
has not yet logged in and remembers to do so via the link at the top
of the page.

In addition to the usual checks, project_root and group_root (in the
project) get the same permission as if they were in the subgroups with
group_root permission. This means they can swap/terminate/reboot etc
in subgroups even though they are not members of the subgroups.
There is still some copy problems with files, but leaving that till
later to deal with.

wrt subgroups. Also noted that group created is no longer in the group
by default.

project pages. Also fix the group one to be more consistent with the
others.

how long they've been idle and what the time of last activity was on their
nodes. And now do proper wordwrapping on the message instead of static
apriori newline placement.

Also add the ability to do some formatting on the idle time to those
functions, and use it to make the swap request message a little better.
("H hours, M minutes" instead of "X.Y hours").

only pid, to pid/gid like most other things in the testbed. Also add a
"global" slot to denote images that are globally available to all
projects (system images). The older "shared" attribute is now used to
denote images that are shared within a project (available to all
subgroups in the project). The migration path for existing DBs is
given in the migrate file. Be sure to run those commands on an
existing testbed or things will break!

www/newimageid, www/newimageid_ez: A bunch of changes for
shared/global attributes. Added a group menu to the form so users can
create images in subgroups. Beefed up the Java code that constructs
the path name to use the gid, shared, and global attributes of the
form to give the user the best possible path that we can. Improved the
pathname checking code so that we do not allow just any old path in
case the user elects to disregard the path we carefully constructed
for them. Also check the proj/group membership, and setup defaults for
users that have permission in just one pid/gid to create images.

libdb.in: Changed permission check in TBImageIDAccessCheck() to
reflect shared/global attribute changes.

os_load: Get rid of test that checked path of the image. The path
checking is done in the web interface anyway, so why duplicate in 4
places. Other minor changes reflecting shared->global name change.
Also note that images can come from the group directory now.

create_image: Get rid of test that checked path of the image. The path
checking is done in the web interface anyway, so why duplicate in 4
places. Also note that images can come from the group directory now.

www/dbdefs: Changed permission check in TBImageIDAccessCheck() to
reflect shared/global attribute changes.

www/showimageid_list, www/showstuff: Minor global/shared attribute
changes.

www/menu: Change osids/imageids pointer to point to the image list,
not the osid list. This is more reasonable for mere users who have
access to the EZ form, and thus never really need to concern
themselves with osids.

www/editimageid: Add proper pathname checking. There were no checks at
all before!

 - Added a bunch of functions to get time of last activity, hours idle,
   and staleness for nodes and experiments.
 - Fixed the showexp_list page to use the new idle measures, including
   idle view. Idle view now runs in about 1.3 seconds instead of 13.
 - Changed all the "show" functions for nodes and expts to show idleness.

More changes will be coming, but I wanted to commit this before I install
it for real.

   - Performing an approval action (postpone/approve/deny/nuke) on a
     user in a subgroup results in an implicit version of that same
     approval action on the user in the
     default group (for approve, $trust='user'.)

   - Tidied up a table in approveuser_form.php3,
     but form is otherwise unchanged.

the newimageid_explain front page, since I had actually moved most of
that text into the tutorial a couple of months ago. I moved the rest
of the text over, and changed the links to point to the short form.
Added a link at the top of the short form pointing to the tutorial
section, and for admin types, a link to the long form.

Account to make it more clear.

Bad idea. Use an auto_incrementing idx field instead.

idle but someone logged in sometime today, it meant that someone had
logged in since the most recent slothd report (up to an hour ago). Now
that our time of idleness is much lower than 24 hours, it is easy for
someone to have logged in today and still have it be idle. So remove the
check.

This means that you should wait at least an hour from the time you send a
message before you swap it out, to make sure that your data was correct
when you sent the message. Not optimal, but fixed with the new slothd that
goes in this week.

reason is to keep things moving during the high SOSP demand, but it may
stay there or somewhere similar when we deploy the new slothd next week.