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Also added option (-F) to write full-image signature (what we do).

This is to facilitate testing again...

To that end, added a new "imagerezip" program which reads in an image
and writes it back out. Right now, this is just to test that reading
and writing images via the new library produces the same result as the
"classic" tools. But it might be useful in the future to repack images
with a different compression level or a different signature (hash function
or blocksize).

Also checked in a hack to imageunzip I did for Xing (-I option) to just
produce a stream of the uncompressed image data (it ignores skips, aka
it doesn't skip on the output device to put the data in the correct place).

Unfortunately, I cannot just compare raw images because even trying to
replicate the chunk packing strategy of the original code, the new library
packs a bit more into each chunk. Not sure why, but anyway, I have to
compare old/new images by dumping their contents and by checking the
generated signatures.

Of course, I have no idea if it is correct...but it is well formed!

New code for managing ranges.

This was in the CENTOS63-64-STD image at APT, but not at the MS, and not
in the CENTOS66-64-STD image.  I must have added it by hand there. Now it
is installed as part of the client-side install for CentOS 6 flavors.

but only surfaced as a problem on Clemson. Odd.

not always be immediately available. Mike says there is a race in mountd.
Surprise!

Handles the case where a wire in the wires table has an 'Unused' role
(which is how logical wires begin life -- then once their underlying
physical links are built into vlans, snmpit changes their wires.role
changes to 'Node').  This change ensures undef ports (which is what is
returned for wires entries with 'Unused' roles) don't make it into the
getVlanPorts list, where they cause snmpit to die, of course.

The stuff in db/Port.pm (Port::LookupByIface) wasn't handling the MLE
case where there are two wires table entries for physical wires with a
logical wire implemented by them; for my experiment, when snmpit was
trying to create the physical vlans on the apcon, it would grab the
logical wire instead of the physical one as it populated the Port
objects, and that screwed vlan creation up (the member port for the
physical layer 1 vlan gets labeled with a switch WIRE_END instead of
node -- which is correct for the logical wire, but not the physical).
So, I changed the query to check that wires.logical ==
interfaces.logical ; see the code.  This is a limited fix, maybe --
maybe that method should really do more verification to make sure it's
grabbed the correct wires table entry -- but since we only have 2 layers
it's plenty good for now.

change had some problems.

Also some fixes to the signature code.

No one has used this code in 10 years and not one will ever use it again,
but it broke my testing...and PISSED ME OFF!

Time for a LILO revival!

I'm not sure exactly why this was originally like this (let the node out
of reloading before doing the console-based reconfiguration --- cleaning
out the old config and writing a default one, via the console), but it
now fails because the node gets released from reloading (and thus its
reservation is cleared) before the reconfiguration step can grab the
console line via tiptunnel --- and a subsequent tiptunnel connect fails,
presumably because the reload_daemon no longer has permission to grab
the line.

Anyway, we'll try this... I can't see any obvious negative side
effects.

the apt_instance table record, and display that in on the admin extension
page so that we have it all in one place instead of email messages.
Also show the cluster usage graph in on the admin extend modal.

extensions, to show on the admin extend page.

For imagezip. Since I am the founding--and only--member of both camps,
I get to decide what is right! I am back to generating imagezip relocations
(for FreeBSD images only) since those images are just a big pile of bit-slag
if you want to load them anywhere other than their standard location.

Just luuuv string manipulation in C...

instead of cloudlab-ops, which we want to use for the combined cluster
email list. Send more email to logs instead of ops, now that we are
generating enough of it.