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Merge in Leigh's changes to retry operations on transient errors.
Show a heartbeat when waiting for XMLRPC requests to return.

This version was the one used at GEC 8.

A link to the solutions is provided at no extra charge.

ProtoGENI expects a single dictionary to be passed as the lone
argument to all XML RPC functions. The GENI AM API uses regular
argument passing. All Geni AM XML RPC operations now expect regular
arguments. Test scripts were updated to pass regular arguments.

Added an optional response handler to do_method so that the GENI
response (just a value) can be handled properly. The ProtoGENI
response (a three value dict) is expected if no response handler is
given to do_method.

Use the older syntax for exception variables; older versions
of python (like 2.4, which is installed on boss and ops right
now), don't support the 'Except X as (Y,Z)' syntax.

Passphrase file is used if it exists and is readable. If passphrase
file does not exist or is not readable, invoke standard M2Crypto
passphrase callback to prompt user for passphrase.

instead of the local hostname, so that the scripts work when located
on your local desktop machine.

since it has to be aware of the CM version. Add a Version() call to
GeniAuthority with goes asks the CM what version it is exporting.
Based on that, we know how to do a resolve of a component. Refactored
the code that was used in GeniAggregate when creating tunnels, since
that is where we have to Resolve components. This also turns up in
cooked mode.

Continuine moving towards a urn-only world. If a GeniAuthority or a
GeniComponent does not have the URN set locally in the DB, go back to
the clearinghouse and get it. Error if it is not known, and go bang on
the remote site to update and rerun register_resources.

did this originally, totally stupid. Anyway, the version number is now
a path argument to the script. No path info means version 1.0. In
other words, a URL like:

	/protogeni/xmlrpc/cm
	/protogeni/xmlrpc/cm/1.0

means to use version 1 of the API, while:

	/protogeni/xmlrpc/cm/2.0

gets you version 2 of the API.

Begin switch to URNs with slice URN.
Other minor things.

in URN form.

gracefully AND quietly.

variables PROTOGENI_CERTIFICATE and PROTOGENI_PASSPHRASE.

for settings the user might want to vary, and try to make the output
helpful.

to the Geni Public License at http://www.geni.net/docs/GENIPubLic.pdf,
whose expansion at this time is:

-----
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and/or hardware specification (the "Work") to
deal in the Work without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Work, and to permit persons to whom the Work
is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Work.

THE WORK IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE WORK OR THE USE OR OTHER DEALINGS
IN THE WORK.

automatically if they are not specified, to make things easier on
the end user.

parts should be harmless and have little interaction with anything else.

(for themself and the slice).  This shouldn't affect anybody else right now,
but is useful for me to test authenticating with delegated credentials.

overridden in the .protogeni-config.py file.

as the default clearinghouse).

Lots of corner cases that I am ignoring and recovery from errors is
just as crude. See xmlrpc/client.py ...

Checkpoint working swapin of experiments using multiple federated nodes with vlans between them. Now I need to figure out how to swap the experiment out