source: fedd/fedd_ftopo.py @ b53e1fc

#!/usr/local/bin/python

import sys

from federation import topdl
from federation.remote_service import service_caller
from federation.client_lib import client_opts, exit_with_fault, RPCException,\
        wrangle_standard_options, do_rpc, get_experiment_names, info_format

class ftopo_opts(client_opts):
    def __init__(self):
        client_opts.__init__(self)
        self.add_option("--experiment_cert", dest="exp_certfile",
                type="string", help="experiment certificate file")
        self.add_option("--experiment_name", dest="exp_name",
                type="string", help="human readable experiment name")

parser = ftopo_opts()
(opts, args) = parser.parse_args()
try:
    cert, fid = wrangle_standard_options(opts)
except RuntimeError, e:
    sys.exit("%s" % e)

if opts.exp_name and opts.exp_certfile:
    sys.exit("Only one of --experiment_cert and --experiment_name permitted")
elif opts.exp_certfile:
    exp_id = { 'fedid': fedid(file=opts.exp_certfile) }
elif opts.exp_name:
    exp_id = { 'localname' : opts.exp_name }
else:
    sys.exit("specify one of --experiment_cert and --experiment_name")

req = { 'experiment': exp_id }

try:
    resp_dict = do_rpc(req,
            opts.url, opts.transport, cert, opts.trusted, 
            serialize_only=opts.serialize_only,
            tracefile=opts.tracefile,
            caller=service_caller('Info'), responseBody='InfoResponseBody')
except RPCException, e:
    exit_with_fault(e)
except RuntimeError, e:
    sys.exit("Error processing RPC: %s" % e)

if 'experimentdescription' in resp_dict and \
        'topdldescription' in resp_dict['experimentdescription']:
    top = \
        topdl.Topology(\
        **resp_dict['experimentdescription']['topdldescription'])

    for e in [ e for e in top.elements \
            if isinstance(e, topdl.Computer)]:
        hn = e.get_attribute('hostname') or "-"
        tb = e.get_attribute('testbed') or "-"
        print ":".join((e.name, hn, tb))
else:
    sys.exit("Badly formatted response!?")