root/fedd/fedd_info.py

#!/usr/bin/env python

import sys

from federation.proof import proof
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, \
        log_authentication

class exp_data_opts(client_opts):
    def __init__(self):
        client_opts.__init__(self)
        self.add_option("--experiment_cert", dest="exp_certfile",
                action='callback', callback=self.expand_file, type='str',
                help="experiment certificate file")
        self.add_option("--experiment_name", dest="exp_name",
                type="string", help="human readable experiment name")
        self.add_option("--data", dest="data", default=[],
                action="append", type="choice",
                choices=("id", "experimentdescription", "vtopo", "vis", 
                    "log", "status"),
                help="data to extract")
        self.add_option("--fresh", dest="fresh", action="store_true",
                default=False, help="Force controller to gather fresh status")
        
parser = exp_data_opts()
(opts, args) = parser.parse_args()
cert, fid, url = wrangle_standard_options(opts)

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, 'fresh': opts.fresh }

# If legacy data is requested, request it from the server.
if 'vis' in opts.data  or 'vtopo' in opts.data:
    req['legacy'] = True

try:
    resp_dict = do_rpc(req,
            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, 'Info', opts)
except RuntimeError, e:
    sys.exit("Error processing RPC: %s" % e)

formatter = info_format()
for d in opts.data:
    try:
        formatter(resp_dict, d)
    except RuntimeError, e:
        print >>sys.stderr, "Warning: %s" % e
proof = proof.from_dict(resp_dict.get('proof', {}))
if proof and opts.auth_log:
    log_authentication(opts.auth_log, 'Info', 'succeeded', proof)