X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fclient%2Fsfi.py;h=cf4a4fe4abf10723e68e5bf3b412dce4504fb8aa;hb=1bf1b1edc33aa7a573561f0f43115df8b218ce88;hp=293e5bdd7de5d3f5acd1e04137939181526620bc;hpb=16b9b27493626e78ab9d8385b58f677273d72e51;p=sfa.git
diff --git a/sfa/client/sfi.py b/sfa/client/sfi.py
index 293e5bdd..cf4a4fe4 100755
--- a/sfa/client/sfi.py
+++ b/sfa/client/sfi.py
@@ -4,32 +4,37 @@
import sys
sys.path.append('.')
+
import os, os.path
import tempfile
-import traceback
import socket
-import random
import datetime
-import zlib
import codecs
+import pickle
from lxml import etree
from StringIO import StringIO
-from types import StringTypes, ListType
from optparse import OptionParser
-from sfa.util.sfalogging import sfi_logger
from sfa.trust.certificate import Keypair, Certificate
from sfa.trust.gid import GID
from sfa.trust.credential import Credential
-from sfa.util.sfaticket import SfaTicket
-from sfa.util.record import SfaRecord, UserRecord, SliceRecord, NodeRecord, AuthorityRecord
-from sfa.util.xrn import Xrn, get_leaf, get_authority, hrn_to_urn
-import sfa.util.xmlrpcprotocol as xmlrpcprotocol
+from sfa.trust.sfaticket import SfaTicket
+
+from sfa.util.sfalogging import sfi_logger
+from sfa.util.xrn import get_leaf, get_authority, hrn_to_urn
from sfa.util.config import Config
from sfa.util.version import version_core
from sfa.util.cache import Cache
-from sfa.rspecs.rspec_version import RSpecVersion
-from sfa.rspecs.pg_rspec import pg_rspec_request_version
+
+from sfa.storage.record import SfaRecord, UserRecord, SliceRecord, NodeRecord, AuthorityRecord
+
+from sfa.rspecs.rspec import RSpec
+from sfa.rspecs.rspec_converter import RSpecConverter
+from sfa.rspecs.version_manager import VersionManager
+from sfa.client.return_value import ReturnValue
+
+import sfa.client.sfaprotocol as sfaprotocol
+from sfa.client.client_helper import pg_users_arg, sfa_users_arg
AGGREGATE_PORT=12346
CM_PORT=12346
@@ -80,23 +85,51 @@ def filter_records(type, records):
# save methods
+def save_variable_to_file(var, filename, format="text"):
+ f = open(filename, "w")
+ if format == "text":
+ f.write(str(var))
+ elif format == "pickled":
+ f.write(pickle.dumps(var))
+ else:
+ # this should never happen
+ print "unknown output format", format
+
+
def save_rspec_to_file(rspec, filename):
if not filename.endswith(".rspec"):
filename = filename + ".rspec"
-
f = open(filename, 'w')
f.write(rspec)
f.close()
return
-def save_records_to_file(filename, recordList):
- index = 0
- for record in recordList:
- if index > 0:
- save_record_to_file(filename + "." + str(index), record)
- else:
- save_record_to_file(filename, record)
- index = index + 1
+def save_records_to_file(filename, recordList, format="xml"):
+ if format == "xml":
+ index = 0
+ for record in recordList:
+ if index > 0:
+ save_record_to_file(filename + "." + str(index), record)
+ else:
+ save_record_to_file(filename, record)
+ index = index + 1
+ elif format == "xmllist":
+ f = open(filename, "w")
+ f.write("\n")
+ for record in recordList:
+ record = SfaRecord(dict=record)
+ f.write('\n')
+ f.write("\n")
+ f.close()
+ elif format == "hrnlist":
+ f = open(filename, "w")
+ for record in recordList:
+ record = SfaRecord(dict=record)
+ f.write(record.get_name() + "\n")
+ f.close()
+ else:
+ # this should never happen
+ print "unknown output format", format
def save_record_to_file(filename, record):
if record['type'] in ['user']:
@@ -206,9 +239,9 @@ class Sfi:
parser.add_option("-d", "--delegate", dest="delegate", default=None,
action="store_true",
help="Include a credential delegated to the user's root"+\
- "authority in set of credentials for this call")
-
- # registy filter option
+ "authority in set of credentials for this call")
+
+ # registy filter option
if command in ("list", "show", "remove"):
parser.add_option("-t", "--type", dest="type", type="choice",
help="type filter ([all]|user|slice|authority|node|aggregate)",
@@ -226,15 +259,27 @@ class Sfi:
help="optional component information", default=None)
- if command in ("resources", "show", "list", "create_gid"):
+ # 'create' does return the new rspec, makes sense to save that too
+ if command in ("resources", "show", "list", "create_gid", 'create'):
parser.add_option("-o", "--output", dest="file",
help="output XML to file", metavar="FILE", default=None)
-
+
if command in ("show", "list"):
parser.add_option("-f", "--format", dest="format", type="choice",
help="display format ([text]|xml)", default="text",
choices=("text", "xml"))
+ parser.add_option("-F", "--fileformat", dest="fileformat", type="choice",
+ help="output file format ([xml]|xmllist|hrnlist)", default="xml",
+ choices=("xml", "xmllist", "hrnlist"))
+
+ if command in ("status", "version"):
+ parser.add_option("-o", "--output", dest="file",
+ help="output dictionary to file", metavar="FILE", default=None)
+ parser.add_option("-F", "--fileformat", dest="fileformat", type="choice",
+ help="output file format ([text]|pickled)", default="text",
+ choices=("text","pickled"))
+
if command in ("delegate"):
parser.add_option("-u", "--user",
action="store_true", dest="delegate_user", default=False,
@@ -355,14 +400,13 @@ class Sfi:
# Get key and certificate
key_file = self.get_key_file()
cert_file = self.get_cert_file(key_file)
- self.key = Keypair(filename=key_file)
self.key_file = key_file
self.cert_file = cert_file
self.cert = GID(filename=cert_file)
self.logger.info("Contacting Registry at: %s"%self.reg_url)
- self.registry = xmlrpcprotocol.get_server(self.reg_url, key_file, cert_file, timeout=self.options.timeout, verbose=self.options.debug)
+ self.registry = sfaprotocol.server_proxy(self.reg_url, key_file, cert_file, timeout=self.options.timeout, verbose=self.options.debug)
self.logger.info("Contacting Slice Manager at: %s"%self.sm_url)
- self.slicemgr = xmlrpcprotocol.get_server(self.sm_url, key_file, cert_file, timeout=self.options.timeout, verbose=self.options.debug)
+ self.slicemgr = sfaprotocol.server_proxy(self.sm_url, key_file, cert_file, timeout=self.options.timeout, verbose=self.options.debug)
return
def get_cached_server_version(self, server):
@@ -379,35 +423,35 @@ class Sfi:
if cache:
version = cache.get(cache_key)
-
+
if not version:
- version = server.GetVersion()
+ result = server.GetVersion()
+ version= ReturnValue.get_value(result)
# cache version for 24 hours
cache.add(cache_key, version, ttl= 60*60*24)
self.logger.info("Updating cache file %s" % cache_file)
cache.save_to_file(cache_file)
-
return version
- def server_supports_call_id_arg(self, server):
+ def server_supports_options_arg(self, server):
"""
Returns true if server support the optional call_id arg, false otherwise.
"""
server_version = self.get_cached_server_version(server)
- if 'sfa' in server_version:
+ if 'sfa' in server_version and 'code_tag' in server_version:
code_tag = server_version['code_tag']
code_tag_parts = code_tag.split("-")
version_parts = code_tag_parts[0].split(".")
major, minor = version_parts[0], version_parts[1]
rev = code_tag_parts[1]
- if int(major) > 1:
- if int(minor) > 0 or int(rev) > 20:
+ if int(major) >= 1:
+ if int(minor) >= 2:
return True
return False
-
+
#
# Get various credential and spec files
#
@@ -455,7 +499,7 @@ class Sfi:
self.logger.info("Getting Registry issued cert")
self.read_config()
# *hack. need to set registyr before _get_gid() is called
- self.registry = xmlrpcprotocol.get_server(self.reg_url, key_file, cert_file, timeout=self.options.timeout, verbose=self.options.debug)
+ self.registry = sfaprotocol.server_proxy(self.reg_url, key_file, cert_file, timeout=self.options.timeout, verbose=self.options.debug)
gid = self._get_gid(type='user')
self.registry = None
self.logger.info("Writing certificate to %s"%cert_file)
@@ -483,7 +527,7 @@ class Sfi:
if args:
hrn = args[0]
gid = self._get_gid(hrn)
- self.logger.debug("Sfi.get_gid-> %s",gid.save_to_string(save_parents=True))
+ self.logger.debug("Sfi.get_gid-> %s" % gid.save_to_string(save_parents=True))
return gid
def _get_gid(self, hrn=None, type=None):
@@ -495,7 +539,6 @@ class Sfi:
hrn = self.user
gidfile = os.path.join(self.options.sfi_dir, hrn + ".gid")
- print gidfile
gid = self.get_cached_gid(gidfile)
if not gid:
user_cred = self.get_user_cred()
@@ -609,7 +652,7 @@ class Sfi:
return key_string
# xxx opts undefined
- def get_component_server_from_hrn(self, hrn):
+ def get_component_proxy_from_hrn(self, hrn):
# direct connection to the nodes component manager interface
user_cred = self.get_user_cred().save_to_string(save_parents=True)
records = self.registry.Resolve(hrn, user_cred)
@@ -618,9 +661,9 @@ class Sfi:
self.logger.warning("No such component:%r"% opts.component)
record = records[0]
- return self.get_server(record['hostname'], CM_PORT, self.key_file, self.cert_file)
+ return self.server_proxy(record['hostname'], CM_PORT, self.key_file, self.cert_file)
- def get_server(self, host, port, keyfile, certfile):
+ def server_proxy(self, host, port, keyfile, certfile):
"""
Return an instance of an xmlrpc server connection
"""
@@ -629,10 +672,10 @@ class Sfi:
host_parts = host.split('/')
host_parts[0] = host_parts[0] + ":" + str(port)
url = "http://%s" % "/".join(host_parts)
- return xmlrpcprotocol.get_server(url, keyfile, certfile, timeout=self.options.timeout, verbose=self.options.debug)
+ return sfaprotocol.server_proxy(url, keyfile, certfile, timeout=self.options.timeout, verbose=self.options.debug)
# xxx opts could be retrieved in self.options
- def get_server_from_opts(self, opts):
+ def server_proxy_from_opts(self, opts):
"""
Return instance of an xmlrpc connection to a slice manager, aggregate
or component server depending on the specified opts
@@ -640,10 +683,10 @@ class Sfi:
server = self.slicemgr
# direct connection to an aggregate
if hasattr(opts, 'aggregate') and opts.aggregate:
- server = self.get_server(opts.aggregate, opts.port, self.key_file, self.cert_file)
+ server = self.server_proxy(opts.aggregate, opts.port, self.key_file, self.cert_file)
# direct connection to the nodes component manager interface
if hasattr(opts, 'component') and opts.component:
- server = self.get_component_server_from_hrn(opts.component)
+ server = self.get_component_proxy_from_hrn(opts.component)
return server
#==========================================================================
@@ -681,17 +724,14 @@ class Sfi:
list = self.registry.List(hrn, user_cred)
except IndexError:
raise Exception, "Not enough parameters for the 'list' command"
-
- # filter on person, slice, site, node, etc.
+
+ # filter on person, slice, site, node, etc.
# THis really should be in the self.filter_records funct def comment...
list = filter_records(opts.type, list)
for record in list:
- print "%s (%s)" % (record['hrn'], record['type'])
+ print "%s (%s)" % (record['hrn'], record['type'])
if opts.file:
- file = opts.file
- if not file.startswith(os.sep):
- file = os.path.join(self.options.sfi_dir, file)
- save_records_to_file(file, list)
+ save_records_to_file(opts.file, list, opts.fileformat)
return
# show named registry record
@@ -702,7 +742,6 @@ class Sfi:
hrn = args[0]
user_cred = self.get_user_cred().save_to_string(save_parents=True)
records = self.registry.Resolve(hrn, user_cred)
- print records
records = filter_records(opts.type, records)
if not records:
print "No record of type", opts.type
@@ -722,10 +761,7 @@ class Sfi:
else:
print record.save_to_string()
if opts.file:
- file = opts.file
- if not file.startswith(os.sep):
- file = os.path.join(self.options.sfi_dir, file)
- save_records_to_file(file, records)
+ save_records_to_file(opts.file, records, opts.fileformat)
return
def delegate(self, opts, args):
@@ -816,7 +852,7 @@ class Sfi:
elif record['type'] in ["slice"]:
try:
cred = self.get_slice_cred(record.get_name()).save_to_string(save_parents=True)
- except xmlrpcprotocol.ServerException, e:
+ except sfaprotocol.ServerException, e:
# XXX smbaker -- once we have better error return codes, update this
# to do something better than a string compare
if "Permission error" in e.args[0]:
@@ -881,10 +917,13 @@ class Sfi:
if opts.version_registry:
server=self.registry
else:
- server = self.get_server_from_opts(opts)
- version=server.GetVersion()
+ server = self.server_proxy_from_opts(opts)
+ result = server.GetVersion()
+ version = ReturnValue.get_value(result)
for (k,v) in version.iteritems():
print "%-20s: %s"%(k,v)
+ if opts.file:
+ save_variable_to_file(version, opts.file, opts.fileformat)
# list instantiated slices
def slices(self, opts, args):
@@ -896,117 +935,114 @@ class Sfi:
if opts.delegate:
delegated_cred = self.delegate_cred(user_cred, get_authority(self.authority))
creds.append(delegated_cred)
- server = self.get_server_from_opts(opts)
- #results = server.ListSlices(creds, unique_call_id())
- results = server.ListSlices(creds)
- display_list(results)
+ server = self.server_proxy_from_opts(opts)
+ call_args = [creds]
+ if self.server_supports_options_arg(server):
+ options = {'call_id': unique_call_id()}
+ call_args.append(options)
+ result = server.ListSlices(*call_args)
+ value = ReturnValue.get_value(result)
+ display_list(value)
return
# show rspec for named slice
def resources(self, opts, args):
user_cred = self.get_user_cred().save_to_string(save_parents=True)
- server = self.slicemgr
- call_options = {}
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
+
+ options = {'call_id': unique_call_id()}
+ #panos add info options
+ if opts.info:
+ options['info'] = opts.info
if args:
cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
hrn = args[0]
- call_options = {'geni_slice_urn': hrn_to_urn(hrn, 'slice')}
+ options['geni_slice_urn'] = hrn_to_urn(hrn, 'slice')
else:
cred = user_cred
- hrn = None
creds = [cred]
if opts.delegate:
delegated_cred = self.delegate_cred(cred, get_authority(self.authority))
creds.append(delegated_cred)
if opts.rspec_version:
+ version_manager = VersionManager()
server_version = self.get_cached_server_version(server)
if 'sfa' in server_version:
# just request the version the client wants
- call_options['rspec_version'] = dict(RSpecVersion(opts.rspec_version))
+ options['geni_rspec_version'] = version_manager.get_version(opts.rspec_version).to_dict()
else:
# this must be a protogeni aggregate. We should request a v2 ad rspec
# regardless of what the client user requested
- call_options['rspec_version'] = dict(pg_rspec_request_version)
- #panos add info options
- if opts.info:
- call_options['info'] = opts.info
-
- call_args = [creds, call_options]
- if self.server_supports_call_id_arg(server):
- call_args.append(unique_call_id())
+ options['geni_rspec_version'] = version_manager.get_version('ProtoGENI 2').to_dict()
+ else:
+ options['geni_rspec_version'] = {'type': 'geni', 'version': '3.0'}
+
+ call_args = [creds, options]
result = server.ListResources(*call_args)
- format = opts.format
+ value = ReturnValue.get_value(result)
if opts.file is None:
- display_rspec(result, format)
+ display_rspec(value, opts.format)
else:
- file = opts.file
- if not file.startswith(os.sep):
- file = os.path.join(self.options.sfi_dir, file)
- save_rspec_to_file(result, file)
+ save_rspec_to_file(value, opts.file)
return
-
+
# created named slice with given rspec
def create(self, opts, args):
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
server_version = self.get_cached_server_version(server)
slice_hrn = args[0]
- slice_urn = hrn_to_urn(slice_hrn, 'slice')
+ slice_urn = hrn_to_urn(slice_hrn, 'slice')
user_cred = self.get_user_cred()
slice_cred = self.get_slice_cred(slice_hrn).save_to_string(save_parents=True)
- creds = [slice_cred]
- if opts.delegate:
- delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
- creds.append(delegated_cred)
+
+ if hasattr(opts, 'aggregate') and opts.aggregate:
+ delegated_cred = None
+ else:
+ # delegate the cred to the callers root authority
+ delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority)+'.slicemanager')
+ #delegated_cred = self.delegate_cred(slice_cred, get_authority(slice_hrn))
+ #creds.append(delegated_cred)
+
rspec_file = self.get_rspec_file(args[1])
rspec = open(rspec_file).read()
- # need to pass along user keys to the aggregate.
+ # need to pass along user keys to the aggregate.
# users = [
# { urn: urn:publicid:IDN+emulab.net+user+alice
- # keys: [, ]
+ # keys: [, ]
# }]
users = []
- all_keys = []
- all_key_ids = []
slice_records = self.registry.Resolve(slice_urn, [user_cred.save_to_string(save_parents=True)])
- if slice_records and 'researcher' in slice_records[0]:
+ if slice_records and 'researcher' in slice_records[0] and slice_records[0]['researcher']!=[]:
slice_record = slice_records[0]
user_hrns = slice_record['researcher']
user_urns = [hrn_to_urn(hrn, 'user') for hrn in user_hrns]
user_records = self.registry.Resolve(user_urns, [user_cred.save_to_string(save_parents=True)])
- for user_record in user_records:
- if user_record['type'] != 'user':
- continue
- #user = {'urn': user_cred.get_gid_caller().get_urn(),'keys': []}
- user = {'urn': user_cred.get_gid_caller().get_urn(), #
- 'keys': user_record['keys'],
- 'email': user_record['email'], # needed for MyPLC
- 'person_id': user_record['person_id'], # needed for MyPLC
- 'first_name': user_record['first_name'], # needed for MyPLC
- 'last_name': user_record['last_name'], # needed for MyPLC
- 'slice_record': slice_record, # needed for legacy refresh peer
- 'key_ids': user_record['key_ids'] # needed for legacy refresh peer
- }
- users.append(user)
- all_keys.extend(user_record['keys'])
- all_key_ids.extend(user_record['key_ids'])
- # ProtoGeni Aggregates will only install the keys of the user that is issuing the
- # request. So we will add all to the current caller's list of keys
- if 'sfa' not in server_version:
- for user in users:
- if user['urn'] == user_cred.get_gid_caller().get_urn():
- user['keys'] = all_keys
+ if 'sfa' not in server_version:
+ users = pg_users_arg(user_records)
+ rspec = RSpec(rspec)
+ rspec.filter({'component_manager_id': server_version['urn']})
+ rspec = RSpecConverter.to_pg_rspec(rspec.toxml(), content_type='request')
+ creds = [slice_cred]
+ else:
+ users = sfa_users_arg(user_records, slice_record)
+ creds = [slice_cred]
+ if delegated_cred:
+ creds.append(delegated_cred)
call_args = [slice_urn, creds, rspec, users]
- if self.server_supports_call_id_arg(server):
- call_args.append(unique_call_id())
-
+ if self.server_supports_options_arg(server):
+ options = {'call_id': unique_call_id()}
+ call_args.append(options)
result = server.CreateSliver(*call_args)
- print result
- return result
+ value = ReturnValue.get_value(result)
+ if opts.file is None:
+ print value
+ else:
+ save_rspec_to_file (value, opts.file)
+ return value
# get a ticket for the specified slice
def get_ticket(self, opts, args):
@@ -1020,7 +1056,7 @@ class Sfi:
creds.append(delegated_cred)
rspec_file = self.get_rspec_file(rspec_path)
rspec = open(rspec_file).read()
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
ticket_string = server.GetTicket(slice_urn, creds, rspec, [])
file = os.path.join(self.options.sfi_dir, get_leaf(slice_hrn) + ".ticket")
self.logger.info("writing ticket to %s"%file)
@@ -1051,7 +1087,7 @@ class Sfi:
for hostname in hostnames:
try:
self.logger.info("Calling redeem_ticket at %(hostname)s " % locals())
- server = self.get_server(hostname, CM_PORT, self.key_file, \
+ server = self.server_proxy(hostname, CM_PORT, self.key_file, \
self.cert_file, self.options.debug)
server.RedeemTicket(ticket.save_to_string(save_parents=True), slice_cred)
self.logger.info("Success")
@@ -1070,11 +1106,11 @@ class Sfi:
if opts.delegate:
delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
creds.append(delegated_cred)
- server = self.get_server_from_opts(opts)
-
+ server = self.server_proxy_from_opts(opts)
call_args = [slice_urn, creds]
- if self.server_supports_call_id_arg(server):
- call_args.append(unique_call_id())
+ if self.server_supports_options_arg(server):
+ options = {'call_id': unique_call_id()}
+ call_args.append(options)
return server.DeleteSliver(*call_args)
# start named slice
@@ -1086,7 +1122,7 @@ class Sfi:
if opts.delegate:
delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
creds.append(delegated_cred)
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
return server.Start(slice_urn, creds)
# stop named slice
@@ -1098,14 +1134,14 @@ class Sfi:
if opts.delegate:
delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
creds.append(delegated_cred)
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
return server.Stop(slice_urn, creds)
# reset named slice
def reset(self, opts, args):
slice_hrn = args[0]
slice_urn = hrn_to_urn(slice_hrn, 'slice')
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
creds = [slice_cred]
if opts.delegate:
@@ -1116,7 +1152,7 @@ class Sfi:
def renew(self, opts, args):
slice_hrn = args[0]
slice_urn = hrn_to_urn(slice_hrn, 'slice')
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
slice_cred = self.get_slice_cred(args[0]).save_to_string(save_parents=True)
creds = [slice_cred]
if opts.delegate:
@@ -1125,9 +1161,12 @@ class Sfi:
time = args[1]
call_args = [slice_urn, creds, time]
- if self.server_supports_call_id_arg(server):
- call_args.append(unique_call_id())
- return server.RenewSliver(*call_args)
+ if self.server_supports_options_arg(server):
+ options = {'call_id': unique_call_id()}
+ call_args.append(options)
+ result = server.RenewSliver(*call_args)
+ value = ReturnValue.get_value(result)
+ return value
def status(self, opts, args):
@@ -1138,11 +1177,16 @@ class Sfi:
if opts.delegate:
delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
creds.append(delegated_cred)
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
call_args = [slice_urn, creds]
- if self.server_supports_call_id_arg(server):
- call_args.append(unique_call_id())
- print server.SliverStatus(*call_args)
+ if self.server_supports_options_arg(server):
+ options = {'call_id': unique_call_id()}
+ call_args.append(options)
+ result = server.SliverStatus(*call_args)
+ value = ReturnValue.get_value(result)
+ print value
+ if opts.file:
+ save_variable_to_file(value, opts.file, opts.fileformat)
def shutdown(self, opts, args):
@@ -1153,7 +1197,7 @@ class Sfi:
if opts.delegate:
delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
creds.append(delegated_cred)
- server = self.get_server_from_opts(opts)
+ server = self.server_proxy_from_opts(opts)
return server.Shutdown(slice_urn, creds)
def print_help (self):