import sys
import os, os.path
-#from cert import Keypair, Certificate
+from cert import Keypair, Certificate, Credential
from optparse import OptionParser
-#from util.geniclient import GeniClient
+from util.geniclient import GeniClient
sfi_dir = os.path.expanduser("~/.sfi/")
sm_chan = None
reg_chan = None
+user = None
+authority = None
+verbose = False
#
# Establish Connection to SliceMgr and Registry Servers
def set_servers(options):
global sm_chan
global reg_chan
+ global user
+ global authority
- # Set SliceMgr and Registry URLs
+ # Set SliceMgr URL
if (options.sm is not None):
- sm = options.sm
- elif ("SM" in os.environ):
- sm = os.environ["SM"]
+ sm_url = options.sm
+ elif ("SFI_SM" in os.environ):
+ sm_url = os.environ["SFI_SM"]
else:
print "No Known Slice Manager"
sys.exit(1)
+
+ # Set Registry URL
if (options.registry is not None):
- registry = options.registry
- elif ("REGISTRY" in os.environ):
- registry = os.environ["REGISTRY"]
+ reg_url = options.registry
+ elif ("SFI_REGISTRY" in os.environ):
+ reg_url = os.environ["SFI_REGISTRY"]
+ else:
+ print "No Known Registry Server"
+ sys.exit(1)
+
+ if options.verbose :
+ print "Contacting Slice Manager at:", sm_url
+ print "Contacting Registry at:", registry_url
+
+ # Set user HRN
+ if (options.user is not None):
+ user = options.user
+ elif ("SFI_USER" in os.environ):
+ user = os.environ["SFI_USER"]
else:
- print "No Known Registry"
+ print "No Known User Name"
sys.exit(1)
- if options.verbose:
- print "Contacting Slice Manager at:", sm
- print "Contacting Registry at:", registry
+ # Set authority HRN
+ if (options.auth is not None):
+ authority = options.auth
+ elif ("SFI_AUTH" in os.environ):
+ authority = os.environ["SFI_AUTH"]
+ else:
+ authority = None
+
+ # Get key and certificate
+ key_file = get_key_file()
+ cert_file = get_cert_file(key_file)
+
+ # Establish connection to server(s)
# SliceMgr and Registry may be available on the same server
-# if (sm == registry):
-# sm_chan = GeniClient(sm, key_file, cert_file)
-# reg_chan = sm_chan
-# else:
-# sm_chan = GeniClient(sm, key_file, cert_file)
-# reg_chan = GeniClient(registry, key_file, cert_file)
+ if (sm_url == registry_url):
+ sm_chan = GeniClient(sm_url, key_file, cert_file)
+ reg_chan = sm_chan
+ else:
+ sm_chan = GeniClient(sm_url, key_file, cert_file)
+ reg_chan = GeniClient(registry_url, key_file, cert_file)
return
#
-# Get file names for various credentials and specs
+# Get various credential and spec files
#
# Establishes limiting conventions
# - conflates MAs and SAs
-# - assumes a single user per working directory
# - assumes last token in slice name is unique
#
-# Bootstraps credentials (not done yet)
+# Bootstraps credentials
+# - bootstrap user credential from self-signed certificate
+# - bootstrap authority credential from user credential
+# - bootstrap slice credential from user credential
#
def get_leaf(name):
parts = name.split(".")
return parts[-1]
-def get_user_cred_fn():
- file = os.path.join(sfi_dir, os.environ["USER"] + ".cred")
+def get_key_file():
+ file = os.path.join(sfi_dir, get_leaf(user) + ".pkey")
if (os.path.isfile(file)):
return file
else:
- print "bootstrap user credential here"
+ print "Key file", file, "does not exist"
+ sys.exit(-1)
+ return
-def get_auth_cred_fn():
- file = os.path.join(sfi_dir, "auth.cred")
+def get_cert_file(key_file):
+ global verbose
+
+ file = os.path.join(sfi_dir, get_leaf(user) + ".cert")
if (os.path.isfile(file)):
return file
else:
- print "bootstrap authority credential here"
+ k = Keypair(filename = key_file)
+ cert = Certificate(subject=user)
+ cert.set_pubkey(k)
+ cert.set_issuer(k, user)
+ cert.sign()
+ if verbose :
+ print "Writing self-signed certificate to", file
+ cert.save_to_file(file)
+ return file
+
+def get_user_cred():
+ global user
-def get_slice_cred_fn(name):
+ file = os.path.join(sfi_dir, get_leaf(user) + ".cred")
+ if (os.path.isfile(file)):
+ user_cred = Credential(filename=file)
+ return user_cred
+ else:
+ # bootstrap user credential
+ user_cred = get_credential(None, "user", user)
+ if user_cred:
+ user_cred.save_to_file(file, save_parents=True)
+ if verbose:
+ print "Writing user credential to", file
+ return user_cred
+ else:
+ print "Failed to get user credential"
+ sys.exit(-1)
+
+def get_auth_cred():
+ global authority
+
+ file = os.path.join(sfi_dir, "authority.cred")
+ if (os.path.isfile(file)):
+ auth_cred = Credential(filename=file)
+ return auth_cred
+ else:
+ # bootstrap authority credential from user credential
+ user_cred = get_user_cred()
+ auth_cred = get_credential(user_cred, "sa", authority)
+ if auth_cred:
+ auth_cred.save_to_file(file, save_parents=True)
+ if verbose:
+ print "Writing authority credential to", file
+ return auth_cred
+ else:
+ print "Failed to get authority credential"
+ sys.exit(-1)
+
+def get_slice_cred(name):
file = os.path.join(sfi_dir, "slice_" + get_leaf(name) + ".cred")
if (os.path.isfile(file)):
- return file
+ slice_cred = Credential(filename=file)
+ return slice_cred
else:
- print "bootstrap slice credential here"
-
-def get_rspec_fn(rspec):
+ # bootstrap slice credential from user credential
+ user_cred = get_user_cred()
+ slice_cred = get_credential(user_cred, "slice", name)
+ if slice_cred:
+ slice_cred.save_to_file(file, save_parents=True)
+ if verbose:
+ print "Writing slice credential to", file
+ return slice_cred
+ else:
+ print "Failed to get slice credential"
+ sys.exit(-1)
+
+def get_rspec_file(rspec):
if (os.path.isabs(rspec)):
file = rspec
else:
print "No such rspec file"
sys.exit(1)
-def get_record_fn(record):
+def get_record_file(record):
if (os.path.isabs(record)):
file = record
else:
def main():
global sm_chan
global reg_chan
+ global verbose
# Generate command line parser
parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
help="slice manager", metavar="URL", default=None)
parser.add_option("-d", "--dir", dest="dir",
help="working directory", metavar="PATH", default = sfi_dir)
+ parser.add_option("-u", "--user", dest="user",
+ help="user name", metavar="USER_HRN", default=None)
+ parser.add_option("-a", "--auth", dest="auth",
+ help="authority name", metavar="AUTH_HRN", default=None)
parser.add_option("-v", "--verbose",
action="store_true", dest="verbose", default=False,
help="verbose mode")
(options, args) = parser.parse_args()
command = args[0]
(cmd_opts, cmd_args) = create_cmd_parser(command).parse_args(args[1:])
- if options.verbose :
- print options.registry,options.sm,options.dir,options.verbose
+ verbose = options.verbose
+ if verbose :
+ print options.registry, options.sm, options.dir, options.verbose,\
+ options.user, options.auth
print command
if command in ("nodes", "resources"):
print cmd_opts.format
#
# Following functions implement the commands
-# todo: make sure args exist
#
-# First, the Registry-related commands
+# Registry-related commands
#
# list entires in named authority registry
def list(opts, args):
global reg_chan
- cred_file = get_user_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- print "list:", opts.type, args[0], reg_chan, credential
-# result = reg_chan.list(credential, args[0])
-# ...filter output based on opts.type...
+ user_cred = get_user_cred()
+ result = reg_chan.list(user_cred, args[0])
+ display_record(opts.type, results)
return
# show named registry record
def show(opts, args):
-# pretty print or return record xml?
global reg_chan
- cred_file = get_user_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- print "show:", opts.type, args[0], reg_chan, credential
-# result = reg_chan.resolve(credential, args[0])
-# ...filter output based on opts.type...
+ user_cred = get_user_cred()
+ result = reg_chan.resolve(user_cred, args[0])
+ display_record(opts.type, results)
return
# removed named registry record
+# - have to first retrieve the record to be removed
def remove(opts, args):
global reg_chan
- cred_file = get_auth_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- print "remove:", opts.type, args[0], reg_chan, credential
-# ...first retrieve named record...
-# results = reg_chan.resolve(credential, args[0])
-# ...filter desired record from result using opts.type
-# ...use that record to call remove...
-# result = reg_chan.remove(credential, record)
- return
+ auth_cred = get_auth_cred()
+ results = reg_chan.resolve(auth_cred, args[0])
+ record = filter_record(opts.type, results)
+ return reg_chan.remove(auth_cred, record)
# add named registry record
def add(opts, args):
global reg_chan
- cred_file = get_auth_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- rec_file = get_record_fn(args[1])
- with open(rec_file) as g:
- record = g.read()
- print "add:", record, reg_chan, credential
-# result = reg_chan.register(credential, record)
- return
+ auth_cred = get_auth_cred()
+ rec_file = get_record_file(args[1])
+ with open(rec_file) as f:
+ record = f.read()
+ return reg_chan.register(auth_cred, record)
# update named registry entry
def update(opts, args):
global reg_chan
- cred_file = get_auth_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- rec_file = get_record_fn(args[1])
- with open(rec_file) as g:
- record = g.read()
- print "update:", record, reg_chan, credential
-# result = reg_chan.update(credential, record)
- return
+ user_cred = get_user_cred()
+ rec_file = get_record_file(args[1])
+ with open(rec_file) as f:
+ record = f.read()
+ return reg_chan.update(user_cred, record)
#
-# Second, the Slice-related commands
+# Slice-related commands
#
# list available nodes
def nodes(opts, args):
global sm_chan
- cred_file = get_user_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- if (args[0] is None):
- context = "root"
+ user_cred = get_user_cred()
+ if (len(args) == 0):
+ context = None
else:
context = args[0]
- print "nodes:", opts.format, context, sm_chan, credential
-# result = sm_chan.list_nodes(credential, context)
-# ...format output based on opts.format...
+ result = sm_chan.list_nodes(user_cred, context)
+ display_rspec(opts.format, result)
return
# list instantiated slices
def slices(opts, args):
global sm_chan
- cred_file = get_user_cred_fn()
- with open(cred_file) as f:
- credential = f.read()
- print "slices:", sm_chan, credential
-# result = sm_chan.list_slices(credential)
+ user_cred = get_user_cred()
+ result = sm_chan.list_slices(user_cred)
+ display_rspec(opts.format, results)
return
# show rspec for named slice
def resources(opts, args):
global sm_chan
- cred_file = get_slice_cred_fn(args[0])
- with open(cred_file) as f:
- credential = f.read()
- print "resources:", opts.format, args[0], sm_chan, credential
-# result = sm_chan.get_resources(credential, args[0])
-# ...format output based on opts.format...
+ slice_cred = get_slice_cred(args[0])
+ print "resources:", opts.format, args[0], sm_chan
+ result = sm_chan.get_resources(slice_cred, args[0])
+ display_rspec(opts.format, result)
return
# created named slice with given rspec
def create(opts, args):
global sm_chan
- cred_file = get_slice_cred_fn(args[0])
- with open(cred_file) as f:
- credential = f.read()
- rspec_file = get_rspec_fn(args[1])
- with open(rspec_file) as g:
- rspec = g.read()
- print "create:", args[0], rspec, sm_chan, credential
-# result = sm_chan.instantiate(credential, rspec)
- return
+ slice_cred = get_slice_cred(args[0])
+ rspec_file = get_rspec_file(args[1])
+ with open(rspec_file) as f:
+ rspec = f.read()
+ return sm_chan.instantiate(slice_cred, rspec)
# delete named slice
def delete(opts, args):
global sm_chan
- cred_file = get_slice_cred_fn(args[0])
- with open(cred_file) as f:
- credential = f.read()
- print "delete:", args[0], sm_chan, credential
-# result = sm_chan.delete_slice(credential)
- return
+ slice_cred = get_slice_cred(args[0])
+ return sm_chan.delete_slice(slice_cred)
# start named slice
def start(opts, args):
global sm_chan
- cred_file = get_slice_cred_fn(args[0])
- with open(cred_file) as f:
- credential = f.read()
- print "start:", args[0], sm_chan, credential
-# result = sm_chan.start_slice(credential)
- return
+ slice_cred = get_slice_cred(args[0])
+ return sm_chan.start_slice(slice_cred)
# stop named slice
def stop(opts, args):
global sm_chan
- cred_file = get_slice_cred_fn(args[0])
- with open(cred_file) as f:
- credential = f.read()
- print "stop:", args[0], sm_chan, credential
-# result = sm_chan.stop_slice(credential)
- return
+ slice_cred = get_slice_cred(args[0])
+ return sm_chan.stop_slice(slice_cred)
# reset named slice
def reset(opts, args):
global sm_chan
- cred_file = get_slice_cred_fn(args[0])
- with open(cred_file) as f:
- credential = f.read()
- print "reset:", args[0], sm_chan, credential
-# result = sm_chan.reset_slice(credential)
+ slice_cred = get_slice_cred(args[0])
+ return sm_chan.reset_slice(slice_cred)
+
+#
+#
+# Display and Filter RSpecs and Records
+#
+#
+
+def display_rspec(format, rspec):
+ print "display rspec"
+ return
+
+def display_record(type, record):
+ rec = filter_record(type, record)
+ print "display record"
+ return
+
+def filter_record(type, record):
+ print "filter record"
return