#! /usr/bin/env python
+from __future__ import with_statement
# sfi -- slice-based facility interface
import sys
-import os
+import os, os.path
from optparse import OptionParser
+from util.cert import Keypair, Certificate
+from util.credential import Credential
+from util.geniclient import GeniClient
+sfi_dir = os.path.expanduser("~/.sfi/")
+slicemgr = None
+registry = None
+user = None
+authority = None
+verbose = False
+
+#
+# Establish Connection to SliceMgr and Registry Servers
+#
+def set_servers(options):
+ global slicemgr
+ global registry
+ global user
+ global authority
+
+ # Set SliceMgr URL
+ if (options.sm is not None):
+ 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):
+ 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 User Name"
+ sys.exit(1)
+
+ # 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_url == registry_url):
+ slicemgr = GeniClient(sm_url, key_file, cert_file)
+ registry = slicemgr
+ else:
+ slicemgr = GeniClient(sm_url, key_file, cert_file)
+ registry = GeniClient(registry_url, key_file, cert_file)
+ return
+
+#
+# Get various credential and spec files
+#
+# Establishes limiting conventions
+# - conflates MAs and SAs
+# - assumes last token in slice name is unique
+#
+# 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_key_file():
+ file = os.path.join(sfi_dir, get_leaf(user) + ".pkey")
+ if (os.path.isfile(file)):
+ return file
+ else:
+ print "Key file", file, "does not exist"
+ sys.exit(-1)
+ return
+
+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:
+ 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
+
+ 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)):
+ slice_cred = Credential(filename=file)
+ return slice_cred
+ else:
+ # 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:
+ file = os.path.join(sfi_dir, rspec)
+ if (os.path.isfile(file)):
+ return file
+ else:
+ print "No such rspec file"
+ sys.exit(1)
+
+def get_record_file(record):
+ if (os.path.isabs(record)):
+ file = record
+ else:
+ file = os.path.join(sfi_dir, record)
+ if (os.path.isfile(file)):
+ return file
+ else:
+ print "No such registry record file"
+ sys.exit(1)
+
+#
+# Generate sub-command parser
+#
def create_cmd_parser(command):
cmdargs = {"list": "name",
"show": "name",
- "delete": "name",
+ "remove": "name",
"add": "name record",
"update": "name record",
"nodes": "[name]",
}
if command not in cmdargs:
print "Invalid command\n"
- print "Commands:list,show,delete,add,update,nodes,slices,resources,create,delete,start,stop,reset"
+ print "Commands:list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset"
sys.exit(2)
parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
parser.add_option("-f", "--format", dest="format",type="choice",
help="output format (dns|ip|hrn|rspec)",default="rspec",
choices=("dns","ip","hrn","rspec"))
- elif command in ("list", "show", "delete"):
+ elif command in ("list", "show", "remove"):
parser.add_option("-t", "--type", dest="type",type="choice",
help="type filter (user|slice|sa|ma|node|aggregate)",
- choices=("user","slice","sa","ma","node","aggregate"))
+ choices=("user","slice","sa","ma","node","aggregate", "all"),
+ default="all")
return parser
+#
+# Main: parse arguments and dispatch to command
+#
def main():
+ global verbose
+
+ # Generate command line parser
parser = OptionParser(usage="sfi [options] command [command_options] [command_args]",
- description="Commands: list,show,delete,add,update,nodes,slices,resources,create,delete,start,stop,reset")
+ description="Commands: list,show,remove,add,update,nodes,slices,resources,create,delete,start,stop,reset")
parser.add_option("-r", "--registry", dest="registry",
- help="root registry", metavar="URL")
+ help="root registry", metavar="URL", default=None)
parser.add_option("-s", "--slicemgr", dest="sm",
- help="slice manager", metavar="URL")
+ 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="HRN", default=None)
+ parser.add_option("-a", "--auth", dest="auth",
+ help="authority name", metavar="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.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
- elif command in ("list","show","delete"):
+ elif command in ("list","show","remove"):
print cmd_opts.type
- print cmd_args
+ print cmd_args
+
+ set_servers(options)
+
+ # Dispatch to selected command
+ try:
+ globals()[command](cmd_opts, cmd_args)
+ except KeyError:
+ print "Command not found:", command
+ sys.exit(1)
return
+#
+# Following functions implement the commands
+#
+# Registry-related commands
+#
+
+# list entires in named authority registry
+def list(opts, args):
+ global registry
+ user_cred = get_user_cred()
+ result = registry.list(user_cred, args[0])
+ display_record(opts.type, results)
+ return
+
+# show named registry record
+def show(opts, args):
+ global registry
+ 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 registry
+ auth_cred = get_auth_cred()
+ results = registry.resolve(auth_cred, args[0])
+ record = filter_record(opts.type, results)
+ return registry.remove(auth_cred, record)
+
+# add named registry record
+def add(opts, args):
+ global registry
+ auth_cred = get_auth_cred()
+ rec_file = get_record_file(args[1])
+ with open(rec_file) as f:
+ record = f.read()
+ return registry.register(auth_cred, record)
+
+# update named registry entry
+def update(opts, args):
+ global registry
+ user_cred = get_user_cred()
+ rec_file = get_record_file(args[1])
+ with open(rec_file) as f:
+ record = f.read()
+ return registry.update(user_cred, record)
+
+#
+# Slice-related commands
+#
+
+# list available nodes
+def nodes(opts, args):
+ global slicemgr
+ user_cred = get_user_cred()
+ if (len(args) == 0):
+ context = None
+ else:
+ context = args[0]
+ result = slicemgr.list_nodes(user_cred, context)
+ display_rspec(opts.format, result)
+ return
+
+# list instantiated slices
+def slices(opts, args):
+ global slicemgr
+ user_cred = get_user_cred()
+ result = slicemgr.list_slices(user_cred)
+ display_rspec(opts.format, results)
+ return
+
+# show rspec for named slice
+def resources(opts, args):
+ global slicemgr
+ slice_cred = get_slice_cred(args[0])
+ result = slicemgr.get_resources(slice_cred, args[0])
+ display_rspec(opts.format, result)
+ return
+
+# created named slice with given rspec
+def create(opts, args):
+ global slicemgr
+ slice_cred = get_slice_cred(args[0])
+ rspec_file = get_rspec_file(args[1])
+ with open(rspec_file) as f:
+ rspec = f.read()
+ return slicemgr.instantiate(slice_cred, rspec)
+
+# delete named slice
+def delete(opts, args):
+ global slicemgr
+ slice_cred = get_slice_cred(args[0])
+ return slicemgr.delete_slice(slice_cred)
+
+# start named slice
+def start(opts, args):
+ global slicemgr
+ slice_cred = get_slice_cred(args[0])
+ return slicemgr.start_slice(slice_cred)
+
+# stop named slice
+def stop(opts, args):
+ global slicemgr
+ slice_cred = get_slice_cred(args[0])
+ return slicemgr.stop_slice(slice_cred)
+
+# reset named slice
+def reset(opts, args):
+ global slicemgr
+ slice_cred = get_slice_cred(args[0])
+ return slicemgr.reset_slice(slice_cred)
+
+#
+#
+# Display and Filter RSpecs and Records
+# - to be replace by EMF-generated routines
+#
+#
+
+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
+
+
if __name__=="__main__":
main()
git://git.onelab.eu / sfa.git / blobdiff