X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=cmdline%2Fsfi.py;h=f9e53a26ec6eb1f3affa2e8f1fa9fb2aeff8287f;hb=f4315e2c477fe7f68af6cc7f466cc721b6ad85cd;hp=54cb1795c27b65bdf1422cc324b2e0f8f2f03329;hpb=8566dbcfe01063a8bd5181c6c1b9654f2acc2233;p=sfa.git

diff --git a/cmdline/sfi.py b/cmdline/sfi.py
index 54cb1795..f9e53a26 100755
--- a/cmdline/sfi.py
+++ b/cmdline/sfi.py
@@ -1,16 +1,232 @@
 #! /usr/bin/env python
+from __future__ import with_statement
 
 # sfi -- slice-based facility interface
 
 import sys
-import os
-from cert import Keypair, Certificate
+import os, os.path
+import tempfile
 from optparse import OptionParser
+from util.cert import Keypair, Certificate
+from util.credential import Credential
+from util.geniclient import GeniClient
+from util.gid import create_uuid
+from util.record import GeniRecord
 
-def create_cmd_parser(command):
+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:", reg_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 = GeniClient(sm_url, key_file, cert_file)
+   registry = GeniClient(reg_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 = registry.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
+
+   if not authority:
+      print "no authority specified. Use -a or set SF_AUTH"
+      sys.exit(-1)
+
+   file = os.path.join(sfi_dir, get_leaf("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 = registry.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 = registry.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", rspec
+      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", record
+      sys.exit(1)
+
+def load_publickey_string(fn):
+   f = file(fn,"r")
+   key_string = f.read()
+
+   # if the filename is a private key file, then extract the public key
+   if "PRIVATE KEY" in key_string:
+       outfn = tempfile.mktemp()
+       cmd = "openssl rsa -in " + fn + " -pubout -outform PEM -out " + outfn
+       os.system(cmd)
+       f = file(outfn, "r")
+       key_string = f.read()
+       os.remove(outfn)
+
+   return key_string
+
+
+#
+# Generate sub-command parser
+#
+def create_cmd_parser(command, additional_cmdargs = None):
    cmdargs = {"list": "name",
               "show": "name",
-              "delete": "name",
+              "remove": "name",
+              "creategid": "hrn publickey_fn",
               "add": "name record",
               "update": "name record",
               "nodes": "[name]",
@@ -22,46 +238,284 @@ def create_cmd_parser(command):
               "start": "name",
               "stop": "name"
              }
+
+   if additional_cmdargs:
+      cmdargs.update(additional_cmdargs)
+
    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: ",
+      for key in cmdargs.keys():
+          print key+",",
+      print ""
       sys.exit(2)
 
    parser = OptionParser(usage="sfi [sfi_options] %s [options] %s" \
       % (command, cmdargs[command]))
    if command in ("nodes", "resources"):
       parser.add_option("-f", "--format", dest="format",type="choice",
-           help="output format (dns|ip|hrn|rspec)",default="rspec",
+           help="display format (dns|ip|hrn|rspec)",default="rspec",
            choices=("dns","ip","hrn","rspec"))
-   elif command in ("list", "show", "delete"):
+   if 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"))
+           help="type filter (user|slice|sa|ma|node|aggregate)",
+           choices=("user","slice","sa","ma","node","aggregate", "all"),
+           default="all")
+   if command in ("show", "list", "nodes", "resources", "creategid"):
+      parser.add_option("-o", "--output", dest="file",
+           help="output XML to file", metavar="FILE", default=None)
    return parser
 
-def main():
+def create_parser():
+   # 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")
    parser.disable_interspersed_args()
+
+   return parser
+
+def dispatch(command, cmd_opts, cmd_args):
+   globals()[command](cmd_opts, cmd_args)
+
+#
+# Main: parse arguments and dispatch to command
+#
+def main():
+   global verbose
+
+   parser = create_parser()
    (options, args) = parser.parse_args()
+
+   if len(args) <= 0:
+        print "No command given. Use -h for help."
+        return -1
+
    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
+
+   set_servers(options)
+
+   try:
+      dispatch(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()
+   list = registry.list(user_cred, args[0])
+   list = filter_records(opts.type, list)
+   display_records(list)
+   if opts.file:
+       save_records_to_file(opts.file, list)
+   return
+
+# show named registry record
+def show(opts, args):
+   global registry
+   user_cred = get_user_cred()
+   records = registry.resolve(user_cred, args[0])
+   records = filter_records(opts.type, records)
+   if not records:
+      print "No record of type", opts.type
+   display_records(records)
+   if opts.file:
+       save_records_to_file(opts.file, records)
+   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()
+   return registry.remove(auth_cred, opts.type, args[0])
+
+def creategid(opts, args):
+   global registry
+   auth_cred = get_auth_cred()
+   hrn = args[0]
+   pkey_string = load_publickey_string(args[1])
+   gid = registry.create_gid(auth_cred, hrn, create_uuid(), pkey_string)
+   if (opts.file is not None):
+      gid.save_to_file(opts.file, save_parents=True)
+   else:
+      print "I created your gid, but you did not ask me to save it"
+
+# add named registry record
+def add(opts, args):
+   global registry
+   auth_cred = get_auth_cred()
+   rec_file = get_record_file(args[0])
+   record = load_record_from_file(rec_file)
+   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[0])
+   record = load_record_from_file(rec_file)
+
+   if record.get_type() == "user":
+       cred = user_cred
+   elif record.get_type() in ["sa", "ma", "slice", "node"]:
+       cred = get_auth_cred()
+   else:
+       raise "unknown record type" + record.get_type()
+
+   return registry.update(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)
+   if (opts.file is not None):
+      save_rspec_to_file(opts.file, 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_slice_resources(slice_cred, args[0])
+   display_rspec(opts.format, result)
+   if (opts.file is not None):
+      save_rspec_to_file(opts.file, 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.create_slice(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, Save, and Filter RSpecs and Records
+#   - to be replace by EMF-generated routines
+#
+#
+
+def display_rspec(format, rspec):
+   print "display rspec"
+   return
+
+def save_rspec_to_file(file, rspec):
+   print "save rspec"
+   return
+
+def display_records(recordList):
+   for record in recordList:
+      display_record(record)
+
+def display_record(record):
+   record.dump(False)
+   return
+
+def filter_records(type, records):
+   filtered_records = []
+   for record in records:
+       if (record.get_type() == type) or (type == "all"):
+           filtered_records.append(record)
+   return filtered_records
+
+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_record_to_file(filename, record):
+   print "saving record", record.name, "to file", filename
+   str = record.save_to_string()
+   file(filename, "w").write(str)
+   return
+
+def load_record_from_file(filename):
+   str = file(filename, "r").read()
+   record = GeniRecord(string=str)
+   return record
+
 if __name__=="__main__":
    main()