authorities can also have a 'name' for standalone deployments
[sfa.git] / sfa / client / sfi.py
index 3e632b4..31b8a05 100644 (file)
@@ -31,6 +31,7 @@ from sfa.util.xrn import get_leaf, get_authority, hrn_to_urn, Xrn
 from sfa.util.config import Config
 from sfa.util.version import version_core
 from sfa.util.cache import Cache
+from sfa.util.printable import printable
 
 from sfa.storage.record import Record
 
@@ -43,6 +44,7 @@ from sfa.client.sfaserverproxy import SfaServerProxy, ServerException
 from sfa.client.client_helper import pg_users_arg, sfa_users_arg
 from sfa.client.return_value import ReturnValue
 from sfa.client.candidates import Candidates
+from sfa.client.manifolduploader import ManifoldUploader
 
 CM_PORT=12346
 
@@ -94,14 +96,14 @@ def filter_records(type, records):
 
 
 def credential_printable (cred):
-    credential=Credential(cred=cred)
+    credential = Credential(cred=cred)
     result=""
-    result += credential.get_summary_tostring()
+    result += credential.pretty_cred()
     result += "\n"
     rights = credential.get_privileges()
     result += "type=%s\n" % credential.type    
     result += "version=%s\n" % credential.version    
-    result += "rights=%s\n"%rights
+    result += "rights=%s\n" % rights
     return result
 
 def show_credentials (cred_s):
@@ -137,7 +139,7 @@ def save_rspec_to_file(rspec, filename):
     if not filename.endswith(".rspec"):
         filename = filename + ".rspec"
     f = open(filename, 'w')
-    f.write(rspec)
+    f.write("%s"%rspec)
     f.close()
     return
 
@@ -199,15 +201,18 @@ def load_record_from_opts(options):
             pubkey = options.key
         if not check_ssh_key (pubkey):
             raise SfaInvalidArgument(name='key',msg="Could not find file, or wrong key format")
-        record_dict['keys'] = [pubkey]
+        record_dict['reg-keys'] = [pubkey]
     if hasattr(options, 'slices') and options.slices:
         record_dict['slices'] = options.slices
-    if hasattr(options, 'researchers') and options.researchers:
-        record_dict['researcher'] = options.researchers
+    if hasattr(options, 'reg_researchers') and options.reg_researchers is not None:
+        record_dict['reg-researchers'] = options.reg_researchers
     if hasattr(options, 'email') and options.email:
         record_dict['email'] = options.email
-    if hasattr(options, 'pis') and options.pis:
-        record_dict['pi'] = options.pis
+    # authorities can have a name for standalone deployment
+    if hasattr(options, 'name') and options.name:
+        record_dict['name'] = options.name
+    if hasattr(options, 'reg_pis') and options.reg_pis:
+        record_dict['reg-pis'] = options.reg_pis
 
     # handle extra settings
     record_dict.update(options.extras)
@@ -224,6 +229,47 @@ def load_record_from_file(filename):
 import uuid
 def unique_call_id(): return uuid.uuid4().urn
 
+########## a simple model for maintaing 3 doc attributes per command (instead of just one)
+# essentially for the methods that implement a subcommand like sfi list
+# we need to keep track of
+# (*) doc         a few lines that tell what it does, still located in __doc__
+# (*) args_string a simple one-liner that describes mandatory arguments
+# (*) example     well, one or several releant examples
+# 
+# since __doc__ only accounts for one, we use this simple mechanism below
+# however we keep doc in place for easier migration
+
+from functools import wraps
+
+# we use a list as well as a dict so we can keep track of the order
+commands_list=[]
+commands_dict={}
+
+def declare_command (args_string, example,aliases=None):
+    def wrap(m): 
+        name=getattr(m,'__name__')
+        doc=getattr(m,'__doc__',"-- missing doc --")
+        doc=doc.strip(" \t\n")
+        commands_list.append(name)
+        # last item is 'canonical' name, so we can know which commands are aliases
+        command_tuple=(doc, args_string, example,name)
+        commands_dict[name]=command_tuple
+        if aliases is not None:
+            for alias in aliases:
+                commands_list.append(alias)
+                commands_dict[alias]=command_tuple
+        @wraps(m)
+        def new_method (*args, **kwds): return m(*args, **kwds)
+        return new_method
+    return wrap
+
+
+def remove_none_fields (record):
+    none_fields=[ k for (k,v) in record.items() if v is None ]
+    for k in none_fields: del record[k]
+
+##########
+
 class Sfi:
     
     # dirty hack to make this class usable from the outside
@@ -251,86 +297,151 @@ class Sfi:
         self.authority = None
         self.logger = sfi_logger
         self.logger.enable_console()
-        self.available_names = [ tuple[0] for tuple in Sfi.available ]
-        self.available_dict = dict (Sfi.available)
-   
-    # tuples command-name expected-args in the order in which they should appear in the help
-    available = [ 
-        ("version", ""),  
-        ("list", "authority"),
-        ("show", "name"),
-        ("add", "[record]"),
-        ("update", "[record]"),
-        ("remove", "name"),
-        ("resources", ""),
-        ("describe", "slice_hrn"),
-        ("allocate", "slice_hrn rspec"),
-        ("provision", "slice_hrn"),
-        ("action", "slice_hrn action"), 
-        ("delete", "slice_hrn"),
-        ("status", "slice_hrn"),
-        ("renew", "slice_hrn time"),
-        ("shutdown", "slice_hrn"),
-        ("delegate", "to_hrn"),
-        ("gid", "[name]"),
-        ("trusted", "cred"),
-        ("config", ""),
-        ]
-
-    def print_command_help (self, options):
+        ### various auxiliary material that we keep at hand 
+        self.command=None
+        # need to call this other than just 'config' as we have a command/method with that name
+        self.config_instance=None
+        self.config_file=None
+        self.client_bootstrap=None
+
+    ### suitable if no reasonable command has been provided
+    def print_commands_help (self, options):
         verbose=getattr(options,'verbose')
-        format3="%18s %-15s %s"
+        format3="%10s %-35s %s"
+        format3offset=47
         line=80*'-'
         if not verbose:
             print format3%("command","cmd_args","description")
             print line
         else:
             print line
-            self.create_parser().print_help()
-        for command in self.available_names:
-            args=self.available_dict[command]
-            method=getattr(self,command,None)
-            doc=""
-            if method: doc=getattr(method,'__doc__',"")
-            if not doc: doc="*** no doc found ***"
-            doc=doc.strip(" \t\n")
-            doc=doc.replace("\n","\n"+35*' ')
+            self.create_parser_global().print_help()
+        # preserve order from the code
+        for command in commands_list:
+            try:
+                (doc, args_string, example, canonical) = commands_dict[command]
+            except:
+                print "Cannot find info on command %s - skipped"%command
+                continue
             if verbose:
                 print line
-            print format3%(command,args,doc)
-            if verbose:
-                self.create_command_parser(command).print_help()
+            if command==canonical:
+                doc=doc.replace("\n","\n"+format3offset*' ')
+                print format3%(command,args_string,doc)
+                if verbose:
+                    self.create_parser_command(command).print_help()
+            else:
+                print format3%(command,"<<alias for %s>>"%canonical,"")
+            
+    ### now if a known command was found we can be more verbose on that one
+    def print_help (self):
+        print "==================== Generic sfi usage"
+        self.sfi_parser.print_help()
+        (doc,_,example,canonical)=commands_dict[self.command]
+        if canonical != self.command:
+            print "\n==================== NOTE: %s is an alias for genuine %s"%(self.command,canonical)
+            self.command=canonical
+        print "\n==================== Purpose of %s"%self.command
+        print doc
+        print "\n==================== Specific usage for %s"%self.command
+        self.command_parser.print_help()
+        if example:
+            print "\n==================== %s example(s)"%self.command
+            print example
+
+    def create_parser_global(self):
+        # Generate command line parser
+        parser = OptionParser(add_help_option=False,
+                              usage="sfi [sfi_options] command [cmd_options] [cmd_args]",
+                              description="Commands: %s"%(" ".join(commands_list)))
+        parser.add_option("-r", "--registry", dest="registry",
+                         help="root registry", metavar="URL", default=None)
+        parser.add_option("-s", "--sliceapi", dest="sm", default=None, metavar="URL",
+                         help="slice API - in general a SM URL, but can be used to talk to an aggregate")
+        parser.add_option("-R", "--raw", dest="raw", default=None,
+                          help="Save raw, unparsed server response to a file")
+        parser.add_option("", "--rawformat", dest="rawformat", type="choice",
+                          help="raw file format ([text]|pickled|json)", default="text",
+                          choices=("text","pickled","json"))
+        parser.add_option("", "--rawbanner", dest="rawbanner", default=None,
+                          help="text string to write before and after raw output")
+        parser.add_option("-d", "--dir", dest="sfi_dir",
+                         help="config & working directory - default is %default",
+                         metavar="PATH", default=Sfi.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="count", dest="verbose", default=0,
+                         help="verbose mode - cumulative")
+        parser.add_option("-D", "--debug",
+                          action="store_true", dest="debug", default=False,
+                          help="Debug (xml-rpc) protocol messages")
+        # would it make sense to use ~/.ssh/id_rsa as a default here ?
+        parser.add_option("-k", "--private-key",
+                         action="store", dest="user_private_key", default=None,
+                         help="point to the private key file to use if not yet installed in sfi_dir")
+        parser.add_option("-t", "--timeout", dest="timeout", default=None,
+                         help="Amout of time to wait before timing out the request")
+        parser.add_option("-h", "--help", 
+                         action="store_true", dest="help", default=False,
+                         help="one page summary on commands & exit")
+        parser.disable_interspersed_args()
+
+        return parser
+        
 
-    def create_command_parser(self, command):
-        if command not in self.available_dict:
+    def create_parser_command(self, command):
+        if command not in commands_dict:
             msg="Invalid command\n"
             msg+="Commands: "
-            msg += ','.join(self.available_names)            
+            msg += ','.join(commands_list)            
             self.logger.critical(msg)
             sys.exit(2)
 
-        parser = OptionParser(usage="sfi [sfi_options] %s [cmd_options] %s" \
-                                     % (command, self.available_dict[command]))
+        # retrieve args_string
+        (_, args_string, __,canonical) = commands_dict[command]
+
+        parser = OptionParser(add_help_option=False,
+                              usage="sfi [sfi_options] %s [cmd_options] %s"
+                              % (command, args_string))
+        parser.add_option ("-h","--help",dest='help',action='store_true',default=False,
+                           help="Summary of one command usage")
+
+        if canonical in ("config"):
+            parser.add_option('-m', '--myslice', dest='myslice', action='store_true', default=False,
+                              help='how myslice config variables as well')
+
+        if canonical in ("version"):
+            parser.add_option("-l","--local",
+                              action="store_true", dest="version_local", default=False,
+                              help="display version of the local client")
+
+        if canonical in ("version", "trusted"):
+            parser.add_option("-R","--registry_interface",
+                              action="store_true", dest="registry_interface", default=False,
+                              help="target the registry interface instead of slice interface")
 
-        if command in ("add", "update"):
+        if canonical in ("register", "update"):
             parser.add_option('-x', '--xrn', dest='xrn', metavar='<xrn>', help='object hrn/urn (mandatory)')
             parser.add_option('-t', '--type', dest='type', metavar='<type>', help='object type', default=None)
             parser.add_option('-e', '--email', dest='email', default="",  help="email (mandatory for users)") 
+            parser.add_option('-n', '--name', dest='name', default="",  help="name (optional for authorities)") 
             parser.add_option('-k', '--key', dest='key', metavar='<key>', help='public key string or file', 
                               default=None)
             parser.add_option('-s', '--slices', dest='slices', metavar='<slices>', help='Set/replace slice xrns',
                               default='', type="str", action='callback', callback=optparse_listvalue_callback)
-            parser.add_option('-r', '--researchers', dest='researchers', metavar='<researchers>', 
-                              help='Set/replace slice researchers', default='', type="str", action='callback', 
+            parser.add_option('-r', '--researchers', dest='reg_researchers', metavar='<researchers>', 
+                              help='Set/replace slice researchers - use -r none to reset', default=None, type="str", action='callback', 
                               callback=optparse_listvalue_callback)
-            parser.add_option('-p', '--pis', dest='pis', metavar='<PIs>', help='Set/replace Principal Investigators/Project Managers',
+            parser.add_option('-p', '--pis', dest='reg_pis', metavar='<PIs>', help='Set/replace Principal Investigators/Project Managers',
                               default='', type="str", action='callback', callback=optparse_listvalue_callback)
             parser.add_option ('-X','--extra',dest='extras',default={},type='str',metavar="<EXTRA_ASSIGNS>",
                                action="callback", callback=optparse_dictvalue_callback, nargs=1,
                                help="set extra/testbed-dependent flags, e.g. --extra enabled=true")
 
         # user specifies remote aggregate/sm/component                          
-        if command in ("resources", "describe", "allocate", "provision", "delete", "allocate", "provision", 
+        if canonical in ("resources", "describe", "allocate", "provision", "delete", "allocate", "provision", 
                        "action", "shutdown", "renew", "status"):
             parser.add_option("-d", "--delegate", dest="delegate", default=None, 
                              action="store_true",
@@ -338,21 +449,26 @@ class Sfi:
                                   "authority in set of credentials for this call")
 
         # show_credential option
-        if command in ("list","resources", "describe", "provision", "allocate", "add","update","remove","slices","delete","status","renew"):
+        if canonical in ("list","resources", "describe", "provision", "allocate", "register","update","remove","delete","status","renew"):
             parser.add_option("-C","--credential",dest='show_credential',action='store_true',default=False,
                               help="show credential(s) used in human-readable form")
+        if canonical in ("renew"):
+            parser.add_option("-l","--as-long-as-possible",dest='alap',action='store_true',default=False,
+                              help="renew as long as possible")
         # registy filter option
-        if command in ("list", "show", "remove"):
+        if canonical in ("list", "show", "remove"):
             parser.add_option("-t", "--type", dest="type", type="choice",
                             help="type filter ([all]|user|slice|authority|node|aggregate)",
                             choices=("all", "user", "slice", "authority", "node", "aggregate"),
                             default="all")
-        if command in ("show"):
+        if canonical in ("show"):
             parser.add_option("-k","--key",dest="keys",action="append",default=[],
                               help="specify specific keys to be displayed from record")
-        if command in ("resources", "describe"):
+            parser.add_option("-n","--no-details",dest="no_details",action="store_true",default=False,
+                              help="call Resolve without the 'details' option")
+        if canonical in ("resources", "describe"):
             # rspec version
-            parser.add_option("-r", "--rspec-version", dest="rspec_version", default="SFA 1",
+            parser.add_option("-r", "--rspec-version", dest="rspec_version", default="GENI 3",
                               help="schema type and version of resulting RSpec")
             # disable/enable cached rspecs
             parser.add_option("-c", "--current", dest="current", default=False,
@@ -371,11 +487,11 @@ class Sfi:
                                 choices=("all", "resources", "leases"), default="resources")
 
 
-        if command in ("resources", "describe", "allocate", "provision", "show", "list", "gid"):
+        if canonical in ("resources", "describe", "allocate", "provision", "show", "list", "gid"):
            parser.add_option("-o", "--output", dest="file",
                             help="output XML to file", metavar="FILE", default=None)
 
-        if command in ("show", "list"):
+        if canonical in ("show", "list"):
            parser.add_option("-f", "--format", dest="format", type="choice",
                              help="display format ([text]|xml)", default="text",
                              choices=("text", "xml"))
@@ -383,12 +499,12 @@ class Sfi:
            parser.add_option("-F", "--fileformat", dest="fileformat", type="choice",
                              help="output file format ([xml]|xmllist|hrnlist)", default="xml",
                              choices=("xml", "xmllist", "hrnlist"))
-        if command == 'list':
+        if canonical == 'list':
            parser.add_option("-r", "--recursive", dest="recursive", action='store_true',
                              help="list all child records", default=False)
            parser.add_option("-v", "--verbose", dest="verbose", action='store_true',
                              help="gives details, like user keys", default=False)
-        if command in ("delegate"):
+        if canonical in ("delegate"):
            parser.add_option("-u", "--user",
                              action="store_true", dest="delegate_user", default=False,
                              help="delegate your own credentials; default if no other option is provided")
@@ -396,87 +512,42 @@ class Sfi:
                              metavar="slice_hrn", help="delegate cred. for slice HRN")
            parser.add_option("-a", "--auths", dest='delegate_auths',action='append',default=[],
                              metavar='auth_hrn', help="delegate cred for auth HRN")
-           # this primarily is a shorthand for -a my_hrn^
+           # this primarily is a shorthand for -A my_hrn^
            parser.add_option("-p", "--pi", dest='delegate_pi', default=None, action='store_true',
-                             help="delegate your PI credentials, so s.t. like -a your_hrn^")
+                             help="delegate your PI credentials, so s.t. like -A your_hrn^")
            parser.add_option("-A","--to-authority",dest='delegate_to_authority',action='store_true',default=False,
                              help="""by default the mandatory argument is expected to be a user, 
 use this if you mean an authority instead""")
-        
-        if command in ("version"):
-            parser.add_option("-R","--registry-version",
-                              action="store_true", dest="version_registry", default=False,
-                              help="probe registry version instead of sliceapi")
-            parser.add_option("-l","--local",
-                              action="store_true", dest="version_local", default=False,
-                              help="display version of the local client")
-
-        return parser
 
+        if canonical in ("myslice"):
+            parser.add_option("-p","--password",dest='password',action='store',default=None,
+                              help="specify mainfold password on the command line")
+            parser.add_option("-s", "--slice", dest="delegate_slices",action='append',default=[],
+                             metavar="slice_hrn", help="delegate cred. for slice HRN")
+            parser.add_option("-a", "--auths", dest='delegate_auths',action='append',default=[],
+                             metavar='auth_hrn', help="delegate PI cred for auth HRN")
+            parser.add_option('-d', '--delegate', dest='delegate', help="Override 'delegate' from the config file")
+            parser.add_option('-b', '--backend',  dest='backend',  help="Override 'backend' from the config file")
         
-    def create_parser(self):
-
-        # Generate command line parser
-        parser = OptionParser(usage="sfi [sfi_options] command [cmd_options] [cmd_args]",
-                             description="Commands: %s"%(" ".join(self.available_names)))
-        parser.add_option("-r", "--registry", dest="registry",
-                         help="root registry", metavar="URL", default=None)
-        parser.add_option("-s", "--sliceapi", dest="sm", default=None, metavar="URL",
-                         help="slice API - in general a SM URL, but can be used to talk to an aggregate")
-        parser.add_option("-R", "--raw", dest="raw", default=None,
-                          help="Save raw, unparsed server response to a file")
-        parser.add_option("", "--rawformat", dest="rawformat", type="choice",
-                          help="raw file format ([text]|pickled|json)", default="text",
-                          choices=("text","pickled","json"))
-        parser.add_option("", "--rawbanner", dest="rawbanner", default=None,
-                          help="text string to write before and after raw output")
-        parser.add_option("-d", "--dir", dest="sfi_dir",
-                         help="config & working directory - default is %default",
-                         metavar="PATH", default=Sfi.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="count", dest="verbose", default=0,
-                         help="verbose mode - cumulative")
-        parser.add_option("-D", "--debug",
-                          action="store_true", dest="debug", default=False,
-                          help="Debug (xml-rpc) protocol messages")
-        # would it make sense to use ~/.ssh/id_rsa as a default here ?
-        parser.add_option("-k", "--private-key",
-                         action="store", dest="user_private_key", default=None,
-                         help="point to the private key file to use if not yet installed in sfi_dir")
-        parser.add_option("-t", "--timeout", dest="timeout", default=None,
-                         help="Amout of time to wait before timing out the request")
-        parser.add_option("-?", "--commands", 
-                         action="store_true", dest="command_help", default=False,
-                         help="one page summary on commands & exit")
-        parser.disable_interspersed_args()
-
         return parser
-        
-
-    def print_help (self):
-        print "==================== Generic sfi usage"
-        self.sfi_parser.print_help()
-        print "==================== Specific command usage"
-        self.command_parser.print_help()
 
+        
     #
     # Main: parse arguments and dispatch to command
     #
     def dispatch(self, command, command_options, command_args):
-        method=getattr(self, command,None)
+        (doc, args_string, example, canonical) = commands_dict[command]
+        method=getattr(self, canonical, None)
         if not method:
-            print "Unknown command %s"%command
-            return
+            print "sfi: unknown command %s"%command
+            raise SystemExit,"Unknown command %s"%command
         return method(command_options, command_args)
 
     def main(self):
-        self.sfi_parser = self.create_parser()
+        self.sfi_parser = self.create_parser_global()
         (options, args) = self.sfi_parser.parse_args()
-        if options.command_help: 
-            self.print_command_help(options)
+        if options.help: 
+            self.print_commands_help(options)
             sys.exit(1)
         self.options = options
 
@@ -484,32 +555,37 @@ use this if you mean an authority instead""")
 
         if len(args) <= 0:
             self.logger.critical("No command given. Use -h for help.")
-            self.print_command_help(options)
+            self.print_commands_help(options)
             return -1
     
         # complete / find unique match with command set
-        command_candidates = Candidates (self.available_names)
+        command_candidates = Candidates (commands_list)
         input = args[0]
         command = command_candidates.only_match(input)
         if not command:
-            self.print_command_help(options)
+            self.print_commands_help(options)
             sys.exit(1)
         # second pass options parsing
-        self.command_parser = self.create_command_parser(command)
+        self.command=command
+        self.command_parser = self.create_parser_command(command)
         (command_options, command_args) = self.command_parser.parse_args(args[1:])
+        if command_options.help:
+            self.print_help()
+            sys.exit(1)
         self.command_options = command_options
 
         self.read_config () 
         self.bootstrap ()
-        self.logger.debug("Command=%s" % command)
+        self.logger.debug("Command=%s" % self.command)
 
         try:
-            self.dispatch(command, command_options, command_args)
+            retcod = self.dispatch(command, command_options, command_args)
+        except SystemExit:
+            return 1
         except:
             self.logger.log_exc ("sfi command %s failed"%command)
-            sys.exit(1)
-
-        return
+            return 1
+        return retcod
     
     ####################
     def read_config(self):
@@ -525,7 +601,11 @@ use this if you mean an authority instead""")
                 # we need to preload the sections we want parsed 
                 # from the shell config
                 config.add_section('sfi')
+                # sface users should be able to use this same file to configure their stuff
                 config.add_section('sface')
+                # manifold users should be able to specify the details 
+                # of their backend server here for 'sfi myslice'
+                config.add_section('myslice')
                 config.load(config_file)
                 # back up old config
                 shutil.move(config_file, shell_config_file)
@@ -541,6 +621,7 @@ use this if you mean an authority instead""")
                 self.logger.log_exc("Could not read config file %s"%config_file)
             sys.exit(1)
      
+        self.config_instance=config
         errors = 0
         # Set SliceMgr URL
         if (self.options.sm is not None):
@@ -582,17 +663,6 @@ use this if you mean an authority instead""")
         if errors:
            sys.exit(1)
 
-    def show_config (self):
-        print "From configuration file %s"%self.config_file
-        flags=[ 
-            ('SFI_USER','user'),
-            ('SFI_AUTH','authority'),
-            ('SFI_SM','sm_url'),
-            ('SFI_REGISTRY','reg_url'),
-            ]
-        for (external_name, internal_name) in flags:
-            print "%s='%s'"%(external_name,getattr(self,internal_name))
-
     #
     # Get various credential and spec files
     #
@@ -608,6 +678,8 @@ use this if you mean an authority instead""")
     
     # init self-signed cert, user credentials and gid
     def bootstrap (self):
+        if self.options.verbose:
+            self.logger.info("Initializing SfaClientBootstrap with {}".format(self.reg_url))
         client_bootstrap = SfaClientBootstrap (self.user, self.reg_url, self.options.sfi_dir,
                                                logger=self.logger)
         # if -k is provided, use this to initialize private key
@@ -633,7 +705,7 @@ use this if you mean an authority instead""")
         self.private_key = client_bootstrap.private_key()
         self.my_credential_string = client_bootstrap.my_credential_string ()
         self.my_credential = {'geni_type': 'geni_sfa',
-                              'geni_version': '3.0', 
+                              'geni_version': '3', 
                               'geni_value': self.my_credential_string}
         self.my_gid = client_bootstrap.my_gid ()
         self.client_bootstrap = client_bootstrap
@@ -653,7 +725,7 @@ use this if you mean an authority instead""")
 
     def slice_credential(self, name):
         return {'geni_type': 'geni_sfa',
-                'geni_version': '3.0',
+                'geni_version': '3',
                 'geni_value': self.slice_credential_string(name)}    
 
     # xxx should be supported by sfaclientbootstrap as well
@@ -803,21 +875,60 @@ use this if you mean an authority instead""")
           sys.exit(1)
 
 
+    # helper function to analyze raw output
+    # for main : return 0 if everything is fine, something else otherwise (mostly 1 for now)
+    def success (self, raw):
+        return_value=ReturnValue (raw)
+        output=ReturnValue.get_output(return_value)
+        # means everything is fine
+        if not output: 
+            return 0
+        # something went wrong
+        print 'ERROR:',output
+        return 1
+
     #==========================================================================
     # Following functions implement the commands
     #
     # Registry-related commands
     #==========================================================================
 
+    @declare_command("","")
+    def config (self, options, args):
+        "Display contents of current config"
+        print "# From configuration file %s"%self.config_file
+        flags=[ ('sfi', [ ('registry','reg_url'),
+                          ('auth','authority'),
+                          ('user','user'),
+                          ('sm','sm_url'),
+                          ]),
+                ]
+        if options.myslice:
+            flags.append ( ('myslice', ['backend', 'delegate', 'platform', 'username'] ) )
+
+        for (section, tuples) in flags:
+            print "[%s]"%section
+            try:
+                for (external_name, internal_name) in tuples:
+                    print "%-20s = %s"%(external_name,getattr(self,internal_name))
+            except:
+                for name in tuples:
+                    varname="%s_%s"%(section.upper(),name.upper())
+                    value=getattr(self.config_instance,varname)
+                    print "%-20s = %s"%(name,value)
+        # xxx should analyze result
+        return 0
+
+    @declare_command("","")
     def version(self, options, args):
         """
         display an SFA server version (GetVersion)
-or version information about sfi itself
+    or version information about sfi itself
         """
         if options.version_local:
             version=version_core()
         else:
-            if options.version_registry:
+            if options.registry_interface:
                 server=self.registry()
             else:
                 server = self.sliceapi()
@@ -828,7 +939,10 @@ or version information about sfi itself
         else:
             pprinter = PrettyPrinter(indent=4)
             pprinter.pprint(version)
+        # xxx should analyze result
+        return 0
 
+    @declare_command("authority","")
     def list(self, options, args):
         """
         list entries in named authority registry (List)
@@ -854,8 +968,10 @@ or version information about sfi itself
         terminal_render (list, options)
         if options.file:
             save_records_to_file(options.file, list, options.fileformat)
-        return
+        # xxx should analyze result
+        return 0
     
+    @declare_command("name","")
     def show(self, options, args):
         """
         show details about named registry record (Resolve)
@@ -865,7 +981,9 @@ or version information about sfi itself
             sys.exit(1)
         hrn = args[0]
         # explicitly require Resolve to run in details mode
-        record_dicts = self.registry().Resolve(hrn, self.my_credential_string, {'details':True})
+        resolve_options={}
+        if not options.no_details: resolve_options['details']=True
+        record_dicts = self.registry().Resolve(hrn, self.my_credential_string, resolve_options)
         record_dicts = filter_records(options.type, record_dicts)
         if not record_dicts:
             self.logger.error("No record of type %s"% options.type)
@@ -885,10 +1003,16 @@ or version information about sfi itself
             else:                               print record.save_as_xml() 
         if options.file:
             save_records_to_file(options.file, record_dicts, options.fileformat)
-        return
+        # xxx should analyze result
+        return 0
     
-    def add(self, options, args):
-        "add record into registry by using the command options (Recommended) or from xml file (Register)"
+    # this historically was named 'add', it is now 'register' with an alias for legacy
+    @declare_command("[xml-filename]","",['add'])
+    def register(self, options, args):
+        """create new record in registry (Register) 
+    from command line options (recommended) 
+    old-school method involving an xml file still supported"""
+
         auth_cred = self.my_authority_credential_string()
         if options.show_credential:
             show_credentials(auth_cred)
@@ -917,10 +1041,17 @@ or version information about sfi itself
                 record_dict['first_name'] = record_dict['hrn']
             if 'last_name' not in record_dict:
                 record_dict['last_name'] = record_dict['hrn'] 
-        return self.registry().Register(record_dict, auth_cred)
+        register = self.registry().Register(record_dict, auth_cred)
+        # xxx looks like the result here is not ReturnValue-compatible
+        #return self.success (register)
+        # xxx should analyze result
+        return 0
     
+    @declare_command("[xml-filename]","")
     def update(self, options, args):
-        "update record into registry by using the command options (Recommended) or from xml file (Update)"
+        """update record into registry (Update) 
+    from command line options (recommended) 
+    old-school method involving an xml file still supported"""
         record_dict = {}
         if len(args) > 0:
             record_filepath = args[0]
@@ -935,12 +1066,12 @@ or version information about sfi itself
 
         # don't translate into an object, as this would possibly distort
         # user-provided data; e.g. add an 'email' field to Users
-        if record_dict['type'] == "user":
+        if record_dict['type'] in ['user']:
             if record_dict['hrn'] == self.user:
                 cred = self.my_credential_string
             else:
                 cred = self.my_authority_credential_string()
-        elif record_dict['type'] in ["slice"]:
+        elif record_dict['type'] in ['slice']:
             try:
                 cred = self.slice_credential_string(record_dict['hrn'])
             except ServerException, e:
@@ -950,16 +1081,21 @@ or version information about sfi itself
                    cred = self.my_authority_credential_string()
                else:
                    raise
-        elif record_dict['type'] in ["authority"]:
+        elif record_dict['type'] in ['authority']:
             cred = self.my_authority_credential_string()
-        elif record_dict['type'] == 'node':
+        elif record_dict['type'] in ['node']:
             cred = self.my_authority_credential_string()
         else:
             raise "unknown record type" + record_dict['type']
         if options.show_credential:
             show_credentials(cred)
-        return self.registry().Update(record_dict, cred)
+        update = self.registry().Update(record_dict, cred)
+        # xxx looks like the result here is not ReturnValue-compatible
+        #return self.success(update)
+        # xxx should analyze result
+        return 0
   
+    @declare_command("hrn","")
     def remove(self, options, args):
         "remove registry record by name (Remove)"
         auth_cred = self.my_authority_credential_string()
@@ -972,31 +1108,18 @@ or version information about sfi itself
             type = '*'
         if options.show_credential:
             show_credentials(auth_cred)
-        return self.registry().Remove(hrn, auth_cred, type)
+        remove = self.registry().Remove(hrn, auth_cred, type)
+        # xxx looks like the result here is not ReturnValue-compatible
+        #return self.success (remove)
+        # xxx should analyze result
+        return 0
     
     # ==================================================================
     # Slice-related commands
     # ==================================================================
 
-    def slices(self, options, args):
-        "list instantiated slices (ListSlices) - returns urn's"
-        server = self.sliceapi()
-        # creds
-        creds = [self.my_credential_string]
-        # options and call_id when supported
-        api_options = {}
-        api_options['call_id']=unique_call_id()
-        if options.show_credential:
-            show_credentials(creds)
-        result = server.ListSlices(creds, *self.ois(server,api_options))
-        value = ReturnValue.get_value(result)
-        if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
-        else:
-            display_list(value)
-        return
-
     # show rspec for named slice
+    @declare_command("","")
     def resources(self, options, args):
         """
         discover available resources (ListResources)
@@ -1033,23 +1156,24 @@ or version information about sfi itself
                 # just request the version the client wants
                 api_options['geni_rspec_version'] = version_manager.get_version(options.rspec_version).to_dict()
             else:
-                api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3.0'}
+                api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3'}
         else:
-            api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3.0'}
-        result = server.ListResources (creds, api_options)
-        value = ReturnValue.get_value(result)
+            api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3'}
+        list_resources = server.ListResources (creds, api_options)
+        value = ReturnValue.get_value(list_resources)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(list_resources, self.options.raw, self.options.rawformat, self.options.rawbanner)
         if options.file is not None:
             save_rspec_to_file(value, options.file)
         if (self.options.raw is None) and (options.file is None):
             display_rspec(value, options.format)
+        return self.success(list_resources)
 
-        return
-
+    @declare_command("slice_hrn","")
     def describe(self, options, args):
         """
-        shows currently allocated/provisioned resources of the named slice or set of slivers (Describe) 
+        shows currently allocated/provisioned resources 
+    of the named slice or set of slivers (Describe) 
         """
         server = self.sliceapi()
 
@@ -1064,8 +1188,11 @@ or version information about sfi itself
                        'cached': True,
                        'info': options.info,
                        'list_leases': options.list_leases,
-                       'geni_rspec_version': {'type': 'geni', 'version': '3.0'},
+                       'geni_rspec_version': {'type': 'geni', 'version': '3'},
                       }
+        if options.info:
+            api_options['info'] = options.info
+
         if options.rspec_version:
             version_manager = VersionManager()
             server_version = self.get_cached_server_version(server)
@@ -1073,22 +1200,23 @@ or version information about sfi itself
                 # just request the version the client wants
                 api_options['geni_rspec_version'] = version_manager.get_version(options.rspec_version).to_dict()
             else:
-                api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3.0'}
-        urn = Xrn(args[0], type='slice').get_urn()        
-        result = server.Describe([urn], creds, api_options)
-        value = ReturnValue.get_value(result)
+                api_options['geni_rspec_version'] = {'type': 'geni', 'version': '3'}
+        urn = Xrn(args[0], type='slice').get_urn()
+        remove_none_fields(api_options) 
+        describe = server.Describe([urn], creds, api_options)
+        value = ReturnValue.get_value(describe)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(describe, self.options.raw, self.options.rawformat, self.options.rawbanner)
         if options.file is not None:
-            save_rspec_to_file(value, options.file)
+            save_rspec_to_file(value['geni_rspec'], options.file)
         if (self.options.raw is None) and (options.file is None):
-            display_rspec(value, options.format)
-
-        return 
+            display_rspec(value['geni_rspec'], options.format)
+        return self.success (describe)
 
+    @declare_command("slice_hrn [<sliver_urn>...]","")
     def delete(self, options, args):
         """
-        de-allocate and de-provision all or named slivers of the slice (Delete)
+        de-allocate and de-provision all or named slivers of the named slice (Delete)
         """
         server = self.sliceapi()
 
@@ -1096,6 +1224,13 @@ or version information about sfi itself
         slice_hrn = args[0]
         slice_urn = hrn_to_urn(slice_hrn, 'slice') 
 
+        if len(args) > 1:
+            # we have sliver urns
+            sliver_urns = args[1:]
+        else:
+            # we provision all the slivers of the slice
+            sliver_urns = [slice_urn]
+
         # creds
         slice_cred = self.slice_credential(slice_hrn)
         creds = [slice_cred]
@@ -1105,14 +1240,15 @@ or version information about sfi itself
         api_options ['call_id'] = unique_call_id()
         if options.show_credential:
             show_credentials(creds)
-        result = server.Delete([slice_urn], creds, *self.ois(server, api_options ) )
-        value = ReturnValue.get_value(result)
+        delete = server.Delete(sliver_urns, creds, *self.ois(server, api_options ) )
+        value = ReturnValue.get_value(delete)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(delete, self.options.raw, self.options.rawformat, self.options.rawbanner)
         else:
             print value
-        return value
+        return self.success (delete)
 
+    @declare_command("slice_hrn rspec","")
     def allocate(self, options, args):
         """
          allocate resources to the named slice (Allocate)
@@ -1143,26 +1279,47 @@ or version information about sfi itself
         rspec = open(rspec_file).read()
         api_options = {}
         api_options ['call_id'] = unique_call_id()
-        result = server.Allocate(slice_urn, creds, rspec, api_options)
-        value = ReturnValue.get_value(result)
+        # users
+        sfa_users = []
+        geni_users = []
+        slice_records = self.registry().Resolve(slice_urn, [self.my_credential_string])
+        remove_none_fields(slice_records[0])
+        if slice_records and 'reg-researchers' in slice_records[0] and slice_records[0]['reg-researchers']!=[]:
+            slice_record = slice_records[0]
+            user_hrns = slice_record['reg-researchers']
+            user_urns = [hrn_to_urn(hrn, 'user') for hrn in user_hrns]
+            user_records = self.registry().Resolve(user_urns, [self.my_credential_string])
+            sfa_users = sfa_users_arg(user_records, slice_record)
+            geni_users = pg_users_arg(user_records)
+
+        api_options['sfa_users'] = sfa_users
+        api_options['geni_users'] = geni_users
+
+        allocate = server.Allocate(slice_urn, creds, rspec, api_options)
+        value = ReturnValue.get_value(allocate)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(allocate, self.options.raw, self.options.rawformat, self.options.rawbanner)
         if options.file is not None:
-            save_rspec_to_file (value, options.file)
+            save_rspec_to_file (value['geni_rspec'], options.file)
         if (self.options.raw is None) and (options.file is None):
             print value
+        return self.success(allocate)
 
-        return value
-        
-
+    @declare_command("slice_hrn [<sliver_urn>...]","")
     def provision(self, options, args):
         """
-        provision already allocated resources of named slice (Provision)
+        provision all or named already allocated slivers of the named slice (Provision)
         """
         server = self.sliceapi()
         server_version = self.get_cached_server_version(server)
         slice_hrn = args[0]
         slice_urn = Xrn(slice_hrn, type='slice').get_urn()
+        if len(args) > 1:
+            # we have sliver urns
+            sliver_urns = args[1:]
+        else:
+            # we provision all the slivers of the slice
+            sliver_urns = [slice_urn]
 
         # credentials
         creds = [self.slice_credential(slice_hrn)]
@@ -1184,7 +1341,7 @@ or version information about sfi itself
 
         # set the requtested rspec version
         version_manager = VersionManager()
-        rspec_version = version_manager._get_version('geni', '3.0').to_dict()
+        rspec_version = version_manager._get_version('geni', '3').to_dict()
         api_options['geni_rspec_version'] = rspec_version
 
         # users
@@ -1195,27 +1352,28 @@ or version information about sfi itself
         #  }]
         users = []
         slice_records = self.registry().Resolve(slice_urn, [self.my_credential_string])
-        if slice_records and 'researcher' in slice_records[0] and slice_records[0]['researcher']!=[]:
+        if slice_records and 'reg-researchers' in slice_records[0] and slice_records[0]['reg-researchers']!=[]:
             slice_record = slice_records[0]
-            user_hrns = slice_record['researcher']
+            user_hrns = slice_record['reg-researchers']
             user_urns = [hrn_to_urn(hrn, 'user') for hrn in user_hrns]
             user_records = self.registry().Resolve(user_urns, [self.my_credential_string])
             users = pg_users_arg(user_records)
         
         api_options['geni_users'] = users
-        result = server.Provision([slice_urn], creds, api_options)
-        value = ReturnValue.get_value(result)
+        provision = server.Provision(sliver_urns, creds, api_options)
+        value = ReturnValue.get_value(provision)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(provision, self.options.raw, self.options.rawformat, self.options.rawbanner)
         if options.file is not None:
-            save_rspec_to_file (value, options.file)
+            save_rspec_to_file (value['geni_rspec'], options.file)
         if (self.options.raw is None) and (options.file is None):
             print value
-        return value     
+        return self.success(provision)
 
+    @declare_command("slice_hrn","")
     def status(self, options, args):
         """
-        retrieve the status of the slivers belonging to tne named slice (Status)
+        retrieve the status of the slivers belonging to the named slice (Status)
         """
         server = self.sliceapi()
 
@@ -1232,24 +1390,31 @@ or version information about sfi itself
         api_options['call_id']=unique_call_id()
         if options.show_credential:
             show_credentials(creds)
-        result = server.Status([slice_urn], creds, *self.ois(server,api_options))
-        value = ReturnValue.get_value(result)
+        status = server.Status([slice_urn], creds, *self.ois(server,api_options))
+        value = ReturnValue.get_value(status)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(status, self.options.raw, self.options.rawformat, self.options.rawbanner)
         else:
             print value
+        return self.success (status)
 
-    # reset named slice
+    @declare_command("slice_hrn [<sliver_urn>...] action","")
     def action(self, options, args):
         """
-        Perform the named operational action on the named slivers
+        Perform the named operational action on all or named slivers of the named slice
         """
         server = self.sliceapi()
         api_options = {}
         # slice urn
         slice_hrn = args[0]
-        action = args[1]
-        slice_urn = Xrn(slice_hrn, type='slice').get_urn() 
+        slice_urn = Xrn(slice_hrn, type='slice').get_urn()
+        if len(args) > 2:
+            # we have sliver urns
+            sliver_urns = args[1:-1]
+        else:
+            # we provision all the slivers of the slice
+            sliver_urns = [slice_urn]
+        action = args[-1]
         # cred
         slice_cred = self.slice_credential(args[0])
         creds = [slice_cred]
@@ -1257,25 +1422,39 @@ or version information about sfi itself
             delegated_cred = self.delegate_cred(slice_cred, get_authority(self.authority))
             creds.append(delegated_cred)
         
-        result = server.PerformOperationalAction([slice_urn], creds, action , api_options)
-        value = ReturnValue.get_value(result)
+        perform_action = server.PerformOperationalAction(sliver_urns, creds, action , api_options)
+        value = ReturnValue.get_value(perform_action)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(perform_action, self.options.raw, self.options.rawformat, self.options.rawbanner)
         else:
             print value
-        return value
-
+        return self.success (perform_action)
+
+    @declare_command("slice_hrn [<sliver_urn>...] time",
+                     "\n".join(["sfi renew onelab.ple.heartbeat 2015-04-31",
+                                "sfi renew onelab.ple.heartbeat 2015-04-31T14:00:00Z",
+                                "sfi renew onelab.ple.heartbeat +5d",
+                                "sfi renew onelab.ple.heartbeat +3w",
+                                "sfi renew onelab.ple.heartbeat +2m",]))
     def renew(self, options, args):
         """
-        renew slice (RenewSliver)
+        renew slice (Renew)
         """
         server = self.sliceapi()
-        if len(args) != 2:
+        if len(args) < 2:
             self.print_help()
             sys.exit(1)
-        [ slice_hrn, input_time ] = args
-        # slice urn    
-        slice_urn = hrn_to_urn(slice_hrn, 'slice') 
+        slice_hrn = args[0]
+        slice_urn = Xrn(slice_hrn, type='slice').get_urn()
+
+        if len(args) > 2:
+            # we have sliver urns
+            sliver_urns = args[1:-1]
+        else:
+            # we provision all the slivers of the slice
+            sliver_urns = [slice_urn]
+        input_time = args[-1]
+
         # time: don't try to be smart on the time format, server-side will
         # creds
         slice_cred = self.slice_credential(args[0])
@@ -1283,17 +1462,19 @@ or version information about sfi itself
         # options and call_id when supported
         api_options = {}
         api_options['call_id']=unique_call_id()
+        if options.alap:
+            api_options['geni_extend_alap']=True
         if options.show_credential:
             show_credentials(creds)
-        result =  server.Renew([slice_urn], creds, input_time, *self.ois(server,api_options))
-        value = ReturnValue.get_value(result)
+        renew =  server.Renew(sliver_urns, creds, input_time, *self.ois(server,api_options))
+        value = ReturnValue.get_value(renew)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(renew, self.options.raw, self.options.rawformat, self.options.rawbanner)
         else:
             print value
-        return value
-
+        return self.success(renew)
 
+    @declare_command("slice_hrn","")
     def shutdown(self, options, args):
         """
         shutdown named slice (Shutdown)
@@ -1305,15 +1486,15 @@ or version information about sfi itself
         # creds
         slice_cred = self.slice_credential(slice_hrn)
         creds = [slice_cred]
-        result = server.Shutdown(slice_urn, creds)
-        value = ReturnValue.get_value(result)
+        shutdown = server.Shutdown(slice_urn, creds)
+        value = ReturnValue.get_value(shutdown)
         if self.options.raw:
-            save_raw_to_file(result, self.options.raw, self.options.rawformat, self.options.rawbanner)
+            save_raw_to_file(shutdown, self.options.raw, self.options.rawformat, self.options.rawbanner)
         else:
             print value
-        return value         
-    
+        return self.success (shutdown)
 
+    @declare_command("[name]","")
     def gid(self, options, args):
         """
         Create a GID (CreateGid)
@@ -1330,11 +1511,28 @@ or version information about sfi itself
             filename = os.sep.join([self.options.sfi_dir, '%s.gid' % target_hrn])
         self.logger.info("writing %s gid to %s" % (target_hrn, filename))
         GID(string=gid).save_to_file(filename)
+        # xxx should analyze result
+        return 0
          
-
+    ####################
+    @declare_command("to_hrn","""$ sfi delegate -u -p -s ple.inria.heartbeat -s ple.inria.omftest ple.upmc.slicebrowser
+
+  will locally create a set of delegated credentials for the benefit of ple.upmc.slicebrowser
+  the set of credentials in the scope for this call would be
+  (*) ple.inria.thierry_parmentelat.user_for_ple.upmc.slicebrowser.user.cred
+      as per -u/--user
+  (*) ple.inria.pi_for_ple.upmc.slicebrowser.user.cred
+      as per -p/--pi
+  (*) ple.inria.heartbeat.slice_for_ple.upmc.slicebrowser.user.cred
+  (*) ple.inria.omftest.slice_for_ple.upmc.slicebrowser.user.cred
+      because of the two -s options
+
+""")
     def delegate (self, options, args):
         """
         (locally) create delegate credential for use by given hrn
+    make sure to check for 'sfi myslice' instead if you plan
+    on using MySlice
         """
         if len(args) != 1:
             self.print_help()
@@ -1378,18 +1576,166 @@ or version information about sfi itself
             delegated_credential.save_to_file(filename, save_parents=True)
             self.logger.info("delegated credential for %s to %s and wrote to %s"%(message,to_hrn,filename))
     
+    ####################
+    @declare_command("","""$ less +/myslice sfi_config
+[myslice]
+backend  = http://manifold.pl.sophia.inria.fr:7080
+# the HRN that myslice uses, so that we are delegating to
+delegate = ple.upmc.slicebrowser
+# platform - this is a myslice concept
+platform = ple
+# username - as of this writing (May 2013) a simple login name
+username = thierry
+
+$ sfi myslice
+  will first collect the slices that you are part of, then make sure
+  all your credentials are up-to-date (read: refresh expired ones)
+  then compute delegated credentials for user 'ple.upmc.slicebrowser'
+  and upload them all on myslice backend, using 'platform' and 'user'.
+  A password will be prompted for the upload part.
+
+$ sfi -v myslice  -- or sfi -vv myslice
+  same but with more and more verbosity
+
+$ sfi m -b http://mymanifold.foo.com:7080/
+  is synonym to sfi myslice as no other command starts with an 'm'
+  and uses a custom backend for this one call
+"""
+) # declare_command
+    def myslice (self, options, args):
+
+        """ This helper is for refreshing your credentials at myslice; it will
+    * compute all the slices that you currently have credentials on
+    * refresh all your credentials (you as a user and pi, your slices)
+    * upload them to the manifold backend server
+    for last phase, sfi_config is read to look for the [myslice] section, 
+    and namely the 'backend', 'delegate' and 'user' settings"""
+
+        ##########
+        if len(args)>0:
+            self.print_help()
+            sys.exit(1)
+        # enable info by default
+        self.logger.setLevelFromOptVerbose(self.options.verbose+1)
+        ### the rough sketch goes like this
+        # (0) produce a p12 file
+        self.client_bootstrap.my_pkcs12()
+
+        # (a) rain check for sufficient config in sfi_config
+        myslice_dict={}
+        myslice_keys=[ 'backend', 'delegate', 'platform', 'username']
+        for key in myslice_keys:
+            value=None
+            # oct 2013 - I'm finding myself juggling with config files
+            # so a couple of command-line options can now override config
+            if hasattr(options,key) and getattr(options,key) is not None:
+                value=getattr(options,key)
+            else:
+                full_key="MYSLICE_" + key.upper()
+                value=getattr(self.config_instance,full_key,None)
+            if value:   myslice_dict[key]=value
+            else:       print "Unsufficient config, missing key %s in [myslice] section of sfi_config"%key
+        if len(myslice_dict) != len(myslice_keys):
+            sys.exit(1)
+
+        # (b) figure whether we are PI for the authority where we belong
+        self.logger.info("Resolving our own id %s"%self.user)
+        my_records=self.registry().Resolve(self.user,self.my_credential_string)
+        if len(my_records)!=1: print "Cannot Resolve %s -- exiting"%self.user; sys.exit(1)
+        my_record=my_records[0]
+        my_auths_all = my_record['reg-pi-authorities']
+        self.logger.info("Found %d authorities that we are PI for"%len(my_auths_all))
+        self.logger.debug("They are %s"%(my_auths_all))
+        
+        my_auths = my_auths_all
+        if options.delegate_auths:
+            my_auths = list(set(my_auths_all).intersection(set(options.delegate_auths)))
+            self.logger.debug("Restricted to user-provided auths"%(my_auths))
+
+        # (c) get the set of slices that we are in
+        my_slices_all=my_record['reg-slices']
+        self.logger.info("Found %d slices that we are member of"%len(my_slices_all))
+        self.logger.debug("They are: %s"%(my_slices_all))
+        my_slices = my_slices_all
+        # if user provided slices, deal only with these - if they are found
+        if options.delegate_slices:
+            my_slices = list(set(my_slices_all).intersection(set(options.delegate_slices)))
+            self.logger.debug("Restricted to user-provided slices: %s"%(my_slices))
+
+        # (d) make sure we have *valid* credentials for all these
+        hrn_credentials=[]
+        hrn_credentials.append ( (self.user, 'user', self.my_credential_string,) )
+        for auth_hrn in my_auths:
+            hrn_credentials.append ( (auth_hrn, 'auth', self.authority_credential_string(auth_hrn),) )
+        for slice_hrn in my_slices:
+            hrn_credentials.append ( (slice_hrn, 'slice', self.slice_credential_string (slice_hrn),) )
+
+        # (e) check for the delegated version of these
+        # xxx todo add an option -a/-A? like for 'sfi delegate' for when we ever 
+        # switch to myslice using an authority instead of a user
+        delegatee_type='user'
+        delegatee_hrn=myslice_dict['delegate']
+        hrn_delegated_credentials = []
+        for (hrn, htype, credential) in hrn_credentials:
+            delegated_credential = self.client_bootstrap.delegate_credential_string (credential, delegatee_hrn, delegatee_type)
+            # save these so user can monitor what she's uploaded
+            filename = os.path.join ( self.options.sfi_dir,
+                                      "%s.%s_for_%s.%s.cred"%(hrn,htype,delegatee_hrn,delegatee_type))
+            with file(filename,'w') as f:
+                f.write(delegated_credential)
+            self.logger.debug("(Over)wrote %s"%filename)
+            hrn_delegated_credentials.append ((hrn, htype, delegated_credential, filename, ))
+
+        # (f) and finally upload them to manifold server
+        # xxx todo add an option so the password can be set on the command line
+        # (but *NOT* in the config file) so other apps can leverage this
+        self.logger.info("Uploading on backend at %s"%myslice_dict['backend'])
+        uploader = ManifoldUploader (logger=self.logger,
+                                     url=myslice_dict['backend'],
+                                     platform=myslice_dict['platform'],
+                                     username=myslice_dict['username'],
+                                     password=options.password)
+        uploader.prompt_all()
+        (count_all,count_success)=(0,0)
+        for (hrn,htype,delegated_credential,filename) in hrn_delegated_credentials:
+            # inspect
+            inspect=Credential(string=delegated_credential)
+            expire_datetime=inspect.get_expiration()
+            message="%s (%s) [exp:%s]"%(hrn,htype,expire_datetime)
+            if uploader.upload(delegated_credential,message=message):
+                count_success+=1
+            count_all+=1
+        self.logger.info("Successfully uploaded %d/%d credentials"%(count_success,count_all))
+
+        # at first I thought we would want to save these,
+        # like 'sfi delegate does' but on second thought
+        # it is probably not helpful as people would not
+        # need to run 'sfi delegate' at all anymore
+        if count_success != count_all: sys.exit(1)
+        # xxx should analyze result
+        return 0
+
+    @declare_command("cred","")
     def trusted(self, options, args):
         """
-        return uhe trusted certs at this interface (get_trusted_certs)
+        return the trusted certs at this interface (get_trusted_certs)
         """ 
-        trusted_certs = self.registry().get_trusted_certs()
+        if options.registry_interface:
+            server=self.registry()
+        else:
+            server = self.sliceapi()
+        cred = self.my_authority_credential_string()
+        trusted_certs = server.get_trusted_certs(cred)
+        if not options.registry_interface:
+            trusted_certs = ReturnValue.get_value(trusted_certs)
+
         for trusted_cert in trusted_certs:
+            print "\n===========================================================\n"
             gid = GID(string=trusted_cert)
             gid.dump()
             cert = Certificate(string=trusted_cert)
             self.logger.debug('Sfi.trusted -> %r'%cert.get_subject())
-        return 
-
-    def config (self, options, args):
-        "Display contents of current config"
-        self.show_config()
+            print "Certificate:\n%s\n\n"%trusted_cert
+        # xxx should analyze result
+        return 0