prettyfied registry manager (+format)
[sfa.git] / sfa / managers / registry_manager.py
index 95b4ed2..cc5654a 100644 (file)
@@ -12,6 +12,8 @@ from sfa.util.xrn import Xrn, get_authority, hrn_to_urn, urn_to_hrn
 from sfa.util.version import version_core
 from sfa.util.sfalogging import logger
 
+from sfa.util.printable import printable
+
 from sfa.trust.gid import GID 
 from sfa.trust.credential import Credential
 from sfa.trust.certificate import Certificate, Keypair, convert_public_key
@@ -19,43 +21,95 @@ from sfa.trust.gid import create_uuid
 
 from sfa.storage.model import make_record, RegRecord, RegAuthority, RegUser, RegSlice, RegKey, \
     augment_with_sfa_builtins
-from sfa.storage.alchemy import dbsession
 ### the types that we need to exclude from sqlobjects before being able to dump
 # them on the xmlrpc wire
 from sqlalchemy.orm.collections import InstrumentedList
 
+### historical note -- april 2014
+# the myslice chaps rightfully complained about the following discrepancy
+# they found that
+# * read operations (resolve) expose stuff like e.g. 
+#   'reg-researchers', or 'reg-pis', but that
+# * write operations (register, update) need e.g. 
+#   'researcher' or 'pi' to be set - reg-* are just ignored
+#
+# the '_normalize_input' helper functions below aim at ironing this out
+# however in order to break as few code as possible we essentially make sure that *both* fields are set
+# upon entering the write methods (so again register and update) for legacy, as some driver code
+# might depend on the presence of, say, 'researcher'
+
+# normalize an input record to a write method - register or update
+# e.g. registry calls this 'reg-researchers'
+# while some drivers call this 'researcher'
+# we need to make sure that both keys appear and are the same
+def _normalize_input (record, reg_key, driver_key):
+    # this looks right, use this for both keys
+    if reg_key in record:
+        # and issue a warning if they were both set and different
+        # as we're overwriting some user data here
+        if driver_key in record:
+            logger.warning ("normalize_input: incoming record has both values, using {}"
+                            .format(reg_key))
+        record[driver_key] = record[reg_key]
+    # we only have one key set, duplicate for the other one
+    elif driver_key in record:
+        logger.warning ("normalize_input: you should use '{}' instead of '{}'"
+                        .format(reg_key, driver_key))
+        record[reg_key] = record[driver_key]
+
+def normalize_input_record (record):
+    _normalize_input (record, 'reg-researchers','researcher')
+    _normalize_input (record, 'reg-pis','pi')
+    _normalize_input (record, 'reg-keys','keys')
+    # xxx the keys thing could use a little bit more attention:
+    # some parts of the code are using 'keys' while they should use 'reg-keys' 
+    # but I run out of time for now
+    if 'reg-keys' in record:
+        record['keys'] = record['reg-keys']
+    return record
+
 class RegistryManager:
 
-    def __init__ (self, config): pass
+    def __init__ (self, config): 
+        logger.info("Creating RegistryManager[{}]".format(id(self)))
 
     # The GENI GetVersion call
     def GetVersion(self, api, options):
         peers = dict ( [ (hrn,interface.get_url()) for (hrn,interface) in api.registries.iteritems() 
                        if hrn != api.hrn])
-        xrn=Xrn(api.hrn)
+        xrn=Xrn(api.hrn,type='authority')
         return version_core({'interface':'registry',
-                             'sfa': 2,
-                             'geni_api': 2,
+                             'sfa': 3,
                              'hrn':xrn.get_hrn(),
                              'urn':xrn.get_urn(),
                              'peers':peers})
     
-    def GetCredential(self, api, xrn, type, caller_xrn=None):
+    def GetCredential(self, api, xrn, input_type, caller_xrn=None):
         # convert xrn to hrn     
-        if type:
-            hrn = urn_to_hrn(xrn)[0]
+        if input_type:
+            hrn, _ = urn_to_hrn(xrn)
+            type = input_type
         else:
             hrn, type = urn_to_hrn(xrn)
-            
+
+        # Slivers don't have credentials but users should be able to 
+        # specify a sliver xrn and receive the slice's credential
+        # However if input_type is specified
+        if type == 'sliver' or ( not input_type and '-' in Xrn(hrn).leaf):
+            slice_xrn = api.driver.sliver_to_slice_xrn(hrn)
+            hrn = slice_xrn.hrn 
+  
         # Is this a root or sub authority
         auth_hrn = api.auth.get_authority(hrn)
         if not auth_hrn or hrn == api.config.SFA_INTERFACE_HRN:
             auth_hrn = hrn
         auth_info = api.auth.get_auth_info(auth_hrn)
+
         # get record info
-        record=dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).first()
+        dbsession = api.dbsession()
+        record = dbsession.query(RegRecord).filter_by(type=type, hrn=hrn).first()
         if not record:
-            raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))
+            raise RecordNotFound("hrn={}, type={}".format(hrn, type))
 
         # get the callers gid
         # if caller_xrn is not specified assume the caller is the record
@@ -70,7 +124,9 @@ class RegistryManager:
             else:
                 caller_record = dbsession.query(RegRecord).filter_by(hrn=caller_hrn).first()
             if not caller_record:
-                raise RecordNotFound("Unable to associated caller (hrn=%s, type=%s) with credential for (hrn: %s, type: %s)"%(caller_hrn, caller_type, hrn, type))
+                raise RecordNotFound(
+                    "Unable to associated caller (hrn={}, type={}) with credential for (hrn: {}, type: {})"
+                    .format(caller_hrn, caller_type, hrn, type))
             caller_gid = GID(string=caller_record.gid)
  
         object_hrn = record.get_gid_object().get_hrn()
@@ -78,8 +134,8 @@ class RegistryManager:
         rights = api.auth.determine_user_rights(caller_hrn, record)
         # make sure caller has rights to this object
         if rights.is_empty():
-            raise PermissionError("%s has no rights to %s (%s)" % \
-                                  (caller_hrn, object_hrn, xrn))    
+            raise PermissionError("{} has no rights to {} ({})"
+                                  .format(caller_hrn, object_hrn, xrn))
         object_gid = GID(string=record.gid)
         new_cred = Credential(subject = object_gid.get_subject())
         new_cred.set_gid_caller(caller_gid)
@@ -104,6 +160,7 @@ class RegistryManager:
     # the default for full, which means 'dig into the testbed as well', should be false
     def Resolve(self, api, xrns, type=None, details=False):
     
+        dbsession = api.dbsession()
         if not isinstance(xrns, types.ListType):
             # try to infer type if not set and we get a single input
             if not type:
@@ -155,18 +212,19 @@ class RegistryManager:
         local_records = dbsession.query(RegRecord).filter(RegRecord.hrn.in_(local_hrns))
         if type:
             local_records = local_records.filter_by(type=type)
-        local_records=local_records.all()
+        local_records = local_records.all()
         
         for local_record in local_records:
-            augment_with_sfa_builtins (local_record)
+            augment_with_sfa_builtins(local_record)
 
-        logger.info("Resolve, (details=%s,type=%s) local_records=%s "%(details,type,local_records))
+        logger.info("Resolve, (details={}, type={}) local_records={} "
+                    .format(details, type, local_records))
         local_dicts = [ record.__dict__ for record in local_records ]
         
         if details:
             # in details mode we get as much info as we can, which involves contacting the 
             # testbed for getting implementation details about the record
-            self.driver.augment_records_with_testbed_info(local_dicts)
+            api.driver.augment_records_with_testbed_info(local_dicts)
             # also we fill the 'url' field for known authorities
             # used to be in the driver code, sounds like a poorman thing though
             def solve_neighbour_url (record):
@@ -176,20 +234,23 @@ class RegistryManager:
                     if hrn in neighbour_dict:
                         record.url=neighbour_dict[hrn].get_url()
                         return 
-            for record in local_records: solve_neighbour_url (record)
+            for record in local_records:
+                solve_neighbour_url (record)
         
         # convert local record objects to dicts for xmlrpc
         # xxx somehow here calling dict(record) issues a weird error
         # however record.todict() seems to work fine
         # records.extend( [ dict(record) for record in local_records ] )
-        records.extend( [ record.todict(exclude_types=[InstrumentedList]) for record in local_records ] )
+        records.extend( [ record.record_to_dict(exclude_types=(InstrumentedList,)) for record in local_records ] )
 
         if not records:
             raise RecordNotFound(str(hrns))
     
         return records
     
-    def List (self, api, xrn, origin_hrn=None, options={}):
+    def List (self, api, xrn, origin_hrn=None, options=None):
+        if options is None: options={}
+        dbsession = api.dbsession()
         # load all know registry names into a prefix tree and attempt to find
         # the longest matching prefix
         hrn, type = urn_to_hrn(xrn)
@@ -215,7 +276,7 @@ class RegistryManager:
             record_dicts = record_list
         
         # if we still have not found the record yet, try the local registry
-#        logger.debug("before trying local records, %d foreign records"% len(record_dicts))
+#        logger.debug("before trying local records, {} foreign records".format(len(record_dicts)))
         if not record_dicts:
             recursive = False
             if ('recursive' in options and options['recursive']):
@@ -228,17 +289,23 @@ class RegistryManager:
                 raise MissingAuthority(hrn)
             if recursive:
                 records = dbsession.query(RegRecord).filter(RegRecord.hrn.startswith(hrn)).all()
-#                logger.debug("recursive mode, found %d local records"%(len(records)))
+#                logger.debug("recursive mode, found {} local records".format(len(records)))
             else:
                 records = dbsession.query(RegRecord).filter_by(authority=hrn).all()
-#                logger.debug("non recursive mode, found %d local records"%(len(records)))
+#                logger.debug("non recursive mode, found {} local records".format(len(records)))
             # so that sfi list can show more than plain names...
-            for record in records: augment_with_sfa_builtins (record)
-            record_dicts=[ record.todict(exclude_types=[InstrumentedList]) for record in records ]
+            for record in records:
+                # xxx mystery - again this useless statement is key here so that
+                # resulting records have their __dict__ field actually in line with the
+                # object's contents; was first observed with authorities' 'name' column
+                # that would be missing from result as received by client
+                # record.todict() is the place where __dict__ is used
+                print "DO NOT REMOVE ME before augment_with_sfa_builtins, record={}".format(record)
+                augment_with_sfa_builtins(record)
+            record_dicts = [ record.record_to_dict(exclude_types=(InstrumentedList,)) for record in records ]
     
         return record_dicts
     
-    
     def CreateGid(self, api, xrn, cert):
         # get the authority
         authority = Xrn(xrn=xrn).get_authority_hrn()
@@ -248,7 +315,15 @@ class RegistryManager:
         else:
             certificate = Certificate(string=cert)
             pkey = certificate.get_pubkey()    
-        gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey) 
+
+        # Add the email of the user to SubjectAltName in the GID
+        email = None
+        hrn = Xrn(xrn).get_hrn()
+        dbsession = api.dbsession()
+        record = dbsession.query(RegUser).filter_by(hrn=hrn).first()
+        if record:
+            email = getattr(record,'email',None)
+        gid = api.auth.hierarchy.create_gid(xrn, create_uuid(), pkey, email=email)
         return gid.save_to_string(save_parents=True)
     
     ####################
@@ -257,18 +332,19 @@ class RegistryManager:
     # subject_record describes the subject of the relationships
     # ref_record contains the target values for the various relationships we need to manage
     # (to begin with, this is just the slice x person (researcher) and authority x person (pi) relationships)
-    def update_driver_relations (self, subject_obj, ref_obj):
+    def update_driver_relations (self, api, subject_obj, ref_obj):
         type=subject_obj.type
         #for (k,v) in subject_obj.__dict__.items(): print k,'=',v
         if type=='slice' and hasattr(ref_obj,'researcher'):
-            self.update_driver_relation(subject_obj, ref_obj.researcher, 'user', 'researcher')
+            self.update_driver_relation(api, subject_obj, ref_obj.researcher, 'user', 'researcher')
         elif type=='authority' and hasattr(ref_obj,'pi'):
-            self.update_driver_relation(subject_obj,ref_obj.pi, 'user', 'pi')
+            self.update_driver_relation(api, subject_obj,ref_obj.pi, 'user', 'pi')
         
     # field_key is the name of one field in the record, typically 'researcher' for a 'slice' record
     # hrns is the list of hrns that should be linked to the subject from now on
     # target_type would be e.g. 'user' in the 'slice' x 'researcher' example
-    def update_driver_relation (self, record_obj, hrns, target_type, relation_name):
+    def update_driver_relation (self, api, record_obj, hrns, target_type, relation_name):
+        dbsession = api.dbsession()
         # locate the linked objects in our db
         subject_type=record_obj.type
         subject_id=record_obj.pointer
@@ -276,10 +352,15 @@ class RegistryManager:
         link_id_tuples = dbsession.query(RegRecord.pointer).filter_by(type=target_type).filter(RegRecord.hrn.in_(hrns)).all()
         # sqlalchemy returns named tuples for columns
         link_ids = [ tuple.pointer for tuple in link_id_tuples ]
-        self.driver.update_relation (subject_type, target_type, relation_name, subject_id, link_ids)
+        api.driver.update_relation (subject_type, target_type, relation_name, subject_id, link_ids)
 
     def Register(self, api, record_dict):
     
+        logger.debug("Register: entering with record_dict={}".format(printable(record_dict)))
+        normalize_input_record (record_dict)
+        logger.debug("Register: normalized record_dict={}".format(printable(record_dict)))
+
+        dbsession = api.dbsession()
         hrn, type = record_dict['hrn'], record_dict['type']
         urn = hrn_to_urn(hrn,type)
         # validate the type
@@ -287,7 +368,7 @@ class RegistryManager:
             raise UnknownSfaType(type) 
         
         # check if record_dict already exists
-        existing_records = dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).all()
+        existing_records = dbsession.query(RegRecord).filter_by(type=type, hrn=hrn).all()
         if existing_records:
             raise ExistingRecord(hrn)
            
@@ -302,14 +383,14 @@ class RegistryManager:
         if not record.gid:
             uuid = create_uuid()
             pkey = Keypair(create=True)
-            if getattr(record,'keys',None):
-                pub_key=record.keys
+            pub_key=getattr(record,'reg-keys',None)
+            if pub_key is not None:
                 # use only first key in record
-                if isinstance(record.keys, types.ListType):
-                    pub_key = record.keys[0]
+                if pub_key and isinstance(pub_key, types.ListType): pub_key = pub_key[0]
                 pkey = convert_public_key(pub_key)
     
-            gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
+            email = getattr(record,'email',None)
+            gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey, email = email)
             gid = gid_object.save_to_string(save_parents=True)
             record.gid = gid
     
@@ -324,53 +405,62 @@ class RegistryManager:
             record.gid=gid.save_to_string(save_parents=True)
 
             # locate objects for relationships
-            pi_hrns = getattr(record,'pi',None)
-            if pi_hrns is not None: record.update_pis (pi_hrns)
+            pi_hrns = getattr(record,'reg-pis',None)
+            if pi_hrns is not None: record.update_pis (pi_hrns, dbsession)
 
         elif isinstance (record, RegSlice):
-            researcher_hrns = getattr(record,'researcher',None)
-            if researcher_hrns is not None: record.update_researchers (researcher_hrns)
+            researcher_hrns = getattr(record,'reg-researchers',None)
+            if researcher_hrns is not None: record.update_researchers (researcher_hrns, dbsession)
         
         elif isinstance (record, RegUser):
             # create RegKey objects for incoming keys
-            if hasattr(record,'keys'): 
-                logger.debug ("creating %d keys for user %s"%(len(record.keys),record.hrn))
-                record.reg_keys = [ RegKey (key) for key in record.keys ]
+            if hasattr(record,'reg-keys'):
+                keys=getattr(record,'reg-keys')
+                # some people send the key as a string instead of a list of strings
+                if isinstance(keys,types.StringTypes): keys=[keys]
+                logger.debug ("creating {} keys for user {}".format(len(keys), record.hrn))
+                record.reg_keys = [ RegKey (key) for key in keys ]
             
         # update testbed-specific data if needed
-        pointer = self.driver.register (record.__dict__, hrn, pub_key)
+        pointer = api.driver.register (record.__dict__, hrn, pub_key)
 
         record.pointer=pointer
         dbsession.add(record)
         dbsession.commit()
     
         # update membership for researchers, pis, owners, operators
-        self.update_driver_relations (record, record)
+        self.update_driver_relations (api, record, record)
         
         return record.get_gid_object().save_to_string(save_parents=True)
     
     def Update(self, api, record_dict):
+
+        logger.debug("Update: entering with record_dict={}".format(printable(record_dict)))
+        normalize_input_record (record_dict)
+        logger.debug("Update: normalized record_dict={}".format(printable(record_dict)))
+
+        dbsession = api.dbsession()
         assert ('type' in record_dict)
-        new_record=make_record(dict=record_dict)
-        (type,hrn) = (new_record.type, new_record.hrn)
+        new_record = make_record(dict=record_dict)
+        (type, hrn) = (new_record.type, new_record.hrn)
         
         # make sure the record exists
-        record = dbsession.query(RegRecord).filter_by(type=type,hrn=hrn).first()
+        record = dbsession.query(RegRecord).filter_by(type=type, hrn=hrn).first()
         if not record:
-            raise RecordNotFound("hrn=%s, type=%s"%(hrn,type))
+            raise RecordNotFound("hrn={}, type={}".format(hrn, type))
         record.just_updated()
     
         # Use the pointer from the existing record, not the one that the user
         # gave us. This prevents the user from inserting a forged pointer
         pointer = record.pointer
-    
+
         # is there a change in keys ?
-        new_key=None
-        if type=='user':
-            if getattr(new_record,'keys',None):
-                new_key=new_record.keys
-                if isinstance (new_key,types.ListType):
-                    new_key=new_key[0]
+        new_key = None
+        if type == 'user':
+            if getattr(new_record, 'keys', None):
+                new_key = new_record.keys
+                if isinstance (new_key, types.ListType):
+                    new_key = new_key[0]
 
         # take new_key into account
         if new_key:
@@ -378,7 +468,11 @@ class RegistryManager:
             pkey = convert_public_key(new_key)
             uuid = create_uuid()
             urn = hrn_to_urn(hrn,type)
-            gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
+
+            email = getattr(new_record, 'email', None)
+            if email is None:
+                email = getattr(record, 'email', None)
+            gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey, email = email)
             gid = gid_object.save_to_string(save_parents=True)
         
         # xxx should do side effects from new_record to record
@@ -386,43 +480,58 @@ class RegistryManager:
         # not too big a deal with planetlab as the driver is authoritative, but...
 
         # update native relations
-        if isinstance (record, RegSlice):
-            researcher_hrns = getattr(new_record,'researcher',None)
-            if researcher_hrns is not None: record.update_researchers (researcher_hrns)
+        if isinstance(record, RegSlice):
+            researcher_hrns = getattr(new_record, 'reg-researchers', None)
+            if researcher_hrns is not None:
+                record.update_researchers (researcher_hrns, dbsession)
+
+        elif isinstance(record, RegAuthority):
+            pi_hrns = getattr(new_record, 'reg-pis', None)
+            if pi_hrns is not None:
+                record.update_pis(pi_hrns, dbsession)
+            name = getattr(new_record, 'name', None)
+            if name is not None:
+                record.name = name
 
-        elif isinstance (record, RegAuthority):
-            pi_hrns = getattr(new_record,'pi',None)
-            if pi_hrns is not None: record.update_pis (pi_hrns)
+        elif isinstance(record, RegUser):
+            email = getattr(new_record, 'email', None)
+            if email is not None:
+                record.email = email
         
         # update the PLC information that was specified with the record
-        # xxx oddly enough, without this useless statement, 
+        # xxx mystery: oddly enough, without this useless statement, 
         # record.__dict__ as received by the driver seems to be off
         # anyway the driver should receive an object 
         # (and then extract __dict__ itself if needed)
-        print "DO NOT REMOVE ME before driver.update, record=%s"%record
-        (pointer, new_key_pointer) = self.driver.update (record.__dict__, new_record.__dict__, hrn, new_key)
-        if new_key and new_key_pointer:    
-            record.reg_keys=[ RegKey (new_key, new_key_pointer)]
+        print "DO NOT REMOVE ME before driver.update, record={}".format(record)
+        new_key_pointer = -1
+        try:
+           (pointer, new_key_pointer) = api.driver.update (record.__dict__, new_record.__dict__, hrn, new_key)
+        except:
+           pass
+        if new_key and new_key_pointer:
+            record.reg_keys = [ RegKey(new_key, new_key_pointer) ]
             record.gid = gid
 
-        dbsession.commit();
+        dbsession.commit()
         # update membership for researchers, pis, owners, operators
-        self.update_driver_relations (record, new_record)
+        self.update_driver_relations(api, record, new_record)
         
         return 1 
     
     # expecting an Xrn instance
     def Remove(self, api, xrn, origin_hrn=None):
-        hrn=xrn.get_hrn()
-        type=xrn.get_type()
-        request=dbsession.query(RegRecord).filter_by(hrn=hrn)
+        dbsession = api.dbsession()
+        hrn = xrn.get_hrn()
+        type = xrn.get_type()
+        request = dbsession.query(RegRecord).filter_by(hrn=hrn)
         if type and type not in ['all', '*']:
-            request=request.filter_by(type=type)
+            request = request.filter_by(type=type)
     
         record = request.first()
         if not record:
-            msg="Could not find hrn %s"%hrn
-            if type: msg += " type=%s"%type
+            msg = "Could not find hrn {}".format(hrn)
+            if type: msg += " type={}".format(type)
             raise RecordNotFound(msg)
 
         type = record.type
@@ -444,7 +553,7 @@ class RegistryManager:
 
         # call testbed callback first
         # IIUC this is done on the local testbed TOO because of the refreshpeer link
-        if not self.driver.remove(record.__dict__):
+        if not api.driver.remove(record.__dict__):
             logger.warning("driver.remove failed")
 
         # delete from sfa db
@@ -455,27 +564,30 @@ class RegistryManager:
 
     # This is a PLC-specific thing, won't work with other platforms
     def get_key_from_incoming_ip (self, api):
+        dbsession = api.dbsession()
         # verify that the callers's ip address exist in the db and is an interface
         # for a node in the db
         (ip, port) = api.remote_addr
-        interfaces = self.driver.shell.GetInterfaces({'ip': ip}, ['node_id'])
+        interfaces = api.driver.shell.GetInterfaces({'ip': ip}, ['node_id'])
         if not interfaces:
-            raise NonExistingRecord("no such ip %(ip)s" % locals())
-        nodes = self.driver.shell.GetNodes([interfaces[0]['node_id']], ['node_id', 'hostname'])
+            raise NonExistingRecord("no such ip {}".format(ip))
+        nodes = api.driver.shell.GetNodes([interfaces[0]['node_id']], ['node_id', 'hostname'])
         if not nodes:
-            raise NonExistingRecord("no such node using ip %(ip)s" % locals())
+            raise NonExistingRecord("no such node using ip {}".format(ip))
         node = nodes[0]
        
         # look up the sfa record
-        record=dbsession.query(RegRecord).filter_by(type='node',pointer=node['node_id']).first()
+        record = dbsession.query(RegRecord).filter_by(type='node', pointer=node['node_id']).first()
         if not record:
-            raise RecordNotFound("node with pointer %s"%node['node_id'])
+            raise RecordNotFound("node with pointer {}".format(node['node_id']))
         
         # generate a new keypair and gid
         uuid = create_uuid()
         pkey = Keypair(create=True)
         urn = hrn_to_urn(record.hrn, record.type)
-        gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey)
+
+        email = getattr(record, 'email', None)
+        gid_object = api.auth.hierarchy.create_gid(urn, uuid, pkey, email)
         gid = gid_object.save_to_string(save_parents=True)
         record.gid = gid
 
@@ -495,12 +607,12 @@ class RegistryManager:
         scp = "/usr/bin/scp" 
         #identity = "/etc/planetlab/root_ssh_key.rsa"
         identity = "/etc/sfa/root_ssh_key"
-        scp_options=" -i %(identity)s " % locals()
-        scp_options+="-o StrictHostKeyChecking=no " % locals()
-        scp_key_command="%(scp)s %(scp_options)s %(key_filename)s root@%(host)s:%(key_dest)s" %\
-                         locals()
-        scp_gid_command="%(scp)s %(scp_options)s %(gid_filename)s root@%(host)s:%(gid_dest)s" %\
-                         locals()    
+        scp_options =  " -i {identity} ".format(**locals())
+        scp_options += "-o StrictHostKeyChecking=no "
+        scp_key_command = "{scp} {scp_options} {key_filename} root@{host}:{key_dest}"\
+            .format(**locals())
+        scp_gid_command = "{scp} {scp_options} {gid_filename} root@{host}:{gid_dest}"\
+                          .format(**locals())
 
         all_commands = [scp_key_command, scp_gid_command]