removed another bunch of references to geni
[sfa.git] / sfa / util / api.py
index 63de9b3..514364a 100644 (file)
@@ -1,5 +1,5 @@
 #
-# Geniwrapper XML-RPC and SOAP interfaces
+# SFA XML-RPC and SOAP interfaces
 #
 ### $Id$
 ### $URL$
@@ -15,9 +15,10 @@ from sfa.trust.auth import Auth
 from sfa.util.config import *
 from sfa.util.faults import *
 from sfa.util.debug import *
-from sfa.trust.rights import *
 from sfa.trust.credential import *
-from sfa.util.misc import *
+from sfa.trust.certificate import *
+from sfa.util.namespace import *
+from sfa.util.sfalogging import *
 
 # See "2.2 Characters" in the XML specification:
 #
@@ -94,374 +95,34 @@ def import_deep(name):
         mod = getattr(mod, comp)
     return mod
 
-class GeniAPI:
+class BaseAPI:
 
-    # flat list of method names
-    import sfa.methods
-    methods = sfa.methods.all
-    
-    def __init__(self, config = "/etc/sfa/sfa_config", encoding = "utf-8", 
+    def __init__(self, config = "/etc/sfa/sfa_config", encoding = "utf-8", methods='sfa.methods',
                  peer_cert = None, interface = None, key_file = None, cert_file = None):
+
         self.encoding = encoding
+        
+        # flat list of method names
+         
+        self.methods_module = methods_module = __import__(methods, fromlist=[methods])
+        self.methods = methods_module.all
 
         # Better just be documenting the API
         if config is None:
             return
-
+        
         # Load configuration
         self.config = Config(config)
         self.auth = Auth(peer_cert)
         self.interface = interface
         self.key_file = key_file
+        self.key = Keypair(filename=self.key_file)
         self.cert_file = cert_file
+        self.cert = Certificate(filename=self.cert_file)
         self.credential = None
-        self.plshell = self.getPLCShell()
-        self.plshell_version = self.getPLCShellVersion()
-        self.basedir = self.config.SFA_BASE_DIR + os.sep
-        self.server_basedir = self.basedir + os.sep + "geni" + os.sep
-        self.hrn = self.config.SFA_INTERFACE_HRN
-        self.time_format = "%Y-%m-%d %H:%M:%S"
-
-
-    def getPLCShell(self):
-        self.plauth = {'Username': self.config.SFA_PLC_USER,
-                       'AuthMethod': 'password',
-                       'AuthString': self.config.SFA_PLC_PASSWORD}
-        try:
-            import PLC.Shell
-            shell = PLC.Shell.Shell(globals = globals())
-            shell.AuthCheck(self.plauth)
-            return shell
-        except ImportError:
-            # connect via xmlrpc
-            url = self.config.SFA_PLC_URL
-             
-            shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
-            shell.AuthCheck(self.plauth)
-            return shell
-
-    def getPLCShellVersion(self):
-        # We need to figure out what version of PLCAPI we are talking to.
-        # Some calls we need to make later will be different depending on
-        # the api version. 
-        try:
-            # This is probably a bad way to determine api versions
-            # but its easy and will work for now. Lets try to make 
-            # a call that only exists is PLCAPI.4.3. If it fails, we
-            # can assume the api version is 4.2
-            self.plshell.GetTagTypes(self.plauth)
-            return '4.3'
-        except:
-            return '4.2'
-            
-
-    def getCredential(self):
-        if self.interface in ['registry']:
-            return self.getCredentialFromLocalRegistry()
-        else:
-            return self.getCredentialFromRegistry()
-    
-
-    def getCredentialFromRegistry(self):
-        """ 
-        Get our credential from a remote registry using a geniclient connection
-        """
-        type = 'authority'
-        path = self.config.config_path
-        filename = ".".join([self.interface, self.hrn, type, "cred"])
-        cred_filename = path + os.sep + filename
-        try:
-            credential = Credential(filename = cred_filename)
-            return credential
-        except IOError:
-            from sfa.server.registry import Registries
-            registries = Registries(self)
-            registry = registries[self.hrn]
-            self_cred = registry.get_credential(None, type, self.hrn)
-            cred = registry.get_credential(self_cred, type, self.hrn)
-            cred.save_to_file(cred_filename, save_parents=True)
-            return cred
-
-    def getCredentialFromLocalRegistry(self):
-        """
-        Get our current credential directly from the local registry.
-        """
-
-        hrn = self.hrn
-        auth_hrn = self.auth.get_authority(hrn)
-        if not auth_hrn:
-            auth_hrn = hrn
-        auth_info = self.auth.get_auth_info(auth_hrn)
-        table = self.auth.get_auth_table(auth_hrn)
-        records = table.resolve('*', hrn)
-        if not records:
-            raise RecordNotFound
-        record = records[0]
-        type = record.get_type()
-        object_gid = record.get_gid_object()
-        new_cred = Credential(subject = object_gid.get_subject())
-        new_cred.set_gid_caller(object_gid)
-        new_cred.set_gid_object(object_gid)
-        new_cred.set_issuer(key=auth_info.get_pkey_object(), subject=auth_hrn)
-        new_cred.set_pubkey(object_gid.get_pubkey())
-        r1 = determine_rights(type, hrn)
-        new_cred.set_privileges(r1)
-
-        auth_kind = "authority,ma,sa"
-
-        new_cred.set_parent(self.auth.hierarchy.get_auth_cred(auth_hrn, kind=auth_kind))
-
-        new_cred.encode()
-        new_cred.sign()
-
-        return new_cred
-   
-
-    def loadCredential (self):
-        """
-        Attempt to load credential from file if it exists. If it doesnt get
-        credential from registry.
-        """
-
-        # see if this file exists
-        # XX This is really the aggregate's credential. Using this is easier than getting
-        # the registry's credential from iteslf (ssl errors).   
-        ma_cred_filename = self.server_basedir + os.sep + self.interface + self.hrn + ".ma.cred"
-        try:
-            self.credential = Credential(filename = ma_cred_filename)
-        except IOError:
-            self.credential = self.getCredentialFromRegistry()
-
-    ##
-    # Convert geni fields to PLC fields for use when registering up updating
-    # registry record in the PLC database
-    #
-    # @param type type of record (user, slice, ...)
-    # @param hrn human readable name
-    # @param geni_fields dictionary of geni fields
-    # @param pl_fields dictionary of PLC fields (output)
-
-    def geni_fields_to_pl_fields(self, type, hrn, record):
-
-        def convert_ints(tmpdict, int_fields):
-            for field in int_fields:
-                if field in tmpdict:
-                    tmpdict[field] = int(tmpdict[field])
-
-        pl_record = {}
-        #for field in record:
-        #    pl_record[field] = record[field]
-        if type == "slice":
-            if not "instantiation" in pl_record:
-                pl_record["instantiation"] = "plc-instantiated"
-            pl_record["name"] = hrn_to_pl_slicename(hrn)
-           if "url" in record:
-               pl_record["url"] = record["url"]
-
-        elif type == "node":
-            if not "hostname" in pl_record:
-                if not "dns" in record:
-                    raise MissingGeniInfo("dns")
-                pl_record["hostname"] = record["dns"]
-            if not "model" in pl_record:
-                pl_record["model"] = "geni"
-
-        elif type == "authority":
-            pl_record["login_base"] = hrn_to_pl_login_base(hrn)
-
-            if not "name" in pl_record:
-                pl_record["name"] = hrn
-
-            if not "abbreviated_name" in pl_record:
-                pl_record["abbreviated_name"] = hrn
-
-            if not "enabled" in pl_record:
-                pl_record["enabled"] = True
-
-            if not "is_public" in pl_record:
-                pl_record["is_public"] = True
-
-        return pl_record
-
-    def fill_record_pl_info(self, record):
-        """
-        Fill in the planetlab specific fields of a Geni record. This
-        involves calling the appropriate PLC method to retrieve the 
-        database record for the object.
         
-        PLC data is filled into the pl_info field of the record.
-    
-        @param record: record to fill in field (in/out param)     
-        """
-        type = record.get_type()
-        pointer = record.get_pointer()
-        auth_hrn = self.hrn
-        login_base = ''
-        # records with pointer==-1 do not have plc info associated with them.
-        # for example, the top level authority records which are
-        # authorities, but not PL "sites"
-        if pointer == -1:
-            record.update({})
-            return
-
-        if (type in ["authority", "sa", "ma"]):
-            pl_res = self.plshell.GetSites(self.plauth, [pointer])
-        elif (type == "slice"):
-            pl_res = self.plshell.GetSlices(self.plauth, [pointer])
-        elif (type == "user"):
-            pl_res = self.plshell.GetPersons(self.plauth, [pointer])
-        elif (type == "node"):
-            pl_res = self.plshell.GetNodes(self.plauth, [pointer])
-        else:
-            raise UnknownGeniType(type)
-        
-        if not pl_res:
-            raise PlanetLabRecordDoesNotExist(record.get_name())
-
-        # convert ids to hrns
-        pl_record = pl_res[0]
-        if 'site_id' in pl_record:
-            sites = self.plshell.GetSites(self.plauth, pl_record['site_id'], ['login_base'])
-            site = sites[0]
-            login_base = site['login_base']
-            pl_record['site'] = ".".join([auth_hrn, login_base])
-        if 'person_ids' in pl_record:
-            persons =  self.plshell.GetPersons(self.plauth, pl_record['person_ids'], ['email'])
-            emails = [person['email'] for person in persons]
-            usernames = [email.split('@')[0] for email in emails]
-            person_hrns = [".".join([auth_hrn, login_base, username]) for username in usernames]
-            pl_record['persons'] = person_hrns 
-        if 'slice_ids' in pl_record:
-            slices = self.plshell.GetSlices(self.plauth, pl_record['slice_ids'], ['name'])
-            slicenames = [slice['name'] for slice in slices]
-            slice_hrns = [slicename_to_hrn(auth_hrn, slicename) for slicename in slicenames]
-            pl_record['slices'] = slice_hrns
-        if 'node_ids' in pl_record:
-            nodes = self.plshell.GetNodes(self.plauth, pl_record['node_ids'], ['hostname'])
-            hostnames = [node['hostname'] for node in nodes]
-            node_hrns = [hostname_to_hrn(auth_hrn, login_base, hostname) for hostname in hostnames]
-            pl_record['nodes'] = node_hrns
-        if 'site_ids' in pl_record:
-            sites = self.plshell.GetSites(self.plauth, pl_record['site_ids'], ['login_base'])
-            login_bases = [site['login_base'] for site in sites]
-            site_hrns = [".".join([auth_hrn, lbase]) for lbase in login_bases]
-            pl_record['sites'] = site_hrns
-        if 'key_ids' in pl_record:
-            keys = self.plshell.GetKeys(self.plauth, pl_record['key_ids'])
-            pubkeys = []
-            if keys:
-                pubkeys = [key['key'] for key in keys]
-            pl_record['keys'] = pubkeys     
-
-        record.update(pl_record)
-
-
-    def lookup_users(self, auth_table, user_id_list, role="*"):
-        record_list = []
-        for person_id in user_id_list:
-            user_records = auth_table.find("user", person_id, "pointer")
-            for user_record in user_records:
-                self.fill_record_info(user_record)
-                user_roles = user_record.get("roles")
-                if (role=="*") or (role in user_roles):
-                    record_list.append(user_record.get_name())
-        return record_list
-
-    def fill_record_geni_info(self, record):
-        geni_info = {}
-        type = record.get_type()
-        if (type == "slice"):
-            auth_table = self.auth.get_auth_table(self.auth.get_authority(record.get_name()))
-            person_ids = record.get("person_ids", [])
-            researchers = self.lookup_users(auth_table, person_ids)
-            geni_info['researcher'] = researchers
-
-        elif (type == "authority"):
-            auth_table = self.auth.get_auth_table(record.get_name())
-            person_ids = record.get("person_ids", [])
-            pis = self.lookup_users(auth_table, person_ids, "pi")
-            operators = self.lookup_users(auth_table, person_ids, "tech")
-            owners = self.lookup_users(auth_table, person_ids, "admin")
-            geni_info['pi'] = pis
-            geni_info['operator'] = operators
-            geni_info['owner'] = owners
-            # xxx TODO: OrganizationName
-
-        elif (type == "node"):
-            geni_info['dns'] = record.get("hostname", "")
-            # xxx TODO: URI, LatLong, IP, DNS
-    
-        elif (type == "user"):
-            geni_info['email'] = record.get("email", "")
-            # xxx TODO: PostalAddress, Phone
-
-        record.update(geni_info)
-
-    def fill_record_info(self, record):
-        """
-        Given a geni record, fill in the PLC specific and Geni specific
-        fields in the record. 
-        """
-        self.fill_record_pl_info(record)
-        self.fill_record_geni_info(record)
-
-    def update_membership_list(self, oldRecord, record, listName, addFunc, delFunc):
-        # get a list of the HRNs tht are members of the old and new records
-        if oldRecord:
-            oldList = oldRecord.get(listName, [])
-        else:
-            oldList = []     
-        newList = record.get(listName, [])
-
-        # if the lists are the same, then we don't have to update anything
-        if (oldList == newList):
-            return
-
-        # build a list of the new person ids, by looking up each person to get
-        # their pointer
-        newIdList = []
-        for hrn in newList:
-            auth_hrn = self.auth.get_authority(hrn)
-            if not auth_hrn:
-                auth_hrn = hrn
-            auth_info = self.auth.get_auth_info(auth_hrn)
-            table = self.auth.get_auth_table(auth_hrn)
-            records = table.resolve('user', hrn)
-            if records:
-                userRecord = records[0]    
-                newIdList.append(userRecord.get_pointer())
-
-        # build a list of the old person ids from the person_ids field 
-        if oldRecord:
-            oldIdList = oldRecord.get("person_ids", [])
-            containerId = oldRecord.get_pointer()
-        else:
-            # if oldRecord==None, then we are doing a Register, instead of an
-            # update.
-            oldIdList = []
-            containerId = record.get_pointer()
-
-    # add people who are in the new list, but not the oldList
-        for personId in newIdList:
-            if not (personId in oldIdList):
-                print "adding id", personId, "to", record.get_name()
-                addFunc(self.plauth, personId, containerId)
-
-        # remove people who are in the old list, but not the new list
-        for personId in oldIdList:
-            if not (personId in newIdList):
-                print "removing id", personId, "from", record.get_name()
-                delFunc(self.plauth, personId, containerId)
-
-    def update_membership(self, oldRecord, record):
-        if record.type == "slice":
-            self.update_membership_list(oldRecord, record, 'researcher',
-                                        self.plshell.AddPersonToSlice,
-                                        self.plshell.DeletePersonFromSlice)
-        elif record.type == "authority":
-            # xxx TODO
-            pass
+        self.time_format = "%Y-%m-%d %H:%M:%S"
+        self.logger=get_sfa_logger()
 
 
     def callable(self, method):
@@ -470,17 +131,16 @@ class GeniAPI:
         """
         # Look up method
         if method not in self.methods:
-            raise GeniInvalidAPIMethod, method
+            raise SfaInvalidAPIMethod, method
         
         # Get new instance of method
         try:
             classname = method.split(".")[-1]
-            module = __import__("sfa.methods." + method, globals(), locals(), [classname])
+            module = __import__(self.methods_module.__name__ + "." + method, globals(), locals(), [classname])
             callablemethod = getattr(module, classname)(self)
             return getattr(module, classname)(self)
         except ImportError, AttributeError:
-            raise
-            raise GeniInvalidAPIMethod, method
+            raise SfaInvalidAPIMethod, method
 
     def call(self, source, method, *args):
         """
@@ -495,7 +155,6 @@ class GeniAPI:
         """
         Handle an XML-RPC or SOAP request from the specified source.
         """
-
         # Parse request into method name and arguments
         try:
             interface = xmlrpclib
@@ -527,7 +186,7 @@ class GeniAPI:
 
         # Return result
         if interface == xmlrpclib:
-            if not isinstance(result, GeniFault):
+            if not isinstance(result, SfaFault):
                 result = (result,)
 
             data = xmlrpclib.dumps(result, methodresponse = True, encoding = self.encoding, allow_none = 1)
@@ -535,3 +194,4 @@ class GeniAPI:
             data = buildSOAP(kw = {'%sResponse' % method: {'Result': result}}, encoding = self.encoding)
 
         return data
+