* tried to put some sense in the way things get logged, at least on server-side for now
[sfa.git] / sfa / plc / api.py
index cbe321b..6da1188 100644 (file)
@@ -10,18 +10,56 @@ import os
 import traceback
 import string
 import xmlrpclib
+
+from sfa.util.sfalogging import sfa_logger
+import sfa.util.xmlrpcprotocol as xmlrpcprotocol
 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.trust.certificate import *
 from sfa.util.namespace import *
 from sfa.util.api import *
 from sfa.util.nodemanager import NodeManager
-from sfa.util.sfalogging import *
-from collections import defaultdict
+try:
+    from collections import defaultdict
+except:
+    class defaultdict(dict):
+        def __init__(self, default_factory=None, *a, **kw):
+            if (default_factory is not None and
+                not hasattr(default_factory, '__call__')):
+                raise TypeError('first argument must be callable')
+            dict.__init__(self, *a, **kw)
+            self.default_factory = default_factory
+        def __getitem__(self, key):
+            try:
+                return dict.__getitem__(self, key)
+            except KeyError:
+                return self.__missing__(key)
+        def __missing__(self, key):
+            if self.default_factory is None:
+                raise KeyError(key)
+            self[key] = value = self.default_factory()
+            return value
+        def __reduce__(self):
+            if self.default_factory is None:
+                args = tuple()
+            else:
+                args = self.default_factory,
+            return type(self), args, None, None, self.items()
+        def copy(self):
+            return self.__copy__()
+        def __copy__(self):
+            return type(self)(self.default_factory, self)
+        def __deepcopy__(self, memo):
+            import copy
+            return type(self)(self.default_factory,
+                              copy.deepcopy(self.items()))
+        def __repr__(self):
+            return 'defaultdict(%s, %s)' % (self.default_factory,
+                                            dict.__repr__(self))
+## end of http://code.activestate.com/recipes/523034/ }}}
 
 def list_to_dict(recs, key):
     """
@@ -45,7 +83,6 @@ class SfaAPI(BaseAPI):
                          cert_file=cert_file, cache=cache)
  
         self.encoding = encoding
-
         from sfa.util.table import SfaTable
         self.SfaTable = SfaTable
         # Better just be documenting the API
@@ -63,31 +100,51 @@ class SfaAPI(BaseAPI):
         self.credential = None
         # Initialize the PLC shell only if SFA wraps a myPLC
         rspec_type = self.config.get_aggregate_type()
-        if (rspec_type == 'pl' or rspec_type == 'vini'):
+        if (rspec_type == 'pl' or rspec_type == 'vini' or rspec_type == 'eucalyptus'):
             self.plshell = self.getPLCShell()
             self.plshell_version = "4.3"
 
         self.hrn = self.config.SFA_INTERFACE_HRN
         self.time_format = "%Y-%m-%d %H:%M:%S"
-        self.logger=get_sfa_logger()
+        self.logger=sfa_logger
 
     def getPLCShell(self):
         self.plauth = {'Username': self.config.SFA_PLC_USER,
                        'AuthMethod': 'password',
                        'AuthString': self.config.SFA_PLC_PASSWORD}
-
-        self.plshell_type = 'xmlrpc' 
-        # connect via xmlrpc
-        url = self.config.SFA_PLC_URL
-        shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
+        try:
+            sys.path.append(os.path.dirname(os.path.realpath("/usr/bin/plcsh")))
+            self.plshell_type = 'direct'
+            import PLC.Shell
+            shell = PLC.Shell.Shell(globals = globals())
+        except:
+            self.plshell_type = 'xmlrpc' 
+            url = self.config.SFA_PLC_URL
+            shell = xmlrpclib.Server(url, verbose = 0, allow_none = True)
+        
         return shell
 
     def getCredential(self):
+        """
+        Return a valid credential for this interface. 
+        """
         if self.interface in ['registry']:
             return self.getCredentialFromLocalRegistry()
         else:
             return self.getCredentialFromRegistry()
-    
+
+    def getDelegatedCredential(self, creds):
+        """
+        Attempt to find a credential delegated to us in
+        the specified list of creds.
+        """
+        if creds and not isinstance(creds, list): 
+            creds = [creds]
+        delegated_creds = filter_creds_by_caller(creds,self.hrn)
+        if not delegated_creds:
+            return None
+        return delegated_creds[0]
     def getCredentialFromRegistry(self):
         """ 
         Get our credential from a remote registry 
@@ -135,8 +192,8 @@ class SfaAPI(BaseAPI):
         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())
+        new_cred.set_issuer_keys(auth_info.get_privkey_filename(), auth_info.get_gid_filename())
+        
         r1 = determine_rights(type, hrn)
         new_cred.set_privileges(r1)
 
@@ -424,10 +481,10 @@ class SfaAPI(BaseAPI):
             if (type == "slice"):
                 # all slice users are researchers
                 record['PI'] = []
-                record['researchers'] = []
+                record['researcher'] = []
                 for person_id in record['person_ids']:
                     hrns = [person['hrn'] for person in persons[person_id]]
-                    record['researchers'].extend(hrns)                
+                    record['researcher'].extend(hrns)                
 
                 # pis at the slice's site
                 pl_pis = site_pis[record['site_id']]
@@ -435,6 +492,8 @@ class SfaAPI(BaseAPI):
                 for person_id in pi_ids:
                     hrns = [person['hrn'] for person in persons[person_id]]
                     record['PI'].extend(hrns)
+                record['geni_urn'] = hrn_to_urn(record['hrn'], 'slice')
+                record['geni_creator'] = record['PI'] 
                 
             elif (type == "authority"):
                 record['PI'] = []
@@ -459,6 +518,8 @@ class SfaAPI(BaseAPI):
     
             elif (type == "user"):
                 sfa_info['email'] = record.get("email", "")
+                sfa_info['geni_urn'] = hrn_to_urn(record['hrn'], 'user')
+                sfa_info['geni_certificate'] = record['gid'] 
                 # xxx TODO: PostalAddress, Phone
             record.update(sfa_info)
 
@@ -545,3 +606,73 @@ class ComponentAPI(BaseAPI):
             return True
         else:
             return False
+
+    def get_registry(self):
+        addr, port = self.config.SFA_REGISTRY_HOST, self.config.SFA_REGISTRY_PORT
+        url = "http://%(addr)s:%(port)s" % locals()
+        server = xmlrpcprotocol.get_server(url, self.key_file, self.cert_file)
+        return server
+
+    def get_node_key(self):
+        # this call requires no authentication,
+        # so we can generate a random keypair here
+        subject="component"
+        (kfd, keyfile) = tempfile.mkstemp()
+        (cfd, certfile) = tempfile.mkstemp()
+        key = Keypair(create=True)
+        key.save_to_file(keyfile)
+        cert = Certificate(subject=subject)
+        cert.set_issuer(key=key, subject=subject)
+        cert.set_pubkey(key)
+        cert.sign()
+        cert.save_to_file(certfile)
+        registry = self.get_registry()
+        # the registry will scp the key onto the node
+        registry.get_key()        
+
+    def getCredential(self):
+        """
+        Get our credential from a remote registry
+        """
+        path = self.config.SFA_DATA_DIR
+        config_dir = self.config.config_path
+        cred_filename = path + os.sep + 'node.cred'
+        try:
+            credential = Credential(filename = cred_filename)
+            return credential.save_to_string(save_parents=True)
+        except IOError:
+            node_pkey_file = config_dir + os.sep + "node.key"
+            node_gid_file = config_dir + os.sep + "node.gid"
+            cert_filename = path + os.sep + 'server.cert'
+            if not os.path.exists(node_pkey_file) or \
+               not os.path.exists(node_gid_file):
+                self.get_node_key()
+
+            # get node's hrn
+            gid = GID(filename=node_gid_file)
+            hrn = gid.get_hrn()
+            # get credential from registry
+            cert_str = Certificate(filename=cert_filename).save_to_string(save_parents=True)
+            registry = self.get_registry()
+            cred = registry.get_self_credential(cert_str, 'node', hrn)
+            Credential(string=cred).save_to_file(credfile, save_parents=True)            
+
+            return cred
+
+    def clean_key_cred(self):
+        """
+        remove the existing keypair and cred  and generate new ones
+        """
+        files = ["server.key", "server.cert", "node.cred"]
+        for f in files:
+            filepath = KEYDIR + os.sep + f
+            if os.path.isfile(filepath):
+                os.unlink(f)
+
+        # install the new key pair
+        # get_credential will take care of generating the new keypair
+        # and credential
+        self.get_node_key()
+        self.getCredential()
+
+