avoid as much as possible accessing logger through class instances, whenever that...
[sfa.git] / sfa / server / sfa-start.py
index d4a3131..5b386c0 100755 (executable)
@@ -14,7 +14,7 @@
 # is up to date and accurate.
 #
 # 1) Import the existing planetlab database, creating the
 # is up to date and accurate.
 #
 # 1) Import the existing planetlab database, creating the
-#    appropriate SFA records. This is done by running the "sfa-import-plc.py" tool.
+#    appropriate SFA records. This is done by running the "sfa-import.py" tool.
 #
 # 2) Create a "trusted_roots" directory and place the certificate of the root
 #    authority in that directory. Given the defaults in sfa-import-plc.py, this
 #
 # 2) Create a "trusted_roots" directory and place the certificate of the root
 #    authority in that directory. Given the defaults in sfa-import-plc.py, this
 # TODO: Can all three servers use the same "registry" certificate?
 ##
 
 # TODO: Can all three servers use the same "registry" certificate?
 ##
 
-# TCP ports for the three servers
-#registry_port=12345
-#aggregate_port=12346
-#slicemgr_port=12347
-### xxx todo not in the config yet
-component_port=12346
-import os, os.path
+# xxx todo not in the config yet
+component_port = 12346
+import os
+import os.path
 import traceback
 import sys
 from optparse import OptionParser
 
 import traceback
 import sys
 from optparse import OptionParser
 
-from sfa.util.sfalogging import logger
+from sfa.util.sfalogging import init_logger, logger
 from sfa.util.xrn import get_authority, hrn_to_urn
 from sfa.util.config import Config
 from sfa.util.xrn import get_authority, hrn_to_urn
 from sfa.util.config import Config
-import sfa.client.xmlrpcprotocol as xmlrpcprotocol
 
 
+from sfa.trust.gid import GID
+from sfa.trust.trustedroots import TrustedRoots
 from sfa.trust.certificate import Keypair, Certificate
 from sfa.trust.hierarchy import Hierarchy
 from sfa.trust.gid import GID
 
 from sfa.server.sfaapi import SfaApi
 from sfa.trust.certificate import Keypair, Certificate
 from sfa.trust.hierarchy import Hierarchy
 from sfa.trust.gid import GID
 
 from sfa.server.sfaapi import SfaApi
-
 from sfa.server.registry import Registries
 from sfa.server.aggregate import Aggregates
 
 from sfa.server.registry import Registries
 from sfa.server.aggregate import Aggregates
 
-# after http://www.erlenstar.demon.co.uk/unix/faq_2.html
+from sfa.client.return_value import ReturnValue
+
+
 def daemon():
 def daemon():
-    """Daemonize the current process."""
-    if os.fork() != 0: os._exit(0)
+    """
+    Daemonize the current process.
+    after http://www.erlenstar.demon.co.uk/unix/faq_2.html
+    """
+    if os.fork() != 0:
+        os._exit(0)
     os.setsid()
     os.setsid()
-    if os.fork() != 0: os._exit(0)
+    if os.fork() != 0:
+        os._exit(0)
     os.umask(0)
     devnull = os.open(os.devnull, os.O_RDWR)
     os.dup2(devnull, 0)
     os.umask(0)
     devnull = os.open(os.devnull, os.O_RDWR)
     os.dup2(devnull, 0)
-    # xxx fixme - this is just to make sure that nothing gets stupidly lost - should use devnull
-    crashlog = os.open('/var/log/httpd/sfa_access_log', os.O_RDWR | os.O_APPEND | os.O_CREAT, 0644)
+    # xxx fixme - this is just to make sure that nothing gets stupidly lost -
+    # should use devnull
+    logdir = '/var/log/httpd'
+    # when installed in standalone we might not have httpd installed
+    if not os.path.isdir(logdir):
+        os.mkdir('/var/log/httpd')
+    crashlog = os.open('%s/sfa_access_log' % logdir,
+                       os.O_RDWR | os.O_APPEND | os.O_CREAT, 0644)
     os.dup2(crashlog, 1)
     os.dup2(crashlog, 2)
 
     os.dup2(crashlog, 1)
     os.dup2(crashlog, 2)
 
-def init_server_key(server_key_file, server_cert_file, config, hierarchy):
-
-    hrn = config.SFA_INTERFACE_HRN.lower()
-    # check if the server's private key exists. If it doesnt,
-    # get the right one from the authorities directory. If it cant be
-    # found in the authorities directory, generate a random one
-    if not os.path.exists(server_key_file):
-        hrn = config.SFA_INTERFACE_HRN.lower()
-        hrn_parts = hrn.split(".")
-        rel_key_path = hrn
-        pkey_filename = hrn+".pkey"
-
-        # sub authority's have "." in their hrn. This must
-        # be converted to os.path separator
-        if len(hrn_parts) > 0:
-            rel_key_path = hrn.replace(".", os.sep)
-            pkey_filename= hrn_parts[-1]+".pkey"
-
-        key_file = os.sep.join([hierarchy.basedir, rel_key_path, pkey_filename])
-        if not os.path.exists(key_file):
-            # if it doesnt exist then this is probably a fresh interface
-            # with no records. Generate a random keypair for now
-            logger.debug("server's public key not found in %s" % key_file)
-
-            logger.debug("generating a random server key pair")
-            key = Keypair(create=True)
-            key.save_to_file(server_key_file)
-            init_server_cert(hrn, key, server_cert_file, self_signed=True)    
-
-        else:
-            # the pkey was found in the authorites directory. lets 
-            # copy it to where the server key should be and generate
-            # the cert
-            key = Keypair(filename=key_file)
-            key.save_to_file(server_key_file)
-            init_server_cert(hrn, key, server_cert_file)    
-
-    # If private key exists and cert doesnt, recreate cert
-    if (os.path.exists(server_key_file)) and (not os.path.exists(server_cert_file)):
-        key = Keypair(filename=server_key_file)
-        init_server_cert(hrn, key, server_cert_file)    
-
-
-def init_server_cert(hrn, key, server_cert_file, self_signed=False):
-    """
-    Setup the certificate for this server. Attempt to use gid before 
-    creating a self signed cert 
-    """
-    if self_signed:
-        init_self_signed_cert(hrn, key, server_cert_file)
-    else:
-        try:
-            # look for gid file
-            logger.debug("generating server cert from gid: %s"% hrn)
-            hierarchy = Hierarchy()
-            auth_info = hierarchy.get_auth_info(hrn)
-            gid = GID(filename=auth_info.gid_filename)
-            gid.save_to_file(filename=server_cert_file)
-        except:
-            # fall back to self signed cert
-            logger.debug("gid for %s not found" % hrn)
-            init_self_signed_cert(hrn, key, server_cert_file)        
-        
-def init_self_signed_cert(hrn, key, server_cert_file):
-    logger.debug("generating self signed cert")
-    # generate self signed certificate
-    cert = Certificate(subject=hrn)
-    cert.set_issuer(key=key, subject=hrn)
-    cert.set_pubkey(key)
-    cert.sign()
-    cert.save_to_file(server_cert_file)
 
 def install_peer_certs(server_key_file, server_cert_file):
     """
 
 def install_peer_certs(server_key_file, server_cert_file):
     """
-    Attempt to install missing trusted gids and db records for 
+    Attempt to install missing trusted gids and db records for
     our federated interfaces
     """
     # Attempt to get any missing peer gids
     # There should be a gid file in /etc/sfa/trusted_roots for every
     # peer registry found in in the registries.xml config file. If there
     # are any missing gids, request a new one from the peer registry.
     our federated interfaces
     """
     # Attempt to get any missing peer gids
     # There should be a gid file in /etc/sfa/trusted_roots for every
     # peer registry found in in the registries.xml config file. If there
     # are any missing gids, request a new one from the peer registry.
-    api = SfaApi(key_file = server_key_file, cert_file = server_cert_file)
+    api = SfaApi(key_file=server_key_file, cert_file=server_cert_file)
     registries = Registries()
     aggregates = Aggregates()
     interfaces = dict(registries.items() + aggregates.items())
     registries = Registries()
     aggregates = Aggregates()
     interfaces = dict(registries.items() + aggregates.items())
@@ -156,24 +95,28 @@ def install_peer_certs(server_key_file, server_cert_file):
     #gids = self.get_peer_gids(new_hrns) + gids_current
     peer_gids = []
     if not new_hrns:
     #gids = self.get_peer_gids(new_hrns) + gids_current
     peer_gids = []
     if not new_hrns:
-        return 
+        return
 
     trusted_certs_dir = api.config.get_trustedroots_dir()
     for new_hrn in new_hrns:
 
     trusted_certs_dir = api.config.get_trustedroots_dir()
     for new_hrn in new_hrns:
-        if not new_hrn: continue
+        if not new_hrn:
+            continue
         # the gid for this interface should already be installed
         # the gid for this interface should already be installed
-        if new_hrn == api.config.SFA_INTERFACE_HRN: continue
+        if new_hrn == api.config.SFA_INTERFACE_HRN:
+            continue
         try:
             # get gid from the registry
             url = interfaces[new_hrn].get_url()
         try:
             # get gid from the registry
             url = interfaces[new_hrn].get_url()
-            interface = interfaces[new_hrn].server_proxy(server_key_file, server_cert_file, timeout=30)
+            interface = interfaces[new_hrn].server_proxy(
+                server_key_file, server_cert_file, timeout=30)
             # skip non sfa aggregates
             server_version = api.get_cached_server_version(interface)
             if 'sfa' not in server_version:
             # skip non sfa aggregates
             server_version = api.get_cached_server_version(interface)
             if 'sfa' not in server_version:
-                logger.info("get_trusted_certs: skipping non sfa aggregate: %s" % new_hrn)
+                logger.info(
+                    "get_trusted_certs: skipping non sfa aggregate: %s" % new_hrn)
                 continue
                 continue
-      
-            trusted_gids = interface.get_trusted_certs()
+
+            trusted_gids = ReturnValue.get_value(interface.get_trusted_certs())
             if trusted_gids:
                 # the gid we want should be the first one in the list,
                 # but lets make sure
             if trusted_gids:
                 # the gid we want should be the first one in the list,
                 # but lets make sure
@@ -182,97 +125,110 @@ def install_peer_certs(server_key_file, server_cert_file):
                     message = "interface: %s\t" % (api.interface)
                     message += "unable to install trusted gid for %s" % \
                                (new_hrn)
                     message = "interface: %s\t" % (api.interface)
                     message += "unable to install trusted gid for %s" % \
                                (new_hrn)
-                    gid = GID(string=trusted_gids[0])
+                    gid = GID(string=trusted_gid)
                     peer_gids.append(gid)
                     if gid.get_hrn() == new_hrn:
                     peer_gids.append(gid)
                     if gid.get_hrn() == new_hrn:
-                        gid_filename = os.path.join(trusted_certs_dir, '%s.gid' % new_hrn)
+                        gid_filename = os.path.join(
+                            trusted_certs_dir, '%s.gid' % new_hrn)
                         gid.save_to_file(gid_filename, save_parents=True)
                         message = "installed trusted cert for %s" % new_hrn
                     # log the message
                         gid.save_to_file(gid_filename, save_parents=True)
                         message = "installed trusted cert for %s" % new_hrn
                     # log the message
-                    api.logger.info(message)
-        except:
+                    logger.info(message)
+        except Exception:
             message = "interface: %s\tunable to install trusted gid for %s" % \
             message = "interface: %s\tunable to install trusted gid for %s" % \
-                        (api.interface, new_hrn)
-            api.logger.log_exc(message)
+                (api.interface, new_hrn)
+            logger.log_exc(message)
     # doesnt matter witch one
     update_cert_records(peer_gids)
 
     # doesnt matter witch one
     update_cert_records(peer_gids)
 
+
 def update_cert_records(gids):
     """
 def update_cert_records(gids):
     """
-    Make sure there is a record in the registry for the specified gids. 
+    Make sure there is a record in the registry for the specified gids.
     Removes old records from the db.
     """
     Removes old records from the db.
     """
-    # import SfaTable here so this module can be loaded by PlcComponentApi
-    from sfa.util.table import SfaTable
-    from sfa.util.record import SfaRecord
+    # import db stuff here here so this module can be loaded by PlcComponentApi
+    from sfa.storage.alchemy import global_dbsession
+    from sfa.storage.model import RegRecord
+    dbsession = global_dbsession
     if not gids:
         return
     if not gids:
         return
-    table = SfaTable()
     # get records that actually exist in the db
     gid_urns = [gid.get_urn() for gid in gids]
     hrns_expected = [gid.get_hrn() for gid in gids]
     # get records that actually exist in the db
     gid_urns = [gid.get_urn() for gid in gids]
     hrns_expected = [gid.get_hrn() for gid in gids]
-    records_found = table.find({'hrn': hrns_expected, 'pointer': -1}) 
+    records_found = dbsession.query(RegRecord).\
+        filter_by(pointer=-1).filter(RegRecord.hrn.in_(hrns_expected)).all()
 
     # remove old records
     for record in records_found:
 
     # remove old records
     for record in records_found:
-        if record['hrn'] not in hrns_expected and \
-            record['hrn'] != self.api.config.SFA_INTERFACE_HRN:
-            table.remove(record)
+        if record.hrn not in hrns_expected and \
+                record.hrn != self.api.config.SFA_INTERFACE_HRN:
+            dbsession.delete(record)
 
 
-    # TODO: store urn in the db so we do this in 1 query 
+    # TODO: store urn in the db so we do this in 1 query
     for gid in gids:
         hrn, type = gid.get_hrn(), gid.get_type()
     for gid in gids:
         hrn, type = gid.get_hrn(), gid.get_type()
-        record = table.find({'hrn': hrn, 'type': type, 'pointer': -1})
+        record = dbsession.query(RegRecord).filter_by(
+            hrn=hrn, type=type, pointer=-1).first()
         if not record:
         if not record:
-            record = {
-                'hrn': hrn, 'type': type, 'pointer': -1,
-                'authority': get_authority(hrn),
-                'gid': gid.save_to_string(save_parents=True),
-            }
-            record = SfaRecord(dict=record)
-            table.insert(record)
-        
+            record = RegRecord(
+                dict={'type': type,
+                      'hrn': hrn,
+                      'authority': get_authority(hrn),
+                      'gid': gid.save_to_string(save_parents=True),
+                      })
+            dbsession.add(record)
+    dbsession.commit()
+
+
 def main():
     # Generate command line parser
     parser = OptionParser(usage="sfa-start.py [options]")
     parser.add_option("-r", "--registry", dest="registry", action="store_true",
 def main():
     # Generate command line parser
     parser = OptionParser(usage="sfa-start.py [options]")
     parser.add_option("-r", "--registry", dest="registry", action="store_true",
-         help="run registry server", default=False)
+                      help="run registry server", default=False)
     parser.add_option("-s", "--slicemgr", dest="sm", action="store_true",
     parser.add_option("-s", "--slicemgr", dest="sm", action="store_true",
-         help="run slice manager", default=False)
+                      help="run slice manager", default=False)
     parser.add_option("-a", "--aggregate", dest="am", action="store_true",
     parser.add_option("-a", "--aggregate", dest="am", action="store_true",
-         help="run aggregate manager", default=False)
+                      help="run aggregate manager", default=False)
     parser.add_option("-c", "--component", dest="cm", action="store_true",
     parser.add_option("-c", "--component", dest="cm", action="store_true",
-         help="run component server", default=False)
-    parser.add_option("-t", "--trusted-certs", dest="trusted_certs", action="store_true",
-         help="refresh trusted certs", default=False)
-    parser.add_option("-v", "--verbose", action="count", dest="verbose", default=0,
-         help="verbose mode - cumulative")
+                      help="run component server", default=False)
+    parser.add_option("-t", "--trusted-certs",
+                      dest="trusted_certs", action="store_true",
+                      help="refresh trusted certs", default=False)
     parser.add_option("-d", "--daemon", dest="daemon", action="store_true",
     parser.add_option("-d", "--daemon", dest="daemon", action="store_true",
-         help="Run as daemon.", default=False)
+                      help="Run as daemon.", default=False)
     (options, args) = parser.parse_args()
     (options, args) = parser.parse_args()
-    
+
     config = Config()
     config = Config()
-    if config.SFA_API_DEBUG: pass
+    init_logger('server')
+    logger.setLevelFromOptVerbose(config.SFA_API_LOGLEVEL)
+
+    # ge the server's key and cert
     hierarchy = Hierarchy()
     hierarchy = Hierarchy()
-    server_key_file = os.path.join(hierarchy.basedir, "server.key")
-    server_cert_file = os.path.join(hierarchy.basedir, "server.cert")
+    auth_info = hierarchy.get_interface_auth_info()
+    server_key_file = auth_info.get_privkey_filename()
+    server_cert_file = auth_info.get_gid_filename()
 
 
-    init_server_key(server_key_file, server_cert_file, config, hierarchy)
+    # ensure interface cert is present in trusted roots dir
+    trusted_roots = TrustedRoots(config.get_trustedroots_dir())
+    trusted_roots.add_gid(GID(filename=server_cert_file))
+    if (options.daemon):
+        daemon()
 
 
-    if (options.daemon):  daemon()
-    
     if options.trusted_certs:
     if options.trusted_certs:
-        install_peer_certs(server_key_file, server_cert_file)   
-    
+        install_peer_certs(server_key_file, server_cert_file)
+
     # start registry server
     if (options.registry):
         from sfa.server.registry import Registry
     # start registry server
     if (options.registry):
         from sfa.server.registry import Registry
-        r = Registry("", config.SFA_REGISTRY_PORT, server_key_file, server_cert_file)
+        r = Registry("", config.SFA_REGISTRY_PORT,
+                     server_key_file, server_cert_file)
         r.start()
 
     if (options.am):
         from sfa.server.aggregate import Aggregate
         r.start()
 
     if (options.am):
         from sfa.server.aggregate import Aggregate
-        a = Aggregate("", config.SFA_AGGREGATE_PORT, server_key_file, server_cert_file)
+        a = Aggregate("", config.SFA_AGGREGATE_PORT,
+                      server_key_file, server_cert_file)
         a.start()
 
     # start slice manager
         a.start()
 
     # start slice manager
@@ -283,12 +239,14 @@ def main():
 
     if (options.cm):
         from sfa.server.component import Component
 
     if (options.cm):
         from sfa.server.component import Component
-        c = Component("", config.component_port, server_key_file, server_cert_file)
+        c = Component("", config.component_port,
+                      server_key_file, server_cert_file)
 #        c = Component("", config.SFA_COMPONENT_PORT, server_key_file, server_cert_file)
         c.start()
 
 if __name__ == "__main__":
     try:
         main()
 #        c = Component("", config.SFA_COMPONENT_PORT, server_key_file, server_cert_file)
         c.start()
 
 if __name__ == "__main__":
     try:
         main()
-    except:
-        logger.log_exc_critical("SFA server is exiting")
+    except Exception:
+        logger.log_exc("SFA server is exiting")
+        exit(1)