X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fserver%2Fsfa-server.py;h=c981158b390606cc604d6877f500a54039fb36b7;hb=db091e73c33c373b7f6c2c96bd2caf6a2acf0178;hp=4614e7450b54cb0e9dc0c171e347af2bfd62d6d9;hpb=715c2ed6a182d8b95feeb83c91b41a0407feadb1;p=sfa.git diff --git a/sfa/server/sfa-server.py b/sfa/server/sfa-server.py index 4614e745..c981158b 100755 --- a/sfa/server/sfa-server.py +++ b/sfa/server/sfa-server.py @@ -1,11 +1,8 @@ #!/usr/bin/python # -### $Id$ -### $URL$ +# SFA PLC Wrapper # -# GENI PLC Wrapper -# -# This wrapper implements the Geni Registry and Slice Interfaces on PLC. +# This wrapper implements the SFA Registry and Slice Interfaces on PLC. # Depending on command line options, it starts some combination of a # Registry, an Aggregate Manager, and a Slice Manager. # @@ -18,7 +15,7 @@ # is up to date and accurate. # # 1) Import the existing planetlab database, creating the -# appropriate geni records. This is done by running the "sfa-import-plc.py" tool. +# appropriate SFA records. This is done by running the "sfa-import-plc.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 @@ -30,23 +27,26 @@ ## # TCP ports for the three servers -registry_port=12345 -aggregate_port=12346 -slicemgr_port=12347 - +#registry_port=12345 +#aggregate_port=12346 +#slicemgr_port=12347 +### xxx todo not in the config yet +component_port=12346 import os, os.path +import traceback import sys from optparse import OptionParser +from sfa.util.sfalogging import logger from sfa.trust.trustedroot import TrustedRootList from sfa.trust.certificate import Keypair, Certificate - -from sfa.server.registry import Registry -from sfa.server.aggregate import Aggregate -from sfa.server.slicemgr import SliceMgr from sfa.trust.hierarchy import Hierarchy +from sfa.trust.gid import GID from sfa.util.config import Config -from sfa.util.report import trace +from sfa.plc.api import SfaAPI +from sfa.server.registry import Registries +from sfa.server.aggregate import Aggregates + # after http://www.erlenstar.demon.co.uk/unix/faq_2.html def daemon(): @@ -58,59 +58,38 @@ def daemon(): 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/sfa.daemon', os.O_RDWR | os.O_APPEND | os.O_CREAT, 0644) + crashlog = os.open('/var/log/httpd/sfa_access_log', os.O_RDWR | os.O_APPEND | os.O_CREAT, 0644) os.dup2(crashlog, 1) os.dup2(crashlog, 2) -def main(): - # xxx get rid of globals - name consistently CamelCase or under_score - global AuthHierarchy - global TrustedRoots - global registry_port - global aggregate_port - global slicemgr_port - - # Generate command line parser - parser = OptionParser(usage="sfa-server [options]") - parser.add_option("-r", "--registry", dest="registry", action="store_true", - help="run registry server", default=False) - parser.add_option("-s", "--slicemgr", dest="sm", action="store_true", - help="run slice manager", default=False) - parser.add_option("-a", "--aggregate", dest="am", action="store_true", - help="run aggregate manager", default=False) - parser.add_option("-v", "--verbose", dest="verbose", action="store_true", - help="verbose mode", default=False) - parser.add_option("-d", "--daemon", dest="daemon", action="store_true", - help="Run as daemon.", default=False) - (options, args) = parser.parse_args() +def init_server_key(server_key_file, server_cert_file, config, hierarchy): - config = Config() - hierarchy = Hierarchy() - trusted_roots = TrustedRootList(config.get_trustedroots_dir()) - server_key_file = os.path.join(hierarchy.basedir, "server.key") - server_cert_file = os.path.join(hierarchy.basedir, "server.cert") - # XX TODO: Subject should be the interfaces's hrn - subject = "registry" - if (options.daemon): daemon() - + 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() - key_file = os.sep.join([hierarchy.basedir, hrn, hrn+".pkey"]) + 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 - trace("server's public key not found in %s" % key_file) - trace("generating a random server key pair") + 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) - cert = Certificate(subject=subject) - cert.set_issuer(key=key, subject=subject) - cert.set_pubkey(key) - cert.sign() - cert.save_to_file(server_cert_file) + init_server_cert(hrn, key, server_cert_file, self_signed=True) else: # the pkey was found in the authorites directory. lets @@ -118,36 +97,135 @@ def main(): # the cert key = Keypair(filename=key_file) key.save_to_file(server_key_file) - cert = Certificate(subject=subject) - cert.set_issuer(key=key, subject=subject) - cert.set_pubkey(key) - cert.sign() - cert.save_to_file(server_cert_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) - cert = Certificate(subject=subject) - cert.set_issuer(key=key, subject=subject) - cert.set_pubkey(key) - cert.sign() - cert.save_to_file(server_cert_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 init_server(options, config): + """ + Execute the init method defined in the manager file + """ + def init_manager(manager_module, manager_base): + try: manager = __import__(manager_module, fromlist=[manager_base]) + except: manager = None + if manager and hasattr(manager, 'init_server'): + manager.init_server() + + manager_base = 'sfa.managers' + if options.registry: + mgr_type = config.SFA_REGISTRY_TYPE + manager_module = manager_base + ".registry_manager_%s" % mgr_type + init_manager(manager_module, manager_base) + if options.am: + mgr_type = config.SFA_AGGREGATE_TYPE + manager_module = manager_base + ".aggregate_manager_%s" % mgr_type + init_manager(manager_module, manager_base) + if options.sm: + mgr_type = config.SFA_SM_TYPE + manager_module = manager_base + ".slice_manager_%s" % mgr_type + init_manager(manager_module, manager_base) + if options.cm: + mgr_type = config.SFA_CM_TYPE + manager_module = manager_base + ".component_manager_%s" % mgr_type + init_manager(manager_module, manager_base) + +def sync_interfaces(server_key_file, server_cert_file): + """ + Attempt to install missing trusted gids and db records for + our federated interfaces + """ + api = SfaAPI(key_file = server_key_file, cert_file = server_cert_file) + registries = Registries(api) + aggregates = Aggregates(api) + registries.sync_interfaces() + aggregates.sync_interfaces() + +def main(): + # Generate command line parser + parser = OptionParser(usage="sfa-server [options]") + parser.add_option("-r", "--registry", dest="registry", action="store_true", + help="run registry server", default=False) + parser.add_option("-s", "--slicemgr", dest="sm", action="store_true", + help="run slice manager", default=False) + parser.add_option("-a", "--aggregate", dest="am", action="store_true", + help="run aggregate manager", default=False) + parser.add_option("-c", "--component", dest="cm", action="store_true", + help="run component server", default=False) + parser.add_option("-v", "--verbose", action="count", dest="verbose", default=0, + help="verbose mode - cumulative") + parser.add_option("-d", "--daemon", dest="daemon", action="store_true", + help="Run as daemon.", default=False) + (options, args) = parser.parse_args() + + config = Config() + if config.SFA_API_DEBUG: pass + hierarchy = Hierarchy() + server_key_file = os.path.join(hierarchy.basedir, "server.key") + server_cert_file = os.path.join(hierarchy.basedir, "server.cert") + + init_server_key(server_key_file, server_cert_file, config, hierarchy) + init_server(options, config) + sync_interfaces(server_key_file, server_cert_file) + + if (options.daemon): daemon() # start registry server if (options.registry): - r = Registry("", registry_port, server_key_file, server_cert_file) + from sfa.server.registry import Registry + r = Registry("", config.SFA_REGISTRY_PORT, server_key_file, server_cert_file) r.start() - # start aggregate manager if (options.am): - a = Aggregate("", aggregate_port, server_key_file, server_cert_file) + from sfa.server.aggregate import Aggregate + a = Aggregate("", config.SFA_AGGREGATE_PORT, server_key_file, server_cert_file) a.start() # start slice manager if (options.sm): - s = SliceMgr("", slicemgr_port, server_key_file, server_cert_file) + from sfa.server.slicemgr import SliceMgr + s = SliceMgr("", config.SFA_SM_PORT, server_key_file, server_cert_file) s.start() + if (options.cm): + from sfa.server.component import Component + 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__": - main() + try: + main() + except: + logger.log_exc_critical("SFA server is exiting")