class NodeControl(object): def __init__(self, control_uri, barrier): super(NodeControl, self).__init__() self._id = None self._uri = None self.control_uri = control_uri self.request_handler = RequestHandler() # When barrier ordered make sure we can contact the runtime if barrier: failed = True # Try 20 times waiting for control API to be up and running for i in range(20): try: self._id = self.request_handler.get_node_id(self) failed = False break except: time.sleep(0.1) assert not failed @property def id(self): if self._id is None: self._id = self.request_handler.get_node_id(self) return self._id @property def uri(self): if self._uri is None: self._uri = self.request_handler.get_node(self, self.id)["uri"] return self._uri
class NodeControl(object): def __init__(self, control_uri, barrier): super(NodeControl, self).__init__() self._id = None self._uris = None self.control_uri = control_uri self.request_handler = RequestHandler() delay = 0.1 # When barrier ordered make sure we can contact the runtime if barrier: success = False # Try 20 times waiting for control API to be up and running for i in range(20): try: self._id = self.request_handler.get_node_id(self) success = True break except Exception: time.sleep(delay) delay = 2 * delay if delay < 1.0 else 1.0 assert success @property def id(self): if self._id is None: self._id = self.request_handler.get_node_id(self) return self._id @property def uris(self): if self._uris is None: self._uris = self.request_handler.get_node(self, self.id)["uris"] return self._uris
def setup_module(module): global request_handler global runtime1 request_handler = RequestHandler() runtime1 = RT("http://127.0.0.1:5001") runtime1.id = request_handler.get_node_id(runtime1.control_uri)
class CalvinActorMigrationTestBase(unittest.TestCase): """ Base class for test actor migration. Based on CalvinTestBase but without the global variables """ def setUp(self): self.request_handler = RequestHandler() self.test_type, [self.rt1, self.rt2, self.rt3] = helpers.setup_test_type(self.request_handler) def tearDown(self): helpers.teardown_test_type(self.request_handler, [self.rt1, self.rt2, self.rt3], self.test_type) def wait_for_migration(self, runtime, actors, retries=20): retry = 0 if not isinstance(actors, list): actors = [actors] while retry < retries: try: current = self.request_handler.get_actors(runtime) if set(actors).issubset(set(current)): break else: _log.info("Migration not finished, retrying in %f" % (retry * 0.1,)) retry += 1 time.sleep(retry * 0.1) except Exception as e: _log.info("Migration not finished %s, retrying in %f" % (str(e), retry * 0.1,)) retry += 1 time.sleep(retry * 0.1) if retry == retries: _log.info("Migration failed, after %d retries" % (retry,)) raise Exception("Migration failed") def migrate(self, source, dest, actor): self.request_handler.migrate(source, actor, dest.id) self.wait_for_migration(dest, [actor])
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest global runtimes global rt_attributes global request_handler try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old testdir, err={}".format(err) pass try: shutil.copytree(orig_identity_provider_path, identity_provider_path) except Exception as err: _log.error("Failed to create test folder structure, err={}".format(err)) print "Failed to create test folder structure, err={}".format(err) raise helpers.sign_files_for_security_tests(credentials_testdir) runtimes = helpers.create_CA_and_generate_runtime_certs(domain_name, credentials_testdir, NBR_OF_RUNTIMES) #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path(type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) request_handler = RequestHandler(verify=truststore_dir) #Let's use the admin user0 for request_handler request_handler.set_credentials({"user": "******", "password": "******"}) rt_conf = copy.deepcopy(_conf) rt_conf.set('security', 'security_dir', credentials_testdir) rt_conf.set('global', 'actor_paths', [actor_store_path]) # Runtime 0: Certificate authority, authentication server, authorization server, proxy storage server. rt0_conf = copy.deepcopy(rt_conf) rt0_conf.set('global','storage_type','local') rt0_conf.set("security", "security_conf", { "comment": "Authentication server accepting external requests", "authentication": { "procedure": "local", "identity_provider_path": identity_provider_path, "accept_external_requests": True } }) rt0_conf.save("/tmp/calvin5000.conf") # Other runtimes rt_conf.set('global','storage_type','proxy') rt_conf.set('global','storage_proxy',"calvinip://%s:5000" % ip_addr ) rt_conf.set("security", "security_conf", { "comment": "External authentication", "authentication": { "procedure": "external" } }) for i in range(1, NBR_OF_RUNTIMES): rt_conf.save("/tmp/calvin500{}.conf".format(i)) helpers.start_all_runtimes(runtimes, hostname, request_handler) request.addfinalizer(self.teardown)
def setUp(self): global request_handler request_handler = RequestHandler() self.rt1, _ = dispatch_node(["calvinip://%s:5000" % (ip_addr,)], "http://%s:5003" % ip_addr) self.rt2, _ = dispatch_node(["calvinip://%s:5001" % (ip_addr,)], "http://%s:5004" % ip_addr) self.rt3, _ = dispatch_node(["calvinip://%s:5002" % (ip_addr,)], "http://%s:5005" % ip_addr) request_handler.peer_setup(self.rt1, ["calvinip://%s:5001" % (ip_addr,), "calvinip://%s:5002" % (ip_addr, )]) request_handler.peer_setup(self.rt2, ["calvinip://%s:5000" % (ip_addr,), "calvinip://%s:5002" % (ip_addr, )]) request_handler.peer_setup(self.rt3, ["calvinip://%s:5000" % (ip_addr,), "calvinip://%s:5001" % (ip_addr, )])
def get_node_id(rt): request_handler = RequestHandler() for x in range(0, 10): try: rt.id = request_handler.get_node_id(rt.control_uri) return True except: pass time.sleep(1) print "Failed to get node id from '%s'" % rt.control_uri return False
def __init__(self, runtime, deployable, credentials=None, verify=True): super(Deployer, self).__init__() self.runtime = runtime self.deployable = deployable self.credentials = credentials self.actor_map = {} self.app_id = None self.verify = verify self.request_handler = RequestHandler() if "name" in self.deployable: self.name = self.deployable["name"] else: self.name = None
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest import fileinput global runtimes global rt_attributes global request_handler try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old tesdir, err={}".format(err) pass helpers.sign_files_for_security_tests(credentials_testdir) runtimes = helpers.create_CA_and_generate_runtime_certs(domain_name, credentials_testdir, NBR_OF_RUNTIMES) #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path(type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) request_handler = RequestHandler(verify=truststore_dir) rt_conf = copy.deepcopy(_conf) rt_conf.set('security', 'domain_name', domain_name) rt_conf.set('security', 'security_dir', credentials_testdir) rt_conf.set('global', 'actor_paths', [actor_store_path]) rt_conf.set('global', 'storage_type', "securedht") for i in range(NBR_OF_RUNTIMES): rt_conf.set('security','certificate_authority',{ 'domain_name':domain_name }) rt_conf.save("/tmp/calvin{}.conf".format(5000+i)) helpers.start_all_runtimes(runtimes, hostname, request_handler) request.addfinalizer(self.teardown)
class Deployer(object): """ Deprecated! Thin layer to support legacy users. New users should use the control REST API or the RequestHandler.deploy_application or RequestHandler.deploy_app_info Deploys an application to a runtime. """ def __init__(self, runtime, deployable, credentials=None, verify=True): super(Deployer, self).__init__() self.runtime = runtime self.deployable = deployable self.credentials = credentials self.actor_map = {} self.app_id = None self.verify = verify self.request_handler = RequestHandler() if "name" in self.deployable: self.name = self.deployable["name"] else: self.name = None def deploy(self): """ Ask a runtime to instantiate actors and link them together. """ if not self.deployable['valid']: import json print(json.dumps(self.deployable, indent=2, default=str)) raise Exception("Deploy information is not valid") result = self.request_handler.deploy_app_info( self.runtime, self.name, self.deployable, credentials=self.credentials, check=self.verify) self.app_id = result['application_id'] self.actor_map = result['actor_map'] return self.app_id def destroy(self): return self.request_handler.delete_application(self.runtime, self.app_id)
def __init__(self, node): _log.debug("Security: _init_") self.sec_conf = _conf.get("security","security_conf") if self.sec_conf is not None and not self.sec_conf.get('signature_trust_store', None): # Set default directory for trust store homefolder = os.path.expanduser("~") truststore_dir = os.path.join(homefolder, ".calvin", "security", "trustStore") self.sec_conf['signature_trust_store'] = truststore_dir self.node = node self.subject = {} self.auth = {} self.request_handler = RequestHandler()
def setup_module(module): global request_handler global runtime1 global runtime2 global constrained_id global constrained_process request_handler = RequestHandler() runtime1 = RT("http://127.0.0.1:5001") runtime1.id = request_handler.get_node_id(runtime1.control_uri) runtime2 = RT("http://127.0.0.1:5003") runtime2.id = request_handler.get_node_id(runtime2.control_uri) # start constrained constrained_process = subprocess.Popen( calvin_command + " -a '{\"indexed_public\": {\"node_name\": {\"organization\": \"com.ericsson\", \"purpose\": \"distributed-test\", \"group\": \"rest\", \"name\": \"constrained\"}}}' -u '[\"calvinip://127.0.0.1:5000\", \"ssdp\"]'", shell=True) for x in range(0, 10): peers = request_handler.get_nodes(runtime1) for peer in peers: peer_info = request_handler.get_node(runtime1, peer) if "constrained" in peer_info["attributes"]["indexed_public"][0]: constrained_id = peer return time.sleep(1) pytest.exit("Failed to get constrained runtimes")
class CalvinActorMigrationTestBase(unittest.TestCase): """ Base class for test actor migration. Based on CalvinTestBase but without the global variables """ def setUp(self): self.request_handler = RequestHandler() self.test_type, [self.rt1, self.rt2, self.rt3 ] = helpers.setup_test_type(self.request_handler) def tearDown(self): helpers.teardown_test_type(self.request_handler, [self.rt1, self.rt2, self.rt3], self.test_type) def wait_for_migration(self, runtime, actors, retries=20): retry = 0 if not isinstance(actors, list): actors = [actors] while retry < retries: try: current = self.request_handler.get_actors(runtime) if set(actors).issubset(set(current)): break else: _log.info("Migration not finished, retrying in %f" % (retry * 0.1, )) retry += 1 time.sleep(retry * 0.1) except Exception as e: _log.info("Migration not finished %s, retrying in %f" % ( str(e), retry * 0.1, )) retry += 1 time.sleep(retry * 0.1) if retry == retries: _log.info("Migration failed, after %d retries" % (retry, )) raise Exception("Migration failed") def migrate(self, source, dest, actor): self.request_handler.migrate(source, actor, dest.id) self.wait_for_migration(dest, [actor])
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest import fileinput global rt global rt_attributes global request_handler try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old tesdir, err={}".format(err) pass #This test does not really need signed actors/applications, but do it anyway to be #be able to deploy application similarly as the other security tests helpers.sign_files_for_security_tests(credentials_testdir) runtimes = helpers.create_CA_and_get_enrollment_passwords( domain_name, credentials_testdir, NBR_OF_RUNTIMES) #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path( type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) request_handler = RequestHandler(verify=truststore_dir) rt_conf = copy.deepcopy(_conf) rt_conf.set('security', 'security_dir', credentials_testdir) rt_conf.set('global', 'actor_paths', [actor_store_path]) rt_conf.set('security', 'control_interface_security', "tls") rt_conf.set('global', 'storage_type', "securedht") # Runtime 0: Certificate authority. rt0_conf = copy.deepcopy(rt_conf) rt0_conf.set('security', 'certificate_authority', { 'domain_name': domain_name, 'is_ca': 'True' }) rt0_conf.save("/tmp/calvin5000.conf") for i in range(1, NBR_OF_RUNTIMES): rt_conf.set( 'security', 'certificate_authority', { 'domain_name': domain_name, 'is_ca': 'False', 'enrollment_password': runtimes[i]["enrollment_password"] }) rt_conf.save("/tmp/calvin{}.conf".format(5000 + i)) rt = helpers.start_all_runtimes(runtimes, hostname, request_handler, tls=True) request.addfinalizer(self.teardown)
class Deployer(object): """ Deprecated! Thin layer to support legacy users. New users should use the control REST API or the RequestHandler.deploy_application or RequestHandler.deploy_app_info Deploys an application to a runtime. """ def __init__(self, runtime, deployable, credentials=None, verify=True): super(Deployer, self).__init__() self.runtime = runtime self.deployable = deployable self.credentials = credentials self.actor_map = {} self.app_id = None self.verify = verify self.request_handler = RequestHandler() if "name" in self.deployable: self.name = self.deployable["name"] else: self.name = None def deploy(self): """ Ask a runtime to instantiate actors and link them together. """ if not self.deployable['valid']: raise Exception("Deploy information is not valid") result = self.request_handler.deploy_app_info(self.runtime, self.name, self.deployable, credentials=self.credentials, check=self.verify) self.app_id = result['application_id'] self.actor_map = result['actor_map'] return self.app_id def destroy(self): return self.request_handler.delete_application(self.runtime, self.app_id)
def dispatch_and_deploy(app_info, wait, uris, control_uri, attr, credentials): from calvin.requests.request_handler import RequestHandler rt, process = runtime(uris, control_uri, attr, dispatch=True) app_id = None app_id = deploy(rt, app_info, credentials) print "Deployed application", app_id timeout = wait if wait else None if timeout: process.join(timeout) RequestHandler().quit(rt) time.sleep(0.1) else: process.join()
def dispatch_and_deploy(app_info, wait, uris, control_uri, attr, credentials): from calvin.requests.request_handler import RequestHandler rt, process = runtime(uris, control_uri, attr, dispatch=True) app_id = None app_id = deploy(rt, app_info, credentials) print "Deployed application", app_id timeout = wait if wait else None if timeout: process.join(timeout) RequestHandler().quit(rt) # This time has to be long enough for the mainloop to wrap things up, otherwise the program will hang indefinitely time.sleep(1.0) else: process.join()
def setUp(self): global request_handler request_handler = RequestHandler() self.rt1, _ = dispatch_node(["calvinip://%s:5000" % (ip_addr,)], "http://%s:5003" % ip_addr, attributes={'indexed_public': {'owner':{'organization': 'org.testexample', 'personOrGroup': 'testOwner1'}, 'node_name': {'organization': 'org.testexample', 'name': 'testNode1'}, 'address': {'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1}}}) self.rt2, _ = dispatch_node(["calvinip://%s:5001" % (ip_addr,)], "http://%s:5004" % ip_addr, attributes={'indexed_public': {'owner':{'organization': 'org.testexample', 'personOrGroup': 'testOwner1'}, 'node_name': {'organization': 'org.testexample', 'name': 'testNode2'}, 'address': {'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1}}}) self.rt3, _ = dispatch_node(["calvinip://%s:5002" % (ip_addr,)], "http://%s:5005" % ip_addr, attributes={'indexed_public': {'owner':{'organization': 'org.testexample', 'personOrGroup': 'testOwner2'}, 'node_name': {'organization': 'org.testexample', 'name': 'testNode3'}, 'address': {'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 2}}})
def setup_module(module): global runtime global runtimes global peerlist global kill_peers global request_handler ip_addr = None bt_master_controluri = None request_handler = RequestHandler() try: ip_addr = os.environ["CALVIN_TEST_IP"] purpose = os.environ["CALVIN_TEST_UUID"] except KeyError: pass if ip_addr is None: # Bluetooth tests assumes one master runtime with two connected peers # CALVIN_TEST_BT_MASTERCONTROLURI is the control uri of the master runtime try: bt_master_controluri = os.environ[ "CALVIN_TEST_BT_MASTERCONTROLURI"] _log.debug("Running Bluetooth tests") except KeyError: pass if ip_addr: remote_node_count = 2 kill_peers = False test_peers = None import socket ports = [] for a in range(2): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(('', 0)) addr = s.getsockname() ports.append(addr[1]) s.close() runtime, _ = dispatch_node(["calvinip://%s:%s" % (ip_addr, ports[0])], "http://%s:%s" % (ip_addr, ports[1])) _log.debug( "First runtime started, control http://%s:%s, calvinip://%s:%s" % (ip_addr, ports[1], ip_addr, ports[0])) interval = 0.5 for retries in range(1, 20): time.sleep(interval) _log.debug("Trying to get test nodes for 'purpose' %s" % purpose) test_peers = request_handler.get_index( runtime, format_index_string({ 'node_name': { 'organization': 'com.ericsson', 'purpose': purpose } })) if not test_peers is None and not test_peers["result"] is None and \ len(test_peers["result"]) == remote_node_count: test_peers = test_peers["result"] break if test_peers is None or len(test_peers) != remote_node_count: _log.debug( "Failed to find all remote nodes within time, peers = %s" % test_peers) raise Exception("Not all nodes found dont run tests, peers = %s" % test_peers) test_peer2_id = test_peers[0] test_peer2 = request_handler.get_node(runtime, test_peer2_id) if test_peer2: runtime2 = RT(test_peer2["control_uri"]) runtime2.id = test_peer2_id runtime2.uri = test_peer2["uri"] runtimes.append(runtime2) test_peer3_id = test_peers[1] if test_peer3_id: test_peer3 = request_handler.get_node(runtime, test_peer3_id) if test_peer3: runtime3 = RT(test_peer3["control_uri"]) runtime3.id = test_peer3_id runtime3.uri = test_peer3["uri"] runtimes.append(runtime3) elif bt_master_controluri: runtime = RT(bt_master_controluri) bt_master_id = request_handler.get_node_id(bt_master_controluri) data = request_handler.get_node(runtime, bt_master_id) if data: runtime.id = bt_master_id runtime.uri = data["uri"] test_peers = request_handler.get_nodes(runtime) test_peer2_id = test_peers[0] test_peer2 = request_handler.get_node(runtime, test_peer2_id) if test_peer2: rt2 = RT(test_peer2["control_uri"]) rt2.id = test_peer2_id rt2.uri = test_peer2["uri"] runtimes.append(rt2) test_peer3_id = test_peers[1] if test_peer3_id: test_peer3 = request_handler.get_node(runtime, test_peer3_id) if test_peer3: rt3 = request_handler.RT(test_peer3["control_uri"]) rt3.id = test_peer3_id rt3.uri = test_peer3["uri"] runtimes.append(rt3) else: try: ip_addr = os.environ["CALVIN_TEST_LOCALHOST"] except: import socket ip_addr = socket.gethostbyname(socket.gethostname()) localhost = "calvinip://%s:5000" % (ip_addr, ), "http://localhost:5001" remotehosts = [("calvinip://%s:%d" % (ip_addr, d), "http://localhost:%d" % (d + 1)) for d in range(5002, 5005, 2)] # remotehosts = [("calvinip://127.0.0.1:5002", "http://localhost:5003")] for host in remotehosts: runtimes += [dispatch_node([host[0]], host[1])[0]] runtime, _ = dispatch_node([localhost[0]], localhost[1]) time.sleep(1) # FIXME When storage up and running peersetup not needed, but still useful during testing request_handler.peer_setup(runtime, [i[0] for i in remotehosts]) time.sleep(0.5) """ # FIXME Does not yet support peerlist try: self.peerlist = peerlist( self.runtime, self.runtime.id, len(remotehosts)) # Make sure all peers agree on network [peerlist(self.runtime, p, len(self.runtimes)) for p in self.peerlist] except: self.peerlist = [] """ peerlist = [rt.control_uri for rt in runtimes] print "SETUP DONE ***", peerlist
# You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from calvin.utilities.nodecontrol import dispatch_node from calvin.requests.request_handler import RequestHandler import time # Get the handler for sending the API requests request_handler = RequestHandler() # create one node node_1 = dispatch_node(uri="calvinip://localhost:5000", control_uri="http://localhost:5001", attributes={'indexed_public': {'owner':{'organization': 'org.testexample', 'personOrGroup': 'me'}, 'node_name': {'organization': 'org.testexample', 'name': 'node-1'}}}) # send 'new actor' command to node counter_id = request_handler.new_actor(node_1, 'std.Counter', 'counter') # send 'new actor' command to node output_id = request_handler.new_actor(node_1, 'io.StandardOut', 'output') # send 'connect' command to node request_handler.connect(node_1, output_id, 'token', node_1.id, counter_id, 'integer')
def runtime_certificate(rt_attributes): import copy import requests import sys from calvin.requests.request_handler import RequestHandler from calvin.utilities.attribute_resolver import AttributeResolver from calvin.utilities import calvinconfig from calvin.utilities import calvinuuid from calvin.utilities import runtime_credentials from calvin.utilities import certificate from calvin.utilities import certificate_authority from calvin.runtime.south.plugins.storage.twistedimpl.dht.service_discovery_ssdp import parse_http_response global _conf global _log _conf = calvinconfig.get() if not _conf.get_section("security"): #If the security section is empty, no securty features are enabled and certificates aren't needed _log.debug("No runtime security enabled") else: _log.debug( "Some security features are enabled, let's make sure certificates are in place" ) _ca_conf = _conf.get("security", "certificate_authority") security_dir = _conf.get("security", "security_dir") storage_type = _conf.get("global", "storage_type") if _ca_conf: try: ca_ctrl_uri = _ca_conf[ "ca_control_uri"] if "ca_control_uri" in _ca_conf else None domain_name = _ca_conf[ "domain_name"] if "domain_name" in _ca_conf else None is_ca = _ca_conf["is_ca"] if "is_ca" in _ca_conf else None enrollment_password = _ca_conf[ "enrollment_password"] if "enrollment_password" in _ca_conf else None except Exception as err: _log.error( "runtime_certificate: Failed to parse security configuration in calvin.conf, err={}" .format(err)) raise #AttributeResolver tranforms the attributes, so make a deepcopy instead rt_attributes_cpy = copy.deepcopy(rt_attributes) attributes = AttributeResolver(rt_attributes_cpy) node_name = attributes.get_node_name_as_str() nodeid = calvinuuid.uuid("") runtime = runtime_credentials.RuntimeCredentials( node_name, domain_name, security_dir=security_dir, nodeid=nodeid, enrollment_password=enrollment_password) certpath, cert, certstr = runtime.get_own_cert() if not cert: csr_path = os.path.join(runtime.runtime_dir, node_name + ".csr") if is_ca == "True": _log.debug( "No runtime certificate, but node is a CA, just sign csr, domain={}" .format(domain_name)) ca = certificate_authority.CA(domain=domain_name, security_dir=security_dir) cert_path = ca.sign_csr(csr_path, is_ca=True) runtime.store_own_cert(certpath=cert_path, security_dir=security_dir) else: _log.debug( "No runtime certicificate can be found, send CSR to CA" ) truststore_dir = certificate.get_truststore_path( type=certificate.TRUSTSTORE_TRANSPORT, security_dir=security_dir) request_handler = RequestHandler(verify=truststore_dir) ca_control_uris = [] #TODO: add support for multiple CA control uris if ca_ctrl_uri: _log.debug( "CA control_uri in config={}".format(ca_ctrl_uri)) ca_control_uris.append(ca_ctrl_uri) elif storage_type in ["dht", "securedht"]: _log.debug("Find CA via SSDP") responses = discover() if not responses: _log.error("No responses received") for response in responses: cmd, headers = parse_http_response(response) if 'location' in headers: ca_control_uri, ca_node_id = headers[ 'location'].split('/node/') ca_control_uri = ca_control_uri.replace( "http", "https") ca_control_uris.append(ca_control_uri) _log.debug( "CA control_uri={}, node_id={}".format( ca_control_uri, ca_node_id)) else: _log.error( "There is no runtime certificate. For automatic certificate enrollment using proxy storage," "the CA control uri must be configured in the calvin configuration " ) raise Exception( "There is no runtime certificate. For automatic certificate enrollment using proxy storage," "the CA control uri must be configured in the calvin configuration " ) cert_available = False # Loop through all CA:s that responded until hopefully one signs our CSR # Potential improvement would be to have domain name in response and only try # appropriate CAs i = 0 while not cert_available and i < len(ca_control_uris): certstr = None #Repeatedly (maximum 10 attempts) send CSR to CA until a certificate is returned (this to remove the requirement of the CA #node to be be the first node to start) rsa_encrypted_csr = runtime.get_encrypted_csr() j = 0 while not certstr and j < 10: try: certstr = request_handler.sign_csr_request( ca_control_uris[i], rsa_encrypted_csr)['certificate'] except requests.exceptions.RequestException as err: time_to_sleep = 1 + j * j * j _log.debug( "RequestException, CSR not accepted or CA not up and running yet, sleep {} seconds and try again, err={}" .format(time_to_sleep, err)) time.sleep(time_to_sleep) j = j + 1 pass else: cert_available = True i = i + 1 #TODO: check that everything is ok with signed cert, e.g., check that the CA domain # matches the expected and that the CA cert is trusted runtime.store_own_cert(certstring=certstr, security_dir=security_dir) else: _log.debug("Runtime certificate available")
def setUp(self): global request_handler request_handler = RequestHandler() self.hosts = [] self.rt = []
def get_request_handler(): from calvin.requests.request_handler import RequestHandler return _request_handler if _request_handler else RequestHandler()
class Security(object): def __init__(self, node): _log.debug("Security: _init_") self.sec_conf = _conf.get("security","security_conf") if self.sec_conf is not None and not self.sec_conf.get('signature_trust_store', None): # Set default directory for trust store homefolder = os.path.expanduser("~") truststore_dir = os.path.join(homefolder, ".calvin", "security", "trustStore") self.sec_conf['signature_trust_store'] = truststore_dir self.node = node self.subject = {} self.auth = {} self.request_handler = RequestHandler() def __str__(self): return "Subject: %s\nAuth: %s" % (self.subject, self.auth) def set_subject(self, subject): """Set subject attributes and mark them as unauthenticated""" _log.debug("Security: set_subject %s" % subject) if not isinstance(subject, dict): return False # Make sure that all subject values are lists. self.subject = {k: list(v) if isinstance(v, (list, tuple, set)) else [v] for k, v in subject.iteritems()} # Set the corresponding values of self.auth to False to indicate that they are unauthenticated. self.auth = {k: [False]*len(v) for k, v in self.subject.iteritems()} def authenticate_subject(self): """Authenticate subject using the authentication procedure specified in config.""" _log.debug("Security: authenticate_subject") if not security_needed_check(): _log.debug("Security: authenticate_subject no security needed") return True if self.sec_conf['authentication']['procedure'] == "local": _log.debug("Security: local authentication method chosen") return self.authenticate_using_local_database() if self.sec_conf['authentication']['procedure'] == "radius": if not HAS_PYRAD: _log.error("Security: Install pyrad to use radius server as authentication method.\n" + "Note! NO AUTHENTICATION USED") return False _log.debug("Security: Radius authentication method chosen") return self.authenticate_using_radius_server() _log.debug("Security: No security config, so authentication disabled") return True def authenticate_using_radius_server(self): """ Authenticate a subject using a RADIUS server. The corresponding value in self.auth is set to True if authentication is successful. """ auth = [] if self.subject['user']: root_dir = os.path.abspath(os.path.join(_conf.install_location(), '..')) srv=Client(server=self.sec_conf['authentication']['server_ip'], secret= bytes(self.sec_conf['authentication']['secret']), dict=Dictionary(os.path.join(root_dir, "pyrad_dicts", "dictionary"), os.path.join(root_dir, "pyrad_dicts", "dictionary.acc"))) req=srv.CreateAuthPacket(code=pyrad.packet.AccessRequest, User_Name=self.subject['user'][0], NAS_Identifier="localhost") req["User-Password"]=req.PwCrypt(self.subject['password'][0]) # FIXME is this over socket? then we should not block here reply=srv.SendPacket(req) _log.debug("Attributes returned by server:") for i in reply.keys(): _log.debug("%s: %s" % (i, reply[i])) if reply.code==pyrad.packet.AccessAccept: _log.debug("Security: access accepted") auth.append(True) # return True else: _log.debug("Security: access denied") auth.append(False) # return False self.auth['user']=auth return any(auth) def authenticate_using_local_database(self): """ Authenticate a subject against information stored in config. The corresponding value in self.auth is set to True if authentication is successful. This is primarily intended for testing purposes, since passwords aren't stored securely. """ if 'local_users' not in self.sec_conf['authentication']: _log.debug("local_users not found in security_conf: %s" % self.sec_conf['authentication']) return False # Verify users against stored passwords # TODO expand with other subject types d = self.sec_conf['authentication']['local_users'] if not ('user' in self.subject and 'password' in self.subject): return False if len(self.subject['user']) != len(self.subject['password']): return False auth = [] for user, password in zip(self.subject['user'], self.subject['password']): if user in d.keys(): if d[user] == password: _log.debug("Security: found user: %s",user) auth.append(True) else: _log.debug("Security: incorrect username or password") auth.append(False) else: auth.append(False) self.auth['user'] = auth return any(auth) def get_authenticated_subject_attributes(self): """Return a dictionary with all authenticated subject attributes.""" return {key: [self.subject[key][i] for i, auth in enumerate(values) if auth] for key, values in self.auth.iteritems() if any(values)} def check_security_policy(self, requires=None): """Check if access is permitted for the actor by the security policy""" _log.debug("Security: check_security_policy") if self.sec_conf and "authorization" in self.sec_conf: return self.get_authorization_decision(requires) # No security config, so access control is disabled return True def get_authorization_decision(self, requires=None): """Get authorization decision using the authorization procedure specified in config.""" #Delete return True request = {} request["subject"] = self.get_authenticated_subject_attributes() request["resource"] = {"node_id": self.node.id} if requires is not None: request["action"] = {"requires": requires} _log.debug("Security: authorization request: %s" % request) # Check if the authorization server is local (the runtime itself) or external. if self.sec_conf['authorization']['procedure'] == "external": if not HAS_JWT: _log.error("Security: Install JWT to use external server as authorization method.\n" + "Note: NO AUTHORIZATION USED") return False _log.debug("Security: external authorization method chosen") decision, obligations = self.authorize_using_external_server(request) else: _log.debug("Security: local authorization method chosen") decision, obligations = self.authorize_using_local_policies(request) if decision == "permit": _log.debug("Security: access permitted to resources") if obligations: return (True, obligations) return True elif decision == "deny": _log.debug("Security: access denied to resources") return False elif decision == "indeterminate": _log.debug("Security: access denied to resources. Error occured when evaluating policies.") return False else: _log.debug("Security: access denied to resources. No matching policies.") return False def authorize_using_external_server(self, request): """ Access authorization using an external authorization server. The request is put in a JSON Web Token (JWT) that is signed and includes timestamps and information about sender and receiver. """ ip_addr = self.sec_conf['authorization']['server_ip'] port = self.sec_conf['authorization']['server_port'] # Alternative: specify node_id/dnQualifier instead in sec_conf and create a tunnel for the # runtime-to-runtime communication (see calvin_proto.py). Could also add node_id as "aud" (audience) in jwt payload. authorization_server_uri = "http://%s:%d" % (ip_addr, port) payload = { "iss": self.node.id, "iat": datetime.utcnow(), "exp": datetime.utcnow() + timedelta(seconds=60), "request": request } cert_conffile = _conf.get("security", "certificate_conf") domain = _conf.get("security", "certificate_domain") cert_conf = certificate.Config(cert_conffile, domain) node_name = self.node.attributes.get_node_name_as_str() private_key = certificate.get_private_key(cert_conf, node_name) # Create a JSON Web Token signed using the node's Elliptic Curve private key. jwt_request = jwt.encode(payload, private_key, algorithm='ES256') # cert_name is this node's certificate filename (without file extension) cert_name = certificate.get_own_cert_name(cert_conf, node_name) try: # Send request to authorization server. response = self.request_handler.get_authorization_decision(authorization_server_uri, jwt_request, cert_name) except Exception as e: _log.error("Security: authorization server error - %s" % str(e)) return ("indeterminate", []) try: # Get authorization server certificate from disk. # TODO: get certificate from DHT if it wasn't found on disk. certificate_authz_server = certificate.get_other_certificate(cert_conf, node_name, response["cert_name"]) public_key_authz_server = certificate.get_public_key(certificate_authz_server) authz_server_id = certificate_authz_server.get_subject().dnQualifier # Decode the JSON Web Token returned from the authorization server. # The signature is verified using the Elliptic Curve public key of the authorization server. # Exception raised if signature verification fails or if issuer and/or audience are incorrect. decoded = jwt.decode(response["jwt"], public_key_authz_server, algorithms=['ES256'], issuer=authz_server_id, audience=self.node.id) response = decoded['response'] return (response['decision'], response.get("obligations", [])) except Exception as e: _log.error("Security: JWT decoding error - %s" % str(e)) return ("indeterminate", []) def authorize_using_local_policies(self, request): """Authorize access using a local Policy Decision Point (PDP).""" try: response = self.node.pdp.authorize(request) return (response['decision'], response.get("obligations", [])) except Exception as e: _log.error("Security: local authorization error - %s" % str(e)) return ("indeterminate", []) @staticmethod def verify_signature_get_files(filename, skip_file=False): """Get files needed for signature verification of the specified file.""" # Get the data sign_filenames = filename + ".sign.*" sign_content = {} file_content = "" # Filename is *.sign.<cert_hash> sign_files = {os.path.basename(f).split(".sign.")[1]: f for f in glob.glob(sign_filenames)} for cert_hash, sign_filename in sign_files.iteritems(): try: with open(sign_filename, 'rt') as f: sign_content[cert_hash] = f.read() _log.debug("Security: found signature for %s" % cert_hash) except: pass if not skip_file: try: with open(filename, 'rt') as f: file_content = f.read() except: return None _log.debug("Security: file can't be opened") return {'sign': sign_content, 'file': file_content} def verify_signature(self, file, flag): """Verify the signature of the specified file of type flag.""" content = Security.verify_signature_get_files(file) if content: return self.verify_signature_content(content, flag) else: return False def verify_signature_content(self, content, flag): """Verify the signature of the content of type flag.""" _log.debug("Security: verify %s signature of %s" % (flag, content)) #if not self.sec_conf: #delete: if True: _log.debug("Security: no signature verification required: %s" % content['file']) return True if flag not in ["application", "actor"]: # TODO add component verification raise NotImplementedError self.auth[flag + "_signer"] = [True] # Needed to include the signer attribute in authorization requests. if content is None or not content['sign']: _log.debug("Security: signature information missing") self.subject[flag + "_signer"] = ["__unsigned__"] return True # True is returned to allow authorization request with the signer attribute '__unsigned__'. if not HAS_OPENSSL: _log.error("Security: install OpenSSL to allow verification of signatures and certificates") _log.error("Security: verification of %s signature failed" % flag) self.subject[flag + "_signer"] = ["__invalid__"] return False # If any of the signatures is verified correctly, True is returned. for cert_hash, signature in content['sign'].iteritems(): try: # Check if the certificate is stored in the truststore (name is <cert_hash>.0) trusted_cert_path = os.path.join(self.sec_conf['signature_trust_store'], cert_hash + ".0") with open(trusted_cert_path, 'rt') as f: trusted_cert = OpenSSL.crypto.load_certificate(OpenSSL.crypto.FILETYPE_PEM, f.read()) try: # Verify signature OpenSSL.crypto.verify(trusted_cert, signature, content['file'], 'sha256') _log.debug("Security: signature correct") self.subject[flag + "_signer"] = [trusted_cert.get_issuer().CN] # The Common Name field for the issuer return True except Exception as e: _log.debug("Security: OpenSSL verification error", exc_info=True) continue except Exception as e: _log.debug("Security: error opening one of the needed certificates", exc_info=True) continue _log.error("Security: verification of %s signature failed" % flag) self.subject[flag + "_signer"] = ["__invalid__"] return False
def setUp(self): self.request_handler = RequestHandler() self.test_type, [self.rt1, self.rt2, self.rt3 ] = helpers.setup_test_type(self.request_handler)
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest import fileinput global rt global request_handler try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old tesdir, err={}".format(err) pass try: os.makedirs(credentials_testdir) os.makedirs(runtimesdir) os.makedirs(runtimes_truststore) os.makedirs(runtimes_truststore_signing_path) os.makedirs(actor_store_path) os.makedirs(os.path.join(actor_store_path, "test")) shutil.copy( os.path.join(orig_actor_store_path, "test", "__init__.py"), os.path.join(actor_store_path, "test", "__init__.py")) os.makedirs(os.path.join(actor_store_path, "std")) shutil.copy( os.path.join(orig_actor_store_path, "std", "__init__.py"), os.path.join(actor_store_path, "std", "__init__.py")) shutil.copytree(orig_application_store_path, application_store_path) filelist = [ f for f in os.listdir(application_store_path) if f.endswith(".sign.93d58fef") ] for f in filelist: os.remove(os.path.join(application_store_path, f)) shutil.copytree( os.path.join(security_testdir, "identity_provider"), identity_provider_path) except Exception as err: _log.error( "Failed to create test folder structure, err={}".format(err)) print "Failed to create test folder structure, err={}".format(err) raise print "Trying to create a new test application/actor signer." cs = code_signer.CS(organization="testsigner", commonName="signer", security_dir=credentials_testdir) #Create signed version of CountTimer actor orig_actor_CountTimer_path = os.path.join(orig_actor_store_path, "std", "CountTimer.py") actor_CountTimer_path = os.path.join(actor_store_path, "std", "CountTimer.py") shutil.copy(orig_actor_CountTimer_path, actor_CountTimer_path) # cs.sign_file(actor_CountTimer_path) #Create unsigned version of CountTimer actor actor_CountTimerUnsigned_path = actor_CountTimer_path.replace( ".py", "Unsigned.py") shutil.copy(actor_CountTimer_path, actor_CountTimerUnsigned_path) replace_text_in_file(actor_CountTimerUnsigned_path, "CountTimer", "CountTimerUnsigned") #Create signed version of Sum actor orig_actor_Sum_path = os.path.join(orig_actor_store_path, "std", "Sum.py") actor_Sum_path = os.path.join(actor_store_path, "std", "Sum.py") shutil.copy(orig_actor_Sum_path, actor_Sum_path) # cs.sign_file(actor_Sum_path) #Create unsigned version of Sum actor actor_SumUnsigned_path = actor_Sum_path.replace(".py", "Unsigned.py") shutil.copy(actor_Sum_path, actor_SumUnsigned_path) replace_text_in_file(actor_SumUnsigned_path, "Sum", "SumUnsigned") #Create incorrectly signed version of Sum actor # actor_SumFake_path = actor_Sum_path.replace(".py", "Fake.py") # shutil.copy(actor_Sum_path, actor_SumFake_path) # #Change the class name to SumFake # replace_text_in_file(actor_SumFake_path, "Sum", "SumFake") # cs.sign_file(actor_SumFake_path) # #Now append to the signed file so the signature verification fails # with open(actor_SumFake_path, "a") as fd: # fd.write(" ") #Create signed version of Sink actor orig_actor_Sink_path = os.path.join(orig_actor_store_path, "test", "Sink.py") actor_Sink_path = os.path.join(actor_store_path, "test", "Sink.py") shutil.copy(orig_actor_Sink_path, actor_Sink_path) # cs.sign_file(actor_Sink_path) #Create unsigned version of Sink actor actor_SinkUnsigned_path = actor_Sink_path.replace(".py", "Unsigned.py") shutil.copy(actor_Sink_path, actor_SinkUnsigned_path) replace_text_in_file(actor_SinkUnsigned_path, "Sink", "SinkUnsigned") #Sign applications # cs.sign_file(os.path.join(application_store_path, "test_security1_correctly_signed.calvin")) # cs.sign_file(os.path.join(application_store_path, "test_security1_correctlySignedApp_incorrectlySignedActor.calvin")) # cs.sign_file(os.path.join(application_store_path, "test_security1_incorrectly_signed.calvin")) # #Now append to the signed file so the signature verification fails # with open(os.path.join(application_store_path, "test_security1_incorrectly_signed.calvin"), "a") as fd: # fd.write(" ") # print "Export Code Signers certificate to the truststore for code signing" # out_file = cs.export_cs_cert(runtimes_truststore_signing_path) print "Trying to create a new test domain configuration." ca = certificate_authority.CA(domain=domain_name, commonName="testdomain CA", security_dir=credentials_testdir) # print "Copy CA cert into truststore of runtimes folder" ca.export_ca_cert(runtimes_truststore) #Define the runtime attributes rt0_attributes = { 'indexed_public': { 'owner': { 'organization': domain_name, 'personOrGroup': 'testOwner1' }, 'node_name': { 'organization': 'org.testexample', 'name': 'CA' }, 'address': { 'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1 } } } rt1_attributes = { 'indexed_public': { 'owner': { 'organization': domain_name, 'personOrGroup': 'testOwner1' }, 'node_name': { 'organization': 'org.testexample', 'name': 'testNode1' }, 'address': { 'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1 } } } rt2_attributes = { 'indexed_public': { 'owner': { 'organization': domain_name, 'personOrGroup': 'testOwner1' }, 'node_name': { 'organization': 'org.testexample', 'name': 'testNode2' }, 'address': { 'country': 'SE', 'locality': 'testCity', 'street': 'otherStreet', 'streetNumber': 1 } } } rt3_attributes = { 'indexed_public': { 'owner': { 'organization': domain_name, 'personOrGroup': 'testOwner1' }, 'node_name': { 'organization': 'org.testexample', 'name': 'testNode3' }, 'address': { 'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1 } } } rt4_attributes = { 'indexed_public': { 'owner': { 'organization': domain_name, 'personOrGroup': 'testOwner1' }, 'node_name': { 'organization': 'org.testexample', 'name': 'testNode4' }, 'address': { 'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1 } } } rt5_attributes = { 'indexed_public': { 'owner': { 'organization': domain_name, 'personOrGroup': 'testOwner1' }, 'node_name': { 'organization': 'org.testexample', 'name': 'testNode5' }, 'address': { 'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1 } } } rt_attributes = [] rt_attributes.append(deepcopy(rt0_attributes)) rt_attributes.append(deepcopy(rt1_attributes)) rt_attributes.append(deepcopy(rt2_attributes)) rt_attributes.append(deepcopy(rt3_attributes)) rt_attributes.append(deepcopy(rt4_attributes)) rt_attributes.append(deepcopy(rt5_attributes)) rt_attributes_cpy = deepcopy(rt_attributes) runtimes = [] #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path( type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) # The following is less than optimal if multiple CA certs exist ca_cert_path = os.path.join(truststore_dir, os.listdir(truststore_dir)[0]) request_handler = RequestHandler(verify=ca_cert_path) #Generate credentials, create CSR, sign with CA and import cert for all runtimes enrollment_passwords = [] for rt_attribute in rt_attributes: attributes = AttributeResolver(rt_attribute) node_name = attributes.get_node_name_as_str() nodeid = calvinuuid.uuid("") enrollment_password = ca.cert_enrollment_add_new_runtime(node_name) enrollment_passwords.append(enrollment_password) runtime = runtime_credentials.RuntimeCredentials( node_name, domain=domain_name, security_dir=credentials_testdir, nodeid=nodeid, enrollment_password=enrollment_password) runtimes.append(runtime) ca_cert = runtime.get_truststore( type=certificate.TRUSTSTORE_TRANSPORT)[0][0] csr_path = os.path.join(runtime.runtime_dir, node_name + ".csr") #Encrypt CSR with CAs public key (to protect enrollment password) rsa_encrypted_csr = runtime.cert_enrollment_encrypt_csr( csr_path, ca_cert) #Decrypt encrypted CSR with CAs private key csr = ca.decrypt_encrypted_csr( encrypted_enrollment_request=rsa_encrypted_csr) csr_path = ca.store_csr_with_enrollment_password(csr) cert_path = ca.sign_csr(csr_path) runtime.store_own_cert(certpath=cert_path, security_dir=credentials_testdir) #Let's hash passwords in users.json file (the runtimes will try to do this # but they will all try to do it at the same time, so it will be overwritten # multiple times and the first test will always fail) # self.arp = FileAuthenticationRetrievalPoint(identity_provider_path) # self.arp.check_stored_users_db_for_unhashed_passwords() #The policy allows access to control interface for everyone, for more advanced rules # it might be appropriate to run set_credentials for request_handler, e.g., # request_handler.set_credentials({domain_name:{"user": "******", "password": "******"}}) rt_conf = copy.deepcopy(_conf) # rt_conf.set('security', 'runtime_to_runtime_security', "tls") # rt_conf.set('security', 'control_interface_security', "tls") rt_conf.set('security', 'domain_name', domain_name) # rt_conf.set('security', 'certificate_authority_control_uri',"https://%s:5020" % hostname ) rt_conf.set('security', 'security_dir', credentials_testdir) rt_conf.set('global', 'actor_paths', [actor_store_path]) rt_conf.set('global', 'storage_type', "securedht") # Runtime 0: local authentication, signature verification, local authorization. # Primarily acts as Certificate Authority for the domain rt0_conf = copy.deepcopy(rt_conf) # rt0_conf.set('security','enrollment_password',enrollment_passwords[0]) #The csruntime certificate requests assumes TLS for the control interface # rt0_conf.set('security', 'control_interface_security', "tls") # rt0_conf.set('security','certificate_authority','True') # rt0_conf.set("security", "security_conf", { # "comment": "Certificate Authority", # "authentication": { # "procedure": "local", # "identity_provider_path": identity_provider_path # }, # "authorization": { # "procedure": "local", # "policy_storage_path": policy_storage_path # } # }) rt0_conf.save("/tmp/calvin5000.conf") # Runtime 1: local authentication, signature verification, local authorization. rt1_conf = copy.deepcopy(rt_conf) # rt1_conf.set('security','enrollment_password',enrollment_passwords[1]) # rt1_conf.set("security", "security_conf", { # "comment": "Local authentication, local authorization", # "authentication": { # "procedure": "local", # "identity_provider_path": identity_provider_path # }, # "authorization": { # "procedure": "local", # "policy_storage_path": policy_storage_path # } # }) rt1_conf.save("/tmp/calvin5001.conf") # Runtime 2: local authentication, signature verification, local authorization. # Can also act as authorization server for other runtimes. # Other street compared to the other runtimes rt2_conf = copy.deepcopy(rt_conf) # rt2_conf.set('security','enrollment_password',enrollment_passwords[2]) # rt2_conf.set("security", "security_conf", { # "comment": "Local authentication, local authorization", # "authentication": { # "procedure": "local", # "identity_provider_path": identity_provider_path # }, # "authorization": { # "procedure": "local", # "policy_storage_path": policy_storage_path, # "accept_external_requests": True # } # }) rt2_conf.save("/tmp/calvin5002.conf") # Runtime 3: external authentication (RADIUS), signature verification, local authorization. rt3_conf = copy.deepcopy(rt_conf) # rt3_conf.set('security','enrollment_password',enrollment_passwords[3]) # rt3_conf.set("security", "security_conf", { # "comment": "RADIUS authentication, local authorization", # "authentication": { # "procedure": "radius", # "server_ip": "localhost", # "secret": "elxghyc5lz1_passwd" # }, # "authorization": { # "procedure": "local", # "policy_storage_path": policy_storage_path # } # }) rt3_conf.save("/tmp/calvin5003.conf") # Runtime 4: local authentication, signature verification, external authorization (runtime 2). rt4_conf = copy.deepcopy(rt_conf) # rt4_conf.set('security','enrollment_password',enrollment_passwords[4]) # rt4_conf.set("security", "security_conf", { # "comment": "Local authentication, external authorization", # "authentication": { # "procedure": "local", # "identity_provider_path": identity_provider_path # }, # "authorization": { # "procedure": "external" # } # }) rt4_conf.save("/tmp/calvin5004.conf") # Runtime 5: external authentication (runtime 1), signature verification, local authorization. rt5_conf = copy.deepcopy(rt_conf) # rt5_conf.set('global','storage_type','proxy') # rt5_conf.set('global','storage_proxy',"calvinip://%s:5000" % ip_addr ) # rt5_conf.set('security','enrollment_password',enrollment_passwords[5]) # rt5_conf.set("security", "security_conf", { # "comment": "Local authentication, external authorization", # "authentication": { # "procedure": "external", # "server_uuid": runtimes[1].node_id # }, # "authorization": { # "procedure": "local", # "policy_storage_path": policy_storage_path # } # }) rt5_conf.save("/tmp/calvin5005.conf") #Start all runtimes for i in range(len(rt_attributes_cpy)): _log.info("Starting runtime {}".format(i)) try: logfile = _config_pytest.getoption("logfile") + "500{}".format( i) outfile = os.path.join( os.path.dirname(logfile), os.path.basename(logfile).replace("log", "out")) if outfile == logfile: outfile = None except: logfile = None outfile = None csruntime(hostname, port=5000 + i, controlport=5020 + i, attr=rt_attributes_cpy[i], loglevel=_config_pytest.getoption("loglevel"), logfile=logfile, outfile=outfile, configfile="/tmp/calvin500{}.conf".format(i)) # rt.append(RT("https://{}:502{}".format(hostname, i))) rt.append(RT("http://{}:502{}".format(hostname, i))) # Wait to be sure that all runtimes has started time.sleep(1) time.sleep(10) request.addfinalizer(self.teardown)
import shutil import json from collections import namedtuple from calvin.requests.request_handler import RequestHandler, RT from calvin.utilities.nodecontrol import dispatch_node, dispatch_storage_node from calvin.utilities.attribute_resolver import format_index_string from calvin.utilities import certificate from calvin.utilities import certificate_authority from calvin.utilities import calvinlogger from calvin.utilities import calvinconfig from calvin.utilities import calvinuuid from calvin.utilities.utils import get_home _log = calvinlogger.get_logger(__name__) _conf = calvinconfig.get() request_handler = RequestHandler() try: ip_addr = os.environ["CALVIN_TEST_LOCALHOST"] except: ip_addr = socket.gethostbyname(socket.gethostname()) rt1 = None rt2 = None rt3 = None rt1_id = None rt2_id = None rt3_id = None test_script_dir = None deploy_attr = [
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest import fileinput global hostname global rt global rt_attributes global request_handler try: ipv6_hostname = socket.gethostbyaddr('::1') except Exception as err: print( "Failed to resolve the IPv6 localhost hostname, please update the corresponding entry in the /etc/hosts file, e.g.,:\n" "\t::1 <hostname>.localdomain <hostname>.local <hostname> localhost" ) raise try: ipv6_hostname = socket.gethostbyaddr('::ffff:127.0.0.1') except Exception as err: print( "Failed to resolve ::ffff:127.0.0.1, please add the following line (with your hostname) to /etc/hosts :\n" "::ffff:127.0.0.1: <hostname>.localdomain <hostname>.local <hostname>" ) raise try: hostname = socket.gethostname() ip_addr = socket.gethostbyname(hostname) fqdn = socket.getfqdn(hostname) print("\n\tip_addr={}" "\n\thostname={}" "\n\tfqdn={}".format(ip_addr, hostname, fqdn)) except Exception as err: print( "Failed to resolve the hostname, ip_addr or the FQDN of the runtime, err={}" .format(err)) raise try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old tesdir, err={}".format(err) pass try: os.makedirs(credentials_testdir) os.makedirs(runtimesdir) os.makedirs(runtimes_truststore) except Exception as err: _log.error( "Failed to create test folder structure, err={}".format(err)) print "Failed to create test folder structure, err={}".format(err) raise _log.info( "Trying to create a new test domain configuration. Create many CAs to ensure runtime can handle several CA certificates" ) try: ca1 = certificate_authority.CA(domain=domain_name + " 1", commonName="testdomainCA1", security_dir=credentials_testdir) ca2 = certificate_authority.CA(domain=domain_name + " 2", commonName="testdomainCA2", security_dir=credentials_testdir) ca3 = certificate_authority.CA(domain=domain_name + " 3", commonName="testdomainCA3", security_dir=credentials_testdir) except Exception as err: _log.error("Failed to create CA, err={}".format(err)) _log.info("Copy CA cert into truststore of runtimes folder") ca1.export_ca_cert(runtimes_truststore) ca2.export_ca_cert(runtimes_truststore) ca3.export_ca_cert(runtimes_truststore) actor_store_path, application_store_path = helpers.sign_files_for_security_tests( credentials_testdir) runtimes = helpers.create_CA_and_generate_runtime_certs( domain_name, credentials_testdir, NBR_OF_RUNTIMES) #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path( type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) request_handler = RequestHandler(verify=truststore_dir) rt_conf = copy.deepcopy(_conf) rt_conf.set('security', 'runtime_to_runtime_security', "tls") rt_conf.set('security', 'control_interface_security', "tls") rt_conf.set('security', 'security_dir', credentials_testdir) rt0_conf = copy.deepcopy(rt_conf) # Runtime 0: local authentication, signature verification, local authorization. # Primarily acts as Certificate Authority for the domain rt0_conf.set('global', 'storage_type', 'local') rt0_conf.set('security', 'certificate_authority', { 'domain_name': domain_name, 'is_ca': 'True' }) rt0_conf.save("/tmp/calvin5000.conf") # Runtime 1: local authentication, signature verification, local authorization. rt_conf.set('global', 'storage_type', 'proxy') rt_conf.set('global', 'storage_proxy', "calvinip://%s:5000" % hostname) rt_conf.set('security', 'certificate_authority', { 'domain_name': domain_name, 'is_ca': 'False' }) for i in range(1, NBR_OF_RUNTIMES): rt_conf.save("/tmp/calvin500{}.conf".format(i)) rt = helpers.start_all_runtimes(runtimes, hostname, request_handler, tls=True) request.addfinalizer(self.teardown)
def runtime_certificate(rt_attributes): import copy import requests import sys from calvin.requests.request_handler import RequestHandler from calvin.utilities.attribute_resolver import AttributeResolver from calvin.utilities import calvinconfig from calvin.utilities import calvinuuid from calvin.utilities import runtime_credentials from calvin.utilities import certificate from calvin.utilities import certificate_authority from calvin.runtime.south.storage.twistedimpl.dht.service_discovery_ssdp import parse_http_response global _conf global _log _conf = calvinconfig.get() if not _conf.get_section("security"): #If the security section is empty, no securty features are enabled and certificates aren't needed _log.debug("No runtime security enabled") else: _log.debug("Some security features are enabled, let's make sure certificates are in place") _ca_conf = _conf.get("security","certificate_authority") security_dir = _conf.get("security","security_dir") storage_type = _conf.get("global","storage_type") if _ca_conf: try: ca_ctrl_uri = _ca_conf["ca_control_uri"] if "ca_control_uri" in _ca_conf else None domain_name = _ca_conf["domain_name"] if "domain_name" in _ca_conf else None is_ca = _ca_conf["is_ca"] if "is_ca" in _ca_conf else None enrollment_password = _ca_conf["enrollment_password"] if "enrollment_password" in _ca_conf else None except Exception as err: _log.error("runtime_certificate: Failed to parse security configuration in calvin.conf, err={}".format(err)) raise #AttributeResolver tranforms the attributes, so make a deepcopy instead rt_attributes_cpy = copy.deepcopy(rt_attributes) attributes = AttributeResolver(rt_attributes_cpy) node_name = attributes.get_node_name_as_str() nodeid = calvinuuid.uuid("") runtime = runtime_credentials.RuntimeCredentials(node_name, domain_name, security_dir=security_dir, nodeid=nodeid, enrollment_password=enrollment_password) certpath, cert, certstr = runtime.get_own_cert() if not cert: csr_path = os.path.join(runtime.runtime_dir, node_name + ".csr") if is_ca: _log.debug("No runtime certificate, but node is a CA, just sign csr, domain={}".format(domain_name)) ca = certificate_authority.CA(domain=domain_name, security_dir=security_dir) cert_path = ca.sign_csr(csr_path, is_ca=True) runtime.store_own_cert(certpath=cert_path) else: _log.debug("No runtime certicificate can be found, send CSR to CA") truststore_dir = certificate.get_truststore_path(type=certificate.TRUSTSTORE_TRANSPORT, security_dir=security_dir) request_handler = RequestHandler(verify=truststore_dir) ca_control_uris = [] #TODO: add support for multiple CA control uris if ca_ctrl_uri: _log.debug("CA control_uri in config={}".format(ca_ctrl_uri)) ca_control_uris.append(ca_ctrl_uri) elif storage_type in ["dht","securedht"]: _log.debug("Find CA via SSDP") responses = discover() if not responses: _log.error("No responses received") for response in responses: cmd, headers = parse_http_response(response) if 'location' in headers: ca_control_uri, ca_node_id = headers['location'].split('/node/') ca_control_uris.append(ca_control_uri) _log.debug("CA control_uri={}, node_id={}".format(ca_control_uri, ca_node_id)) else: _log.error("There is no runtime certificate. For automatic certificate enrollment using proxy storage," "the CA control uri must be configured in the calvin configuration ") raise Exception("There is no runtime certificate. For automatic certificate enrollment using proxy storage," "the CA control uri must be configured in the calvin configuration ") cert_available=False # Loop through all CA:s that responded until hopefully one signs our CSR # Potential improvement would be to have domain name in response and only try # appropriate CAs i=0 csr = json.dumps(runtime.get_csr_and_enrollment_password()) while not cert_available and i<len(ca_control_uris): certstr=None #Repeatedly (maximum 10 attempts) send CSR to CA until a certificate is returned (this to remove the requirement of the CA #node to be be the first node to start) j=0 while not certstr and j<10: try: certstr = request_handler.sign_csr_request(ca_control_uris[i], csr)['certificate'] except requests.exceptions.RequestException as err: time_to_sleep = 1 + j*j*j _log.debug("RequestException, CSR not accepted or CA not up and running yet, sleep {} seconds and try again, err={}".format(time_to_sleep, err)) time.sleep(time_to_sleep) j=j+1 pass else: cert_available = True i = i+1 #TODO: check that everything is ok with signed cert, e.g., check that the CA domain # matches the expected and that the CA cert is trusted runtime.store_own_cert(certstring=certstr) else: _log.debug("Runtime certificate available")
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest import fileinput global runtimes global request_handler try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old tesdir, err={}".format(err) pass try: shutil.copytree(orig_identity_provider_path, identity_provider_path) except Exception as err: _log.error("Failed to copy the identity provider files, err={}".format(err)) raise actor_store_path, application_store_path = helpers.sign_files_for_security_tests(credentials_testdir) runtimes = helpers.create_CA_and_generate_runtime_certs(domain_name, credentials_testdir, NBR_OF_RUNTIMES) #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path(type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) request_handler = RequestHandler(verify=truststore_dir) #Let's use the admin user0 for request_handler request_handler.set_credentials({"user": "******", "password": "******"}) rt_conf = copy.deepcopy(_conf) rt_conf.set('security', 'security_dir', credentials_testdir) rt_conf.set('global', 'actor_paths', [actor_store_path]) # Runtime 0: Certificate authority, authentication server, authorization server. rt0_conf = copy.deepcopy(rt_conf) rt0_conf.set('global','storage_type','local') rt0_conf.set('security','certificate_authority',{ 'domain_name':domain_name, 'is_ca':True }) rt0_conf.set("security", "security_conf", { "comment": "Certificate Authority", "authentication": { "procedure": "local", "identity_provider_path": identity_provider_path, "accept_external_requests": True }, "authorization": { "procedure": "local", "policy_storage_path": policy_storage_path, "accept_external_requests": True } }) rt0_conf.save("/tmp/calvin5000.conf") _log.info("Starting runtime 0") # Other runtimes rt_conf.set('global','storage_type','proxy') rt_conf.set('global','storage_proxy',"calvinip://%s:5000" % ip_addr ) rt_conf.set('security','certificate_authority',{ 'domain_name':domain_name, 'is_ca':False }) rt_conf.set("security", "security_conf", { "comment": "External authentication, external authorization", "authentication": { "procedure": "external", "server_uuid": runtimes[0]["id"] }, "authorization": { "procedure": "external", "server_uuid": runtimes[0]["id"] } }) for i in range(1, NBR_OF_RUNTIMES): rt_conf.save("/tmp/calvin500{}.conf".format(i)) # # Runtime 3: external authentication (RADIUS). # rt3_conf = copy.deepcopy(rt1_conf) # rt3_conf.set('security','enrollment_password',enrollment_passwords[3]) # rt3_conf.save("/tmp/calvin5002.conf") # rt3_conf.set("security", "security_conf", { # "authentication": { # "procedure": "radius", # "server_ip": "localhost", # "secret": "elxghyc5lz1_passwd" # }, # "authorization": { # "procedure": "external", # "server_uuid": runtimes[0].node_id # } # }) # rt3_conf.save("/tmp/calvin5003.conf") helpers.start_all_runtimes(runtimes, hostname, request_handler) request.addfinalizer(self.teardown)
def setup(self, request): from calvin.Tools.csruntime import csruntime from conftest import _config_pytest import fileinput global hostname global rt global rt_attributes global request_handler try: ipv6_hostname = socket.gethostbyaddr('::1') except Exception as err: print( "Failed to resolve the IPv6 localhost hostname, please update the corresponding entry in the /etc/hosts file, e.g.,:\n" "\t::1 <hostname>.localdomain <hostname>.local <hostname> localhost" ) raise try: ipv6_hostname = socket.gethostbyaddr('::ffff:127.0.0.1') except Exception as err: print( "Failed to resolve ::ffff:127.0.0.1, please add the following line (with your hostname) to /etc/hosts :\n" "::ffff:127.0.0.1: <hostname>.localdomain <hostname>.local <hostname>" ) raise try: hostname = socket.gethostname() ip_addr = socket.gethostbyname(hostname) fqdn = socket.getfqdn(hostname) print("\n\tip_addr={}" "\n\thostname={}" "\n\tfqdn={}".format(ip_addr, hostname, fqdn)) except Exception as err: print( "Failed to resolve the hostname, ip_addr or the FQDN of the runtime, err={}" .format(err)) raise try: shutil.rmtree(credentials_testdir) except Exception as err: print "Failed to remove old tesdir, err={}".format(err) pass try: os.mkdir(credentials_testdir) os.mkdir(runtimesdir) os.mkdir(runtimes_truststore) except Exception as err: _log.error( "Failed to create test folder structure, err={}".format(err)) print "Failed to create test folder structure, err={}".format(err) raise _log.info("Trying to create a new test domain configuration.") try: ca = certificate_authority.CA(domain=domain_name, commonName="testdomain CA", security_dir=credentials_testdir) except Exception as err: _log.error("Failed to create CA, err={}".format(err)) _log.info("Copy CA cert into truststore of runtimes folder") ca.export_ca_cert(runtimes_truststore) node_names = [] rt_attributes = [] for i in range(6): node_name = { 'organization': 'org.testexample', 'name': 'testNode{}'.format(i) } owner = {'organization': domain_name, 'personOrGroup': 'testOwner'} address = { 'country': 'SE', 'locality': 'testCity', 'street': 'testStreet', 'streetNumber': 1 } rt_attribute = { 'indexed_public': { 'owner': owner, 'node_name': node_name, 'address': address } } rt_attributes.append(rt_attribute) rt_attributes_cpy = deepcopy(rt_attributes) runtimes = [] #Initiate Requesthandler with trusted CA cert truststore_dir = certificate.get_truststore_path( type=certificate.TRUSTSTORE_TRANSPORT, security_dir=credentials_testdir) # The following is less than optimal if multiple CA certs exist ca_cert_path = os.path.join(truststore_dir, os.listdir(truststore_dir)[0]) request_handler = RequestHandler(verify=ca_cert_path) #Generate credentials, create CSR, sign with CA and import cert for all runtimes enrollment_passwords = [] for rt_attribute in rt_attributes_cpy: _log.info("rt_attribute={}".format(rt_attribute)) attributes = AttributeResolver(rt_attribute) node_name = attributes.get_node_name_as_str() nodeid = calvinuuid.uuid("") enrollment_password = ca.cert_enrollment_add_new_runtime(node_name) enrollment_passwords.append(enrollment_password) runtime = runtime_credentials.RuntimeCredentials( node_name, domain=domain_name, security_dir=credentials_testdir, nodeid=nodeid, enrollment_password=enrollment_password) runtimes.append(runtime) ca_cert = runtime.get_truststore( type=certificate.TRUSTSTORE_TRANSPORT)[0][0] csr_path = os.path.join(runtime.runtime_dir, node_name + ".csr") #Encrypt CSR with CAs public key (to protect enrollment password) rsa_encrypted_csr = runtime.cert_enrollment_encrypt_csr( csr_path, ca_cert) #Decrypt encrypted CSR with CAs private key csr = ca.decrypt_encrypted_csr( encrypted_enrollment_request=rsa_encrypted_csr) csr_path = ca.store_csr_with_enrollment_password(csr) cert_path = ca.sign_csr(csr_path) runtime.store_own_cert(certpath=cert_path, security_dir=credentials_testdir) rt_conf = copy.deepcopy(_conf) rt_conf.set('security', 'runtime_to_runtime_security', "tls") rt_conf.set('security', 'control_interface_security', "tls") rt_conf.set('security', 'domain_name', domain_name) rt_conf.set('security', 'security_dir', credentials_testdir) rt0_conf = copy.deepcopy(rt_conf) rt_conf.set('global', 'storage_type', 'proxy') rt_conf.set('global', 'storage_proxy', "calvinip://%s:5000" % hostname) # Runtime 0: local authentication, signature verification, local authorization. # Primarily acts as Certificate Authority for the domain rt0_conf.set('global', 'storage_type', 'local') rt0_conf.save("/tmp/calvin5000.conf") # Runtime 1: local authentication, signature verification, local authorization. rt1_conf = copy.deepcopy(rt_conf) rt1_conf.save("/tmp/calvin5001.conf") # Runtime 2: local authentication, signature verification, local authorization. # Can also act as authorization server for other runtimes. # Other street compared to the other runtimes rt2_conf = copy.deepcopy(rt_conf) rt2_conf.save("/tmp/calvin5002.conf") # Runtime 3: external authentication (RADIUS), signature verification, local authorization. rt3_conf = copy.deepcopy(rt_conf) rt3_conf.save("/tmp/calvin5003.conf") # Runtime 4: local authentication, signature verification, external authorization (runtime 2). rt4_conf = copy.deepcopy(rt_conf) rt4_conf.save("/tmp/calvin5004.conf") # Runtime 5: external authentication (runtime 1), signature verification, local authorization. rt5_conf = copy.deepcopy(rt_conf) rt5_conf.save("/tmp/calvin5005.conf") #Start all runtimes for i in range(len(rt_attributes)): _log.info("Starting runtime {}".format(i)) try: logfile = _config_pytest.getoption("logfile") + "500{}".format( i) outfile = os.path.join( os.path.dirname(logfile), os.path.basename(logfile).replace("log", "out")) if outfile == logfile: outfile = None except: logfile = None outfile = None csruntime(hostname, port=5000 + i, controlport=5020 + i, attr=rt_attributes[i], loglevel=_config_pytest.getoption("loglevel"), logfile=logfile, outfile=outfile, configfile="/tmp/calvin500{}.conf".format(i)) rt.append(RT("https://{}:502{}".format(hostname, i))) # Wait to be sure that all runtimes has started time.sleep(1) time.sleep(2) request.addfinalizer(self.teardown)
def setUp(self): self.request_handler = RequestHandler() self.test_type, [self.rt1, self.rt2, self.rt3] = helpers.setup_test_type(self.request_handler)
def setup_module(module): global runtime global runtimes global peerlist global kill_peers global request_handler ip_addr = None bt_master_controluri = None request_handler = RequestHandler() try: ip_addr = os.environ["CALVIN_TEST_IP"] purpose = os.environ["CALVIN_TEST_UUID"] except KeyError: pass if ip_addr is None: # Bluetooth tests assumes one master runtime with two connected peers # CALVIN_TEST_BT_MASTERCONTROLURI is the control uri of the master runtime try: bt_master_controluri = os.environ["CALVIN_TEST_BT_MASTERCONTROLURI"] _log.debug("Running Bluetooth tests") except KeyError: pass if ip_addr: remote_node_count = 2 kill_peers = False test_peers = None import socket ports=[] for a in range(2): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(('', 0)) addr = s.getsockname() ports.append(addr[1]) s.close() runtime,_ = dispatch_node(["calvinip://%s:%s" % (ip_addr, ports[0])], "http://%s:%s" % (ip_addr, ports[1])) _log.debug("First runtime started, control http://%s:%s, calvinip://%s:%s" % (ip_addr, ports[1], ip_addr, ports[0])) interval = 0.5 for retries in range(1,20): time.sleep(interval) _log.debug("Trying to get test nodes for 'purpose' %s" % purpose) test_peers = request_handler.get_index(runtime, format_index_string({'node_name': {'organization': 'com.ericsson', 'purpose': purpose} })) if not test_peers is None and not test_peers["result"] is None and \ len(test_peers["result"]) == remote_node_count: test_peers = test_peers["result"] break if test_peers is None or len(test_peers) != remote_node_count: _log.debug("Failed to find all remote nodes within time, peers = %s" % test_peers) raise Exception("Not all nodes found dont run tests, peers = %s" % test_peers) test_peer2_id = test_peers[0] test_peer2 = request_handler.get_node(runtime, test_peer2_id) if test_peer2: runtime2 = RT(test_peer2["control_uri"]) runtime2.id = test_peer2_id runtime2.uri = test_peer2["uri"] runtimes.append(runtime2) test_peer3_id = test_peers[1] if test_peer3_id: test_peer3 = request_handler.get_node(runtime, test_peer3_id) if test_peer3: runtime3 = RT(test_peer3["control_uri"]) runtime3.id = test_peer3_id runtime3.uri = test_peer3["uri"] runtimes.append(runtime3) elif bt_master_controluri: runtime = RT(bt_master_controluri) bt_master_id = request_handler.get_node_id(bt_master_controluri) data = request_handler.get_node(runtime, bt_master_id) if data: runtime.id = bt_master_id runtime.uri = data["uri"] test_peers = request_handler.get_nodes(runtime) test_peer2_id = test_peers[0] test_peer2 = request_handler.get_node(runtime, test_peer2_id) if test_peer2: rt2 = RT(test_peer2["control_uri"]) rt2.id = test_peer2_id rt2.uri = test_peer2["uri"] runtimes.append(rt2) test_peer3_id = test_peers[1] if test_peer3_id: test_peer3 = request_handler.get_node(runtime, test_peer3_id) if test_peer3: rt3 = request_handler.RT(test_peer3["control_uri"]) rt3.id = test_peer3_id rt3.uri = test_peer3["uri"] runtimes.append(rt3) else: try: ip_addr = os.environ["CALVIN_TEST_LOCALHOST"] except: import socket ip_addr = socket.gethostbyname(socket.gethostname()) localhost = "calvinip://%s:5000" % (ip_addr,), "http://localhost:5001" remotehosts = [("calvinip://%s:%d" % (ip_addr, d), "http://localhost:%d" % (d+1)) for d in range(5002, 5005, 2)] # remotehosts = [("calvinip://127.0.0.1:5002", "http://localhost:5003")] for host in remotehosts: runtimes += [dispatch_node([host[0]], host[1])[0]] runtime, _ = dispatch_node([localhost[0]], localhost[1]) time.sleep(1) # FIXME When storage up and running peersetup not needed, but still useful during testing request_handler.peer_setup(runtime, [i[0] for i in remotehosts]) time.sleep(0.5) """ # FIXME Does not yet support peerlist try: self.peerlist = peerlist( self.runtime, self.runtime.id, len(remotehosts)) # Make sure all peers agree on network [peerlist(self.runtime, p, len(self.runtimes)) for p in self.peerlist] except: self.peerlist = [] """ peerlist = [rt.control_uri for rt in runtimes] print "SETUP DONE ***", peerlist