import argparse import os import subprocess import sys import time import functest.utils.functest_logger as ft_logger import functest.utils.functest_utils as ft_utils import functest.utils.openstack_utils as os_utils import re import json import SSHUtils as ssh_utils import ovs_utils parser = argparse.ArgumentParser() parser.add_argument("-r", "--report", help="Create json result file", action="store_true") args = parser.parse_args() """ logging configuration """ logger = ft_logger.Logger("ODL_SFC").getLogger() FUNCTEST_RESULTS_DIR = '/home/opnfv/functest/results/odl-sfc' FUNCTEST_REPO = ft_utils.FUNCTEST_REPO REPO_PATH = os.path.join(os.environ['repos_dir'], 'sfc/') CLIENT = "client" SERVER = "server" FLAVOR = "custom" IMAGE_NAME = "sf_nsh_colorado" IMAGE_FILENAME = "sf_nsh_colorado.qcow2" IMAGE_FORMAT = "qcow2" IMAGE_DIR = "/home/opnfv/functest/data" IMAGE_PATH = os.path.join(IMAGE_DIR, IMAGE_FILENAME) IMAGE_URL = "http://artifacts.opnfv.org/sfc/demo/" + IMAGE_FILENAME # NEUTRON Private Network parameters NET_NAME = "example-net" SUBNET_NAME = "example-subnet" SUBNET_CIDR = "11.0.0.0/24" ROUTER_NAME = "example-router" SECGROUP_NAME = "example-sg" SECGROUP_DESCR = "Example Security group" SFC_TEST_DIR = os.path.join(REPO_PATH, "tests/functest/odl-sfc/") TACKER_SCRIPT = os.path.join(SFC_TEST_DIR, "sfc_tacker_test2.bash") TACKER_VNFD1 = os.path.join(SFC_TEST_DIR, "test2-vnfd1.yaml") TACKER_VNFD2 = os.path.join(SFC_TEST_DIR, "test2-vnfd2.yaml") ssh_options = '-q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' json_results = {"tests": 4, "failures": 0} PROXY = { 'ip': '10.20.0.2', 'username': 'root', 'password': 'r00tme' } # run given command locally and return commands output if success def run_cmd(cmd, wdir=None, ignore_stderr=False, ignore_no_output=True): pipe = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=wdir) (output, errors) = pipe.communicate() if output: output = output.strip() if pipe.returncode < 0: logger.error(errors) return False if errors: logger.error(errors) if ignore_stderr: return True else: return False if ignore_no_output: if not output: return True return output # run given command on OpenStack controller def run_cmd_on_cntlr(cmd): ip_cntlrs = get_openstack_node_ips("controller") if not ip_cntlrs: return None ssh_cmd = "ssh %s %s %s" % (ssh_options, ip_cntlrs[0], cmd) return run_cmd_on_fm(ssh_cmd) # run given command on OpenStack Compute node def run_cmd_on_compute(cmd): ip_computes = get_openstack_node_ips("compute") if not ip_computes: return None ssh_cmd = "ssh %s %s %s" % (ssh_options, ip_computes[0], cmd) return run_cmd_on_fm(ssh_cmd) # run given command on Fuel Master def run_cmd_on_fm(cmd, username="root", passwd="r00tme"): ip = os.environ.get("INSTALLER_IP") ssh_cmd = "sshpass -p %s ssh %s %s@%s %s" % ( passwd, ssh_options, username, ip, cmd) return run_cmd(ssh_cmd) # run given command on Remote Machine, Can be VM def run_cmd_remote(ip, cmd, username="root", passwd="opnfv"): ssh_opt_append = "%s -o ConnectTimeout=50 " % ssh_options ssh_cmd = "sshpass -p %s ssh %s %s@%s %s" % ( passwd, ssh_opt_append, username, ip, cmd) return run_cmd(ssh_cmd) # Get OpenStack Nodes IP Address def get_openstack_node_ips(role): fuel_env = os.environ.get("FUEL_ENV") if fuel_env is not None: cmd = "fuel2 node list -f json -e %s" % fuel_env else: cmd = "fuel2 node list -f json" nodes = run_cmd_on_fm(cmd) ips = [] nodes = json.loads(nodes) for node in nodes: if role in node["roles"]: ips.append(node["ip"]) return ips # Configures IPTABLES on OpenStack Controller def configure_iptables(): iptable_cmds = ["iptables -P INPUT ACCEPT", "iptables -t nat -P INPUT ACCEPT", "iptables -A INPUT -m state \ --state NEW,ESTABLISHED,RELATED -j ACCEPT"] for cmd in iptable_cmds: logger.info("Configuring %s on contoller" % cmd) run_cmd_on_cntlr(cmd) return def download_image(): if not os.path.isfile(IMAGE_PATH): logger.info("Downloading image") ft_utils.download_url(IMAGE_URL, IMAGE_DIR) logger.info("Using old image") return def setup_glance(glance_client): image_id = os_utils.create_glance_image(glance_client, IMAGE_NAME, IMAGE_PATH, disk=IMAGE_FORMAT, container="bare", public=True) return image_id def setup_neutron(neutron_client): n_dict = os_utils.create_network_full(neutron_client, NET_NAME, SUBNET_NAME, ROUTER_NAME, SUBNET_CIDR) if not n_dict: logger.error("failed to create neutron network") sys.exit(-1) network_id = n_dict["net_id"] return network_id def setup_ingress_egress_secgroup(neutron_client, protocol, min_port=None, max_port=None): secgroups = os_utils.get_security_groups(neutron_client) for sg in secgroups: os_utils.create_secgroup_rule(neutron_client, sg['id'], 'ingress', protocol, port_range_min=min_port, port_range_max=max_port) os_utils.create_secgroup_rule(neutron_client, sg['id'], 'egress', protocol, port_range_min=min_port, port_range_max=max_port) return def setup_security_groups(neutron_client): sg_id = os_utils.create_security_group_full(neutron_client, SECGROUP_NAME, SECGROUP_DESCR) setup_ingress_egress_secgroup(neutron_client, "icmp") setup_ingress_egress_secgroup(neutron_client, "udp", 67, 68) setup_ingress_egress_secgroup(neutron_client, "tcp", 22, 22) setup_ingress_egress_secgroup(neutron_client, "tcp", 80, 80) return sg_id # JIRA: SFC-52 new function def setup_availability_zones(nova_client): computes = os_utils.get_hypervisors(nova_client) az = ["nova::" + computes[0], "nova::" + computes[1]] logger.debug("These are the availability zones %s" % az) return az # JIRA: SFC-52 new function def modify_vnfd(tacker_vnfd, az): try: with open(tacker_vnfd, 'r') as stream: lines = stream.readlines() with open(tacker_vnfd, 'w') as stream: for line in lines: stream.write(re.sub('nova$', az, line)) except Exception, e: logger.error("Problem when changing vnfd %s" % e) # JIRA: SFC-52 new function def prepare_tacker_vnfd(nova_client): azs = setup_availability_zones(nova_client) modify_vnfd(TACKER_VNFD1, azs[0]) modify_vnfd(TACKER_VNFD2, azs[1]) def boot_instance(nova_client, name, flavor, image_id, network_id, sg_id,): logger.info("Creating instance '%s'..." % name) logger.debug( "Configuration:\n name=%s \n flavor=%s \n image=%s \n " "network=%s \n" % (name, flavor, image_id, network_id)) instance = os_utils.create_instance_and_wait_for_active(flavor, image_id, network_id, name) if instance is None: logger.error("Error while booting instance.") sys.exit(-1) instance_ip = instance.networks.get(NET_NAME)[0] logger.debug("Instance '%s' got private ip '%s'." % (name, instance_ip)) logger.info("Adding '%s' to security group %s" % (name, SECGROUP_NAME)) os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id) return instance_ip def ping(remote, pkt_cnt=1, iface=None, retries=100, timeout=None): ping_cmd = 'ping' if timeout: ping_cmd = ping_cmd + ' -w %s' % timeout grep_cmd = "grep -e 'packet loss' -e rtt" if iface is not None: ping_cmd = ping_cmd + ' -I %s' % iface ping_cmd = ping_cmd + ' -i 0 -c %d %s' % (pkt_cnt, remote) cmd = ping_cmd + '|' + grep_cmd while retries > 0: output = run_cmd(cmd) if not output: return False match = re.search('(\d*)% packet loss', output) if not match: return False packet_loss = int(match.group(1)) if packet_loss == 0: return True retries = retries - 1 return False def get_floating_ips(nova_client, neutron_client): ips = [] instances = nova_client.servers.list(search_opts={'all_tenants': 1}) for instance in instances: floatip_dic = os_utils.create_floating_ip(neutron_client) floatip = floatip_dic['fip_addr'] instance.add_floating_ip(floatip) logger.info("Instance name and ip %s:%s " % (instance.name, floatip)) logger.info("Waiting for instance %s:%s to come up" % (instance.name, floatip)) if not ping(floatip): logger.info("Instance %s:%s didn't come up" % (instance.name, floatip)) sys.exit(1) if instance.name == "server": logger.info("Server:%s is reachable" % floatip) server_ip = floatip elif instance.name == "client": logger.info("Client:%s is reachable" % floatip) client_ip = floatip else: logger.info("SF:%s is reachable" % floatip) ips.append(floatip) return server_ip, client_ip, ips[1], ips[0] # Start http server on a give machine, Can be VM def start_http_server(ip): cmd = "\'python -m SimpleHTTPServer 80" cmd = cmd + " > /dev/null 2>&1 &\'" return run_cmd_remote(ip, cmd) # Set firewall using vxlan_tool.py on a give machine, Can be VM def vxlan_firewall(sf, iface="eth0", port="22", block=True): cmd = "python vxlan_tool.py" cmd = cmd + " -i " + iface + " -d forward -v off" if block: cmd = "python vxlan_tool.py -i eth0 -d forward -v off -b " + port cmd = "sh -c 'cd /root;nohup " + cmd + " > /dev/null 2>&1 &'" run_cmd_remote(sf, cmd) # Stop the vxlan_tool process if it was working # JIRA: SFC-52 added function def vxlan_tool_stop(sf): cmd = "pkill -f vxlan_tool.py" run_cmd_remote(sf, cmd) # Run netcat on a give machine, Can be VM def netcat(s_ip, c_ip, port="80", timeout=5): cmd = "nc -zv " cmd = cmd + " -w %s %s %s" % (timeout, s_ip, port) cmd = cmd + " 2>&1" output = run_cmd_remote(c_ip, cmd) logger.info("%s" % output) return output def is_ssh_blocked(srv_prv_ip, client_ip): res = netcat(srv_prv_ip, client_ip, port="22") match = re.search("nc:.*timed out:.*", res, re.M) if match: return True return False def is_http_blocked(srv_prv_ip, client_ip): res = netcat(srv_prv_ip, client_ip, port="80") match = re.search(".* 80 port.* succeeded!", res, re.M) if match: return False return True def capture_err_logs(controller_clients, compute_clients, error): ovs_logger = ovs_utils.OVSLogger( os.path.join(os.getcwd(), 'ovs-logs'), FUNCTEST_RESULTS_DIR) timestamp = time.strftime("%Y%m%d-%H%M%S") ovs_logger.dump_ovs_logs(controller_clients, compute_clients, related_error=error, timestamp=timestamp) return def update_json_results(name, result): json_results.update({name: result}) if result is not "Passed": json_results["failures"] += 1 return def get_ssh_clients(role): clients = [] for ip in get_openstack_node_ips(role): s_client = ssh_utils.get_ssh_client(ip, 'root', proxy=PROXY) clients.append(s_client) return clients # Check SSH connectivity to VNFs def check_ssh(ips, retries=100): check = [False, False] logger.info("Checking SSH connectivity to the SFs with ips %s" % str(ips)) while retries and not all(check): for index, ip in enumerate(ips): check[index] = run_cmd_remote(ip, "exit") if all(check): logger.info("SSH connectivity to the SFs established") return True time.sleep(3) retries -= 1 return False # Measure the time it takes to update the classification rules def capture_time_log(compute_clients): ovs_logger = ovs_utils.OVSLogger( os.path.join(os.getcwd(), 'ovs-logs'), "test") i = 0 first_RSP = "" start_time = time.time() while True: rsps = ovs_logger.ofctl_time_counter(compute_clients[0]) if not i: if len(rsps) > 0: first_RSP = rsps[0] i = i + 1 else: first_RSP = 0 i = i + 1 if (len(rsps) > 1): if(first_RSP != rsps[0]): if (rsps[0] == rsps[1]): stop_time = time.time() logger.info("classification rules updated") difference = stop_time - start_time logger.info("It took %s seconds" % difference) break time.sleep(1) return def main(): installer_type = os.environ.get("INSTALLER_TYPE") if installer_type != "fuel": logger.error( '\033[91mCurrently supported only Fuel Installer type\033[0m') sys.exit(1) installer_ip = os.environ.get("INSTALLER_IP") if not installer_ip: logger.error( '\033[91minstaller ip is not set\033[0m') logger.error( '\033[91mexport INSTALLER_IP=\033[0m') sys.exit(1) start_time = time.time() status = "PASS" configure_iptables() download_image() _, custom_flv_id = os_utils.get_or_create_flavor( FLAVOR, 1500, 10, 1, public=True) if not custom_flv_id: logger.error("Failed to create custom flavor") sys.exit(1) glance_client = os_utils.get_glance_client() neutron_client = os_utils.get_neutron_client() nova_client = os_utils.get_nova_client() controller_clients = get_ssh_clients("controller") compute_clients = get_ssh_clients("compute") image_id = setup_glance(glance_client) network_id = setup_neutron(neutron_client) sg_id = setup_security_groups(neutron_client) prepare_tacker_vnfd(nova_client) boot_instance( nova_client, CLIENT, FLAVOR, image_id, network_id, sg_id,) srv_prv_ip = boot_instance( nova_client, SERVER, FLAVOR, image_id, network_id, sg_id,) subprocess.call(TACKER_SCRIPT, shell=True) server_ip, client_ip, sf1, sf2 = get_floating_ips( nova_client, neutron_client) if not check_ssh([sf1, sf2]): logger.error("Cannot establish SSH connection to the SFs") sys.exit(1) logger.info("Starting HTTP server on %s" % server_ip) if not start_http_server(server_ip): logger.error( '\033[91mFailed to start HTTP server on %s\033[0m' % server_ip) sys.exit(1) logger.info("Starting vxlan_tool on %s" % sf2) vxlan_firewall(sf2, block=False) logger.info("Starting vxlan_tool on %s" % sf1) vxlan_firewall(sf1, block=False) logger.info("Wait for ODL to update the classification rules in OVS") time.sleep(100) logger.info("Test HTTP") if not is_http_blocked(srv_prv_ip, client_ip): logger.info('\033[92mTEST 1 [PASSED] ==> HTTP WORKS\033[0m') update_json_results("Test 1: HTTP works", "Passed") else: error = ('\033[91mTEST 1 [FAILED] ==> HTTP BLOCKED\033[0m') logger.error(error) capture_err_logs(controller_clients, compute_clients, error) update_json_results("Test 1: HTTP works", "Failed") logger.info("Changing the vxlan_tool to block HTTP traffic") # Make SF1 block now http traffic vxlan_tool_stop(sf1) vxlan_firewall(sf1, port="80") logger.info("Test HTTP") if is_http_blocked(srv_prv_ip, client_ip): logger.info('\033[92mTEST 2 [PASSED] ==> HTTP Blocked\033[0m') update_json_results("Test 2: HTTP Blocked", "Passed") else: error = ('\033[91mTEST 2 [FAILED] ==> HTTP WORKS\033[0m') logger.error(error) capture_err_logs(controller_clients, compute_clients, error) update_json_results("Test 2: HTTP Blocked", "Failed") if json_results["failures"]: status = "FAIL" logger.error('\033[91mSFC TESTS: %s :( FOUND %s FAIL \033[0m' % ( status, json_results["failures"])) if args.report: stop_time = time.time() logger.debug("Promise Results json: " + str(json_results)) ft_utils.push_results_to_db("sfc", "sfc_one_chain_two_service_functions" "_different_computes", start_time, stop_time, status, json_results) if status == "PASS": logger.info('\033[92mSFC ALL TESTS: %s :)\033[0m' % status) sys.exit(0) sys.exit(1) if __name__ == '__main__': main()