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Diffstat (limited to 'tests/functest/odl-sfc/utils.py')
| -rw-r--r-- | tests/functest/odl-sfc/utils.py | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/tests/functest/odl-sfc/utils.py b/tests/functest/odl-sfc/utils.py new file mode 100644 index 00000000..f24f76c4 --- /dev/null +++ b/tests/functest/odl-sfc/utils.py @@ -0,0 +1,395 @@ +import os +import subprocess +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 + + +logger = ft_logger.Logger("sfc_test_utils").getLogger() +SSH_OPTIONS = '-q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' +FUNCTEST_RESULTS_DIR = os.path.join("home", "opnfv", + "functest", "results", "odl-sfc") + + +def run_cmd(cmd, wdir=None, ignore_stderr=False, ignore_no_output=True): + """run given command locally and return commands output if success""" + 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) + return ignore_stderr + + if ignore_no_output and not output: + return True + + return output + + +def run_cmd_on_controller(cmd): + """run given command on OpenStack controller""" + ip_controllers = get_openstack_node_ips("controller") + if not ip_controllers: + return None + + ssh_cmd = "ssh %s %s %s" % (SSH_OPTIONS, ip_controllers[0], cmd) + return run_cmd_on_fm(ssh_cmd) + + +def run_cmd_on_compute(cmd): + """run given command on OpenStack Compute node""" + 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) + + +def run_cmd_on_fm(cmd, username="root", passwd="r00tme"): + """run given command on Fuel Master""" + 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) + + +def run_cmd_remote(ip, cmd, username="root", passwd="opnfv"): + """run given command on Remote Machine, Can be VM""" + 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) + + +def get_openstack_node_ips(role): + """Get OpenStack Nodes IP Address""" + 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 + + +def configure_iptables(): + """Configures IPTABLES on OpenStack Controller""" + 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_controller(cmd) + + return + + +def download_image(url, image_path): + image_filename = os.path.basename(image_path) + image_url = "%s/%s" % (url, image_filename) + image_dir = os.path.dirname(image_path) + if not os.path.isfile(image_path): + logger.info("Downloading image") + ft_utils.download_url(image_url, image_dir) + return None + + logger.info("Using old image") + return + + +def setup_neutron(neutron_client, net, subnet, router, subnet_cidr): + n_dict = os_utils.create_network_full(neutron_client, + net, + subnet, + router, + subnet_cidr) + if not n_dict: + logger.error("failed to create neutron network") + return False + + return n_dict["net_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 create_security_groups(neutron_client, secgroup_name, secgroup_descr): + 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, "tcp", 22, 22) + setup_ingress_egress_secgroup(neutron_client, "tcp", 80, 80) + + return sg_id + + +def create_instance(nova_client, name, flavor, image_id, network_id, sg_id, + secgroup_name=None, fixed_ip=None, + compute_node='', userdata=None, files=None): + logger.info("Creating instance '%s'..." % name) + logger.debug( + "Configuration:\n name=%s \n flavor=%s \n image=%s \n" + " network=%s\n secgroup=%s \n hypervisor=%s \n" + " fixed_ip=%s\n files=%s\n userdata=\n%s\n" + % (name, flavor, image_id, network_id, sg_id, + compute_node, fixed_ip, files, userdata)) + instance = os_utils.create_instance_and_wait_for_active( + flavor, + image_id, + network_id, + name, + config_drive=True, + userdata=userdata, + av_zone=compute_node, + fixed_ip=fixed_ip, + files=files) + + if instance is None: + logger.error("Error while booting instance.") + return None + + if secgroup_name: + logger.debug("Adding '%s' to security group '%s'..." + % (name, secgroup_name)) + else: + logger.debug("Adding '%s' to security group '%s'..." + % (name, sg_id)) + os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id) + + return instance + + +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 -= 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)) + return None + + 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] + + +def start_http_server(ip): + """Start http server on a given machine, Can be VM""" + cmd = "\'python -m SimpleHTTPServer 80" + cmd = cmd + " > /dev/null 2>&1 &\'" + run_cmd_remote(ip, cmd) + output = run_cmd_remote(ip, "ps aux|grep SimpleHTTPServer") + if not output: + logger.error("Failed to start http server") + return False + + logger.info(output) + return True + + +def vxlan_firewall(sf, iface="eth0", port="22", block=True): + """Set firewall using vxlan_tool.py on a given machine, Can be VM""" + cmd = "python vxlan_tool.py -i %s -d forward -v off" % iface + if block: + cmd = "python vxlan_tool.py -i eth0 -d forward -v off -b %s" % port + + cmd = "sh -c 'cd /root;nohup " + cmd + " > /dev/null 2>&1 &'" + run_cmd_remote(sf, cmd) + + +def netcat(s_ip, c_ip, port="80", timeout=5): + """Run netcat on a give machine, Can be VM""" + 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 get_ssh_clients(role, proxy): + 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 + + +def check_ssh(ips, retries=100): + """Check SSH connectivity to VNFs""" + 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 + + +def capture_time_log(compute_clients, timeout=200): + """Measure the time it takes to update the classification rules""" + 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 + timeout -= 1 + if not timeout: + logger.error( + "Timeout but classification rules are not updated") + break + time.sleep(1) + return + + +def get_compute_nodes(nova_client, required_node_number=2): + """Get the compute nodes in the deployment""" + compute_nodes = os_utils.get_hypervisors(nova_client) + + num_compute_nodes = len(compute_nodes) + if num_compute_nodes < 2: + logger.error("There are %s compute nodes in the deployment. " + "Minimum number of nodes to complete the test is 2." + % num_compute_nodes) + return None + + logger.debug("Compute nodes: %s" % compute_nodes) + return compute_nodes |