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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
import thread
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.bash")
TACKER_CHANGECLASSI = os.path.join(SFC_TEST_DIR, "sfc_change_classi.bash")
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, "tcp", 22, 22)
setup_ingress_egress_secgroup(neutron_client, "tcp", 80, 80)
return sg_id
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)
# 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=<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)
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)
# Start measuring the time it takes to implement the classification rules
try:
thread.start_new_thread(capture_time_log, (compute_clients,))
except Exception, e:
logger.error("Unable to start the thread that counts time %s" % e)
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 HTTP firewall on %s" % sf2)
vxlan_firewall(sf2, port="80")
logger.info("Starting SSH firewall on %s" % sf1)
vxlan_firewall(sf1, port="22")
logger.info("Wait for ODL to update the classification rules in OVS")
time.sleep(120)
logger.info("Test SSH")
if is_ssh_blocked(srv_prv_ip, client_ip):
logger.info('\033[92mTEST 1 [PASSED] ==> SSH BLOCKED\033[0m')
update_json_results("Test 1: SSH Blocked", "Passed")
else:
error = ('\033[91mTEST 1 [FAILED] ==> SSH NOT BLOCKED\033[0m')
logger.error(error)
capture_err_logs(controller_clients, compute_clients, error)
update_json_results("Test 1: SSH Blocked", "Failed")
logger.info("Test HTTP")
if not is_http_blocked(srv_prv_ip, client_ip):
logger.info('\033[92mTEST 2 [PASSED] ==> HTTP WORKS\033[0m')
update_json_results("Test 2: HTTP works", "Passed")
else:
error = ('\033[91mTEST 2 [FAILED] ==> HTTP BLOCKED\033[0m')
logger.error(error)
capture_err_logs(controller_clients, compute_clients, error)
update_json_results("Test 2: HTTP works", "Failed")
logger.info("Changing the classification")
subprocess.call(TACKER_CHANGECLASSI, shell=True)
# Start measuring the time it takes to implement the classification rules
try:
thread.start_new_thread(capture_time_log, (compute_clients,))
except Exception, e:
logger.error("Unable to start the thread that counts time %s" % e)
logger.info("Wait for ODL to update the classification rules in OVS")
time.sleep(100)
logger.info("Test HTTP")
if is_http_blocked(srv_prv_ip, client_ip):
logger.info('\033[92mTEST 3 [PASSED] ==> HTTP Blocked\033[0m')
update_json_results("Test 3: HTTP Blocked", "Passed")
else:
error = ('\033[91mTEST 3 [FAILED] ==> HTTP WORKS\033[0m')
logger.error(error)
capture_err_logs(controller_clients, compute_clients, error)
update_json_results("Test 3: HTTP Blocked", "Failed")
logger.info("Test SSH")
if not is_ssh_blocked(srv_prv_ip, client_ip):
logger.info('\033[92mTEST 4 [PASSED] ==> SSH Works\033[0m')
update_json_results("Test 4: SSH Works", "Passed")
else:
error = ('\033[91mTEST 4 [FAILED] ==> SSH BLOCKED\033[0m')
logger.error(error)
capture_err_logs(controller_clients, compute_clients, error)
update_json_results("Test 4: SSH Works", "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_two_chains_SSH_and_HTTP",
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()
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