Refactoring test-2 with latest changes

JIRA : SFC-55

Adapting SFC-HA odl-sfc test-2 to the latest changes in SFC-52

Change-Id: I0252b97d99bce75a5cadf4d700bdee91913c6429
Signed-off-by: Manuel Buil <manuelbuil87@gmail.com>

4 files changed, 278 insertions, 565 deletions

diff --git a/tests/functest/odl-sfc/config.yaml b/tests/functest/odl-sfc/config.yaml
index 05f087f0..7861d771 100644
--- a/tests/functest/odl-sfc/config.yaml
+++ b/tests/functest/odl-sfc/config.yaml
@@ -26,3 +26,16 @@ testcases:
       secgroup_descr: "Example Security group"
       test_vnfd_red: "test-vnfd1.yaml"
       test_vnfd_blue: "test-vnfd2.yaml"
+
+  sfc_one_chain_two_service_functions_different_computes:
+      enabled: true
+      description: "ODL-SFC Testing SFs in different computes"
+      testname_db: "sfc_one_chain_two_service_functions_different_computes"
+      net_name: example-net
+      subnet_name: example-subnet
+      router_name: example-router
+      subnet_cidr: "11.0.0.0/24"
+      secgroup_name: "example-sg"
+      secgroup_descr: "Example Security group"
+      test_vnfd_red: "test2-vnfd1.yaml"
+      test_vnfd_blue: "test2-vnfd2.yaml"
diff --git a/tests/functest/odl-sfc/sfc-test2.py b/tests/functest/odl-sfc/sfc-test2.py
deleted file mode 100755
index 5e97e698..00000000
--- a/tests/functest/odl-sfc/sfc-test2.py
+++ /dev/null
@@ -1,565 +0,0 @@
-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, "vnfd-templates", "test2-vnfd1.yaml")
-TACKER_VNFD2 = os.path.join(SFC_TEST_DIR, "vnfd-templates", "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'
-}
-
-
-def run_cmd(cmd, wdir=None, ignore_stderr=False, ignore_no_output=True):
-    """run given command locally and return command's 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)
-        if ignore_stderr:
-            return True
-        else:
-            return False
-
-    if ignore_no_output:
-        if not output:
-            return True
-
-    return output
-
-
-def run_cmd_on_cntlr(cmd):
-    """run given command on first OpenStack controller"""
-    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)
-
-
-def run_cmd_on_compute(cmd):
-    """run given command on first 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"""
-    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():
-    """Configure 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_cntlr(cmd)
-
-
-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")
-
-
-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)
-
-
-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]
-
-
-def start_http_server(ip):
-    """Start http server on a given machine"""
-    cmd = "\'python -m SimpleHTTPServer 80"
-    cmd = cmd + " > /dev/null 2>&1 &\'"
-    return run_cmd_remote(ip, cmd)
-
-
-def vxlan_firewall(sf, iface="eth0", port="22", block=True):
-    """Set firewall using vxlan_tool.py on a give machine"""
-    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)
-
-
-# JIRA: SFC-52 added function
-def vxlan_tool_stop(sf):
-    """Stop the vxlan_tool process"""
-    cmd = "pkill -f vxlan_tool.py"
-    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)
-
-
-def update_json_results(name, result):
-    json_results.update({name: result})
-    if result is not "Passed":
-        json_results["failures"] += 1
-
-
-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
-
-
-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):
-    """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
-        time.sleep(1)
-
-
-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)
-    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()
diff --git a/tests/functest/odl-sfc/sfc_one_chain_two_service_functions_different_computes.py b/tests/functest/odl-sfc/sfc_one_chain_two_service_functions_different_computes.py
new file mode 100755
index 00000000..b903f837
--- /dev/null
+++ b/tests/functest/odl-sfc/sfc_one_chain_two_service_functions_different_computes.py
@@ -0,0 +1,260 @@
+import argparse
+import os
+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 functest.utils.openstack_tacker as os_tacker
+import re
+import ovs_utils
+import utils as test_utils
+import config as sfc_config
+
+
+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()
+
+REPO_PATH = os.path.join(os.environ['REPOS_DIR'], 'sfc/')
+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, "vnfd-templates", "test2-vnfd1.yaml")
+TACKER_VNFD2 = os.path.join(SFC_TEST_DIR, "vnfd-templates", "test2-vnfd2.yaml")
+CLIENT = "client"
+SERVER = "server"
+ssh_options = '-q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'
+json_results = {"tests": 4, "failures": 0}
+COMMON_CONFIG = sfc_config.CommonConfig()
+TESTCASE_CONFIG = sfc_config.TestcaseConfig('sfc_one_chain_two_service'
+                                            '_functions_different_computes')
+
+PROXY = {
+    'ip': COMMON_CONFIG.fuel_master_ip,
+    'username': COMMON_CONFIG.fuel_master_uname,
+    'password': COMMON_CONFIG.fuel_master_passwd
+}
+
+
+def update_json_results(name, result):
+    json_results.update({name: result})
+    if result is not "Passed":
+        json_results["failures"] += 1
+    return
+
+
+# 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 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"
+    test_utils.configure_iptables()
+    test_utils.download_image(COMMON_CONFIG.url,
+                              COMMON_CONFIG.image_path)
+    _, custom_flv_id = os_utils.get_or_create_flavor(
+        COMMON_CONFIG.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()
+    tacker_client = os_tacker.get_tacker_client()
+
+    controller_clients = test_utils.get_ssh_clients("controller", PROXY)
+    compute_clients = test_utils.get_ssh_clients("compute", PROXY)
+
+    ovs_logger = ovs_utils.OVSLogger(
+        os.path.join(COMMON_CONFIG.sfc_test_dir, 'ovs-logs'),
+        COMMON_CONFIG.functest_results_dir)
+
+    image_id = os_utils.create_glance_image(glance_client,
+                                            COMMON_CONFIG.image_name,
+                                            COMMON_CONFIG.image_path,
+                                            COMMON_CONFIG.image_format,
+                                            public=True)
+
+    network_id = test_utils.setup_neutron(neutron_client,
+                                          TESTCASE_CONFIG.net_name,
+                                          TESTCASE_CONFIG.subnet_name,
+                                          TESTCASE_CONFIG.router_name,
+                                          TESTCASE_CONFIG.subnet_cidr)
+
+    sg_id = test_utils.create_security_groups(neutron_client,
+                                              TESTCASE_CONFIG.secgroup_name,
+                                              TESTCASE_CONFIG.secgroup_descr)
+
+    prepare_tacker_vnfd(nova_client)
+
+    test_utils.create_instance(
+        nova_client, CLIENT, COMMON_CONFIG.flavor,
+        image_id, network_id, sg_id)
+
+    srv_instance = test_utils.create_instance(
+        nova_client, SERVER, COMMON_CONFIG.flavor, image_id,
+        network_id, sg_id)
+
+    srv_prv_ip = srv_instance.networks.get(TESTCASE_CONFIG.net_name)[0]
+
+    tosca_file = os.path.join(COMMON_CONFIG.sfc_test_dir,
+                              COMMON_CONFIG.vnfd_dir,
+                              TESTCASE_CONFIG.test_vnfd_red)
+
+    os_tacker.create_vnfd(
+        tacker_client,
+        tosca_file=tosca_file)
+
+    tosca_file = os.path.join(COMMON_CONFIG.sfc_test_dir,
+                              COMMON_CONFIG.vnfd_dir,
+                              TESTCASE_CONFIG.test_vnfd_blue)
+    os_tacker.create_vnfd(
+        tacker_client,
+        tosca_file=tosca_file)
+
+    os_tacker.create_vnf(
+        tacker_client, 'testVNF1', vnfd_name='test-vnfd1')
+    os_tacker.create_vnf(
+        tacker_client, 'testVNF2', vnfd_name='test-vnfd2')
+
+    try:
+        os_tacker.wait_for_vnf(tacker_client, vnf_name='testVNF1')
+        os_tacker.wait_for_vnf(tacker_client, vnf_name='testVNF2')
+    except:
+        logger.error('ERROR while booting vnfs')
+        sys.exit(1)
+
+    os_tacker.create_sfc(tacker_client, 'red',
+                         chain_vnf_names=['testVNF1', 'testVNF2'])
+
+    os_tacker.create_sfc_classifier(
+        tacker_client, 'red_http', sfc_name='red',
+        match={
+            'source_port': 0,
+            'dest_port': 80,
+            'protocol': 6
+        })
+
+    logger.info(test_utils.run_cmd('tacker sfc-list'))
+    logger.info(test_utils.run_cmd('tacker sfc-classifier-list'))
+
+    server_ip, client_ip, sf1, sf2 = test_utils.get_floating_ips(
+        nova_client, neutron_client)
+
+    if not test_utils.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 test_utils.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)
+    test_utils.vxlan_firewall(sf2, block=False)
+    logger.info("Starting vxlan_tool on %s" % sf1)
+    test_utils.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 test_utils.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)
+        test_utils.capture_err_logs(
+            ovs_logger, 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
+    test_utils.vxlan_tool_stop(sf1)
+    test_utils.vxlan_firewall(sf1, port="80")
+
+    logger.info("Test HTTP again")
+    if test_utils.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)
+        test_utils.capture_err_logs(
+            ovs_logger, 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()
diff --git a/tests/functest/odl-sfc/utils.py b/tests/functest/odl-sfc/utils.py
index 779e8490..f8483170 100644
--- a/tests/functest/odl-sfc/utils.py
+++ b/tests/functest/odl-sfc/utils.py
@@ -273,6 +273,11 @@ def vxlan_firewall(sf, iface="eth0", port="22", block=True):
     run_cmd_remote(sf, cmd)
 
 
+def vxlan_tool_stop(sf):
+    cmd = "pkill -f vxlan_tool.py"
+    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 "