path: root/testcases/features/sfc/sfc_colorado1.py

import os
import subprocess
import sys
import time
import argparse
import paramiko

import functest.utils.functest_logger as ft_logger
import functest.utils.functest_utils as ft_utils
import functest.utils.openstack_utils as os_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_REPO = ft_utils.FUNCTEST_REPO

HOME = os.environ['HOME'] + "/"

VM_BOOT_TIMEOUT = 180
INSTANCE_NAME = "client"
FLAVOR = "m1.small"
IMAGE_NAME = "sf_nsh_colorado"
IMAGE_FILENAME = "sf_nsh_colorado.qcow2"
IMAGE_FORMAT = "qcow2"
IMAGE_PATH = "/home/opnfv/functest/data" + "/" + 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"

INSTANCE_NAME_2 = "server"

# TEST_DB = ft_utils.get_parameter_from_yaml("results.test_db_url")

PRE_SETUP_SCRIPT = 'sfc_pre_setup.bash'
TACKER_SCRIPT = 'sfc_tacker.bash'
TEARDOWN_SCRIPT = "sfc_teardown.bash"
TACKER_CHANGECLASSI = "sfc_change_classi.bash"

ssh_options = '-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'


def check_ssh(ip):
    cmd = "sshpass -p opnfv ssh " + ssh_options + " -q " + ip + " exit"
    success = subprocess.call(cmd, shell=True) == 0
    if not success:
        logger.debug("Wating for SSH connectivity in SF with IP: %s" % ip)
    return success


def main():

    # Allow any port so that tacker commands reaches the server.
    # This will be deleted when tacker is included in OPNFV installation

    status = "PASS"
    failures = 0
    start_time = time.time()
    json_results = {}

    contr_cmd = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
                 " 'fuel node'|grep controller|awk '{print $10}'")
    logger.info("Executing script to get ip_server: '%s'" % contr_cmd)
    process = subprocess.Popen(contr_cmd,
                               shell=True,
                               stdout=subprocess.PIPE,
                               stderr=subprocess.PIPE)
    ip_server = process.stdout.readline().rstrip()

    contr_cmd2 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
                  " 'fuel node'|grep compute|awk '{print $10}'")
    logger.info("Executing script to get ip_compute: '%s'" % contr_cmd2)
    process = subprocess.Popen(contr_cmd2,
                               shell=True,
                               stdout=subprocess.PIPE,
                               stderr=subprocess.PIPE)
    ip_compute = process.stdout.readline().rstrip()

    iptable_cmd1 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
                    " ssh " + ip_server + " iptables -P INPUT ACCEPT ")
    iptable_cmd2 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
                    " ssh " + ip_server + " iptables -t nat -P INPUT ACCEPT ")
    iptable_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
                    " ssh " + ssh_options + " " + ip_server +
                    " iptables -A INPUT -m state"
                    " --state NEW,ESTABLISHED,RELATED -j ACCEPT")

    logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd1)
    subprocess.call(iptable_cmd1, shell=True, stderr=subprocess.PIPE)

    logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd2)
    subprocess.call(iptable_cmd2, shell=True, stderr=subprocess.PIPE)

    logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd3)
    subprocess.call(iptable_cmd2, shell=True, stderr=subprocess.PIPE)

# Getting the different clients

    nova_client = os_utils.get_nova_client()
    neutron_client = os_utils.get_neutron_client()
    glance_client = os_utils.get_glance_client()

# Download the image

    if not os.path.isfile(IMAGE_PATH):
        logger.info("Downloading image")
        ft_utils.download_url(
            "http://artifacts.opnfv.org/sfc/demo/sf_nsh_colorado.qcow2",
            "/home/opnfv/functest/data/")
    else:
        logger.info("Using old image")

# Create glance image and the neutron network

    image_id = os_utils.create_glance_image(glance_client,
                                            IMAGE_NAME,
                                            IMAGE_PATH,
                                            disk=IMAGE_FORMAT,
                                            container="bare",
                                            public=True)

    network_dic = os_utils.create_network_full(neutron_client,
                                               NET_NAME,
                                               SUBNET_NAME,
                                               ROUTER_NAME,
                                               SUBNET_CIDR)
    if not network_dic:
        logger.error(
            "There has been a problem when creating the neutron network")
        sys.exit(-1)

    network_id = network_dic["net_id"]

    sg_id = os_utils.create_security_group_full(neutron_client,
                                                SECGROUP_NAME, SECGROUP_DESCR)

    secgroups = os_utils.get_security_groups(neutron_client)

    for sg in secgroups:
        os_utils.create_secgroup_rule(neutron_client, sg['id'],
                                      'ingress', 'tcp',
                                      port_range_min=22,
                                      port_range_max=22)
        os_utils.create_secgroup_rule(neutron_client, sg['id'],
                                      'egress', 'tcp',
                                      port_range_min=22,
                                      port_range_max=22)

    iterator = 0
    while(iterator < 6):
        # boot INSTANCE
        logger.info("Creating instance '%s'..." % INSTANCE_NAME)
        logger.debug(
            "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
            "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
        instance = os_utils.create_instance_and_wait_for_active(FLAVOR,
                                                                image_id,
                                                                network_id,
                                                                INSTANCE_NAME)

        if instance is None:
            logger.error("Error while booting instance.")
            iterator += 1
            continue
        # Retrieve IP of INSTANCE
        instance_ip = instance.networks.get(NET_NAME)[0]
        logger.debug("Instance '%s' got private ip '%s'." %
                     (INSTANCE_NAME, instance_ip))

        logger.info("Adding '%s' to security group '%s'..."
                    % (INSTANCE_NAME, SECGROUP_NAME))
        os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id)

        logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME)
        floatip_dic = os_utils.create_floating_ip(neutron_client)
        floatip_client = floatip_dic['fip_addr']
        # floatip_id = floatip_dic['fip_id']

        if floatip_client is None:
            logger.error("Cannot create floating IP.")
            iterator += 1
            continue
        logger.info("Floating IP created: '%s'" % floatip_client)

        logger.info("Associating floating ip: '%s' to VM '%s' "
                    % (floatip_client, INSTANCE_NAME))
        if not os_utils.add_floating_ip(nova_client,
                                        instance.id,
                                        floatip_client):
            logger.error("Cannot associate floating IP to VM.")
            iterator += 1
            continue

    # STARTING SECOND VM (server) ###

        # boot INTANCE
        logger.info("Creating instance '%s'..." % INSTANCE_NAME)
        logger.debug(
            "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
            "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
        instance_2 = os_utils.create_instance_and_wait_for_active(
            FLAVOR,
            image_id,
            network_id,
            INSTANCE_NAME_2)

        if instance_2 is None:
            logger.error("Error while booting instance.")
            iterator += 1
            continue
        # Retrieve IP of INSTANCE
        instance_ip_2 = instance_2.networks.get(NET_NAME)[0]
        logger.debug("Instance '%s' got private ip '%s'." %
                     (INSTANCE_NAME_2, instance_ip_2))

        logger.info("Adding '%s' to security group '%s'..."
                    % (INSTANCE_NAME_2, SECGROUP_NAME))
        os_utils.add_secgroup_to_instance(nova_client, instance_2.id, sg_id)

        logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME_2)
        floatip_dic = os_utils.create_floating_ip(neutron_client)
        floatip_server = floatip_dic['fip_addr']
        # floatip_id = floatip_dic['fip_id']

        if floatip_server is None:
            logger.error("Cannot create floating IP.")
            iterator += 1
            continue
        logger.info("Floating IP created: '%s'" % floatip_server)

        logger.info("Associating floating ip: '%s' to VM '%s' "
                    % (floatip_server, INSTANCE_NAME_2))

        if not os_utils.add_floating_ip(nova_client,
                                        instance_2.id,
                                        floatip_server):
            logger.error("Cannot associate floating IP to VM.")
            iterator += 1
            continue

        # CREATION OF THE 2 SF ####

        tacker_script = "%s/testcases/features/sfc/%s" % \
                        (FUNCTEST_REPO, TACKER_SCRIPT)
        logger.info("Executing tacker script: '%s'" % tacker_script)
        subprocess.call(tacker_script, shell=True)

        # SSH CALL TO START HTTP SERVER
        ssh = paramiko.SSHClient()
        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

        try:
            ssh.connect(floatip_server, username="root",
                        password="opnfv", timeout=2)
            command = "python -m SimpleHTTPServer 80 > /dev/null 2>&1 &"
            logger.info("Starting HTTP server")
            (stdin, stdout, stderr) = ssh.exec_command(command)
        except:
            logger.debug("Waiting for %s..." % floatip_server)
            time.sleep(6)
            # timeout -= 1

        instances = nova_client.servers.list(search_opts={'all_tenants': 1})
        ips = []
        try:
            for instance in instances:
                if "server" not in instance.name:
                    if "client" not in instance.name:
                        logger.debug(
                            "This is the instance name: %s " % instance.name)
                        floatip_dic = os_utils.create_floating_ip(
                            neutron_client)
                        floatip = floatip_dic['fip_addr']
                        ips.append(floatip)
                        instance.add_floating_ip(floatip)
        except:
            logger.debug("Problems assigning floating IP to SFs")

        # If no IPs were obtained, then we cant continue
        if not ips:
            logger.error('Failed to obtain IPs, cant continue, exiting')
            return

        logger.debug("Floating IPs for SFs: %s..." % ips)

        # Check SSH connectivity to VNFs
        r = 0
        retries = 100
        check = [False, False]

        logger.info("Checking SSH connectivity to the SFs with ips {0}"
                    .format(str(ips)))
        while r < retries and not all(check):
            try:
                check = [check_ssh(ips[0]), check_ssh(ips[1])]
            except Exception:
                logger.exception("SSH check failed")
                check = [False, False]
            time.sleep(3)
            r += 1

        if not all(check):
            logger.error("Cannot establish SSH connection to the SFs")
            iterator += 1
            continue

        logger.info("SSH connectivity to the SFs established")

        # SSH TO START THE VXLAN_TOOL ON SF1
        logger.info("Configuring the SFs")
        try:
            ssh.connect(ips[0], username="root",
                        password="opnfv", timeout=2)
            command = ("nohup python vxlan_tool.py -i eth0 "
                       "-d forward -v off -b 80 > /dev/null 2>&1 &")
            (stdin, stdout, stderr) = ssh.exec_command(command)
        except:
            logger.debug("Waiting for %s..." % ips[0])
            time.sleep(6)
            # timeout -= 1

        try:
            n = 0
            while 1:
                (stdin, stdout, stderr) = ssh.exec_command(
                    "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
                if len(stdout.readlines()) > 0:
                    logger.debug("HTTP firewall started")
                    break
                else:
                    n += 1
                    if (n > 7):
                        break
                    logger.debug("HTTP firewall not started")
                    time.sleep(3)
        except Exception:
            logger.exception("vxlan_tool not started in SF1")

        # SSH TO START THE VXLAN_TOOL ON SF2
        try:
            ssh.connect(ips[1], username="root",
                        password="opnfv", timeout=2)
            command = ("nohup python vxlan_tool.py -i eth0 "
                       "-d forward -v off -b 22 > /dev/null 2>&1 &")
            (stdin, stdout, stderr) = ssh.exec_command(command)
        except:
            logger.debug("Waiting for %s..." % ips[1])
            time.sleep(6)
            # timeout -= 1

        try:
            n = 0
            while 1:
                (stdin, stdout, stderr) = ssh.exec_command(
                    "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
                if len(stdout.readlines()) > 0:
                    logger.debug("SSH firewall started")
                    break
                else:
                    n += 1
                    if (n > 7):
                        break
                    logger.debug("SSH firewall not started")
                    time.sleep(3)
        except Exception:
            logger.exception("vxlan_tool not started in SF2")

        # SSH to modify the classification flows in compute

        contr_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " "
                      "root@10.20.0.2 'ssh " + ip_compute + " "
                      "'bash correct_classifier.bash''")
        logger.info("Executing script to modify the classi: '%s'" % contr_cmd3)
        process = subprocess.Popen(contr_cmd3,
                                   shell=True,
                                   stdout=subprocess.PIPE)

        i = 0

        # SSH TO EXECUTE cmd_client
        logger.info("TEST STARTED")
        try:
            ssh.connect(floatip_client, username="root",
                        password="opnfv", timeout=2)
            command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
            (stdin, stdout, stderr) = ssh.exec_command(command)

            # WRITE THE CORRECT WAY TO DO LOGGING
            if "timed out" in stdout.readlines()[0]:
                logger.info('\033[92m' + "TEST 1 [PASSED] "
                            "==> SSH BLOCKED" + '\033[0m')
                i = i + 1
                json_results.update({"Test 1: SSH Blocked": "Passed"})
            else:
                logger.error('\033[91m' + "TEST 1 [FAILED] "
                             "==> SSH NOT BLOCKED" + '\033[0m')
                status = "FAIL"
                json_results.update({"Test 1: SSH Blocked": "Failed"})
                failures += 1
        except:
            logger.debug("Waiting for %s..." % floatip_client)
            time.sleep(6)
            # timeout -= 1

        # SSH TO EXECUTE cmd_client
        try:
            ssh.connect(floatip_client, username="root",
                        password="opnfv", timeout=2)
            command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
            (stdin, stdout, stderr) = ssh.exec_command(command)

            if "succeeded" in stdout.readlines()[0]:
                logger.info('\033[92m' + "TEST 2 [PASSED] "
                            "==> HTTP WORKS" + '\033[0m')
                i = i + 1
                json_results.update({"Test 2: HTTP works": "Passed"})
            else:
                logger.error('\033[91m' + "TEST 2 [FAILED] "
                             "==> HTTP BLOCKED" + '\033[0m')
                status = "FAIL"
                json_results.update({"Test 2: HTTP works": "Failed"})
                failures += 1
        except:
            logger.debug("Waiting for %s..." % floatip_client)
            time.sleep(6)
            # timeout -= 1

        # CHANGE OF CLASSIFICATION #
        logger.info("Changing the classification")
        tacker_classi = "%s/testcases/features/sfc/%s" % \
                        (FUNCTEST_REPO, TACKER_CHANGECLASSI)
        subprocess.call(tacker_classi, shell=True)

        logger.info("Wait for ODL to update the classification rules in OVS")
        time.sleep(10)

        # SSH to modify the classification flows in compute

        contr_cmd4 = ("sshpass -p r00tme ssh " + ssh_options + " "
                      "root@10.20.0.2 'ssh " + ip_compute + " "
                      "'bash correct_classifier.bash''")
        logger.info("Executing script to modify the classi: '%s'" % contr_cmd4)
        process = subprocess.Popen(contr_cmd4,
                                   shell=True,
                                   stdout=subprocess.PIPE)

        # SSH TO EXECUTE cmd_client

        try:
            ssh.connect(floatip_client, username="root",
                        password="opnfv", timeout=2)
            command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
            (stdin, stdout, stderr) = ssh.exec_command(command)

            if "timed out" in stdout.readlines()[0]:
                logger.info('\033[92m' + "TEST 3 [PASSED] "
                            "==> HTTP BLOCKED" + '\033[0m')
                i = i + 1
                json_results.update({"Test 3: HTTP Blocked": "Passed"})
            else:
                logger.error('\033[91m' + "TEST 3 [FAILED] "
                             "==> HTTP NOT BLOCKED" + '\033[0m')
                status = "FAIL"
                json_results.update({"Test 3: HTTP Blocked": "Failed"})
                failures += 1
        except:
            logger.debug("Waiting for %s..." % floatip_client)
            time.sleep(6)
            # timeout -= 1

        # SSH TO EXECUTE cmd_client
        try:
            ssh.connect(floatip_client, username="root",
                        password="opnfv", timeout=2)
            command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
            (stdin, stdout, stderr) = ssh.exec_command(command)

            if "succeeded" in stdout.readlines()[0]:
                logger.info('\033[92m' + "TEST 4 [PASSED] "
                            "==> SSH WORKS" + '\033[0m')
                i = i + 1
                json_results.update({"Test 4: SSH works": "Passed"})
            else:
                logger.error('\033[91m' + "TEST 4 [FAILED] "
                             "==> SSH BLOCKED" + '\033[0m')
                status = "FAIL"
                json_results.update({"Test 4: SSH works": "Failed"})
                failures += 1
        except:
            logger.debug("Waiting for %s..." % floatip_client)
            time.sleep(6)
            # timeout -= 1

        iterator += 1
        if i == 4:
            for x in range(0, 5):
                logger.info('\033[92m' + "SFC TEST WORKED"
                            " :) \n" + '\033[0m')
            break
        else:
            logger.debug("Iterating again!")
            delete = ("bash delete.sh")
            subprocess.call(delete, shell=True, stderr=subprocess.PIPE)
            time.sleep(10)

    if args.report:
        stop_time = time.time()
        json_results.update({"tests": "4", "failures": int(failures)})
        logger.debug("Promise Results json: " + str(json_results))
        ft_utils.push_results_to_db("sfc",
                                    "functest-odl-sfc",
                                    start_time,
                                    stop_time,
                                    status,
                                    json_results)
    if status == "PASS":
        sys.exit(0)
    else:
        sys.exit(1)

if __name__ == '__main__':
    main()