path: root/functest/opnfv_tests/vnf/router/utilvnf.py

#!/usr/bin/env python

# Copyright (c) 2017 Okinawa Open Laboratory and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0

# pylint: disable=missing-docstring

""" Utility module of vrouter testcase """

import json
import logging
import os
import pkg_resources
import requests
import yaml

from functest.utils.constants import CONST
from git import Repo
from requests.auth import HTTPBasicAuth
from snaps.openstack.utils import nova_utils


RESULT_SPRIT_INDEX = {
    "transfer": 8,
    "bandwidth": 6,
    "jitter": 4,
    "los_total": 2,
    "pkt_loss": 1
}

BIT_PER_BYTE = 8

NOVA_CLIENT_API_VERSION = '2'
NOVA_CILENT_NETWORK_INFO_INDEX = 0
CFY_INFO_OUTPUT_FILE = "output.txt"

CIDR_NETWORK_SEGMENT_INFO_INDEX = 0
PACKET_LOST_INFO_INDEX = 0
PACKET_TOTAL_INFO_INDEX = 1

NUMBER_OF_DIGITS_FOR_AVG_TRANSFER = 0
NUMBER_OF_DIGITS_FOR_AVG_BANDWIDTH = 0
NUMBER_OF_DIGITS_FOR_AVG_JITTER = 3
NUMBER_OF_DIGITS_FOR_AVG_PKT_LOSS = 1


class Utilvnf(object):  # pylint: disable=too-many-instance-attributes
    """ Utility class of vrouter testcase """

    logger = logging.getLogger(__name__)

    def __init__(self):
        self.snaps_creds = ""
        self.vnf_data_dir = getattr(CONST, 'dir_router_data')
        self.opnfv_vnf_data_dir = "opnfv-vnf-data/"
        self.command_template_dir = "command_template/"
        self.test_scenario_yaml = "test_scenario.yaml"
        test_env_config_yaml_file = "test_env_config.yaml"
        self.test_cmd_map_yaml_file = "test_cmd_map.yaml"
        self.test_env_config_yaml = os.path.join(
            self.vnf_data_dir,
            self.opnfv_vnf_data_dir,
            test_env_config_yaml_file)

        self.blueprint_dir = "opnfv-vnf-vyos-blueprint/"
        self.blueprint_file_name = "function-test-openstack-blueprint.yaml"

        if not os.path.exists(self.vnf_data_dir):
            os.makedirs(self.vnf_data_dir)

        case_dir = pkg_resources.resource_filename(
            'functest', 'opnfv_tests/vnf/router')

        config_file_name = getattr(
            CONST, 'vnf_{}_config'.format("vyos_vrouter"))

        config_file = os.path.join(case_dir, config_file_name)

        with open(config_file) as file_fd:
            vrouter_config_yaml = yaml.safe_load(file_fd)
        file_fd.close()

        test_data = vrouter_config_yaml.get("test_data")

        self.logger.debug("Downloading the test data.")
        vrouter_data_path = self.vnf_data_dir + self.opnfv_vnf_data_dir

        if not os.path.exists(vrouter_data_path):
            Repo.clone_from(test_data['url'],
                            vrouter_data_path,
                            branch=test_data['branch'])

        with open(self.test_env_config_yaml) as file_fd:
            test_env_config_yaml = yaml.safe_load(file_fd)
        file_fd.close()

        self.image = test_env_config_yaml.get(
            "general").get("images").get("vyos")
        self.tester_image = test_env_config_yaml.get(
            "general").get("images").get("tester_vm_os")

        self.test_result_json_file = "test_result.json"
        if os.path.isfile(self.test_result_json_file):
            os.remove(self.test_result_json_file)
            self.logger.debug("removed %s", self.test_result_json_file)

    def get_nova_client(self):
        nova_client = nova_utils.nova_client(self.snaps_creds)

        return nova_client

    def set_credentials(self, snaps_creds):
        self.snaps_creds = snaps_creds

    def get_address(self, server_name, network_name):
        nova_client = self.get_nova_client()
        servers_list = nova_client.servers.list()
        server = None

        for server in servers_list:
            if server.name == server_name:
                break

        address = server.addresses[
            network_name][NOVA_CILENT_NETWORK_INFO_INDEX]["addr"]

        return address

    def get_mac_address(self, server_name, network_name):
        nova_client = self.get_nova_client()
        servers_list = nova_client.servers.list()
        server = None

        for server in servers_list:
            if server.name == server_name:
                break

        mac_address = server.addresses[network_name][
            NOVA_CILENT_NETWORK_INFO_INDEX]["OS-EXT-IPS-MAC:mac_addr"]

        return mac_address

    def reboot_vm(self, server_name):
        nova_client = self.get_nova_client()
        servers_list = nova_client.servers.list()
        server = None

        for server in servers_list:
            if server.name == server_name:
                break

        server.reboot()

        return

    def delete_vm(self, server_name):
        nova_client = self.get_nova_client()
        servers_list = nova_client.servers.list()
        server = None

        for server in servers_list:
            if server.name == server_name:
                nova_client.servers.delete(server)
                break

        return

    def get_blueprint_outputs(self, cfy_manager_ip, deployment_name):
        url = "http://%s/deployments/%s/outputs" % (
            cfy_manager_ip, deployment_name)

        response = requests.get(
            url,
            auth=HTTPBasicAuth('admin', 'admin'),
            headers={'Tenant': 'default_tenant'})

        resp_data = response.json()
        self.logger.debug(resp_data)
        data = resp_data["outputs"]
        return data

    def get_blueprint_outputs_vnfs(self, cfy_manager_ip, deployment_name):
        outputs = self.get_blueprint_outputs(cfy_manager_ip,
                                             deployment_name)
        vnfs = outputs["vnfs"]
        vnf_list = []
        for vnf_name in vnfs:
            vnf_list.append(vnfs[vnf_name])
        return vnf_list

    def get_blueprint_outputs_networks(self, cfy_manager_ip, deployment_name):
        outputs = self.get_blueprint_outputs(cfy_manager_ip,
                                             deployment_name)
        networks = outputs["networks"]
        network_list = []
        for network_name in networks:
            network_list.append(networks[network_name])
        return network_list

    def request_vnf_reboot(self, vnf_info_list):
        for vnf in vnf_info_list:
            self.logger.debug("reboot the " + vnf["vnf_name"])
            self.reboot_vm(vnf["vnf_name"])

    def request_vm_delete(self, vnf_info_list):
        for vnf in vnf_info_list:
            self.logger.debug("delete the " + vnf["vnf_name"])
            self.delete_vm(vnf["vnf_name"])

    def get_vnf_info_list(self, cfy_manager_ip, topology_deploy_name,
                          target_vnf_name):
        network_list = self.get_blueprint_outputs_networks(
            cfy_manager_ip,
            topology_deploy_name)
        vnf_info_list = self.get_blueprint_outputs_vnfs(cfy_manager_ip,
                                                        topology_deploy_name)
        for vnf in vnf_info_list:
            vnf_name = vnf["vnf_name"]
            vnf["os_type"] = self.image["os_type"]
            vnf["user"] = self.image["user"]
            vnf["pass"] = self.image["pass"]

            vnf["target_vnf_flag"] = bool(vnf_name == target_vnf_name)

            self.logger.debug("vnf name : " + vnf_name)
            self.logger.debug(vnf_name + " floating ip address : " +
                              vnf["floating_ip"])

            for network in network_list:
                network_name = network["network_name"]
                ip_address = self.get_address(vnf["vnf_name"],
                                              network["network_name"])
                vnf[network_name + "_ip"] = ip_address
                mac = self.get_mac_address(vnf["vnf_name"],
                                           network["network_name"])
                vnf[network_name + "_mac"] = mac

                self.logger.debug(network_name + "_ip of " + vnf["vnf_name"] +
                                  " : " + vnf[network_name + "_ip"])
                self.logger.debug(network_name + "_mac of " + vnf["vnf_name"] +
                                  " : " + vnf[network_name + "_mac"])

        return vnf_info_list

    @staticmethod
    def get_target_vnf(vnf_info_list):
        for vnf in vnf_info_list:
            if vnf["target_vnf_flag"]:
                return vnf

        return None

    @staticmethod
    def get_reference_vnf_list(vnf_info_list):
        reference_vnf_list = []
        for vnf in vnf_info_list:
            if not vnf["target_vnf_flag"]:
                reference_vnf_list.append(vnf)

        return reference_vnf_list

    @staticmethod
    def get_vnf_info(vnf_info_list, vnf_name):
        for vnf in vnf_info_list:
            if vnf["vnf_name"] == vnf_name:
                return vnf

        return None

    @staticmethod
    def convert_functional_test_result(result_data_list):
        result = {}
        for result_data in result_data_list:
            test_kind = result_data["test_kind"]
            protocol = result_data["protocol"]
            test_result_data = result_data["result"]

            if test_kind not in result:
                result[test_kind] = []

            result[test_kind].append({protocol: test_result_data})

        return {"Functional_test": result}

    def write_result_data(self, result_data):
        test_result = []
        if not os.path.isfile(self.test_result_json_file):
            file_fd = open(self.test_result_json_file, "w")
            file_fd.close()
        else:
            file_fd = open(self.test_result_json_file, "r")
            test_result = json.load(file_fd)
            file_fd.close()

        test_result.append(result_data)

        file_fd = open(self.test_result_json_file, "w")
        json.dump(test_result, file_fd)
        file_fd.close()

    def output_test_result_json(self):
        if os.path.isfile(self.test_result_json_file):
            file_fd = open(self.test_result_json_file, "r")
            test_result = json.load(file_fd)
            file_fd.close()
            output_json_data = json.dumps(test_result,
                                          sort_keys=True,
                                          indent=4)
            self.logger.debug("test_result %s", output_json_data)
        else:
            self.logger.debug("Not found %s", self.test_result_json_file)

    @staticmethod
    def get_test_scenario(file_path):
        test_scenario_file = open(file_path,
                                  'r')
        test_scenario_yaml = yaml.safe_load(test_scenario_file)
        test_scenario_file.close()
        return test_scenario_yaml["test_scenario_list"]