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path: root/functest/opnfv_tests/vnf/router/cloudify_vrouter.py
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#!/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

"""vrouter testcase implementation."""

import logging
import os
import time

from cloudify_rest_client import CloudifyClient
from cloudify_rest_client.executions import Execution
from scp import SCPClient
import yaml

from functest.opnfv_tests.openstack.snaps import snaps_utils
import functest.opnfv_tests.vnf.router.vrouter_base as vrouter_base
from functest.opnfv_tests.vnf.router.utilvnf import Utilvnf
from functest.utils.constants import CONST

from git import Repo

from snaps.config.flavor import FlavorConfig
from snaps.config.image import ImageConfig
from snaps.config.keypair import KeypairConfig
from snaps.config.network import NetworkConfig, PortConfig, SubnetConfig
from snaps.config.router import RouterConfig
from snaps.config.security_group import (
    Direction, Protocol, SecurityGroupConfig, SecurityGroupRuleConfig)
from snaps.config.vm_inst import FloatingIpConfig, VmInstanceConfig

from snaps.openstack.create_flavor import OpenStackFlavor
from snaps.openstack.create_image import OpenStackImage
from snaps.openstack.create_instance import OpenStackVmInstance
from snaps.openstack.create_keypairs import OpenStackKeypair
from snaps.openstack.create_network import OpenStackNetwork
from snaps.openstack.create_security_group import OpenStackSecurityGroup
from snaps.openstack.create_router import OpenStackRouter

import snaps.openstack.utils.glance_utils as glance_utils
from snaps.openstack.utils import keystone_utils


__author__ = "Shuya Nakama <shuya.nakama@okinawaopenlabs.org>"


class CloudifyVrouter(vrouter_base.VrouterOnBoardingBase):
    # pylint: disable=too-many-instance-attributes
    """vrouter testcase deployed with Cloudify Orchestrator."""

    __logger = logging.getLogger(__name__)
    name = __name__

    def __init__(self, **kwargs):
        if "case_name" not in kwargs:
            kwargs["case_name"] = "vyos_vrouter"
        super(CloudifyVrouter, self).__init__(**kwargs)

        # Retrieve the configuration
        try:
            self.config = CONST.__getattribute__(
                'vnf_{}_config'.format(self.case_name))
        except Exception:
            raise Exception("VNF config file not found")

        self.snaps_creds = ''
        self.created_object = []

        self.cfy_manager_ip = ''
        self.util_info = {}
        self.deployment_name = ''

        config_file = os.path.join(self.case_dir, self.config)
        self.orchestrator = dict(
            requirements=get_config("orchestrator.requirements", config_file),
        )
        self.details['orchestrator'] = dict(
            name=get_config("orchestrator.name", config_file),
            version=get_config("orchestrator.version", config_file),
            status='ERROR',
            result=''
        )
        self.__logger.debug("Orchestrator configuration %s", self.orchestrator)
        self.__logger.debug("name = %s", self.name)
        self.vnf = dict(
            descriptor=get_config("vnf.descriptor", config_file),
            inputs=get_config("vnf.inputs", config_file),
            requirements=get_config("vnf.requirements", config_file)
        )
        self.details['vnf'] = dict(
            descriptor_version=self.vnf['descriptor']['version'],
            name=get_config("vnf.name", config_file),
            version=get_config("vnf.version", config_file),
        )
        self.__logger.debug("VNF configuration: %s", self.vnf)

        self.util = Utilvnf()

        self.details['test_vnf'] = dict(
            name=get_config("vnf_test_suite.name", config_file),
            version=get_config("vnf_test_suite.version", config_file)
        )
        self.images = get_config("tenant_images", config_file)
        self.__logger.info("Images needed for vrouter: %s", self.images)

    def prepare(self):
        super(CloudifyVrouter, self).prepare()

        self.__logger.info("Additional pre-configuration steps")

        self.util.set_credentials(self.snaps_creds)

        # needs some images
        self.__logger.info("Upload some OS images if it doesn't exist")
        for image_name, image_file in self.images.iteritems():
            self.__logger.info("image: %s, file: %s", image_name, image_file)
            if image_file and image_name:
                image_creator = OpenStackImage(
                    self.snaps_creds,
                    ImageConfig(name=image_name,
                                image_user='cloud',
                                img_format='qcow2',
                                image_file=image_file))
                image_creator.create()
                self.created_object.append(image_creator)

    def deploy_orchestrator(self):
        # pylint: disable=too-many-locals,too-many-statements
        """
        Deploy Cloudify Manager.
        network, security group, fip, VM creation
        """
        # network creation

        start_time = time.time()
        self.__logger.info("Creating keypair ...")
        kp_file = os.path.join(self.data_dir, "cloudify_vrouter.pem")
        keypair_settings = KeypairConfig(name='cloudify_vrouter_kp',
                                         private_filepath=kp_file)
        keypair_creator = OpenStackKeypair(self.snaps_creds, keypair_settings)
        keypair_creator.create()
        self.created_object.append(keypair_creator)

        self.__logger.info("Creating full network ...")
        subnet_settings = SubnetConfig(name='cloudify_vrouter_subnet',
                                       cidr='10.67.79.0/24')
        network_settings = NetworkConfig(name='cloudify_vrouter_network',
                                         subnet_settings=[subnet_settings])
        network_creator = OpenStackNetwork(self.snaps_creds, network_settings)
        network_creator.create()
        self.created_object.append(network_creator)
        ext_net_name = snaps_utils.get_ext_net_name(self.snaps_creds)
        router_creator = OpenStackRouter(
            self.snaps_creds,
            RouterConfig(
                name='cloudify_vrouter_router',
                external_gateway=ext_net_name,
                internal_subnets=[subnet_settings.name]))
        router_creator.create()
        self.created_object.append(router_creator)

        # security group creation
        self.__logger.info("Creating security group for cloudify manager vm")
        sg_rules = list()
        sg_rules.append(
            SecurityGroupRuleConfig(sec_grp_name="sg-cloudify-manager",
                                    direction=Direction.ingress,
                                    protocol=Protocol.tcp, port_range_min=1,
                                    port_range_max=65535))
        sg_rules.append(
            SecurityGroupRuleConfig(sec_grp_name="sg-cloudify-manager",
                                    direction=Direction.ingress,
                                    protocol=Protocol.udp, port_range_min=1,
                                    port_range_max=65535))

        security_group_creator = OpenStackSecurityGroup(
            self.snaps_creds,
            SecurityGroupConfig(
                name="sg-cloudify-manager",
                rule_settings=sg_rules))

        security_group_creator.create()
        self.created_object.append(security_group_creator)

        # orchestrator VM flavor
        self.__logger.info("Get or create flavor for cloudify manager vm ...")

        flavor_settings = FlavorConfig(
            name=self.orchestrator['requirements']['flavor']['name'],
            ram=self.orchestrator['requirements']['flavor']['ram_min'],
            disk=50,
            vcpus=2)
        flavor_creator = OpenStackFlavor(self.snaps_creds, flavor_settings)
        flavor_creator.create()
        self.created_object.append(flavor_creator)
        image_settings = ImageConfig(
            name=self.orchestrator['requirements']['os_image'],
            image_user='centos',
            exists=True)

        port_settings = PortConfig(name='cloudify_manager_port',
                                   network_name=network_settings.name)

        manager_settings = VmInstanceConfig(
            name='cloudify_manager',
            flavor=flavor_settings.name,
            port_settings=[port_settings],
            security_group_names=[
                security_group_creator.sec_grp_settings.name],
            floating_ip_settings=[FloatingIpConfig(
                name='cloudify_manager_fip',
                port_name=port_settings.name,
                router_name=router_creator.router_settings.name)])

        manager_creator = OpenStackVmInstance(self.snaps_creds,
                                              manager_settings,
                                              image_settings,
                                              keypair_settings)

        self.__logger.info("Creating cloudify manager VM")
        manager_creator.create()
        self.created_object.append(manager_creator)

        public_auth_url = keystone_utils.get_endpoint(
            self.snaps_creds, 'identity')

        self.__logger.info("Set creds for cloudify manager")
        cfy_creds = dict(keystone_username=self.tenant_name,
                         keystone_password=self.tenant_name,
                         keystone_tenant_name=self.tenant_name,
                         keystone_url=public_auth_url)

        cfy_client = CloudifyClient(host=manager_creator.get_floating_ip().ip,
                                    username='admin',
                                    password='admin',
                                    tenant='default_tenant')

        self.orchestrator['object'] = cfy_client

        self.cfy_manager_ip = manager_creator.get_floating_ip().ip

        self.__logger.info("Attemps running status of the Manager")
        cfy_status = None
        retry = 10
        while str(cfy_status) != 'running' and retry:
            try:
                cfy_status = cfy_client.manager.get_status()['status']
                self.__logger.debug("The current manager status is %s",
                                    cfy_status)
            except Exception:  # pylint: disable=broad-except
                self.__logger.warning("Cloudify Manager isn't " +
                                      "up and running. Retrying ...")
            retry = retry - 1
            time.sleep(30)

        if str(cfy_status) == 'running':
            self.__logger.info("Cloudify Manager is up and running")
        else:
            raise Exception("Cloudify Manager isn't up and running")

        self.__logger.info("Put OpenStack creds in manager")
        secrets_list = cfy_client.secrets.list()
        for k, val in cfy_creds.iteritems():
            if not any(d.get('key', None) == k for d in secrets_list):
                cfy_client.secrets.create(k, val)
            else:
                cfy_client.secrets.update(k, val)

        duration = time.time() - start_time

        self.__logger.info("Put private keypair in manager")
        if manager_creator.vm_ssh_active(block=True):
            ssh = manager_creator.ssh_client()
            scp = SCPClient(ssh.get_transport(), socket_timeout=15.0)
            scp.put(kp_file, '~/')
            cmd = "sudo cp ~/cloudify_vrouter.pem /etc/cloudify/"
            run_blocking_ssh_command(ssh, cmd)
            cmd = "sudo chmod 444 /etc/cloudify/cloudify_vrouter.pem"
            run_blocking_ssh_command(ssh, cmd)
            cmd = "sudo yum install -y gcc python-devel"
            run_blocking_ssh_command(
                ssh, cmd, "Unable to install packages on manager")

        self.details['orchestrator'].update(status='PASS', duration=duration)

        self.vnf['inputs'].update(dict(external_network_name=ext_net_name))

        return True

    def deploy_vnf(self):
        start_time = time.time()

        self.__logger.info("Upload VNFD")
        cfy_client = self.orchestrator['object']
        descriptor = self.vnf['descriptor']
        self.deployment_name = descriptor.get('name')

        vrouter_blueprint_dir = os.path.join(self.data_dir,
                                             self.util.blueprint_dir)
        if not os.path.exists(vrouter_blueprint_dir):
            Repo.clone_from(descriptor.get('url'),
                            vrouter_blueprint_dir,
                            branch=descriptor.get('version'))

        cfy_client.blueprints.upload(vrouter_blueprint_dir +
                                     self.util.blueprint_file_name,
                                     descriptor.get('name'))

        self.__logger.info("Get or create flavor for vrouter")
        flavor_settings = FlavorConfig(
            name=self.vnf['requirements']['flavor']['name'],
            ram=self.vnf['requirements']['flavor']['ram_min'],
            disk=25,
            vcpus=1)
        flavor_creator = OpenStackFlavor(self.snaps_creds, flavor_settings)
        flavor = flavor_creator.create()
        self.created_object.append(flavor_creator)

        # set image name
        glance = glance_utils.glance_client(self.snaps_creds)
        image = glance_utils.get_image(glance,
                                       "vyos1.1.7")
        self.vnf['inputs'].update(dict(target_vnf_image_id=image.id))
        self.vnf['inputs'].update(dict(reference_vnf_image_id=image.id))

        # set flavor id
        self.vnf['inputs'].update(dict(target_vnf_flavor_id=flavor.id))
        self.vnf['inputs'].update(dict(reference_vnf_flavor_id=flavor.id))

        self.vnf['inputs'].update(dict(keystone_username=self.tenant_name))
        self.vnf['inputs'].update(dict(keystone_password=self.tenant_name))
        self.vnf['inputs'].update(dict(keystone_tenant_name=self.tenant_name))
        self.vnf['inputs'].update(
            dict(keystone_url=keystone_utils.get_endpoint(
                self.snaps_creds, 'identity')))

        self.__logger.info("Create VNF Instance")
        cfy_client.deployments.create(descriptor.get('name'),
                                      descriptor.get('name'),
                                      self.vnf.get('inputs'))

        wait_for_execution(cfy_client,
                           get_execution_id(
                               cfy_client, descriptor.get('name')),
                           self.__logger,
                           timeout=7200)

        self.__logger.info("Start the VNF Instance deployment")
        execution = cfy_client.executions.start(descriptor.get('name'),
                                                'install')
        # Show execution log
        execution = wait_for_execution(cfy_client, execution, self.__logger)

        duration = time.time() - start_time

        self.__logger.info(execution)
        if execution.status == 'terminated':
            self.details['vnf'].update(status='PASS', duration=duration)
            result = True
        else:
            self.details['vnf'].update(status='FAIL', duration=duration)
            result = False
        return result

    def test_vnf(self):
        cfy_client = self.orchestrator['object']
        credentials = {"snaps_creds": self.snaps_creds,
                       "username": self.snaps_creds.username,
                       "password": self.snaps_creds.password,
                       "auth_url": self.snaps_creds.auth_url,
                       "tenant_name": self.snaps_creds.project_name}

        self.util_info = {"credentials": credentials,
                          "cfy": cfy_client,
                          "vnf_data_dir": self.util.vnf_data_dir}

        start_time = time.time()

        result, test_result_data = super(CloudifyVrouter, self).test_vnf()

        duration = time.time() - start_time

        if result:
            self.details['test_vnf'].update(status='PASS',
                                            result='OK',
                                            full_result=test_result_data,
                                            duration=duration)
        else:
            self.details['test_vnf'].update(status='FAIL',
                                            result='NG',
                                            full_result=test_result_data,
                                            duration=duration)

        return True

    def clean(self):
        try:
            cfy_client = self.orchestrator['object']
            dep_name = self.vnf['descriptor'].get('name')
            # kill existing execution
            self.__logger.info('Deleting the current deployment')
            exec_list = cfy_client.executions.list(dep_name)
            for execution in exec_list:
                if execution['status'] == "started":
                    try:
                        cfy_client.executions.cancel(execution['id'],
                                                     force=True)
                    except Exception:  # pylint: disable=broad-except
                        self.__logger.warn("Can't cancel the current exec")

            execution = cfy_client.executions.start(
                dep_name,
                'uninstall',
                parameters=dict(ignore_failure=True))

            wait_for_execution(cfy_client, execution, self.__logger)
            cfy_client.deployments.delete(self.vnf['descriptor'].get('name'))
            cfy_client.blueprints.delete(self.vnf['descriptor'].get('name'))
        except Exception:  # pylint: disable=broad-except
            self.__logger.warn("Some issue during the undeployment ..")
            self.__logger.warn("Tenant clean continue ..")
        super(CloudifyVrouter, self).clean()

    def get_vnf_info_list(self, target_vnf_name):
        return self.util.get_vnf_info_list(
            self.cfy_manager_ip, self.deployment_name, target_vnf_name)


# ----------------------------------------------------------
#
#               YAML UTILS
#
# -----------------------------------------------------------
def get_config(parameter, file_path):
    """
    Get config parameter.
    Returns the value of a given parameter in file.yaml
    parameter must be given in string format with dots
    Example: general.openstack.image_name
    """
    with open(file_path) as config_file:
        file_yaml = yaml.safe_load(config_file)
    config_file.close()
    value = file_yaml
    for element in parameter.split("."):
        value = value.get(element)
        if value is None:
            raise ValueError("The parameter %s is not defined in"
                             " reporting.yaml" % parameter)
    return value


def wait_for_execution(client, execution, logger, timeout=7200, ):
    """Wait for a workflow execution on Cloudify Manager."""
    # if execution already ended - return without waiting
    if execution.status in Execution.END_STATES:
        return execution

    if timeout is not None:
        deadline = time.time() + timeout

    # Poll for execution status and execution logs, until execution ends
    # and we receive an event of type in WORKFLOW_END_TYPES
    offset = 0
    batch_size = 50
    event_list = []
    execution_ended = False
    while True:
        event_list = client.events.list(
            execution_id=execution.id,
            _offset=offset,
            _size=batch_size,
            include_logs=False,
            sort='@timestamp').items

        offset = offset + len(event_list)
        for event in event_list:
            logger.debug(event.get('message'))

        if timeout is not None:
            if time.time() > deadline:
                raise RuntimeError(
                    'execution of operation {0} for deployment {1} '
                    'timed out'.format(execution.workflow_id,
                                       execution.deployment_id))
            else:
                # update the remaining timeout
                timeout = deadline - time.time()

        if not execution_ended:
            execution = client.executions.get(execution.id)
            execution_ended = execution.status in Execution.END_STATES

        if execution_ended:
            break

        time.sleep(5)

    return execution


def get_execution_id(client, deployment_id):
    """
    Get the execution id of a env preparation.
    network, security group, fip, VM creation
    """
    executions = client.executions.list(deployment_id=deployment_id)
    for execution in executions:
        if execution.workflow_id == 'create_deployment_environment':
            return execution
    raise RuntimeError('Failed to get create_deployment_environment '
                       'workflow execution.'
                       'Available executions: {0}'.format(executions))


def run_blocking_ssh_command(ssh, cmd, error_msg="Unable to run this command"):
    """Command to run ssh command with the exit status."""
    (_, stdout, _) = ssh.exec_command(cmd)
    if stdout.channel.recv_exit_status() != 0:
        raise Exception(error_msg)