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#!/usr/bin/env python
# Copyright (c) 2017 Cable Television Laboratories, Inc. and others.
#
# 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
"""Define the parent class of vping_ssh and vping_userdata testcases."""
from datetime import datetime
import logging
import time
import uuid
from snaps.config.flavor import FlavorConfig
from snaps.config.network import NetworkConfig, SubnetConfig
from snaps.config.router import RouterConfig
from snaps.openstack.create_flavor import OpenStackFlavor
from snaps.openstack.tests import openstack_tests
from snaps.openstack.utils import deploy_utils
from xtesting.core import testcase
from functest.opnfv_tests.openstack.snaps import snaps_utils
from functest.utils import config
from functest.utils import env
class VPingBase(testcase.TestCase):
"""
Base class for vPing tests that check connectivity between two VMs shared
internal network.
This class is responsible for creating the image, internal network.
"""
# pylint: disable=too-many-instance-attributes
def __init__(self, **kwargs):
super(VPingBase, self).__init__(**kwargs)
self.logger = logging.getLogger(__name__)
self.os_creds = kwargs.get('os_creds') or snaps_utils.get_credentials()
self.creators = list()
self.image_creator = None
self.network_creator = None
self.vm1_creator = None
self.vm2_creator = None
self.router_creator = None
# Shared metadata
self.guid = '-' + str(uuid.uuid4())
self.router_name = getattr(
config.CONF, 'vping_router_name') + self.guid
self.vm1_name = getattr(
config.CONF, 'vping_vm_name_1') + self.guid
self.vm2_name = getattr(config.CONF, 'vping_vm_name_2') + self.guid
self.vm_boot_timeout = getattr(config.CONF, 'vping_vm_boot_timeout')
self.vm_delete_timeout = getattr(
config.CONF, 'vping_vm_delete_timeout')
self.vm_ssh_connect_timeout = getattr(
config.CONF, 'vping_vm_ssh_connect_timeout')
self.ping_timeout = getattr(config.CONF, 'vping_ping_timeout')
self.flavor_name = 'vping-flavor' + self.guid
# Move this configuration option up for all tests to leverage
if hasattr(config.CONF, 'snaps_images_cirros'):
self.cirros_image_config = getattr(
config.CONF, 'snaps_images_cirros')
else:
self.cirros_image_config = None
def run(self, **kwargs): # pylint: disable=too-many-locals
"""
Begins the test execution which should originate from the subclass
"""
self.logger.info('Begin virtual environment setup')
self.start_time = time.time()
self.logger.info(
"vPing Start Time:'%s'",
datetime.fromtimestamp(self.start_time).strftime(
'%Y-%m-%d %H:%M:%S'))
image_base_name = '{}-{}'.format(
getattr(config.CONF, 'vping_image_name'),
str(self.guid))
os_image_settings = openstack_tests.cirros_image_settings(
image_base_name, image_metadata=self.cirros_image_config)
self.logger.info("Creating image with name: '%s'", image_base_name)
self.image_creator = deploy_utils.create_image(
self.os_creds, os_image_settings)
self.creators.append(self.image_creator)
private_net_name = getattr(
config.CONF, 'vping_private_net_name') + self.guid
private_subnet_name = getattr(
config.CONF, 'vping_private_subnet_name') + self.guid
private_subnet_cidr = getattr(config.CONF, 'vping_private_subnet_cidr')
vping_network_type = None
vping_physical_network = None
vping_segmentation_id = None
if hasattr(config.CONF, 'vping_network_type'):
vping_network_type = getattr(config.CONF, 'vping_network_type')
if hasattr(config.CONF, 'vping_physical_network'):
vping_physical_network = getattr(
config.CONF, 'vping_physical_network')
if hasattr(config.CONF, 'vping_segmentation_id'):
vping_segmentation_id = getattr(
config.CONF, 'vping_segmentation_id')
self.logger.info(
"Creating network with name: '%s'", private_net_name)
self.network_creator = deploy_utils.create_network(
self.os_creds,
NetworkConfig(
name=private_net_name,
network_type=vping_network_type,
physical_network=vping_physical_network,
segmentation_id=vping_segmentation_id,
subnet_settings=[SubnetConfig(
name=private_subnet_name,
cidr=private_subnet_cidr,
dns_nameservers=[env.get('NAMESERVER')])]))
self.creators.append(self.network_creator)
# Creating router to external network
log = "Creating router with name: '%s'" % self.router_name
self.logger.info(log)
ext_net_name = snaps_utils.get_ext_net_name(self.os_creds)
self.router_creator = deploy_utils.create_router(
self.os_creds,
RouterConfig(
name=self.router_name,
external_gateway=ext_net_name,
internal_subnets=[private_subnet_name]))
self.creators.append(self.router_creator)
self.logger.info(
"Creating flavor with name: '%s'", self.flavor_name)
flavor_ram = getattr(config.CONF, 'openstack_flavor_ram')
flavor_metadata = getattr(config.CONF, 'flavor_extra_specs', None)
flavor_creator = OpenStackFlavor(
self.os_creds,
FlavorConfig(name=self.flavor_name, ram=flavor_ram, disk=1,
vcpus=1, metadata=flavor_metadata))
flavor_creator.create()
self.creators.append(flavor_creator)
def _execute(self):
"""
Method called by subclasses after environment has been setup
:return: the exit code
"""
self.logger.info('Begin test execution')
test_ip = self.vm1_creator.get_port_ip(
self.vm1_creator.instance_settings.port_settings[0].name)
if self.vm1_creator.vm_active(
block=True) and self.vm2_creator.vm_active(block=True):
result = self._do_vping(self.vm2_creator, test_ip)
else:
raise Exception('VMs never became active')
self.stop_time = time.time()
if result != testcase.TestCase.EX_OK:
self.result = 0
return testcase.TestCase.EX_RUN_ERROR
self.result = 100
return testcase.TestCase.EX_OK
def clean(self):
"""
Cleanup all OpenStack objects. Should be called on completion
:return:
"""
if getattr(config.CONF, 'vping_cleanup_objects') == 'True':
for creator in reversed(self.creators):
try:
creator.clean()
except Exception as error: # pylint: disable=broad-except
self.logger.error('Unexpected error cleaning - %s', error)
def _do_vping(self, vm_creator, test_ip):
"""
Method to be implemented by subclasses
Begins the real test after the OpenStack environment has been setup
:param vm_creator: the SNAPS VM instance creator object
:param test_ip: the IP to which the VM needs to issue the ping
:return: T/F
"""
raise NotImplementedError('vping execution is not implemented')
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