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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
import os_client_config
from xtesting.core import testcase
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.cloud = os_client_config.make_shade()
self.ext_net = self.cloud.get_network("ext-net")
self.logger.debug("ext_net: %s", self.ext_net)
self.guid = '-' + str(uuid.uuid4())
self.network = None
self.subnet = None
self.router = None
self.image = None
self.flavor = None
self.vm1 = None
def run(self, **kwargs): # pylint: disable=too-many-locals
"""
Begins the test execution which should originate from the subclass
"""
assert self.cloud
assert self.ext_net
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'), self.guid)
self.logger.info("Creating image with name: '%s'", image_base_name)
self.image = self.cloud.create_image(
image_base_name,
filename=getattr(config.CONF, 'openstack_image_url'))
self.logger.debug("image: %s", self.image)
private_net_name = getattr(
config.CONF, 'vping_private_net_name') + self.guid
private_subnet_name = str(getattr(
config.CONF, 'vping_private_subnet_name') + self.guid)
private_subnet_cidr = getattr(config.CONF, 'vping_private_subnet_cidr')
provider = {}
if hasattr(config.CONF, 'vping_network_type'):
provider["network_type"] = getattr(
config.CONF, 'vping_network_type')
if hasattr(config.CONF, 'vping_physical_network'):
provider["physical_network"] = getattr(
config.CONF, 'vping_physical_network')
if hasattr(config.CONF, 'vping_segmentation_id'):
provider["segmentation_id"] = getattr(
config.CONF, 'vping_segmentation_id')
self.logger.info(
"Creating network with name: '%s'", private_net_name)
self.network = self.cloud.create_network(
private_net_name,
provider=provider)
self.logger.debug("network: %s", self.network)
self.subnet = self.cloud.create_subnet(
self.network.id,
subnet_name=private_subnet_name,
cidr=private_subnet_cidr,
enable_dhcp=True,
dns_nameservers=[env.get('NAMESERVER')])
self.logger.debug("subnet: %s", self.subnet)
router_name = getattr(config.CONF, 'vping_router_name') + self.guid
self.logger.info("Creating router with name: '%s'", router_name)
self.router = self.cloud.create_router(
name=router_name,
ext_gateway_net_id=self.ext_net.id)
self.logger.debug("router: %s", self.router)
self.cloud.add_router_interface(self.router, subnet_id=self.subnet.id)
flavor_name = 'vping-flavor' + self.guid
self.logger.info(
"Creating flavor with name: '%s'", flavor_name)
self.flavor = self.cloud.create_flavor(
flavor_name, getattr(config.CONF, 'openstack_flavor_ram'),
getattr(config.CONF, 'openstack_flavor_vcpus'),
getattr(config.CONF, 'openstack_flavor_disk'))
self.logger.debug("flavor: %s", self.flavor)
self.cloud.set_flavor_specs(
self.flavor.id, getattr(config.CONF, 'flavor_extra_specs', {}))
vm1_name = getattr(config.CONF, 'vping_vm_name_1') + self.guid
self.logger.info(
"Creating VM 1 instance with name: '%s'", vm1_name)
self.vm1 = self.cloud.create_server(
vm1_name, image=self.image.id,
flavor=self.flavor.id,
auto_ip=False, wait=True,
timeout=getattr(config.CONF, 'vping_vm_boot_timeout'),
network=self.network.id)
self.logger.debug("vm1: %s", self.vm1)
self.vm1 = self.cloud.wait_for_server(self.vm1, auto_ip=False)
def _execute(self):
"""
Method called by subclasses after environment has been setup
:return: the exit code
"""
self.logger.info('Begin test execution')
result = self._do_vping()
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:
"""
assert self.cloud
self.cloud.delete_server(self.vm1, wait=True)
self.cloud.delete_image(self.image)
self.cloud.remove_router_interface(self.router, self.subnet.id)
self.cloud.delete_router(self.router.id)
self.cloud.delete_network(self.network.id)
self.cloud.delete_flavor(self.flavor.id)
def _do_vping(self):
"""
Method to be implemented by subclasses
Begins the real test after the OpenStack environment has been setup
:return: T/F
"""
raise NotImplementedError('vping execution is not implemented')
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