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#!/usr/bin/env python
# Copyright (c) 2018 Kontron, Orange 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
"""HeatIms testcase implementation."""
from __future__ import division
import logging
import os
import re
import time
import yaml
import pkg_resources
from xtesting.core import testcase
from functest.core import singlevm
from functest.opnfv_tests.vnf.ims import clearwater
from functest.utils import config
from functest.utils import env
__author__ = "Valentin Boucher <valentin.boucher@kontron.com>"
class HeatIms(singlevm.VmReady2):
# pylint: disable=too-many-instance-attributes
"""Clearwater vIMS deployed with Heat Orchestrator Case."""
__logger = logging.getLogger(__name__)
filename_alt = ('/home/opnfv/functest/images/'
'ubuntu-14.04-server-cloudimg-amd64-disk1.img')
flavor_alt_ram = 2048
flavor_alt_vcpus = 2
flavor_alt_disk = 25
quota_security_group = 20
quota_security_group_rule = 100
quota_port = 50
def __init__(self, **kwargs):
"""Initialize HeatIms testcase object."""
if "case_name" not in kwargs:
kwargs["case_name"] = "heat_ims"
super(HeatIms, self).__init__(**kwargs)
# Retrieve the configuration
try:
self.config = getattr(
config.CONF, 'vnf_{}_config'.format(self.case_name))
except Exception:
raise Exception("VNF config file not found")
self.case_dir = pkg_resources.resource_filename(
'functest', 'opnfv_tests/vnf/ims')
config_file = os.path.join(self.case_dir, self.config)
self.vnf = dict(
descriptor=get_config("vnf.descriptor", config_file),
parameters=get_config("vnf.inputs", 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.image_alt = None
self.flavor_alt = None
self.keypair = None
self.stack = None
self.clearwater = None
self.role = None
def execute(self):
# pylint: disable=too-many-locals,too-many-statements
"""
Prepare Tenant/User
network, security group, fip, VM creation
"""
self.orig_cloud.set_network_quotas(
self.project.project.name,
security_group=self.quota_security_group,
security_group_rule=self.quota_security_group_rule,
port=self.quota_port)
if not self.orig_cloud.get_role("heat_stack_owner"):
self.role = self.orig_cloud.create_role("heat_stack_owner")
self.orig_cloud.grant_role(
"heat_stack_owner", user=self.project.user.id,
project=self.project.project.id,
domain=self.project.domain.id)
self.keypair = self.cloud.create_keypair(
'{}-kp_{}'.format(self.case_name, self.guid))
self.__logger.debug("keypair: %s", self.keypair)
if (self.deploy_vnf() and self.test_vnf()):
self.result = 100
return 0
self.result = 1/3 * 100
return 1
def run(self, **kwargs):
"""Deploy and test clearwater
Here are the main actions:
- deploy clearwater stack via heat
- test the vnf instance
Returns:
- TestCase.EX_OK
- TestCase.EX_RUN_ERROR on error
"""
status = testcase.TestCase.EX_RUN_ERROR
try:
assert self.cloud
self.start_time = time.time()
self.result = 0
if not self.execute():
self.result = 100
status = testcase.TestCase.EX_OK
except Exception: # pylint: disable=broad-except
self.__logger.exception('Cannot run %s', self.case_name)
finally:
self.stop_time = time.time()
return status
def deploy_vnf(self):
"""Deploy Clearwater IMS."""
start_time = time.time()
self.image_alt = self.publish_image_alt()
self.flavor_alt = self.create_flavor_alt()
# KeyPair + Image + Flavor OK
descriptor = self.vnf['descriptor']
parameters = self.vnf['parameters']
parameters['public_mgmt_net_id'] = self.ext_net.id
parameters['public_sig_net_id'] = self.ext_net.id
parameters['flavor'] = self.flavor_alt.name
parameters['image'] = self.image_alt.name
parameters['key_name'] = self.keypair.name
parameters['external_mgmt_dns_ip'] = env.get('NAMESERVER')
parameters['external_sig_dns_ip'] = env.get('NAMESERVER')
self.__logger.info("Create Heat Stack")
self.stack = self.cloud.create_stack(
name=descriptor.get('name'),
template_file=descriptor.get('file_name'),
wait=True, **parameters)
self.__logger.debug("stack: %s", self.stack)
servers = self.cloud.list_servers(detailed=True)
self.__logger.debug("servers: %s", servers)
for server in servers:
if not self.check_regex_in_console(
server.name, regex='Cloud-init .* finished at ', loop=60):
return False
if 'ellis' in server.name:
self.__logger.debug("server: %s", server)
ellis_ip = server.public_v4
assert ellis_ip
self.clearwater = clearwater.ClearwaterTesting(self.case_name,
ellis_ip)
# This call can take time and many retry because Heat is
# an infrastructure orchestrator so when Heat say "stack created"
# it means that all OpenStack ressources are created but not that
# Clearwater are up and ready (Cloud-Init script still running)
self.clearwater.availability_check_by_creating_numbers()
duration = time.time() - start_time
self.details['vnf'].update(status='PASS', duration=duration)
self.result += 1/3 * 100
return True
def test_vnf(self):
"""Run test on clearwater ims instance."""
start_time = time.time()
outputs = self.cloud.get_stack(self.stack.id).outputs
self.__logger.debug("stack outputs: %s", outputs)
dns_ip = re.findall(r'[0-9]+(?:\.[0-9]+){3}', str(outputs))[0]
if not dns_ip:
return False
short_result = self.clearwater.run_clearwater_live_test(
dns_ip=dns_ip,
public_domain=self.vnf['parameters']["zone"])
duration = time.time() - start_time
self.__logger.info(short_result)
self.details['test_vnf'] = dict(result=short_result,
duration=duration)
try:
vnf_test_rate = short_result['passed'] / (
short_result['total'] - short_result['skipped'])
# orchestrator + vnf + test_vnf
self.result += vnf_test_rate / 3 * 100
except ZeroDivisionError:
self.__logger.error("No test has been executed")
self.details['test_vnf'].update(status='FAIL')
return False
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot calculate results")
self.details['test_vnf'].update(status='FAIL')
return False
return True if vnf_test_rate > 0 else False
def clean(self):
"""Clean created objects/functions."""
assert self.cloud
try:
if self.stack:
self.cloud.delete_stack(self.stack.id, wait=True)
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot clean stack ressources")
super(HeatIms, self).clean()
if self.role:
self.orig_cloud.delete_role(self.role.id)
# ----------------------------------------------------------
#
# 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
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