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#!/usr/bin/env python
# Copyright (c) 2016 Rebaca 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
"""Juju testcase implementation."""
import errno
import logging
import os
import time
import json
import re
import subprocess
import sys
from copy import deepcopy
import pkg_resources
from functest.core import singlevm
from functest.utils import config
from functest.utils import env
from functest.utils import functest_utils
__author__ = "Amarendra Meher <amarendra@rebaca.com>"
__author__ = "Soumaya K Nayek <soumaya.nayek@rebaca.com>"
CLOUD_TEMPLATE = """clouds:
abot-epc:
type: openstack
auth-types: [userpass]
endpoint: {url}
regions:
{region}:
endpoint: {url}"""
CREDS_TEMPLATE2 = """credentials:
abot-epc:
default-credential: abot-epc
abot-epc:
auth-type: userpass
password: '{pass}'
project-domain-name: {project_domain_n}
tenant-name: {tenant_n}"""
CREDS_TEMPLATE = """credentials:
abot-epc:
default-credential: abot-epc
abot-epc:
auth-type: userpass
password: '{pass}'
project-domain-name: {project_domain_n}
tenant-name: {tenant_n}
user-domain-name: {user_domain_n}
username: {user_n}"""
class JujuEpc(singlevm.VmReady2):
# pylint:disable=too-many-instance-attributes
"""Abot EPC deployed with JUJU Orchestrator Case"""
__logger = logging.getLogger(__name__)
cidr = '192.168.120.0/24'
filename = ('/home/opnfv/functest/images/'
'ubuntu-16.04-server-cloudimg-amd64-disk1.img')
filename_alt = ('/home/opnfv/functest/images/'
'ubuntu-14.04-server-cloudimg-amd64-disk1.img')
flavor_ram = 2048
flavor_vcpus = 1
flavor_disk = 10
flavor_alt_ram = 4096
flavor_alt_vcpus = 1
flavor_alt_disk = 10
juju_timeout = '4800'
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs["case_name"] = "juju_epc"
super(JujuEpc, self).__init__(**kwargs)
# Retrieve the configuration
self.case_dir = pkg_resources.resource_filename(
'functest', 'opnfv_tests/vnf/epc')
try:
self.config = getattr(
config.CONF, 'vnf_{}_config'.format(self.case_name))
except Exception:
raise Exception("VNF config file not found")
self.config_file = os.path.join(self.case_dir, self.config)
self.orchestrator = dict(
requirements=functest_utils.get_parameter_from_yaml(
"orchestrator.requirements", self.config_file))
self.created_object = []
self.details['orchestrator'] = dict(
name=functest_utils.get_parameter_from_yaml(
"orchestrator.name", self.config_file),
version=functest_utils.get_parameter_from_yaml(
"orchestrator.version", self.config_file),
status='ERROR',
result=''
)
self.vnf = dict(
descriptor=functest_utils.get_parameter_from_yaml(
"vnf.descriptor", self.config_file),
requirements=functest_utils.get_parameter_from_yaml(
"vnf.requirements", self.config_file)
)
self.details['vnf'] = dict(
descriptor_version=self.vnf['descriptor']['version'],
name=functest_utils.get_parameter_from_yaml(
"vnf.name", self.config_file),
version=functest_utils.get_parameter_from_yaml(
"vnf.version", self.config_file),
)
self.__logger.debug("VNF configuration: %s", self.vnf)
self.details['test_vnf'] = dict(
name=functest_utils.get_parameter_from_yaml(
"vnf_test_suite.name", self.config_file),
version=functest_utils.get_parameter_from_yaml(
"vnf_test_suite.version", self.config_file),
tag_name=functest_utils.get_parameter_from_yaml(
"vnf_test_suite.tag_name", self.config_file)
)
self.res_dir = os.path.join(
getattr(config.CONF, 'dir_results'), self.case_name)
try:
self.public_auth_url = self.get_public_auth_url(self.orig_cloud)
if not self.public_auth_url.endswith(('v3', 'v3/')):
self.public_auth_url = "{}/v3".format(self.public_auth_url)
except Exception: # pylint: disable=broad-except
self.public_auth_url = None
self.sec = None
self.image_alt = None
self.flavor_alt = None
def check_requirements(self):
if not os.path.exists("/src/epc-requirements/go/bin/juju"):
self.__logger.warning(
"Juju cannot be cross-compiled (arm and arm64) from the time "
"being")
self.is_skipped = True
self.project.clean()
if env.get('NEW_USER_ROLE').lower() == "admin":
self.__logger.warning(
"Defining NEW_USER_ROLE=admin will easily break the testcase "
"because Juju doesn't manage tenancy (e.g. subnet "
"overlapping)")
def _register_cloud(self):
assert self.public_auth_url
self.__logger.info("Creating Cloud for Abot-epc .....")
clouds_yaml = os.path.join(self.res_dir, "clouds.yaml")
cloud_data = {
'url': self.public_auth_url,
'region': self.cloud.region_name if self.cloud.region_name else (
'RegionOne')}
with open(clouds_yaml, 'w') as yfile:
yfile.write(CLOUD_TEMPLATE.format(**cloud_data))
cmd = ['juju', 'add-cloud', 'abot-epc', '-f', clouds_yaml, '--replace']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
def _register_credentials(self):
self.__logger.info("Creating Credentials for Abot-epc .....")
credentials_yaml = os.path.join(self.res_dir, "credentials.yaml")
creds_data = {
'pass': self.project.password,
'tenant_n': self.project.project.name,
'user_n': self.project.user.name,
'project_domain_n': self.cloud.auth.get(
"project_domain_name", "Default"),
'user_domain_n': self.cloud.auth.get(
"user_domain_name", "Default")}
with open(credentials_yaml, 'w') as yfile:
yfile.write(CREDS_TEMPLATE.format(**creds_data))
cmd = ['juju', 'add-credential', 'abot-epc', '-f', credentials_yaml,
'--replace', '--debug']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
def prepare(self):
"""Prepare testcase (Additional pre-configuration steps)."""
assert self.public_auth_url
self.__logger.info("Additional pre-configuration steps")
try:
os.makedirs(self.res_dir)
except OSError as ex:
if ex.errno != errno.EEXIST:
self.__logger.exception("Cannot create %s", self.res_dir)
raise Exception
self.__logger.info("ENV:\n%s", env.string())
self._register_cloud()
self._register_credentials()
def publish_image(self, name=None):
image = super(JujuEpc, self).publish_image(name)
cmd = ['juju', 'metadata', 'generate-image', '-d', '/root',
'-i', image.id, '-s', 'xenial',
'-r', self.cloud.region_name if self.cloud.region_name else (
'RegionOne'),
'-u', self.public_auth_url]
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
return image
def publish_image_alt(self, name=None):
image_alt = super(JujuEpc, self).publish_image_alt(name)
cmd = ['juju', 'metadata', 'generate-image', '-d', '/root',
'-i', image_alt.id, '-s', 'trusty',
'-r', self.cloud.region_name if self.cloud.region_name else (
'RegionOne'),
'-u', self.public_auth_url]
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
return image_alt
def deploy_orchestrator(self): # pylint: disable=too-many-locals
"""
Create network, subnet, router
Bootstrap juju
"""
self.image_alt = self.publish_image_alt()
self.flavor_alt = self.create_flavor_alt()
self.__logger.info("Starting Juju Bootstrap process...")
try:
cmd = ['timeout', JujuEpc.juju_timeout,
'juju', 'bootstrap',
'abot-epc/{}'.format(
self.cloud.region_name if self.cloud.region_name else (
'RegionOne')),
'abot-controller',
'--agent-version', '2.3.9',
'--metadata-source', '/root',
'--constraints', 'mem=2G',
'--bootstrap-series', 'xenial',
'--config', 'network={}'.format(self.network.id),
'--config', 'ssl-hostname-verification=false',
'--config', 'external-network={}'.format(self.ext_net.id),
'--config', 'use-floating-ip=true',
'--config', 'use-default-secgroup=true',
'--debug']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
except subprocess.CalledProcessError as cpe:
self.__logger.error(
"Exception with Juju Bootstrap: %s\n%s",
cpe.cmd, cpe.output.decode("utf-8"))
return False
except Exception: # pylint: disable=broad-except
self.__logger.exception("Some issue with Juju Bootstrap ...")
return False
return True
def check_app(self, name='abot-epc-basic', status='active'):
"""Check application status."""
cmd = ['juju', 'status', '--format', 'short', name]
for i in range(10):
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
ret = re.search(
r'(?=workload:({})\))'.format(status), output.decode("utf-8"))
if ret:
self.__logger.info("%s workload is %s", name, status)
break
self.__logger.info(
"loop %d: %s workload differs from %s", i + 1, name, status)
time.sleep(60)
else:
self.__logger.error("%s workload differs from %s", name, status)
return False
return True
def deploy_vnf(self):
"""Deploy ABOT-OAI-EPC."""
self.__logger.info("Upload VNFD")
descriptor = self.vnf['descriptor']
self.__logger.info("Deploying Abot-epc bundle file ...")
cmd = ['juju', 'deploy', '{}'.format(descriptor.get('file_name'))]
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
self.__logger.info("Waiting for instances .....")
try:
cmd = ['timeout', JujuEpc.juju_timeout, 'juju-wait']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
self.__logger.info("Deployed Abot-epc on Openstack")
except subprocess.CalledProcessError as cpe:
self.__logger.error(
"Exception with Juju VNF Deployment: %s\n%s",
cpe.cmd, cpe.output.decode("utf-8"))
return False
except Exception: # pylint: disable=broad-except
self.__logger.exception("Some issue with the VNF Deployment ..")
return False
self.__logger.info("Checking status of ABot and EPC units ...")
cmd = ['juju', 'status']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.debug("%s\n%s", " ".join(cmd), output.decode("utf-8"))
for app in ['abot-epc-basic', 'oai-epc', 'oai-hss']:
if not self.check_app(app):
return False
self.__logger.info("Transferring the feature files to Abot_node ...")
cmd = ['timeout', '60', 'juju', 'scp', '--', '-r', '-v',
'{}/featureFiles'.format(self.case_dir),
'abot-epc-basic/0:/etc/rebaca-test-suite/']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
return True
def test_vnf(self):
"""Run test on ABoT."""
start_time = time.time()
self.__logger.info("Running VNF Test cases....")
cmd = ['juju', 'run-action', 'abot-epc-basic/0', 'run',
'tagnames={}'.format(self.details['test_vnf']['tag_name'])]
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
cmd = ['timeout', JujuEpc.juju_timeout, 'juju-wait']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
duration = time.time() - start_time
self.__logger.info("Getting results from Abot node....")
cmd = ['timeout', JujuEpc.juju_timeout,
'juju', 'scp', '--', '-v',
'abot-epc-basic/0:'
'/var/lib/abot-epc-basic/artifacts/TestResults.json',
'{}/.'.format(self.res_dir)]
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
self.__logger.info("Parsing the Test results...")
res = (process_abot_test_result('{}/TestResults.json'.format(
self.res_dir)))
short_result = sig_test_format(res)
self.__logger.info(short_result)
self.details['test_vnf'].update(
status='PASS', result=short_result, full_result=res,
duration=duration)
self.__logger.info(
"Test VNF result: Passed: %d, Failed:%d, Skipped: %d",
short_result['passed'],
short_result['failures'], short_result['skipped'])
return True
def run(self, **kwargs):
self.start_time = time.time()
try:
assert super(JujuEpc, self).run(**kwargs) == self.EX_OK
self.prepare()
if (self.deploy_orchestrator() and
self.deploy_vnf() and
self.test_vnf()):
self.stop_time = time.time()
self.result = 100
return self.EX_OK
self.result = 0
self.stop_time = time.time()
return self.EX_TESTCASE_FAILED
except Exception: # pylint: disable=broad-except
self.result = 0
self.stop_time = time.time()
self.__logger.exception("Exception on VNF testing")
return self.EX_TESTCASE_FAILED
def clean(self):
"""Clean created objects/functions."""
try:
cmd = ['juju', 'debug-log', '--replay', '--no-tail']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.debug(
"%s\n%s", " ".join(cmd), output.decode("utf-8"))
self.__logger.info("Destroying Orchestrator...")
cmd = ['timeout', JujuEpc.juju_timeout,
'juju', 'destroy-controller', '-y', 'abot-controller',
'--destroy-all-models']
output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
except subprocess.CalledProcessError as cpe:
self.__logger.error(
"Exception with Juju Cleanup: %s\n%s",
cpe.cmd, cpe.output.decode("utf-8"))
except Exception: # pylint: disable=broad-except
self.__logger.exception("General issue during the undeployment ..")
for fip in self.cloud.list_floating_ips():
self.cloud.delete_floating_ip(fip.id)
if self.image_alt:
self.cloud.delete_image(self.image_alt)
if self.flavor_alt:
self.orig_cloud.delete_flavor(self.flavor_alt.id)
super(JujuEpc, self).clean()
def sig_test_format(sig_test):
"""
Process the signaling result to have a short result
"""
nb_passed = 0
nb_failures = 0
nb_skipped = 0
for data_test in sig_test:
if data_test['result'] == "passed":
nb_passed += 1
elif data_test['result'] == "failed":
nb_failures += 1
elif data_test['result'] == "skipped":
nb_skipped += 1
total_sig_test_result = {}
total_sig_test_result['passed'] = nb_passed
total_sig_test_result['failures'] = nb_failures
total_sig_test_result['skipped'] = nb_skipped
return total_sig_test_result
def process_abot_test_result(file_path):
""" Process ABoT Result """
with open(file_path) as test_result:
data = json.load(test_result)
res = []
for tests in data:
tests = update_data(tests)
try:
flatten_steps = tests['elements'][0].pop('flatten_steps')
for steps in flatten_steps:
steps['result'] = steps['step_status']
res.append(steps)
except Exception: # pylint: disable=broad-except
logging.error("Could not post data to ElasticSearch host")
raise
return res
def update_data(obj):
""" Update Result data"""
try:
obj['feature_file'] = os.path.splitext(os.path.basename(obj['uri']))[0]
for element in obj['elements']:
element['final_result'] = "passed"
element['flatten_steps'] = []
for step in element['steps']:
temp_dict = {}
step['result'][step['result']['status']] = 1
if step['result']['status'].lower() in ['fail', 'failed']:
element['final_result'] = "failed"
temp_dict['feature_file'] = obj['feature_file']
temp_dict['step_name'] = step['name']
temp_dict['step_status'] = step['result']['status']
temp_dict['step_duration'] = step['result'].get('duration', 0)
temp_dict['step_' + step['result']['status']] = 1
element['flatten_steps'].append(deepcopy(temp_dict))
# Need to put the tag in OBJ and not ELEMENT
if 'tags' in obj:
element['tags'] = deepcopy(obj['tags'])
for tag in obj['tags']:
element[tag['name']] = 1
else:
for tag in element['tags']:
element[tag['name']] = 1
except Exception: # pylint: disable=broad-except
logging.error("Error in updating data, %s", sys.exc_info()[0])
raise
return obj
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