1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
#!/usr/bin/env python
# Copyright (c) 2020 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
"""Deploy and test Clearwater vIMS using Kubernetes"""
from __future__ import division
import logging
import time
import re
import yaml
from kubernetes import client
from kubernetes import config
from kubernetes import watch
import pkg_resources
from xtesting.core import testcase
class Vims(testcase.TestCase): # pylint: disable=too-many-instance-attributes
"""Deploy and test Clearwater vIMS using Kubernetes
It leverage on the Python kubernetes client to apply operation proposed by
clearwater-docker.
See https://github.com/Metaswitch/clearwater-docker for more details
"""
watch_timeout = 1800
metadata_name = "env-vars"
test_image_name = "ollivier/clearwater-live-test:hunter"
test_container_name = "live-test"
__logger = logging.getLogger(__name__)
deployment_list = [
"astaire", "bono", "cassandra", "chronos", "ellis", "etcd", "homer",
"homestead", "homestead-prov", "ralf", "sprout"]
def __init__(self, **kwargs):
super(Vims, self).__init__(**kwargs)
config.load_kube_config()
self.corev1 = client.CoreV1Api()
self.appsv1 = client.AppsV1Api()
self.output_log_name = 'functest-kubernetes.log'
self.output_debug_log_name = 'functest-kubernetes.debug.log'
self.namespace = ""
self.zone = ""
def deploy_vnf(self):
"""Deploy vIMS as proposed by clearwater-docker
It leverages on unofficial Clearwater dockers as proposed in the
documentation.
See https://github.com/Metaswitch/clearwater-docker for more details
"""
api_response = self.corev1.create_namespace(
client.V1Namespace(metadata=client.V1ObjectMeta(
generate_name="ims-")))
self.namespace = api_response.metadata.name
self.__logger.debug("create_namespace: %s", api_response)
metadata = client.V1ObjectMeta(
name=self.metadata_name, namespace=self.namespace)
self.zone = '{}.svc.cluster.local'.format(self.namespace)
body = client.V1ConfigMap(
metadata=metadata,
data={"ADDITIONAL_SHARED_CONFIG": "", "ZONE": self.zone})
api_response = self.corev1.create_namespaced_config_map(
self.namespace, body=body)
self.__logger.debug("create_namespaced_config_map: %s", api_response)
for deployment in self.deployment_list:
with open(pkg_resources.resource_filename(
'functest_kubernetes',
'ims/{}-depl.yaml'.format(deployment))) as yfile:
body = yaml.safe_load(yfile)
resp = self.appsv1.create_namespaced_deployment(
body=body, namespace=self.namespace)
self.__logger.info("Deployment %s created", resp.metadata.name)
self.__logger.debug(
"create_namespaced_deployment: %s", api_response)
for service in self.deployment_list:
with open(pkg_resources.resource_filename(
'functest_kubernetes',
'ims/{}-svc.yaml'.format(service))) as yfile:
body = yaml.safe_load(yfile)
resp = self.corev1.create_namespaced_service(
body=body, namespace=self.namespace)
self.__logger.info("Service %s created", resp.metadata.name)
self.__logger.debug(
"create_namespaced_service: %s", api_response)
status = self.deployment_list.copy()
watch_deployment = watch.Watch()
for event in watch_deployment.stream(
func=self.appsv1.list_namespaced_deployment,
namespace=self.namespace, timeout_seconds=self.watch_timeout):
self.__logger.debug(event)
if event["object"].status.ready_replicas == 1:
if event['object'].metadata.name in status:
status.remove(event['object'].metadata.name)
self.__logger.info(
"%s started in %0.2f sec",
event['object'].metadata.name,
time.time()-self.start_time)
if not status:
watch_deployment.stop()
if not status:
self.result = 1/2 * 100
return True
self.__logger.error("Cannot deploy vIMS")
return False
def test_vnf(self):
"""Test vIMS as proposed by clearwater-live-test
It leverages on an unofficial Clearwater docker to allow testing from
the Kubernetes cluster.
See https://github.com/Metaswitch/clearwater-live-test for more details
"""
time.sleep(120)
container = client.V1Container(
name=self.test_container_name, image=self.test_image_name,
command=["rake", "test[{}]".format(self.zone),
"PROXY=bono.{}".format(self.zone),
"ELLIS=ellis.{}".format(self.zone),
"SIGNUP_CODE=secret", "--trace"])
spec = client.V1PodSpec(containers=[container], restart_policy="Never")
metadata = client.V1ObjectMeta(name=self.test_container_name)
body = client.V1Pod(metadata=metadata, spec=spec)
api_response = self.corev1.create_namespaced_pod(self.namespace, body)
watch_deployment = watch.Watch()
for event in watch_deployment.stream(
func=self.corev1.list_namespaced_pod,
namespace=self.namespace, timeout_seconds=self.watch_timeout):
self.__logger.debug(event)
if event["object"].metadata.name == self.test_container_name:
if (event["object"].status.phase == 'Succeeded' or
event["object"].status.phase == 'Failed'):
watch_deployment.stop()
api_response = self.corev1.read_namespaced_pod_log(
name=self.test_container_name, namespace=self.namespace)
self.__logger.info(api_response)
vims_test_result = {}
try:
grp = re.search(
r'^(\d+) failures out of (\d+) tests run.*\n'
r'(\d+) tests skipped$', api_response,
re.MULTILINE | re.DOTALL)
assert grp
vims_test_result["failures"] = int(grp.group(1))
vims_test_result["total"] = int(grp.group(2))
vims_test_result["skipped"] = int(grp.group(3))
vims_test_result['passed'] = (
int(grp.group(2)) - int(grp.group(3)) - int(grp.group(1)))
if vims_test_result['total'] - vims_test_result['skipped'] > 0:
vnf_test_rate = vims_test_result['passed'] / (
vims_test_result['total'] - vims_test_result['skipped'])
else:
vnf_test_rate = 0
self.result += 1/2 * 100 * vnf_test_rate
except Exception: # pylint: disable=broad-except
self.__logger.exception("Cannot parse live tests results")
def run(self, **kwargs):
self.start_time = time.time()
try:
if self.deploy_vnf():
self.test_vnf()
except client.rest.ApiException:
self.__logger.exception("Cannot deploy and test vIms")
self.stop_time = time.time()
def clean(self):
try:
api_response = self.corev1.delete_namespaced_config_map(
name=self.metadata_name, namespace=self.namespace)
self.__logger.debug(
"delete_namespaced_config_map: %s", api_response)
except client.rest.ApiException:
pass
try:
api_response = self.corev1.delete_namespaced_pod(
name=self.test_container_name, namespace=self.namespace)
self.__logger.debug("delete_namespaced_pod: %s", api_response)
except client.rest.ApiException:
pass
for deployment in self.deployment_list:
try:
api_response = self.appsv1.delete_namespaced_deployment(
name=deployment, namespace=self.namespace)
self.__logger.debug(
"delete_namespaced_deployment: %s", api_response)
except client.rest.ApiException:
pass
try:
api_response = self.corev1.delete_namespaced_service(
name=deployment, namespace=self.namespace)
self.__logger.debug(
"delete_namespaced_service: %s", api_response)
except client.rest.ApiException:
pass
try:
api_response = self.corev1.delete_namespace(self.namespace)
self.__logger.debug("delete_namespace: %s", self.namespace)
except client.rest.ApiException:
pass
|
