3 # Copyright (c) 2018 Orange and others.
5 # All rights reserved. This program and the accompanying materials
6 # are made available under the terms of the Apache License, Version 2.0
7 # which accompanies this distribution, and is available at
8 # http://www.apache.org/licenses/LICENSE-2.0
11 VMTP_ is a small python application that will automatically perform ping
12 connectivity, round trip time measurement (latency) and TCP/UDP throughput
13 measurement for the following East/West flows on any OpenStack deployment:
15 - VM to VM same network (private fixed IP, flow #1)
16 - VM to VM different network using fixed IP (same as intra-tenant L3 fixed IP,
18 - VM to VM different network using floating IP and NAT (same as floating IP
19 inter-tenant L3, flow #3)
21 .. _VMTP: http://vmtp.readthedocs.io/en/latest/
32 from xtesting.core import testcase
34 from functest.core import singlevm
35 from functest.utils import env
38 class Vmtp(singlevm.VmReady2):
39 """Class to run Vmtp_ as an OPNFV Functest testcase
41 .. _Vmtp: http://vmtp.readthedocs.io/en/latest/
43 # pylint: disable=too-many-instance-attributes
45 __logger = logging.getLogger(__name__)
47 filename = ('/home/opnfv/functest/images/'
48 'ubuntu-14.04-server-cloudimg-amd64-disk1.img')
52 create_server_timeout = 300
54 def __init__(self, **kwargs):
55 if "case_name" not in kwargs:
56 kwargs["case_name"] = 'vmtp'
57 super(Vmtp, self).__init__(**kwargs)
58 self.config = "{}/vmtp.conf".format(self.res_dir)
59 (_, self.privkey_filename) = tempfile.mkstemp()
60 (_, self.pubkey_filename) = tempfile.mkstemp()
62 def check_requirements(self):
63 if len(self.orig_cloud.list_hypervisors()) < 2:
64 self.__logger.warning("Vmtp requires at least 2 hypervisors")
65 self.is_skipped = True
68 def create_network_resources(self):
71 It creates a router which gateway is the external network detected.
73 Raises: expection on error
77 self.router = self.cloud.create_router(
78 name='{}-router_{}'.format(self.case_name, self.guid),
79 ext_gateway_net_id=self.ext_net.id)
80 self.__logger.debug("router: %s", self.router)
82 def generate_keys(self):
85 Raises: Exception on error
88 name = "vmtp_{}".format(self.guid)
89 self.__logger.info("Creating keypair with name: '%s'", name)
90 keypair = self.cloud.create_keypair(name)
91 self.__logger.debug("keypair: %s", keypair)
92 with open(self.privkey_filename, 'w') as key_file:
93 key_file.write(keypair.private_key)
94 with open(self.pubkey_filename, 'w') as key_file:
95 key_file.write(keypair.public_key)
96 self.cloud.delete_keypair(keypair.id)
98 def write_config(self):
101 Raises: Exception on error
104 if not os.path.exists(self.res_dir):
105 os.makedirs(self.res_dir)
106 cmd = ['vmtp', '-sc']
107 output = subprocess.check_output(cmd)
108 self.__logger.info("%s\n%s", " ".join(cmd), output)
109 with open(self.config, "w+") as conf:
110 vmtp_conf = yaml.load(output)
111 vmtp_conf["private_key_file"] = self.privkey_filename
112 vmtp_conf["public_key_file"] = self.pubkey_filename
113 vmtp_conf["image_name"] = str(self.image.name)
114 vmtp_conf["router_name"] = str(self.router.name)
115 vmtp_conf["flavor_type"] = str(self.flavor.name)
116 vmtp_conf["internal_network_name"] = [
117 "pns-internal-net_{}".format(self.guid),
118 "pns-internal-net2_{}".format(self.guid)]
119 vmtp_conf["vm_name_client"] = "TestClient_{}".format(self.guid)
120 vmtp_conf["vm_name_server"] = "TestServer_{}".format(self.guid)
121 vmtp_conf["security_group_name"] = "pns-security{}".format(
123 vmtp_conf["dns_nameservers"] = [env.get('NAMESERVER')]
124 vmtp_conf["generic_retry_count"] = self.create_server_timeout // 2
125 conf.write(yaml.dump(vmtp_conf))
128 """Run Vmtp and generate charts
130 Raises: Exception on error
135 OS_USERNAME=self.project.user.name,
136 OS_PROJECT_NAME=self.project.project.name,
137 OS_PROJECT_ID=self.project.project.id,
138 OS_PASSWORD=self.project.password)
139 if not new_env["OS_AUTH_URL"].endswith(('v3', 'v3/')):
140 new_env["OS_AUTH_URL"] = "{}/v3".format(new_env["OS_AUTH_URL"])
142 del new_env['OS_TENANT_NAME']
143 del new_env['OS_TENANT_ID']
144 except Exception: # pylint: disable=broad-except
146 cmd = ['vmtp', '-d', '--json', '{}/vmtp.json'.format(self.res_dir),
148 output = subprocess.check_output(
149 cmd, stderr=subprocess.STDOUT, env=new_env)
150 self.__logger.info("%s\n%s", " ".join(cmd), output)
151 cmd = ['vmtp_genchart', '-c', '{}/vmtp.html'.format(self.res_dir),
152 '{}/vmtp.json'.format(self.res_dir)]
153 output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
154 self.__logger.info("%s\n%s", " ".join(cmd), output)
155 with open('{}/vmtp.json'.format(self.res_dir), 'r') as res_file:
156 self.details = json.load(res_file)
158 def run(self, **kwargs):
159 self.start_time = time.time()
160 status = testcase.TestCase.EX_RUN_ERROR
163 assert super(Vmtp, self).run(**kwargs) == self.EX_OK
164 status = testcase.TestCase.EX_RUN_ERROR
165 if self.orig_cloud.get_role("admin"):
167 elif self.orig_cloud.get_role("Admin"):
170 raise Exception("Cannot detect neither admin nor Admin")
171 self.orig_cloud.grant_role(
172 role_name, user=self.project.user.id,
173 project=self.project.project.id,
174 domain=self.project.domain.id)
179 status = testcase.TestCase.EX_OK
180 except subprocess.CalledProcessError as cpe:
182 "Exception when calling %s\n%s", cpe.cmd, cpe.output)
184 except Exception: # pylint: disable=broad-except
185 self.__logger.exception("Cannot run vmtp")
187 self.stop_time = time.time()
193 super(Vmtp, self).clean()
194 os.remove(self.privkey_filename)
195 os.remove(self.pubkey_filename)
196 self.cloud.delete_network("pns-internal-net_{}".format(self.guid))
197 self.cloud.delete_network("pns-internal-net2_{}".format(self.guid))
198 except Exception: # pylint: disable=broad-except