3 # Copyright (c) 2020 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 The CNF Conformance program enables interoperability of Cloud native Network
12 Functions (CNFs) from multiple vendors running on top of Kubernetes supplied by
13 different vendors [1].
14 [1] https://github.com/cncf/cnf-testsuite
17 from __future__ import division
30 from xtesting.core import testcase
33 class CNFConformance(testcase.TestCase):
34 """ Implement CNF Conformance driver.
36 https://hackmd.io/@vulk/SkY54QnsU
39 src_dir = '/src/cnf-testsuite'
40 bin_dir = '/usr/local/bin'
41 default_tag = 'workload'
43 __logger = logging.getLogger(__name__)
45 def __init__(self, **kwargs):
46 super(CNFConformance, self).__init__(**kwargs)
47 self.output_log_name = 'functest-kubernetes.log'
48 self.output_debug_log_name = 'functest-kubernetes.debug.log'
50 def check_requirements(self):
51 """Check if cnf-testsuite is in $PATH"""
52 if not os.path.exists(os.path.join(self.bin_dir, 'cnf-testsuite')):
53 self.__logger.warning(
54 "cnf-testsuite is not compiled for arm and arm64 for the "
56 self.is_skipped = True
59 """Implement initialization and pre-reqs steps"""
60 if os.path.exists(self.res_dir):
61 shutil.rmtree(self.res_dir)
62 os.makedirs(self.res_dir)
63 shutil.copy2(os.path.join(self.src_dir, 'points.yml'), self.res_dir)
65 os.path.join(self.src_dir, 'cnf-conformance.yml'), self.res_dir)
66 os.makedirs(os.path.join(self.res_dir, 'spec/fixtures'))
67 for cfile in ["chaos_network_loss.yml", "chaos_cpu_hog.yml",
68 "chaos_container_kill.yml"]:
70 os.path.join(self.src_dir, 'spec/fixtures', cfile),
71 os.path.join(self.res_dir, 'spec/fixtures', cfile))
72 os.chdir(self.res_dir)
73 cmd = ['cnf-testsuite', 'setup']
74 output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
75 self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
76 cmd = ['cnf-testsuite', 'cnf_setup',
77 'cnf-config=cnf-conformance.yml']
78 output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
79 self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
81 def run_conformance(self, **kwargs):
82 """Run CNF Conformance"""
83 cmd = ['cnf-testsuite', kwargs.get("tag", self.default_tag)]
84 output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
85 self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
86 lfiles = glob.glob(os.path.join(
87 self.res_dir, 'results', 'cnf-testsuite-results-*.yml'))
88 results = max(lfiles, key=os.path.getmtime)
89 with open(os.path.join(self.res_dir, 'results', results)) as yfile:
90 self.details = yaml.safe_load(yfile)
91 msg = prettytable.PrettyTable(
92 header_style='upper', padding_width=5,
93 field_names=['name', 'status'])
94 for item in self.details['items']:
95 msg.add_row([item['name'], item['status']])
96 self.__logger.info("\n\n%s\n", msg.get_string())
98 r'Final .* score: (\d+) of (\d+)', output.decode("utf-8"))
100 self.result = int(grp.group(1)) / int(grp.group(2)) * 100
102 os.path.join(self.res_dir, 'results', results), self.res_dir)
104 def run(self, **kwargs):
105 """"Running the test with example CNF"""
106 self.start_time = time.time()
109 self.run_conformance(**kwargs)
110 except Exception: # pylint: disable=broad-except
111 self.__logger.exception("Can not run CNF Conformance")
112 self.stop_time = time.time()
115 cmd = ['cnf-testsuite', 'cnf_cleanup',
116 'cnf-config=cnf-conformance.yml']
117 output = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
118 self.__logger.info("%s\n%s", " ".join(cmd), output.decode("utf-8"))
119 shutil.rmtree(os.path.join(self.res_dir, 'tools'), ignore_errors=True)
120 shutil.rmtree(os.path.join(self.res_dir, 'cnfs'), ignore_errors=True)
122 os.path.join(self.res_dir, 'results'), ignore_errors=True)