functest_kubernetes/k8stest.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright (c) 2018 All rights reserved
   4 # This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 #
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10
  11 """
  12 Define the parent for Kubernetes testing.
  13 """
  14
  15 from __future__ import division
  16
  17 import logging
  18 import os
  19 import re
  20 import subprocess
  21 import time
  22
  23 from xtesting.core import testcase
  24
  25
  26 class K8sTesting(testcase.TestCase):
  27     """Kubernetes test runner"""
  28
  29     __logger = logging.getLogger(__name__)
  30
  31     config = '/root/.kube/config'
  32
  33     def __init__(self, **kwargs):
  34         super(K8sTesting, self).__init__(**kwargs)
  35         self.cmd = []
  36         self.result = 0
  37         self.start_time = 0
  38         self.stop_time = 0
  39
  40     def run_kubetest(self):  # pylint: disable=too-many-branches
  41         """Run the test suites"""
  42         cmd_line = self.cmd
  43         self.__logger.info("Starting k8s test: '%s'.", cmd_line)
  44
  45         process = subprocess.Popen(cmd_line, stdout=subprocess.PIPE,
  46                                    stderr=subprocess.STDOUT)
  47         output = process.stdout.read()
  48         if ('Error loading client' in output or
  49                 'Unexpected error' in output):
  50             raise Exception(output)
  51
  52         remarks = []
  53         lines = output.split('\n')
  54         success = False
  55         failure = False
  56         i = 0
  57         while i < len(lines):
  58             if '[Fail]' in lines[i] or 'Failures:' in lines[i]:
  59                 self.__logger.error(lines[i])
  60             if re.search(r'\[(.)*[0-9]+ seconds\]', lines[i]):
  61                 self.__logger.debug(lines[i])
  62                 i = i + 1
  63                 while i < len(lines) and lines[i] != '-' * len(lines[i]):
  64                     if lines[i].startswith('STEP:') or ('INFO:' in lines[i]):
  65                         break
  66                     self.__logger.debug(lines[i])
  67                     i = i + 1
  68             if i >= len(lines):
  69                 break
  70             success = 'SUCCESS!' in lines[i]
  71             failure = 'FAIL!' in lines[i]
  72             if success or failure:
  73                 if i != 0 and 'seconds' in lines[i - 1]:
  74                     remarks.append(lines[i - 1])
  75                 remarks = remarks + lines[i].replace('--', '|').split('|')
  76                 break
  77             i = i + 1
  78
  79         self.__logger.debug('-' * 10)
  80         self.__logger.info("Remarks:")
  81         for remark in remarks:
  82             if 'seconds' in remark:
  83                 self.__logger.debug(remark)
  84             elif 'Passed' in remark:
  85                 self.__logger.info("Passed: %s", remark.split()[0])
  86             elif 'Skipped' in remark:
  87                 self.__logger.info("Skipped: %s", remark.split()[0])
  88             elif 'Failed' in remark:
  89                 self.__logger.info("Failed: %s", remark.split()[0])
  90
  91         if success:
  92             self.result = 100
  93         elif failure:
  94             self.result = 0
  95
  96     def run(self, **kwargs):
  97
  98         if not os.path.isfile(self.config):
  99             self.__logger.error(
 100                 "Cannot run k8s testcases. Config file not found")
 101             return self.EX_RUN_ERROR
 102
 103         self.start_time = time.time()
 104         try:
 105             self.run_kubetest()
 106             res = self.EX_OK
 107         except Exception:  # pylint: disable=broad-except
 108             self.__logger.exception("Error with running kubetest:")
 109             res = self.EX_RUN_ERROR
 110
 111         self.stop_time = time.time()
 112         return res
 113
 114
 115 class K8sSmokeTest(K8sTesting):
 116     """Kubernetes smoke test suite"""
 117     def __init__(self, **kwargs):
 118         if "case_name" not in kwargs:
 119             kwargs.get("case_name", 'k8s_smoke')
 120         super(K8sSmokeTest, self).__init__(**kwargs)
 121         self.cmd = ['e2e.test', '-ginkgo.focus', 'Guestbook.application',
 122                     '-ginkgo.noColor', '-kubeconfig', self.config,
 123                     '--provider', 'local']
 124
 125
 126 class K8sConformanceTest(K8sTesting):
 127     """Kubernetes conformance test suite"""
 128     def __init__(self, **kwargs):
 129         if "case_name" not in kwargs:
 130             kwargs.get("case_name", 'k8s_conformance')
 131         super(K8sConformanceTest, self).__init__(**kwargs)
 132         self.cmd = ['e2e.test', '-ginkgo.focus', 'Conformance',
 133                     '-ginkgo.noColor', '-kubeconfig', self.config,
 134                     '--provider', 'local']