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 import yaml
  23
  24 from xtesting.core import testcase
  25
  26
  27 class E2ETesting(testcase.TestCase):
  28     """Kubernetes test runner"""
  29     # pylint: disable=too-many-instance-attributes
  30
  31     __logger = logging.getLogger(__name__)
  32
  33     config = '/root/.kube/config'
  34     gcr_repo = os.getenv("MIRROR_REPO", "gcr.io")
  35     k8s_gcr_repo = os.getenv("MIRROR_REPO", "k8s.gcr.io")
  36
  37     def __init__(self, **kwargs):
  38         super(E2ETesting, self).__init__(**kwargs)
  39         self.cmd = []
  40         self.dir_results = "/home/opnfv/functest/results"
  41         self.res_dir = os.path.join(self.dir_results, self.case_name)
  42         self.result = 0
  43         self.start_time = 0
  44         self.stop_time = 0
  45         self.output_log_name = 'functest-kubernetes.log'
  46         self.output_debug_log_name = 'functest-kubernetes.debug.log'
  47
  48     def run_kubetest(self, **kwargs):  # pylint: disable=too-many-branches
  49         """Run the test suites"""
  50         cmd_line = ['e2e.test', '-ginkgo.noColor', '-kubeconfig', self.config,
  51                     '-provider', 'skeleton', '-report-dir', self.res_dir]
  52         for arg in kwargs:
  53             cmd_line.extend(['-ginkgo.{}'.format(arg), kwargs.get(arg)])
  54         if "NON_BLOCKING_TAINTS" in os.environ:
  55             cmd_line.extend(
  56                 ['-non-blocking-taints', os.environ["NON_BLOCKING_TAINTS"]])
  57         cmd_line.extend(['-disable-log-dump', 'true'])
  58         self._generate_repo_list_file()
  59         self.__logger.info("Starting k8s test: '%s'.", cmd_line)
  60         env = os.environ.copy()
  61         env["GINKGO_PARALLEL"] = 'y'
  62         env["KUBE_TEST_REPO_LIST"] = "{}/repositories.yml".format(self.res_dir)
  63         process = subprocess.Popen(cmd_line, stdout=subprocess.PIPE,
  64                                    stderr=subprocess.STDOUT, env=env)
  65         boutput = process.stdout.read()
  66         with open(os.path.join(self.res_dir, 'e2e.log'), 'wb') as foutput:
  67             foutput.write(boutput)
  68         grp = re.search(
  69             r'^(FAIL|SUCCESS)!.* ([0-9]+) Passed \| ([0-9]+) Failed \|'
  70             r' ([0-9]+) Pending \| ([0-9]+) Skipped',
  71             boutput.decode("utf-8", errors="ignore"),
  72             re.MULTILINE | re.DOTALL)
  73         assert grp
  74         self.details['passed'] = int(grp.group(2))
  75         self.details['failed'] = int(grp.group(3))
  76         self.details['pending'] = int(grp.group(4))
  77         self.details['skipped'] = int(grp.group(5))
  78         self.__logger.debug("details: %s", self.details)
  79         self.result = self.details['passed'] * 100 / (
  80             self.details['passed'] + self.details['failed'] +
  81             self.details['pending'])
  82         self.__logger.debug("result: %s", self.result)
  83         if grp.group(1) == 'FAIL':
  84             grp2 = re.search(
  85                 r'^(Summarizing [0-9]+ Failure.*)Ran',
  86                 boutput.decode("utf-8", errors="ignore"),
  87                 re.MULTILINE | re.DOTALL)
  88             if grp2:
  89                 self.__logger.error(grp2.group(1))
  90
  91     def run(self, **kwargs):
  92         if not os.path.exists(self.res_dir):
  93             os.makedirs(self.res_dir)
  94         if not os.path.isfile(self.config):
  95             self.__logger.error(
  96                 "Cannot run k8s testcases. Config file not found")
  97             return self.EX_RUN_ERROR
  98         self.start_time = time.time()
  99         try:
 100             self.run_kubetest(**kwargs)
 101             res = self.EX_OK
 102         except Exception:  # pylint: disable=broad-except
 103             self.__logger.exception("Error with running kubetest:")
 104             res = self.EX_RUN_ERROR
 105         self.stop_time = time.time()
 106         return res
 107
 108     def _generate_repo_list_file(self):
 109         """Generate the repositories list for the test."""
 110         # The list is taken from
 111         # https://github.com/kubernetes/kubernetes/blob/master/test/utils/image/manifest.go
 112         # It may needs update regularly
 113         gcr_repo = os.getenv("GCR_REPO", self.gcr_repo)
 114         k8s_gcr_repo = os.getenv("K8S_GCR_REPO", self.k8s_gcr_repo)
 115         repo_list = {
 116             "GcAuthenticatedRegistry": "{}/authenticated-image-pulling".format(
 117                 gcr_repo),
 118             "E2eRegistry":             "{}/kubernetes-e2e-test-images".format(
 119                 gcr_repo),
 120             "PromoterE2eRegistry":     "{}/e2e-test-images".format(
 121                 k8s_gcr_repo),
 122             "BuildImageRegistry":      "{}/build-image".format(k8s_gcr_repo),
 123             "InvalidRegistry":         "invalid.com/invalid",
 124             "GcEtcdRegistry":          "{}".format(k8s_gcr_repo),
 125             "GcRegistry":              "{}".format(k8s_gcr_repo),
 126             "SigStorageRegistry":      "{}/sig-storage".format(k8s_gcr_repo),
 127             "PrivateRegistry":         "{}/k8s-authenticated-test".format(
 128                 gcr_repo),
 129             "SampleRegistry":          "{}/google-samples".format(gcr_repo),
 130             "GcrReleaseRegistry":      "{}/gke-release".format(gcr_repo),
 131             "MicrosoftRegistry":       "mcr.microsoft.com",
 132         }
 133         with open("{}/repositories.yml".format(self.res_dir), 'w') as file:
 134             yaml.dump(repo_list, file)