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#!/usr/bin/env python
#
# Copyright (c) 2018 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
#
"""
Define the parent for Kubernetes testing.
"""
from __future__ import division
import logging
import os
import re
import subprocess
import time
from xtesting.core import testcase
class K8sTesting(testcase.TestCase):
"""Kubernetes test runner"""
__logger = logging.getLogger(__name__)
def __init__(self, **kwargs):
super(K8sTesting, self).__init__(**kwargs)
self.config = '/root/.kube/config'
self.cmd = []
self.result = 0
self.start_time = 0
self.stop_time = 0
def run_kubetest(self): # pylint: disable=too-many-branches
"""Run the test suites"""
cmd_line = self.cmd
self.__logger.info("Starting k8s test: '%s'.", cmd_line)
process = subprocess.Popen(cmd_line, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output = process.stdout.read()
# Remove color code escape sequences
output = re.sub(r'\x1B\[[0-?]*[ -/]*[@-~]', '', str(output))
if ('Error loading client' in output or
'Unexpected error' in output):
raise Exception(output)
remarks = []
lines = output.split('\n')
success = False
failure = False
i = 0
while i < len(lines):
if '[Fail]' in lines[i] or 'Failures:' in lines[i]:
self.__logger.error(lines[i])
if re.search(r'\[(.)*[0-9]+ seconds\]', lines[i]):
self.__logger.debug(lines[i])
i = i + 1
while i < len(lines) and lines[i] != '-' * len(lines[i]):
if lines[i].startswith('STEP:') or ('INFO:' in lines[i]):
break
self.__logger.debug(lines[i])
i = i + 1
if i >= len(lines):
break
success = 'SUCCESS!' in lines[i]
failure = 'FAIL!' in lines[i]
if success or failure:
if i != 0 and 'seconds' in lines[i - 1]:
remarks.append(lines[i - 1])
remarks = remarks + lines[i].replace('--', '|').split('|')
break
i = i + 1
self.__logger.debug('-' * 10)
self.__logger.info("Remarks:")
for remark in remarks:
if 'seconds' in remark:
self.__logger.debug(remark)
elif 'Passed' in remark:
self.__logger.info("Passed: %s", remark.split()[0])
elif 'Skipped' in remark:
self.__logger.info("Skipped: %s", remark.split()[0])
elif 'Failed' in remark:
self.__logger.info("Failed: %s", remark.split()[0])
if success:
self.result = 100
elif failure:
self.result = 0
def run(self, **kwargs):
if not os.path.isfile(self.config):
self.__logger.error(
"Cannot run k8s testcases. Config file not found")
return self.EX_RUN_ERROR
self.start_time = time.time()
try:
self.run_kubetest()
res = self.EX_OK
except Exception: # pylint: disable=broad-except
self.__logger.exception("Error with running kubetest:")
res = self.EX_RUN_ERROR
self.stop_time = time.time()
return res
def check_envs(self): # pylint: disable=no-self-use
"""Check if required environment variables are set"""
try:
assert 'DEPLOY_SCENARIO' in os.environ
assert 'KUBE_MASTER_IP' in os.environ
assert 'KUBERNETES_PROVIDER' in os.environ
assert 'KUBE_MASTER_URL' in os.environ
except Exception as ex:
raise Exception("Cannot run k8s testcases. "
"Please check env var: %s" % str(ex))
class K8sSmokeTest(K8sTesting):
"""Kubernetes smoke test suite"""
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs.get("case_name", 'k8s_smoke')
super(K8sSmokeTest, self).__init__(**kwargs)
self.check_envs()
self.cmd = ['/src/k8s.io/kubernetes/cluster/test-smoke.sh', '--host',
os.getenv('KUBE_MASTER_URL')]
class K8sConformanceTest(K8sTesting):
"""Kubernetes conformance test suite"""
def __init__(self, **kwargs):
if "case_name" not in kwargs:
kwargs.get("case_name", 'k8s_conformance')
super(K8sConformanceTest, self).__init__(**kwargs)
self.check_envs()
self.cmd = ['/src/k8s.io/kubernetes/_output/bin/e2e.test',
'-ginkgo.focus', 'Conformance',
'-kubeconfig', self.config]
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