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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
from pathlib import Path
import re
import subprocess
import time
import yaml
from xtesting.core import testcase
class E2ETesting(testcase.TestCase):
"""Kubernetes test runner"""
# pylint: disable=too-many-instance-attributes
__logger = logging.getLogger(__name__)
config = f'{Path.home()}/.kube/config'
gcr_repo = os.getenv("MIRROR_REPO", "gcr.io")
k8s_gcr_repo = os.getenv("MIRROR_REPO", "registry.k8s.io")
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.cmd = []
self.dir_results = "/home/opnfv/functest/results"
self.res_dir = os.path.join(self.dir_results, self.case_name)
self.result = 0
self.start_time = 0
self.stop_time = 0
self.output_log_name = 'functest-kubernetes.log'
self.output_debug_log_name = 'functest-kubernetes.debug.log'
@staticmethod
def convert_ini_to_dict(value):
"Convert oslo.conf input to dict"
assert isinstance(value, str)
try:
return dict((x.rsplit(':', 1) for x in value.split(',')))
except ValueError:
return {}
def run_kubetest(self, **kwargs): # pylint: disable=too-many-branches
"""Run the test suites"""
cmd_line = [
'ginkgo', f'--nodes={kwargs.get("nodes", 1)}',
'--no-color', '/usr/local/bin/e2e.test', '--',
'-kubeconfig', self.config,
'-provider', kwargs.get('provider', 'local'),
'-report-dir', self.res_dir]
for arg in kwargs.get("ginkgo", {}):
cmd_line.extend([f'-ginkgo.{arg}', kwargs["ginkgo"][arg]])
for key, value in self.convert_ini_to_dict(
os.environ.get("E2E_TEST_OPTS", "")).items():
cmd_line.extend([f'-{key}', value])
if "NON_BLOCKING_TAINTS" in os.environ:
cmd_line.extend(
['-non-blocking-taints', os.environ["NON_BLOCKING_TAINTS"]])
cmd_line.extend(['-disable-log-dump'])
self._generate_repo_list_file()
self.__logger.info("Starting k8s test: '%s'.", cmd_line)
env = os.environ.copy()
env["KUBE_TEST_REPO_LIST"] = f"{self.res_dir}/repositories.yml"
with subprocess.Popen(
cmd_line, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT, env=env) as process:
boutput = process.stdout.read()
with open(os.path.join(
self.res_dir, 'e2e.log'), 'w', encoding='utf-8') as foutput:
foutput.write(boutput.decode("utf-8"))
grp = re.search(
r'^(FAIL|SUCCESS)!.* ([0-9]+) Passed \| ([0-9]+) Failed \|'
r' ([0-9]+) Pending \| ([0-9]+) Skipped',
boutput.decode("utf-8", errors="ignore"),
re.MULTILINE | re.DOTALL)
try:
assert grp
except AssertionError:
self.__logger.exception(
"Can not find the overall result in \n%s",
boutput.decode("utf-8", errors="ignore"))
return False
self.details['passed'] = int(grp.group(2))
self.details['failed'] = int(grp.group(3))
self.details['pending'] = int(grp.group(4))
self.details['skipped'] = int(grp.group(5))
self.__logger.debug("details: %s", self.details)
self.result = self.details['passed'] * 100 / (
self.details['passed'] + self.details['failed'] +
self.details['pending'])
self.__logger.debug("result: %s", self.result)
if grp.group(1) == 'FAIL':
grp2 = re.search(
r'^(Summarizing [0-9]+ Failure.*)Ran',
boutput.decode("utf-8", errors="ignore"),
re.MULTILINE | re.DOTALL)
if grp2:
self.__logger.error(grp2.group(1))
return True
def run(self, **kwargs):
res = self.EX_RUN_ERROR
if not os.path.exists(self.res_dir):
os.makedirs(self.res_dir)
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:
if self.run_kubetest(**kwargs):
res = self.EX_OK
except Exception: # pylint: disable=broad-except
self.__logger.exception("Error with running kubetest:")
self.stop_time = time.time()
return res
def _generate_repo_list_file(self):
"""Generate the repositories list for the test."""
# The list is taken from
# https://github.com/kubernetes/kubernetes/blob/master/test/utils/image/manifest.go
# It may needs update regularly
gcr_repo = os.getenv("GCR_REPO", self.gcr_repo)
k8s_gcr_repo = os.getenv("K8S_GCR_REPO", self.k8s_gcr_repo)
repo_list = {
"gcAuthenticatedRegistry":
f"{gcr_repo}/authenticated-image-pulling",
"e2eRegistry": f"{gcr_repo}/kubernetes-e2e-test-images",
"promoterE2eRegistry": f"{k8s_gcr_repo}/e2e-test-images",
"buildImageRegistry": f"{k8s_gcr_repo}/build-image",
"invalidRegistry": "invalid.com/invalid",
"gcEtcdRegistry": k8s_gcr_repo,
"gcRegistry": k8s_gcr_repo,
"sigStorageRegistry": f"{k8s_gcr_repo}/sig-storage",
"privateRegistry": f"{gcr_repo}/k8s-authenticated-test",
"sampleRegistry": f"{gcr_repo}/google-samples",
"gcrReleaseRegistry": f"{gcr_repo}/gke-release",
"microsoftRegistry": "mcr.microsoft.com"
}
with open(
f"{self.res_dir}/repositories.yml", 'w',
encoding='utf-8') as file:
yaml.dump(repo_list, file)
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