ansible/test/utils/shippable/check_matrix.py

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#!/usr/bin/env python
"""Verify the currently executing Shippable test matrix matches the one defined in the "shippable.yml" file."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import datetime
import json
import os
import re
import sys
import time
try:
from typing import NoReturn
except ImportError:
NoReturn = None
try:
# noinspection PyCompatibility
from urllib2 import urlopen # pylint: disable=ansible-bad-import-from
except ImportError:
# noinspection PyCompatibility
from urllib.request import urlopen
def main(): # type: () -> None
"""Main entry point."""
repo_full_name = os.environ['REPO_FULL_NAME']
required_repo_full_name = 'ansible/ansible'
if repo_full_name != required_repo_full_name:
sys.stderr.write('Skipping matrix check on repo "%s" which is not "%s".\n' % (repo_full_name, required_repo_full_name))
return
with open('shippable.yml', 'rb') as yaml_file:
yaml = yaml_file.read().decode('utf-8').splitlines()
defined_matrix = [match.group(1) for match in [re.search(r'^ *- env: T=(.*)$', line) for line in yaml] if match and match.group(1) != 'none']
if not defined_matrix:
fail('No matrix entries found in the "shippable.yml" file.',
'Did you modify the "shippable.yml" file?')
run_id = os.environ['SHIPPABLE_BUILD_ID']
sleep = 1
jobs = []
for attempts_remaining in range(4, -1, -1):
try:
jobs = json.loads(urlopen('https://api.shippable.com/jobs?runIds=%s' % run_id).read())
if not isinstance(jobs, list):
raise Exception('Shippable run %s data is not a list.' % run_id)
break
except Exception as ex:
if not attempts_remaining:
fail('Unable to retrieve Shippable run %s matrix.' % run_id,
str(ex))
sys.stderr.write('Unable to retrieve Shippable run %s matrix: %s\n' % (run_id, ex))
sys.stderr.write('Trying again in %d seconds...\n' % sleep)
time.sleep(sleep)
sleep *= 2
if len(jobs) != len(defined_matrix):
if len(jobs) == 1:
hint = '\n\nMake sure you do not use the "Rebuild with SSH" option.'
else:
hint = ''
fail('Shippable run %s has %d jobs instead of the expected %d jobs.' % (run_id, len(jobs), len(defined_matrix)),
'Try re-running the entire matrix.%s' % hint)
actual_matrix = dict((job.get('jobNumber'), dict(tuple(line.split('=', 1)) for line in job.get('env', [])).get('T', '')) for job in jobs)
errors = [(job_number, test, actual_matrix.get(job_number)) for job_number, test in enumerate(defined_matrix, 1) if actual_matrix.get(job_number) != test]
if len(errors):
error_summary = '\n'.join('Job %s expected "%s" but found "%s" instead.' % (job_number, expected, actual) for job_number, expected, actual in errors)
fail('Shippable run %s has a job matrix mismatch.' % run_id,
'Try re-running the entire matrix.\n\n%s' % error_summary)
def fail(message, output): # type: (str, str) -> NoReturn
# Include a leading newline to improve readability on Shippable "Tests" tab.
# Without this, the first line becomes indented.
output = '\n' + output.strip()
timestamp = datetime.datetime.utcnow().replace(microsecond=0).isoformat()
# hack to avoid requiring junit-xml, which isn't pre-installed on Shippable outside our test containers
xml = '''
<?xml version="1.0" encoding="utf-8"?>
<testsuites disabled="0" errors="1" failures="0" tests="1" time="0.0">
\t<testsuite disabled="0" errors="1" failures="0" file="None" log="None" name="ansible-test" skipped="0" tests="1" time="0" timestamp="%s" url="None">
\t\t<testcase classname="timeout" name="timeout">
\t\t\t<error message="%s" type="error">%s</error>
\t\t</testcase>
\t</testsuite>
</testsuites>
''' % (timestamp, message, output)
path = 'shippable/testresults/check-matrix.xml'
dir_path = os.path.dirname(path)
if not os.path.exists(dir_path):
os.makedirs(dir_path)
with open(path, 'w') as junit_fd:
junit_fd.write(xml.lstrip())
sys.stderr.write(message + '\n')
sys.stderr.write(output + '\n')
sys.exit(1)
if __name__ == '__main__':
main()