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#!/usr/bin/env python3
#
# core-image-tester
# Copyright (C) 2015 Canonical
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# called-by-tarmac.py is intended to be called by the tarmac merge engine
# to perform automatic unit testing on branch landing.
# It replaces the manual commands:
# bzr branch $PIP_CACHE_BRANCH pip_cache
# virtualenv -p python3 ve && \
# ./ve/bin/pip install --no-index --find-links=pip-cache \
# -r requirements.txt && \
# ./ve/bin/pip install -r test_requirements.txt && \
# ./ve/bin/python3 setup.py test && \
# rm -rf ve
#
import os
import subprocess
import sys
import tempfile
SERVICE_NAME = 'core-image-tester'
VENV_DIR = 'venv-{}'.format(SERVICE_NAME)
PIP_DIR = 'pip-cache-'.format(SERVICE_NAME)
PIP_CACHE_BRANCH = 'lp:~canonical-ci-engineering/{}/' \
'pip-cache'.format(SERVICE_NAME)
def _run_command(cmd):
'''Run the command and return the return code or 0 on success.'''
print('INFO: Executing: {}'.format(' '.join(cmd)))
try:
subprocess.check_call(cmd, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
print('ERROR: Calling `{}` failed (with code {})'.format(
e.cmd, e.returncode))
return e.returncode
return 0
def main():
with tempfile.TemporaryDirectory(PIP_DIR) as pip_dir, \
tempfile.TemporaryDirectory(prefix=VENV_DIR) as ve_dir:
pip_cache = os.path.join(pip_dir, 'cache')
all_cmds = (
[
'bzr',
'branch',
PIP_CACHE_BRANCH,
pip_cache,
],
[
'virtualenv',
'-p',
'python3',
ve_dir,
],
[
os.path.join(ve_dir, 'bin', 'pip'),
'install',
'--no-index',
'--find-links={}'.format(pip_cache),
'-r',
'requirements.txt',
],
[
os.path.join(ve_dir, 'bin', 'pip'),
'install',
'-r',
'test_requirements.txt',
],
[
os.path.join(ve_dir, 'bin', 'python3'),
'setup.py',
'test',
],
)
for cmd in all_cmds:
ret = _run_command(cmd)
if ret:
# A cmd failed, bubble up the return code to the caller
return ret
return 0
if __name__ == '__main__':
sys.exit(main())
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