mitogen/tests/image_prep/build_docker_images.py

66 lines
1.9 KiB
Python
Executable File

#!/usr/bin/env python
"""
Build the Docker images used for testing.
"""
import commands
import os
import shlex
import subprocess
import sys
import tempfile
BASEDIR = os.path.dirname(os.path.abspath(__file__))
def sh(s, *args):
if args:
s %= args
return shlex.split(s)
label_by_id = {}
for base_image, label in [
('astj/centos5-vault', 'centos5'), # Python 2.4.3
# Debian containers later than debuerreotype/debuerreotype#48 no longer
# ship a stub 'initctl', causing (apparently) the Ansible service
# module run at the end of DebOps to trigger a full stop/start of SSHd.
# When SSHd is killed, Docker responds by destroying the container.
# Proper solution is to include a full /bin/init; Docker --init doesn't
# help. In the meantime, just use a fixed older version.
('debian:stretch-20181112', 'debian'), # Python 2.7.13, 3.5.3
('centos:6', 'centos6'), # Python 2.6.6
('centos:7', 'centos7') # Python 2.7.5
]:
args = sh('docker run --rm -it -d -h mitogen-%s %s /bin/bash',
label, base_image)
container_id = subprocess.check_output(args).strip()
label_by_id[container_id] = label
with tempfile.NamedTemporaryFile() as fp:
fp.write('[all]\n')
for id_, label in label_by_id.items():
fp.write('%s ansible_host=%s\n' % (label, id_))
fp.flush()
try:
subprocess.check_call(
cwd=BASEDIR,
args=sh('ansible-playbook -i %s -c docker setup.yml', fp.name) + sys.argv[1:],
)
for container_id, label in label_by_id.items():
subprocess.check_call(sh('''
docker commit
--change 'EXPOSE 22'
--change 'CMD ["/usr/sbin/sshd", "-D"]'
%s
mitogen/%s-test
''', container_id, label))
finally:
subprocess.check_call(sh('docker rm -f %s', ' '.join(label_by_id)))