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Paunch was deprecated in Ussuri and is now being retired, to be fully replaced by the new tripleo-ansible role, tripleo_container_manage. This patch: - Removes common/container-puppet.py (was only useful when paunch is enabled, since that script was converted to container_puppet_config Ansible module in tripleo-ansible). - Update all comments refering to paunch, and replace by tripleo_container_manage. - Deprecate EnablePaunch parameter. - Remove paunch as python dependencies. Depends-On: https://review.opendev.org/#/c/731545/ Change-Id: I9294677fa18a7efc61898a25103414c8191d8805changes/65/731565/7
Emilien Macchi
2 years ago
21 changed files with 36 additions and 750 deletions
@ -1,576 +0,0 @@
|
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#!/usr/bin/env python |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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|
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# Shell script tool to run puppet inside of the given container image. |
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# Uses the config file at /var/lib/container-puppet/container-puppet.json |
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# as a source for a JSON array of |
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# [config_volume, puppet_tags, manifest, config_image, [volumes]] settings |
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# that can be used to generate config files or run ad-hoc puppet modules |
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# inside of a container. |
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|
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import glob |
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import json |
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import logging |
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import multiprocessing |
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import os |
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import subprocess |
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import sys |
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import tempfile |
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import time |
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from paunch import runner as containers_runner |
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def get_logger(): |
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"""Return a logger object.""" |
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logger = logging.getLogger() |
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ch = logging.StreamHandler(sys.stdout) |
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if os.environ.get('DEBUG') in ['True', 'true']: |
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logger.setLevel(logging.DEBUG) |
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ch.setLevel(logging.DEBUG) |
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else: |
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logger.setLevel(logging.INFO) |
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ch.setLevel(logging.INFO) |
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formatter = logging.Formatter( |
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'%(asctime)s %(levelname)s: %(process)s -- %(message)s' |
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) |
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ch.setFormatter(formatter) |
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logger.addHandler(ch) |
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return logger |
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|
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def local_subprocess_call(cmd, env=None): |
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"""General run method for subprocess calls. |
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:param cmd: list |
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returns: tuple |
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""" |
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subproc = subprocess.Popen( |
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cmd, |
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stdout=subprocess.PIPE, |
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stderr=subprocess.PIPE, |
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universal_newlines=True, |
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env=env |
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) |
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stdout, stderr = subproc.communicate() |
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return stdout, stderr, subproc.returncode |
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|
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|
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def pull_image(name): |
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_, _, rc = local_subprocess_call(cmd=[CLI_CMD, 'inspect', name]) |
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if rc == 0: |
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LOG.info('Image already exists: %s' % name) |
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return |
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|
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retval = -1 |
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count = 0 |
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LOG.info('Pulling image: %s' % name) |
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while retval != 0: |
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count += 1 |
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stdout, stderr, retval = local_subprocess_call( |
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cmd=[CLI_CMD, 'pull', name] |
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) |
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if retval != 0: |
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time.sleep(3) |
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LOG.warning('%s pull failed: %s' % (CONTAINER_CLI, stderr)) |
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LOG.warning('retrying pulling image: %s' % name) |
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if count >= 5: |
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LOG.error('Failed to pull image: %s' % name) |
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break |
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if stdout: |
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LOG.debug(stdout) |
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if stderr: |
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LOG.debug(stderr) |
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|
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def get_config_base(prefix, volume): |
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# crawl the volume's path upwards until we find the |
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# volume's base, where the hashed config file resides |
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path = volume |
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base = prefix.rstrip(os.path.sep) |
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base_generated = os.path.join(base, 'puppet-generated') |
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while path.startswith(prefix): |
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dirname = os.path.dirname(path) |
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if dirname == base or dirname == base_generated: |
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return path |
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else: |
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path = dirname |
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raise ValueError("Could not find config's base for '%s'" % volume) |
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def match_config_volumes(prefix, config): |
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# Match the mounted config volumes - we can't just use the |
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# key as e.g "novacomute" consumes config-data/nova |
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try: |
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volumes = config.get('volumes', []) |
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except AttributeError: |
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LOG.error( |
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'Error fetching volumes. Prefix: %s - Config: %s' % ( |
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prefix, |
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config |
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) |
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) |
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raise |
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return sorted([get_config_base(prefix, v.split(":")[0]) |
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for v in volumes if v.startswith(prefix)]) |
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def get_config_hash(config_volume): |
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hashfile = "%s.md5sum" % config_volume |
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LOG.debug( |
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"Looking for hashfile %s for config_volume %s" % ( |
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hashfile, |
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config_volume |
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) |
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) |
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hash_data = None |
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if os.path.isfile(hashfile): |
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LOG.debug( |
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"Got hashfile %s for config_volume %s" % ( |
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hashfile, |
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config_volume |
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) |
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) |
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with open(hashfile) as f: |
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hash_data = f.read().rstrip() |
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return hash_data |
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|
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def mp_puppet_config(*args): |
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( |
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config_volume, |
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puppet_tags, |
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manifest, |
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config_image, |
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volumes, |
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privileged, |
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check_mode, |
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keep_container |
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) = args[0] |
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LOG.info('Starting configuration of %s using image %s' % |
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(config_volume, config_image)) |
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LOG.debug('config_volume %s' % config_volume) |
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LOG.debug('puppet_tags %s' % puppet_tags) |
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LOG.debug('manifest %s' % manifest) |
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LOG.debug('config_image %s' % config_image) |
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LOG.debug('volumes %s' % volumes) |
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LOG.debug('privileged %s' % privileged) |
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LOG.debug('check_mode %s' % check_mode) |
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LOG.debug('keep_container %s' % keep_container) |
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with tempfile.NamedTemporaryFile() as tmp_man: |
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with open(tmp_man.name, 'w') as man_file: |
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man_file.write('include tripleo::packages\n') |
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man_file.write(manifest) |
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uname = RUNNER.unique_container_name( |
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'container-puppet-%s' % config_volume |
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) |
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LOG.info('Removing container: %s' % uname) |
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RUNNER.remove_container(uname) |
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pull_image(config_image) |
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common_dcmd = [ |
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CLI_CMD, |
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'run', |
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'--user', |
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# Using '0' and not 'root' because it seems podman is susceptible to a race condition |
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# https://bugzilla.redhat.com/show_bug.cgi?id=1776766 and |
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# https://bugs.launchpad.net/tripleo/+bug/1803544 which are still lurking |
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# by using a UID we skip the code that parses /etc/passwd entirely and basically |
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# paper over this issue |
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'0', |
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'--name', |
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uname, |
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'--env', |
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'PUPPET_TAGS=%s' % puppet_tags, |
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'--env', |
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'NAME=%s' % config_volume, |
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'--env', |
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'HOSTNAME=%s' % os.environ.get('SHORT_HOSTNAME'), |
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'--env', |
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'NO_ARCHIVE=%s' % os.environ.get('NO_ARCHIVE', ''), |
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'--env', |
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'STEP=%s' % os.environ.get('STEP', '6'), |
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'--env', |
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'NET_HOST=%s' % os.environ.get('NET_HOST', 'false'), |
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'--env', |
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'DEBUG=%s' % os.environ.get('DEBUG', 'false'), |
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'--volume', |
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'/etc/localtime:/etc/localtime:ro', |
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'--volume', |
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'%s:/etc/config.pp:ro' % tmp_man.name, |
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'--volume', |
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'/etc/puppet/:/tmp/puppet-etc/:ro', |
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# OpenSSL trusted CA injection |
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'--volume', |
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'/etc/pki/ca-trust/extracted:/etc/pki/ca-trust/extracted:ro', |
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'--volume', |
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'/etc/pki/tls/certs/ca-bundle.crt:' |
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'/etc/pki/tls/certs/ca-bundle.crt:ro', |
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'--volume', |
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'/etc/pki/tls/certs/ca-bundle.trust.crt:' |
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'/etc/pki/tls/certs/ca-bundle.trust.crt:ro', |
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'--volume', |
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'/etc/pki/tls/cert.pem:/etc/pki/tls/cert.pem:ro', |
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'--volume', |
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'%s:/var/lib/config-data/:rw' % CONFIG_VOLUME_PREFIX, |
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# facter caching |
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'--volume', |
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'/var/lib/container-puppet/puppetlabs/facter.conf:' |
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'/etc/puppetlabs/facter/facter.conf:ro', |
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'--volume', |
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'/var/lib/container-puppet/puppetlabs/:/opt/puppetlabs/:ro', |
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# Syslog socket for puppet logs |
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'--volume', '/dev/log:/dev/log:rw' |
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] |
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# Remove container by default after the run |
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# This should mitigate the "ghost container" issue described here |
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# https://bugzilla.redhat.com/show_bug.cgi?id=1747885 |
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# https://bugs.launchpad.net/tripleo/+bug/1840691 |
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if not keep_container: |
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common_dcmd.append('--rm') |
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if privileged: |
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common_dcmd.append('--privileged') |
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if CONTAINER_CLI == 'podman': |
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log_path = os.path.join(CONTAINER_LOG_STDOUT_PATH, uname) |
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logging = ['--log-driver', 'k8s-file', |
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'--log-opt', |
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'path=%s.log' % log_path] |
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common_dcmd.extend(logging) |
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elif CONTAINER_CLI == 'docker': |
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# NOTE(flaper87): Always copy the DOCKER_* environment variables as |
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# they contain the access data for the docker daemon. |
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for k in os.environ.keys(): |
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if k.startswith('DOCKER'): |
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ENV[k] = os.environ.get(k) |
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common_dcmd += CLI_DCMD |
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if CHECK_MODE: |
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common_dcmd.extend([ |
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'--volume', |
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'/etc/puppet/check-mode:/tmp/puppet-check-mode:ro']) |
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for volume in volumes: |
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if volume: |
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common_dcmd.extend(['--volume', volume]) |
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common_dcmd.extend(['--entrypoint', SH_SCRIPT]) |
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if os.environ.get('NET_HOST', 'false') == 'true': |
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LOG.debug('NET_HOST enabled') |
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common_dcmd.extend(['--net', 'host', '--volume', |
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'/etc/hosts:/etc/hosts:ro']) |
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else: |
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LOG.debug('running without containers Networking') |
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common_dcmd.extend(['--net', 'none']) |
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# script injection as the last mount to make sure it's accessible |
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# https://github.com/containers/libpod/issues/1844 |
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common_dcmd.extend(['--volume', '%s:%s:ro' % (SH_SCRIPT, SH_SCRIPT)]) |
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common_dcmd.append(config_image) |
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# https://github.com/containers/libpod/issues/1844 |
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# This block will run "CONTAINER_CLI" run 5 times before to fail. |
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retval = -1 |
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count = 0 |
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LOG.debug( |
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'Running %s command: %s' % ( |
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CONTAINER_CLI, |
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' '.join(common_dcmd) |
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) |
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) |
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while count < 3: |
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count += 1 |
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stdout, stderr, retval = local_subprocess_call( |
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cmd=common_dcmd, |
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env=ENV |
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) |
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# puppet with --detailed-exitcodes will return 0 for success and |
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# no changes and 2 for success and resource changes. Other |
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# numbers are failures |
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if retval in [0, 2]: |
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if stdout: |
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LOG.debug('%s run succeeded: %s' % (common_dcmd, stdout)) |
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if stderr: |
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LOG.warning(stderr) |
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# only delete successful runs, for debugging |
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LOG.info('Removing container: %s' % uname) |
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RUNNER.remove_container(uname) |
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break |
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time.sleep(3) |
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LOG.error( |
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'%s run failed after %s attempt(s): %s' % ( |
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common_dcmd, |
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stderr, |
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count |
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) |
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) |
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|
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LOG.info('Removing container: %s' % uname) |
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RUNNER.remove_container(uname) |
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LOG.warning('Retrying running container: %s' % config_volume) |
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else: |
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if stdout: |
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LOG.debug(stdout) |
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if stderr: |
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LOG.debug(stderr) |
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LOG.error('Failed running container for %s' % config_volume) |
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LOG.info( |
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'Finished processing puppet configs for %s' % ( |
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config_volume |
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) |
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) |
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return retval |
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|
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|
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def infile_processing(infiles): |
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for infile in infiles: |
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# If the JSON is already hashed, we'll skip it; and a new hashed file will |
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# be created if config changed. |
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if 'hashed' in infile: |
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LOG.debug('%s skipped, already hashed' % infile) |
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continue |
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with open(infile) as f: |
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infile_data = json.load(f) |
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# if the contents of the file is None, we need should just create an empty |
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# data set see LP#1828295 |
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if not infile_data: |
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infile_data = {} |
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|
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c_name = os.path.splitext(os.path.basename(infile))[0] |
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config_volumes = match_config_volumes( |
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CONFIG_VOLUME_PREFIX, |
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infile_data |
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) |
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config_hashes = [ |
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get_config_hash(volume_path) for volume_path in config_volumes |
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] |
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config_hashes = filter(None, config_hashes) |
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config_hash = '-'.join(config_hashes) |
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if config_hash: |
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LOG.debug( |
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"Updating config hash for %s, hash=%s" % ( |
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c_name, |
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config_hash |
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) |
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) |
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# When python 27 support is removed, we will be able to use: |
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# z = {**x, **y} to merge the dicts. |
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if infile_data.get('environment', None) is None: |
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infile_data['environment'] = {} |
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infile_data['environment'].update( |
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{'TRIPLEO_CONFIG_HASH': config_hash} |
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) |
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|
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outfile = os.path.join( |
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os.path.dirname( |
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infile |
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), "hashed-" + os.path.basename(infile) |
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) |
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with open(outfile, 'w') as out_f: |
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os.chmod(out_f.name, 0o600) |
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json.dump(infile_data, out_f, indent=2) |
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|
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|
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if __name__ == '__main__': |
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PUPPETS = ( |
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'/usr/share/openstack-puppet/modules/:' |
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'/usr/share/openstack-puppet/modules/:ro' |
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) |
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SH_SCRIPT = '/var/lib/container-puppet/container-puppet.sh' |
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CONTAINER_CLI = os.environ.get('CONTAINER_CLI', 'podman') |
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CONTAINER_LOG_STDOUT_PATH = os.environ.get( |
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'CONTAINER_LOG_STDOUT_PATH', |
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'/var/log/containers/stdouts' |
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) |
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CLI_CMD = '/usr/bin/' + CONTAINER_CLI |
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LOG = get_logger() |
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LOG.info('Running container-puppet') |
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CONFIG_VOLUME_PREFIX = os.path.abspath( |
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os.environ.get( |
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'CONFIG_VOLUME_PREFIX', |
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'/var/lib/config-data' |
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) |
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) |
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CHECK_MODE = int(os.environ.get('CHECK_MODE', 0)) |
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LOG.debug('CHECK_MODE: %s' % CHECK_MODE) |
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if CONTAINER_CLI == 'docker': |
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CLI_DCMD = ['--volume', PUPPETS] |
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ENV = {} |
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RUNNER = containers_runner.DockerRunner( |
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'container-puppet', |
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cont_cmd='docker', |
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log=LOG |
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) |
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elif CONTAINER_CLI == 'podman': |
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# podman doesn't allow relabeling content in /usr and |
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# doesn't support named volumes |
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CLI_DCMD = [ |
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'--security-opt', |
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'label=disable', |
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'--volume', |
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PUPPETS |
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] |
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# podman need to find dependent binaries that are in environment |
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ENV = {'PATH': os.environ['PATH']} |
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RUNNER = containers_runner.PodmanRunner( |
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'container-puppet', |
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cont_cmd='podman', |
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log=LOG |
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) |
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else: |
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LOG.error('Invalid CONTAINER_CLI: %s' % CONTAINER_CLI) |
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raise SystemExit() |
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|
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config_file = os.environ.get( |
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'CONFIG', |
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'/var/lib/container-puppet/container-puppet.json' |
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) |
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LOG.debug('CONFIG: %s' % config_file) |
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# If specified, only this config_volume will be used |
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CONFIG_VOLUME_ONLY = os.environ.get('CONFIG_VOLUME', None) |
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with open(config_file) as f: |
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JSON_DATA = json.load(f) |
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|
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# To save time we support configuring 'shared' services at the same |
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# time. For example configuring all of the heat services |
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# in a single container pass makes sense and will save some time. |
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# To support this we merge shared settings together here. |
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# |
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# We key off of config_volume as this should be the same for a |
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# given group of services. We are also now specifying the container |
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# in which the services should be configured. This should match |
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# in all instances where the volume name is also the same. |
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CONFIGS = {} |
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for service in (JSON_DATA or []): |
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if service is None: |
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continue |
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if isinstance(service, dict): |
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service = [ |
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service.get('config_volume'), |
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service.get('puppet_tags'), |
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service.get('step_config'), |
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service.get('config_image'), |
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service.get('volumes', []), |
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service.get('privileged', False), |
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] |
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|
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CONFIG_VOLUME = service[0] or '' |
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PUPPET_TAGS = service[1] or '' |
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MANIFEST = service[2] or '' |
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CONFIG_IMAGE = service[3] or '' |
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VOLUMES = service[4] if len(service) > 4 else [] |
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|
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if not MANIFEST or not CONFIG_IMAGE: |
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continue |
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|
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LOG.debug('config_volume %s' % CONFIG_VOLUME) |
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LOG.debug('puppet_tags %s' % PUPPET_TAGS) |
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LOG.debug('manifest %s' % MANIFEST) |
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LOG.debug('config_image %s' % CONFIG_IMAGE) |
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LOG.debug('volumes %s' % VOLUMES) |
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LOG.debug('privileged %s' % service[5] if len(service) > 5 else False) |
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# We key off of config volume for all configs. |
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if CONFIG_VOLUME in CONFIGS: |
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# Append puppet tags and manifest. |
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LOG.debug("Existing service, appending puppet tags and manifest") |
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if PUPPET_TAGS: |
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CONFIGS[CONFIG_VOLUME][1] = '%s,%s' % ( |
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CONFIGS[CONFIG_VOLUME][1], |
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PUPPET_TAGS |
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) |
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if MANIFEST: |
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CONFIGS[CONFIG_VOLUME][2] = '%s\n%s' % ( |
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CONFIGS[CONFIG_VOLUME][2], |
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MANIFEST |
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) |
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if CONFIGS[CONFIG_VOLUME][3] != CONFIG_IMAGE: |
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LOG.warning("Config containers do not match even though" |
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" shared volumes are the same!") |
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if VOLUMES: |
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CONFIGS[CONFIG_VOLUME][4].extend(VOLUMES) |
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|
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else: |
||||
if not CONFIG_VOLUME_ONLY or (CONFIG_VOLUME_ONLY == CONFIG_VOLUME): |
||||
LOG.debug("Adding new service") |
||||
CONFIGS[CONFIG_VOLUME] = service |
||||
else: |
||||
LOG.debug( |
||||
"Ignoring %s due to $CONFIG_VOLUME=%s" % ( |
||||
CONFIG_VOLUME, |
||||
CONFIG_VOLUME_ONLY |
||||
) |
||||
) |
||||
|
||||
LOG.info('Service compilation completed.') |
||||
|
||||
# Holds all the information for each process to consume. |
||||
# Instead of starting them all linearly we run them using a process |
||||
# pool. This creates a list of arguments for the above function |
||||
# to consume. |
||||
PROCESS_MAP = [] |
||||
for config_volume in CONFIGS: |
||||
|
||||
SERVICE = CONFIGS[config_volume] |
||||
PUPPET_TAGS = SERVICE[1] or '' |
||||
|
||||
if PUPPET_TAGS: |
||||
PUPPET_TAGS = "file,file_line,concat,augeas,cron,%s" % PUPPET_TAGS |
||||
else: |
||||
PUPPET_TAGS = "file,file_line,concat,augeas,cron" |
||||
|
||||
PROCESS_ITEM = [ |
||||
config_volume, |
||||
PUPPET_TAGS, |
||||
SERVICE[2] or '', |
||||
SERVICE[3] or '', |
||||
SERVICE[4] if len(SERVICE) > 4 else [], |
||||
SERVICE[5] if len(SERVICE) > 5 else False, |
||||
CHECK_MODE, |
||||
SERVICE[6] if len(SERVICE) > 6 else False |
||||
] |
||||
PROCESS_MAP.append(PROCESS_ITEM) |
||||
LOG.debug('- %s' % PROCESS_ITEM) |
||||
|
||||
# Fire off processes to perform each configuration. Defaults |
||||
# to the number of CPUs on the system. |
||||
PROCESS = multiprocessing.Pool(int(os.environ.get('PROCESS_COUNT', 2))) |
||||
RETURNCODES = list(PROCESS.map(mp_puppet_config, PROCESS_MAP)) |
||||
CONFIG_VOLUMES = [pm[0] for pm in PROCESS_MAP] |
||||
SUCCESS = True |
||||
for returncode, config_volume in zip(RETURNCODES, CONFIG_VOLUMES): |
||||
if returncode not in [0, 2]: |
||||
LOG.error('ERROR configuring %s' % config_volume) |
||||
SUCCESS = False |
||||
|
||||
# Update the startup configs with the config hash we generated above |
||||
STARTUP_CONFIGS = os.environ.get( |
||||
'STARTUP_CONFIG_PATTERN', |
||||
'/var/lib/tripleo-config/' |
||||
'container-startup-config/' |
||||
'step_' + os.environ.get('STEP', '6') + '/*.json' |
||||
) |
||||
LOG.debug('STARTUP_CONFIG_PATTERN: %s' % STARTUP_CONFIGS) |
||||
# Run infile processing |
||||
infile_processing(infiles=glob.glob(STARTUP_CONFIGS)) |
||||
|
||||
if not SUCCESS: |
||||
raise SystemExit(1) |
||||
@ -1,6 +1,4 @@
|
||||
# This heat environment can be used to disable Paunch to manage containers.. |
||||
# When Paunch is disabled, the containers not managed by Pacemaker will be |
||||
# deployed by TripleO Ansible, in tripleo-container-manage role. |
||||
# This environment is deprecated as Paunch is being retired. |
||||
|
||||
parameter_defaults: |
||||
EnablePaunch: false |
||||
|
||||
@ -0,0 +1,5 @@
|
||||
--- |
||||
deprecations: |
||||
- | |
||||
Paunch was deprecated in Ussuri and is now being retired, to be fully |
||||
replaced by the new tripleo-ansible role, tripleo_container_manage. |
||||
Loading…
Reference in new issue