390 lines
15 KiB
Python
Executable File
390 lines
15 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
# Shell script tool to run puppet inside of the given docker container image.
|
|
# Uses the config file at /var/lib/docker-puppet/docker-puppet.json as a source for a JSON
|
|
# array of [config_volume, puppet_tags, manifest, config_image, [volumes]] settings
|
|
# that can be used to generate config files or run ad-hoc puppet modules
|
|
# inside of a container.
|
|
|
|
import glob
|
|
import json
|
|
import logging
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
import tempfile
|
|
import time
|
|
import multiprocessing
|
|
|
|
logger = None
|
|
|
|
|
|
def get_logger():
|
|
global logger
|
|
if logger is None:
|
|
logger = logging.getLogger()
|
|
ch = logging.StreamHandler(sys.stdout)
|
|
if os.environ.get('DEBUG', False):
|
|
logger.setLevel(logging.DEBUG)
|
|
ch.setLevel(logging.DEBUG)
|
|
else:
|
|
logger.setLevel(logging.INFO)
|
|
ch.setLevel(logging.INFO)
|
|
formatter = logging.Formatter('%(asctime)s %(levelname)s: '
|
|
'%(process)s -- %(message)s')
|
|
ch.setFormatter(formatter)
|
|
logger.addHandler(ch)
|
|
return logger
|
|
|
|
|
|
# this is to match what we do in deployed-server
|
|
def short_hostname():
|
|
subproc = subprocess.Popen(['hostname', '-s'],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
cmd_stdout, cmd_stderr = subproc.communicate()
|
|
return cmd_stdout.rstrip()
|
|
|
|
|
|
def pull_image(name):
|
|
log.info('Pulling image: %s' % name)
|
|
retval = -1
|
|
count = 0
|
|
while retval != 0:
|
|
count += 1
|
|
subproc = subprocess.Popen(['/usr/bin/docker', 'pull', name],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
|
|
cmd_stdout, cmd_stderr = subproc.communicate()
|
|
retval = subproc.returncode
|
|
if retval != 0:
|
|
time.sleep(3)
|
|
log.warning('docker pull failed: %s' % cmd_stderr)
|
|
log.warning('retrying pulling image: %s' % name)
|
|
if count >= 5:
|
|
log.error('Failed to pull image: %s' % name)
|
|
break
|
|
if cmd_stdout:
|
|
log.debug(cmd_stdout)
|
|
if cmd_stderr:
|
|
log.debug(cmd_stderr)
|
|
|
|
|
|
def match_config_volumes(prefix, config):
|
|
# Match the mounted config volumes - we can't just use the
|
|
# key as e.g "novacomute" consumes config-data/nova
|
|
volumes = config.get('volumes', [])
|
|
return sorted([os.path.dirname(v.split(":")[0]) for v in volumes if
|
|
v.startswith(prefix)])
|
|
|
|
|
|
def get_config_hash(config_volume):
|
|
hashfile = "%s.md5sum" % config_volume
|
|
log.debug("Looking for hashfile %s for config_volume %s" % (hashfile, config_volume))
|
|
hash_data = None
|
|
if os.path.isfile(hashfile):
|
|
log.debug("Got hashfile %s for config_volume %s" % (hashfile, config_volume))
|
|
with open(hashfile) as f:
|
|
hash_data = f.read().rstrip()
|
|
return hash_data
|
|
|
|
|
|
def rm_container(name):
|
|
if os.environ.get('SHOW_DIFF', None):
|
|
log.info('Diffing container: %s' % name)
|
|
subproc = subprocess.Popen(['/usr/bin/docker', 'diff', name],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
cmd_stdout, cmd_stderr = subproc.communicate()
|
|
if cmd_stdout:
|
|
log.debug(cmd_stdout)
|
|
if cmd_stderr:
|
|
log.debug(cmd_stderr)
|
|
|
|
log.info('Removing container: %s' % name)
|
|
subproc = subprocess.Popen(['/usr/bin/docker', 'rm', name],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE)
|
|
cmd_stdout, cmd_stderr = subproc.communicate()
|
|
if cmd_stdout:
|
|
log.debug(cmd_stdout)
|
|
if cmd_stderr and \
|
|
cmd_stderr != 'Error response from daemon: ' \
|
|
'No such container: {}\n'.format(name):
|
|
log.debug(cmd_stderr)
|
|
|
|
process_count = int(os.environ.get('PROCESS_COUNT',
|
|
multiprocessing.cpu_count()))
|
|
log = get_logger()
|
|
log.info('Running docker-puppet')
|
|
config_file = os.environ.get('CONFIG', '/var/lib/docker-puppet/docker-puppet.json')
|
|
log.debug('CONFIG: %s' % config_file)
|
|
with open(config_file) as f:
|
|
json_data = json.load(f)
|
|
|
|
# To save time we support configuring 'shared' services at the same
|
|
# time. For example configuring all of the heat services
|
|
# in a single container pass makes sense and will save some time.
|
|
# To support this we merge shared settings together here.
|
|
#
|
|
# We key off of config_volume as this should be the same for a
|
|
# given group of services. We are also now specifying the container
|
|
# in which the services should be configured. This should match
|
|
# in all instances where the volume name is also the same.
|
|
|
|
configs = {}
|
|
|
|
for service in (json_data or []):
|
|
if service is None:
|
|
continue
|
|
if isinstance(service, dict):
|
|
service = [
|
|
service.get('config_volume'),
|
|
service.get('puppet_tags'),
|
|
service.get('step_config'),
|
|
service.get('config_image'),
|
|
service.get('volumes', []),
|
|
]
|
|
|
|
config_volume = service[0] or ''
|
|
puppet_tags = service[1] or ''
|
|
manifest = service[2] or ''
|
|
config_image = service[3] or ''
|
|
volumes = service[4] if len(service) > 4 else []
|
|
|
|
if not manifest or not config_image:
|
|
continue
|
|
|
|
log.debug('config_volume %s' % config_volume)
|
|
log.debug('puppet_tags %s' % puppet_tags)
|
|
log.debug('manifest %s' % manifest)
|
|
log.debug('config_image %s' % config_image)
|
|
log.debug('volumes %s' % volumes)
|
|
# We key off of config volume for all configs.
|
|
if config_volume in configs:
|
|
# Append puppet tags and manifest.
|
|
log.debug("Existing service, appending puppet tags and manifest")
|
|
if puppet_tags:
|
|
configs[config_volume][1] = '%s,%s' % (configs[config_volume][1],
|
|
puppet_tags)
|
|
if manifest:
|
|
configs[config_volume][2] = '%s\n%s' % (configs[config_volume][2],
|
|
manifest)
|
|
if configs[config_volume][3] != config_image:
|
|
log.warn("Config containers do not match even though"
|
|
" shared volumes are the same!")
|
|
else:
|
|
log.debug("Adding new service")
|
|
configs[config_volume] = service
|
|
|
|
log.info('Service compilation completed.')
|
|
|
|
|
|
def mp_puppet_config((config_volume, puppet_tags, manifest, config_image, volumes)):
|
|
log = get_logger()
|
|
log.info('Starting configuration of %s using image %s' % (config_volume,
|
|
config_image))
|
|
log.debug('config_volume %s' % config_volume)
|
|
log.debug('puppet_tags %s' % puppet_tags)
|
|
log.debug('manifest %s' % manifest)
|
|
log.debug('config_image %s' % config_image)
|
|
log.debug('volumes %s' % volumes)
|
|
sh_script = '/var/lib/docker-puppet/docker-puppet.sh'
|
|
|
|
with open(sh_script, 'w') as script_file:
|
|
os.chmod(script_file.name, 0755)
|
|
script_file.write("""#!/bin/bash
|
|
set -ex
|
|
mkdir -p /etc/puppet
|
|
cp -a /tmp/puppet-etc/* /etc/puppet
|
|
rm -Rf /etc/puppet/ssl # not in use and causes permission errors
|
|
echo "{\\"step\\": $STEP}" > /etc/puppet/hieradata/docker.json
|
|
TAGS=""
|
|
if [ -n "$PUPPET_TAGS" ]; then
|
|
TAGS="--tags \"$PUPPET_TAGS\""
|
|
fi
|
|
|
|
# Create a reference timestamp to easily find all files touched by
|
|
# puppet. The sync ensures we get all the files we want due to
|
|
# different timestamp.
|
|
touch /tmp/the_origin_of_time
|
|
sync
|
|
|
|
FACTER_hostname=$HOSTNAME FACTER_uuid=docker /usr/bin/puppet apply \
|
|
--color=false --logdest syslog --logdest console $TAGS /etc/config.pp
|
|
|
|
# Disables archiving
|
|
if [ -z "$NO_ARCHIVE" ]; then
|
|
archivedirs=("/etc" "/root" "/opt" "/var/lib/ironic/tftpboot" "/var/lib/ironic/httpboot" "/var/www" "/var/spool/cron" "/var/lib/nova/.ssh")
|
|
rsync_srcs=""
|
|
for d in "${archivedirs[@]}"; do
|
|
if [ -d "$d" ]; then
|
|
rsync_srcs+=" $d"
|
|
fi
|
|
done
|
|
rsync -a -R --delay-updates --delete-after $rsync_srcs /var/lib/config-data/${NAME}
|
|
|
|
# Also make a copy of files modified during puppet run
|
|
# This is useful for debugging
|
|
mkdir -p /var/lib/config-data/puppet-generated/${NAME}
|
|
rsync -a -R -0 --delay-updates --delete-after \
|
|
--files-from=<(find $rsync_srcs -newer /tmp/the_origin_of_time -not -path '/etc/puppet*' -print0) \
|
|
/ /var/lib/config-data/puppet-generated/${NAME}
|
|
|
|
# Write a checksum of the config-data dir, this is used as a
|
|
# salt to trigger container restart when the config changes
|
|
tar -c -f - /var/lib/config-data/${NAME} --mtime='1970-01-01' | md5sum | awk '{print $1}' > /var/lib/config-data/${NAME}.md5sum
|
|
tar -c -f - /var/lib/config-data/puppet-generated/${NAME} --mtime='1970-01-01' | md5sum | awk '{print $1}' > /var/lib/config-data/puppet-generated/${NAME}.md5sum
|
|
fi
|
|
""")
|
|
|
|
with tempfile.NamedTemporaryFile() as tmp_man:
|
|
with open(tmp_man.name, 'w') as man_file:
|
|
man_file.write('include ::tripleo::packages\n')
|
|
man_file.write(manifest)
|
|
|
|
rm_container('docker-puppet-%s' % config_volume)
|
|
pull_image(config_image)
|
|
|
|
dcmd = ['/usr/bin/docker', 'run',
|
|
'--user', 'root',
|
|
'--name', 'docker-puppet-%s' % config_volume,
|
|
'--env', 'PUPPET_TAGS=%s' % puppet_tags,
|
|
'--env', 'NAME=%s' % config_volume,
|
|
'--env', 'HOSTNAME=%s' % short_hostname(),
|
|
'--env', 'NO_ARCHIVE=%s' % os.environ.get('NO_ARCHIVE', ''),
|
|
'--env', 'STEP=%s' % os.environ.get('STEP', '6'),
|
|
'--volume', '%s:/etc/config.pp:ro' % tmp_man.name,
|
|
'--volume', '/etc/puppet/:/tmp/puppet-etc/:ro',
|
|
'--volume', '/usr/share/openstack-puppet/modules/:/usr/share/openstack-puppet/modules/:ro',
|
|
'--volume', '%s:/var/lib/config-data/:rw' % os.environ.get('CONFIG_VOLUME_PREFIX', '/var/lib/config-data'),
|
|
'--volume', 'tripleo_logs:/var/log/tripleo/',
|
|
# Syslog socket for puppet logs
|
|
'--volume', '/dev/log:/dev/log',
|
|
# OpenSSL trusted CA injection
|
|
'--volume', '/etc/pki/ca-trust/extracted:/etc/pki/ca-trust/extracted:ro',
|
|
'--volume', '/etc/pki/tls/certs/ca-bundle.crt:/etc/pki/tls/certs/ca-bundle.crt:ro',
|
|
'--volume', '/etc/pki/tls/certs/ca-bundle.trust.crt:/etc/pki/tls/certs/ca-bundle.trust.crt:ro',
|
|
'--volume', '/etc/pki/tls/cert.pem:/etc/pki/tls/cert.pem:ro',
|
|
# script injection
|
|
'--volume', '%s:%s:rw' % (sh_script, sh_script) ]
|
|
|
|
for volume in volumes:
|
|
if volume:
|
|
dcmd.extend(['--volume', volume])
|
|
|
|
dcmd.extend(['--entrypoint', sh_script])
|
|
|
|
env = {}
|
|
# NOTE(flaper87): Always copy the DOCKER_* environment variables as
|
|
# they contain the access data for the docker daemon.
|
|
for k in filter(lambda k: k.startswith('DOCKER'), os.environ.keys()):
|
|
env[k] = os.environ.get(k)
|
|
|
|
if os.environ.get('NET_HOST', 'false') == 'true':
|
|
log.debug('NET_HOST enabled')
|
|
dcmd.extend(['--net', 'host', '--volume',
|
|
'/etc/hosts:/etc/hosts:ro'])
|
|
dcmd.append(config_image)
|
|
log.debug('Running docker command: %s' % ' '.join(dcmd))
|
|
|
|
subproc = subprocess.Popen(dcmd, stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE, env=env)
|
|
cmd_stdout, cmd_stderr = subproc.communicate()
|
|
if subproc.returncode != 0:
|
|
log.error('Failed running docker-puppet.py for %s' % config_volume)
|
|
if cmd_stdout:
|
|
log.error(cmd_stdout)
|
|
if cmd_stderr:
|
|
log.error(cmd_stderr)
|
|
else:
|
|
if cmd_stdout:
|
|
log.debug(cmd_stdout)
|
|
if cmd_stderr:
|
|
log.debug(cmd_stderr)
|
|
# only delete successful runs, for debugging
|
|
rm_container('docker-puppet-%s' % config_volume)
|
|
|
|
log.info('Finished processing puppet configs for %s' % (config_volume))
|
|
return subproc.returncode
|
|
|
|
# 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 ''
|
|
manifest = service[2] or ''
|
|
config_image = service[3] or ''
|
|
volumes = service[4] if len(service) > 4 else []
|
|
|
|
if puppet_tags:
|
|
puppet_tags = "file,file_line,concat,augeas,cron,%s" % puppet_tags
|
|
else:
|
|
puppet_tags = "file,file_line,concat,augeas,cron"
|
|
|
|
process_map.append([config_volume, puppet_tags, manifest, config_image, volumes])
|
|
|
|
for p in process_map:
|
|
log.debug('- %s' % p)
|
|
|
|
# Fire off processes to perform each configuration. Defaults
|
|
# to the number of CPUs on the system.
|
|
log.info('Starting multiprocess configuration steps. Using %d processes.' %
|
|
process_count)
|
|
p = multiprocessing.Pool(process_count)
|
|
returncodes = list(p.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 != 0:
|
|
log.error('ERROR configuring %s' % config_volume)
|
|
success = False
|
|
|
|
|
|
# Update the startup configs with the config hash we generated above
|
|
config_volume_prefix = os.environ.get('CONFIG_VOLUME_PREFIX', '/var/lib/config-data')
|
|
log.debug('CONFIG_VOLUME_PREFIX: %s' % config_volume_prefix)
|
|
startup_configs = os.environ.get('STARTUP_CONFIG_PATTERN', '/var/lib/tripleo-config/docker-container-startup-config-step_*.json')
|
|
log.debug('STARTUP_CONFIG_PATTERN: %s' % startup_configs)
|
|
infiles = glob.glob('/var/lib/tripleo-config/docker-container-startup-config-step_*.json')
|
|
for infile in infiles:
|
|
with open(infile) as f:
|
|
infile_data = json.load(f)
|
|
|
|
for k, v in infile_data.iteritems():
|
|
config_volumes = match_config_volumes(config_volume_prefix, v)
|
|
config_hashes = [get_config_hash(volume_path) for volume_path in config_volumes]
|
|
config_hashes = filter(None, config_hashes)
|
|
config_hash = '-'.join(config_hashes)
|
|
if config_hash:
|
|
env = v.get('environment', [])
|
|
env.append("TRIPLEO_CONFIG_HASH=%s" % config_hash)
|
|
log.debug("Updating config hash for %s, config_volume=%s hash=%s" % (k, config_volume, config_hash))
|
|
infile_data[k]['environment'] = env
|
|
|
|
outfile = os.path.join(os.path.dirname(infile), "hashed-" + os.path.basename(infile))
|
|
with open(outfile, 'w') as out_f:
|
|
os.chmod(out_f.name, 0600)
|
|
json.dump(infile_data, out_f, indent=2)
|
|
|
|
if not success:
|
|
sys.exit(1)
|