Kolla provides production-ready containers and deployment tools for operating OpenStack clouds
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#!/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.
import contextlib
import datetime
import errno
import json
import logging
import os
import queue
import re
import requests
import shutil
import sys
import tarfile
import tempfile
import threading
import time
from distutils.version import StrictVersion
import docker
from enum import Enum
import git
import jinja2
from oslo_config import cfg
from requests import exceptions as requests_exc
# NOTE(SamYaple): Update the search path to prefer PROJECT_ROOT as the source
# of packages to import if we are using local tools instead of
# pip installed kolla tools
PROJECT_ROOT = os.path.abspath(os.path.join(
os.path.dirname(os.path.realpath(__file__)), '../..'))
if PROJECT_ROOT not in sys.path:
sys.path.insert(0, PROJECT_ROOT)
from kolla.common import config as common_config # noqa
from kolla.common import task # noqa
from kolla.common import utils # noqa
from kolla import exception # noqa
from kolla.template import filters as jinja_filters # noqa
from kolla.template import methods as jinja_methods # noqa
from kolla import version # noqa
class Status(Enum):
CONNECTION_ERROR = 'connection_error'
PUSH_ERROR = 'push_error'
ERROR = 'error'
PARENT_ERROR = 'parent_error'
BUILT = 'built'
BUILDING = 'building'
UNMATCHED = 'unmatched'
MATCHED = 'matched'
UNPROCESSED = 'unprocessed'
SKIPPED = 'skipped'
UNBUILDABLE = 'unbuildable'
# All error status constants.
STATUS_ERRORS = (Status.CONNECTION_ERROR, Status.PUSH_ERROR,
Status.ERROR, Status.PARENT_ERROR)
LOG = utils.make_a_logger()
# The dictionary of unbuildable images supports keys in the format:
# '<distro>+<installation_type>+<arch>' where each component is optional
# and can be omitted along with the + separator which means that component
# is irrelevant. Otherwise all must match for skip to happen.
UNBUILDABLE_IMAGES = {
'aarch64': {
"bifrost-base", # someone need to get upstream working first
"prometheus-mtail", # no aarch64 binary
"skydive-base", # no aarch64 binary
},
'ppc64le': {
"elasticsearch", # no binary package
"grafana", # no binary package
"monasca-grafana", # no phantomJS
"prometheus-base", # no ppc64le binaries
"skydive-base", # no ppc64le binaries
"telegraf", # no binary package
"xtrabackup", # no binary package
},
'binary': {
"bifrost-base",
"blazar-base",
"cyborg-base",
"freezer-base",
"kuryr-base",
"monasca-base",
"monasca-thresh",
"solum-base",
"vmtp",
"zun-base",
},
'source+aarch64': {
"monasca-base", # pypi 'confluent-kafka' requires newer libfdkafka-dev
# than distributions have
"tempest", # same reason as 'monasca-base'
},
'source+ppc64le': {
"monasca-base", # pypi 'confluent-kafka' requires newer libfdkafka-dev
# than distributions have
"tempest", # same reason as 'monasca-base'
},
'centos': {
"hacluster-pcs", # Missing crmsh package
"nova-spicehtml5proxy", # Missing spicehtml5 package
"ovsdpdk", # Not supported on CentOS
"tgtd", # Not supported on CentOS 8
},
'debian': {
"bifrost-base", # tries to install 'mysql-server' which is not in
# Debian 'buster'
"ovn-base", # needs more checking
"qdrouterd",
},
'ubuntu': {
"qdrouterd", # There is no qdrouterd package for ubuntu bionic
},
'ubuntu+aarch64': {
"kibana", # no binary package
},
'centos+aarch64': {
"hacluster-pcs", # no binary package
"influxdb", # no binary package
"kibana", # no binary package
"telegraf", # no binary package
},
'centos+ppc64le': {
"hacluster-pcs", # no binary package
"influxdb", # no binary package
"kibana", # no binary package
},
"centos+binary": {
"masakari-base",
},
'debian+binary': {
"cloudkitty-base", # no support in Dockerfile
"ironic-neutron-agent", # no support in Dockerfile
"nova-serialproxy", # no binary package
"tacker-base", # no binary package
},
'ubuntu+binary': {
"cloudkitty-base",
"ironic-neutron-agent",
"rally",
"senlin-conductor", # no binary package
"senlin-health-manager", # no binary package
"tacker-base",
"vitrage-base",
"neutron-mlnx-agent",
},
}
# NOTE(hrw): all non-infra images and their children
BINARY_SOURCE_IMAGES = [
'kolla-toolbox',
'openstack-base',
'monasca-thresh',
]
class ArchivingError(Exception):
pass
@contextlib.contextmanager
def join_many(threads):
try:
yield
for t in threads:
t.join()
except KeyboardInterrupt:
try:
LOG.info('Waiting for daemon threads exit. Push Ctrl + c again to'
' force exit')
for t in threads:
if t.is_alive():
LOG.debug('Waiting thread %s to exit', t.name)
# NOTE(Jeffrey4l): Python Bug: When join without timeout,
# KeyboardInterrupt is never sent.
t.join(0xffff)
LOG.debug('Thread %s exits', t.name)
except KeyboardInterrupt:
LOG.warning('Force exits')
class DockerTask(task.Task):
docker_kwargs = docker.utils.kwargs_from_env()
def __init__(self):
super(DockerTask, self).__init__()
self._dc = None
@property
def dc(self):
if self._dc is not None:
return self._dc
docker_kwargs = self.docker_kwargs.copy()
self._dc = docker.APIClient(version='auto', **docker_kwargs)
return self._dc
class Image(object):
def __init__(self, name, canonical_name, path, parent_name='',
status=Status.UNPROCESSED, parent=None,
source=None, logger=None, docker_client=None):
self.name = name
self.canonical_name = canonical_name
self.path = path
self.status = status
self.parent = parent
self.source = source
self.parent_name = parent_name
if logger is None:
logger = utils.make_a_logger(image_name=name)
self.logger = logger
self.children = []
self.plugins = []
self.additions = []
self.dc = docker_client
def copy(self):
c = Image(self.name, self.canonical_name, self.path,
logger=self.logger, parent_name=self.parent_name,
status=self.status, parent=self.parent)
if self.source:
c.source = self.source.copy()
if self.children:
c.children = list(self.children)
if self.plugins:
c.plugins = list(self.plugins)
if self.additions:
c.additions = list(self.additions)
return c
def in_docker_cache(self):
return len(self.dc.images(name=self.canonical_name, quiet=True)) == 1
def __repr__(self):
return ("Image(%s, %s, %s, parent_name=%s,"
" status=%s, parent=%s, source=%s)") % (
self.name, self.canonical_name, self.path,
self.parent_name, self.status, self.parent, self.source)
class PushIntoQueueTask(task.Task):
"""Task that pushes some other task into a queue."""
def __init__(self, push_task, push_queue):
super(PushIntoQueueTask, self).__init__()
self.push_task = push_task
self.push_queue = push_queue
@property
def name(self):
return 'PushIntoQueueTask(%s)' % (self.push_task.name)
def run(self):
self.push_queue.put(self.push_task)
self.success = True
class PushError(Exception):
"""Raised when there is a problem with pushing image to repository."""
pass
class PushTask(DockerTask):
"""Task that pushes an image to a docker repository."""
def __init__(self, conf, image):
super(PushTask, self).__init__()
self.conf = conf
self.image = image
self.logger = image.logger
@property
def name(self):
return 'PushTask(%s)' % self.image.name
def run(self):
image = self.image
self.logger.info('Trying to push the image')
try:
self.push_image(image)
except requests_exc.ConnectionError:
self.logger.exception('Make sure Docker is running and that you'
' have the correct privileges to run Docker'
' (root)')
image.status = Status.CONNECTION_ERROR
except PushError as exception:
self.logger.error(exception)
image.status = Status.PUSH_ERROR
except Exception:
self.logger.exception('Unknown error when pushing')
image.status = Status.PUSH_ERROR
finally:
if (image.status not in STATUS_ERRORS and
image.status != Status.UNPROCESSED):
self.logger.info('Pushed successfully')
self.success = True
else:
self.success = False
def push_image(self, image):
kwargs = dict(stream=True, decode=True)
# Since docker 3.0.0, the argument of 'insecure_registry' is removed.
# To be compatible, set 'insecure_registry=True' for old releases.
dc_running_ver = StrictVersion(docker.version)
if dc_running_ver < StrictVersion('3.0.0'):
kwargs['insecure_registry'] = True
for response in self.dc.push(image.canonical_name, **kwargs):
if 'stream' in response:
self.logger.info(response['stream'])
elif 'errorDetail' in response:
raise PushError(response['errorDetail']['message'])
# Reset any previous errors.
image.status = Status.BUILT
class BuildTask(DockerTask):
"""Task that builds out an image."""
def __init__(self, conf, image, push_queue):
super(BuildTask, self).__init__()
self.conf = conf
self.image = image
self.push_queue = push_queue
self.forcerm = not conf.keep
self.logger = image.logger
@property
def name(self):
return 'BuildTask(%s)' % self.image.name
def run(self):
self.builder(self.image)
if self.image.status in (Status.BUILT, Status.SKIPPED):
self.success = True
@property
def followups(self):
followups = []
if self.conf.push and self.success:
followups.extend([
# If we are supposed to push the image into a docker
# repository, then make sure we do that...
PushIntoQueueTask(
PushTask(self.conf, self.image),
self.push_queue),
])
if self.image.children and self.success:
for image in self.image.children:
if image.status in (Status.UNMATCHED, Status.SKIPPED,
Status.UNBUILDABLE):
continue
followups.append(BuildTask(self.conf, image, self.push_queue))
return followups
def process_source(self, image, source):
dest_archive = os.path.join(image.path, source['name'] + '-archive')
if source.get('type') == 'url':
self.logger.debug("Getting archive from %s", source['source'])
try:
r = requests.get(source['source'], timeout=self.conf.timeout)
except requests_exc.Timeout:
self.logger.exception(
'Request timed out while getting archive from %s',
source['source'])
image.status = Status.ERROR
return
if r.status_code == 200:
with open(dest_archive, 'wb') as f:
f.write(r.content)
else:
self.logger.error(
'Failed to download archive: status_code %s',
r.status_code)
image.status = Status.ERROR
return
elif source.get('type') == 'git':
clone_dir = '{}-{}'.format(dest_archive,
source['reference'].replace('/', '-'))
if os.path.exists(clone_dir):
self.logger.info("Clone dir %s exists. Removing it.",
clone_dir)
shutil.rmtree(clone_dir)
try:
self.logger.debug("Cloning from %s", source['source'])
git.Git().clone(source['source'], clone_dir)
git.Git(clone_dir).checkout(source['reference'])
reference_sha = git.Git(clone_dir).rev_parse('HEAD')
self.logger.debug("Git checkout by reference %s (%s)",
source['reference'], reference_sha)
except Exception as e:
self.logger.error("Failed to get source from git", image.name)
self.logger.error("Error: %s", e)
# clean-up clone folder to retry
shutil.rmtree(clone_dir)
image.status = Status.ERROR
return
with tarfile.open(dest_archive, 'w') as tar:
tar.add(clone_dir, arcname=os.path.basename(clone_dir))
elif source.get('type') == 'local':
self.logger.debug("Getting local archive from %s",
source['source'])
if os.path.isdir(source['source']):
with tarfile.open(dest_archive, 'w') as tar:
tar.add(source['source'],
arcname=os.path.basename(source['source']))
else:
shutil.copyfile(source['source'], dest_archive)
else:
self.logger.error("Wrong source type '%s'", source.get('type'))
image.status = Status.ERROR
return
# Set time on destination archive to epoch 0
os.utime(dest_archive, (0, 0))
return dest_archive
def update_buildargs(self):
buildargs = dict()
if self.conf.build_args:
buildargs = dict(self.conf.build_args)
proxy_vars = ('HTTP_PROXY', 'http_proxy', 'HTTPS_PROXY',
'https_proxy', 'FTP_PROXY', 'ftp_proxy',
'NO_PROXY', 'no_proxy')
for proxy_var in proxy_vars:
if proxy_var in os.environ and proxy_var not in buildargs:
buildargs[proxy_var] = os.environ.get(proxy_var)
if not buildargs:
return None
return buildargs
def builder(self, image):
def make_an_archive(items, arcname, item_child_path=None):
if not item_child_path:
item_child_path = arcname
archives = list()
items_path = os.path.join(image.path, item_child_path)
for item in items:
archive_path = self.process_source(image, item)
if image.status in STATUS_ERRORS:
raise ArchivingError
archives.append(archive_path)
if archives:
for archive in archives:
with tarfile.open(archive, 'r') as archive_tar:
archive_tar.extractall(path=items_path)
else:
try:
os.mkdir(items_path)
except OSError as e:
if e.errno == errno.EEXIST:
self.logger.info(
'Directory %s already exist. Skipping.',
items_path)
else:
self.logger.error('Failed to create directory %s: %s',
items_path, e)
image.status = Status.CONNECTION_ERROR
raise ArchivingError
arc_path = os.path.join(image.path, '%s-archive' % arcname)
with tarfile.open(arc_path, 'w') as tar:
tar.add(items_path, arcname=arcname)
return len(os.listdir(items_path))
self.logger.debug('Processing')
if image.status in [Status.SKIPPED, Status.UNBUILDABLE]:
self.logger.info('Skipping %s' % image.name)
return
if image.status == Status.UNMATCHED:
return
if (image.parent is not None and
image.parent.status in STATUS_ERRORS):
self.logger.error('Parent image error\'d with message "%s"',
image.parent.status)
image.status = Status.PARENT_ERROR
return
image.status = Status.BUILDING
image.start = datetime.datetime.now()
self.logger.info('Building started at %s' % image.start)
if image.source and 'source' in image.source:
self.process_source(image, image.source)
if image.status in STATUS_ERRORS:
return
if self.conf.install_type == 'source':
try:
plugins_am = make_an_archive(image.plugins, 'plugins')
except ArchivingError:
self.logger.error(
"Failed turning any plugins into a plugins archive")
return
else:
self.logger.debug(
"Turned %s plugins into plugins archive",
plugins_am)
try:
additions_am = make_an_archive(image.additions, 'additions')
except ArchivingError:
self.logger.error(
"Failed turning any additions into a additions archive")
return
else:
self.logger.debug(
"Turned %s additions into additions archive",
additions_am)
# Pull the latest image for the base distro only
pull = self.conf.pull if image.parent is None else False
buildargs = self.update_buildargs()
try:
for stream in self.dc.build(path=image.path,
tag=image.canonical_name,
nocache=not self.conf.cache,
rm=True,
decode=True,
network_mode=self.conf.network_mode,
pull=pull,
forcerm=self.forcerm,
buildargs=buildargs):
if 'stream' in stream:
for line in stream['stream'].split('\n'):
if line:
self.logger.info('%s', line)
if 'errorDetail' in stream:
image.status = Status.ERROR
self.logger.error('Error\'d with the following message')
for line in stream['errorDetail']['message'].split('\n'):
if line:
self.logger.error('%s', line)
return
if image.status != Status.ERROR and self.conf.squash:
self.squash()
except docker.errors.DockerException:
image.status = Status.ERROR
self.logger.exception('Unknown docker error when building')
except Exception:
image.status = Status.ERROR
self.logger.exception('Unknown error when building')
else:
image.status = Status.BUILT
now = datetime.datetime.now()
self.logger.info('Built at %s (took %s)' %
(now, now - image.start))
def squash(self):
image_tag = self.image.canonical_name
image_id = self.dc.inspect_image(image_tag)['Id']
parent_history = self.dc.history(self.image.parent_name)
parent_last_layer = parent_history[0]['Id']
self.logger.info('Parent lastest layer is: %s' % parent_last_layer)
utils.squash(image_id, image_tag, from_layer=parent_last_layer,
cleanup=self.conf.squash_cleanup,
tmp_dir=self.conf.squash_tmp_dir)
self.logger.info('Image is squashed successfully')
class WorkerThread(threading.Thread):
"""Thread that executes tasks until the queue provides a tombstone."""
#: Object to be put on worker queues to get them to die.
tombstone = object()
def __init__(self, conf, queue):
super(WorkerThread, self).__init__()
self.queue = queue
self.conf = conf
self.should_stop = False
def run(self):
while not self.should_stop:
task = self.queue.get()
if task is self.tombstone:
# Ensure any other threads also get the tombstone.
self.queue.put(task)
break
try:
for attempt in range(self.conf.retries + 1):
if self.should_stop:
break
LOG.info("Attempt number: %s to run task: %s ",
attempt + 1, task.name)
try:
task.run()
if task.success:
break
except Exception:
LOG.exception('Unhandled error when running %s',
task.name)
# try again...
task.reset()
if task.success and not self.should_stop:
for next_task in task.followups:
LOG.info('Added next task %s to queue',
next_task.name)
self.queue.put(next_task)
finally:
self.queue.task_done()
class KollaWorker(object):
def __init__(self, conf):
self.conf = conf
self.images_dir = self._get_images_dir()
self.registry = conf.registry
if self.registry:
self.namespace = self.registry + '/' + conf.namespace
else:
self.namespace = conf.namespace
self.base = conf.base
self.use_dumb_init = conf.use_dumb_init
self.base_tag = conf.base_tag
self.install_type = conf.install_type
self.tag = conf.tag
self.base_arch = conf.base_arch
self.debian_arch = self.base_arch
if self.base_arch == 'aarch64':
self.debian_arch = 'arm64'
elif self.base_arch == 'x86_64':
self.debian_arch = 'amd64'
elif self.base_arch == 'ppc64le':
self.debian_arch = 'ppc64el'
self.images = list()
self.openstack_release = conf.openstack_release
self.docker_healthchecks = conf.docker_healthchecks
rpm_setup_config = ([repo_file for repo_file in
conf.rpm_setup_config if repo_file is not None])
self.rpm_setup = self.build_rpm_setup(rpm_setup_config)
rh_base = ['centos', 'rhel']
rh_type = ['source', 'binary', 'rdo', 'rhos']
deb_base = ['ubuntu', 'debian']
deb_type = ['source', 'binary']
if self.base in rh_base:
self.conf.distro_python_version = "3.6"
elif self.base in ['debian']:
self.conf.distro_python_version = "3.9"
elif self.base in ['ubuntu']:
self.conf.distro_python_version = "3.8"
else:
# Assume worst
self.conf.distro_python_version = "3.6"
if self.conf.distro_package_manager is not None:
package_manager = self.conf.distro_package_manager
elif self.base in rh_base:
package_manager = 'dnf'
elif self.base in deb_base:
package_manager = 'apt'
self.distro_package_manager = package_manager
self.clean_package_cache = self.conf.clean_package_cache
# Determine base packaging type for use in Dockerfiles.
if self.conf.base_package_type:
self.base_package_type = self.conf.base_package_type
elif self.base in rh_base:
self.base_package_type = 'rpm'
elif self.base in deb_base:
self.base_package_type = 'deb'
if not ((self.base in rh_base and self.install_type in rh_type) or
(self.base in deb_base and self.install_type in deb_type)):
raise exception.KollaMismatchBaseTypeException(
'{} is unavailable for {}'.format(self.install_type, self.base)
)
if self.install_type == 'binary':
self.install_metatype = 'rdo'
elif self.install_type == 'source':
self.install_metatype = 'mixed'
elif self.install_type == 'rdo':
self.install_type = 'binary'
self.install_metatype = 'rdo'
elif self.install_type == 'rhos':
self.install_type = 'binary'
self.install_metatype = 'rhos'
else:
raise exception.KollaUnknownBuildTypeException(
'Unknown install type'
)
if (self.install_type == 'binary' and self.base == 'debian' and
self.base_arch != 'x86_64'):
LOG.info("Debian/binary target is available only for x86-64 "
"due to lack of packages for other architectures.")
sys.exit(1)
self.image_prefix = self.base + '-' + self.install_type + '-'
if self.conf.infra_rename:
self.infra_image_prefix = self.base + '-infra-'
else:
self.infra_image_prefix = self.image_prefix
self.regex = conf.regex
self.image_statuses_bad = dict()
self.image_statuses_good = dict()
self.image_statuses_unmatched = dict()
self.image_statuses_skipped = dict()
self.image_statuses_unbuildable = dict()
self.image_statuses_allowed_to_fail = dict()
self.maintainer = conf.maintainer
self.distro_python_version = conf.distro_python_version
docker_kwargs = docker.utils.kwargs_from_env()
try:
self.dc = docker.APIClient(version='auto', **docker_kwargs)
except docker.errors.DockerException as e:
self.dc = None
if not (conf.template_only or
conf.save_dependency or
conf.list_images or
conf.list_dependencies):
LOG.error("Unable to connect to Docker, exiting")
LOG.info("Exception caught: {0}".format(e))
sys.exit(1)
def _get_images_dir(self):
possible_paths = (
PROJECT_ROOT,
os.path.join(sys.prefix, 'share/kolla'),
os.path.join(sys.prefix, 'local/share/kolla'),
# NOTE(zioproto): When Kolla is used within a snap, the env var
# $SNAP is the directory where the snap is mounted.
# https://github.com/zioproto/snap-kolla
# More info in snap packages https://snapcraft.io
os.path.join(os.environ.get('SNAP', ''), 'share/kolla'))
for path in possible_paths:
image_path = os.path.join(path, 'docker')
# NOTE(SamYaple): We explicitly check for the base folder to ensure
# this is the correct path
# TODO(SamYaple): Improve this to make this safer
if os.path.exists(os.path.join(image_path, 'base')):
LOG.info('Found the docker image folder at %s', image_path)
return image_path
else:
raise exception.KollaDirNotFoundException('Image dir can not '
'be found')
def build_rpm_setup(self, rpm_setup_config):
"""Generates a list of docker commands based on provided configuration.
:param rpm_setup_config: A list of .rpm or .repo paths or URLs
(can be empty)
:return: A list of docker commands
"""
rpm_setup = list()
for config in rpm_setup_config:
if config.endswith('.rpm'):
# RPM files can be installed with dnf from file path or url
cmd = "RUN dnf -y install {}".format(config)
elif config.endswith('.repo'):
if config.startswith('http'):
# Curl http://url/etc.repo to /etc/yum.repos.d/etc.repo
name = config.split('/')[-1]
cmd = "RUN curl -L {} -o /etc/yum.repos.d/{}".format(
config, name)
else:
# Copy .repo file from filesystem
cmd = "COPY {} /etc/yum.repos.d/".format(config)
elif not config:
cmd = ''
else:
raise exception.KollaRpmSetupUnknownConfig(
'RPM setup must be provided as .rpm or .repo files.'
' Attempted configuration was {}'.format(config)
)
rpm_setup.append(cmd)
return rpm_setup
def copy_apt_files(self):
if self.conf.apt_sources_list:
shutil.copyfile(
self.conf.apt_sources_list,
os.path.join(self.working_dir, "base", "sources.list")
)
if self.conf.apt_preferences:
shutil.copyfile(
self.conf.apt_preferences,
os.path.join(self.working_dir, "base", "apt_preferences")
)
def copy_dir(self, src, dest):
if not os.path.isdir(dest):
shutil.copytree(src, dest)
else:
for file in os.listdir(src):
src_path = os.path.join(src, file)
dest_path = os.path.join(dest, file)
if os.path.isdir(src_path):
self.copy_dir(src_path, dest_path)
else:
shutil.copy2(src_path, dest_path)
def setup_working_dir(self):
"""Creates a working directory for use while building."""
if self.conf.work_dir:
self.working_dir = os.path.join(self.conf.work_dir, 'docker')
else:
ts = time.time()
ts = datetime.datetime.fromtimestamp(ts).strftime(
'%Y-%m-%d_%H-%M-%S_')
self.temp_dir = tempfile.mkdtemp(prefix='kolla-' + ts)
self.working_dir = os.path.join(self.temp_dir, 'docker')
self.copy_dir(self.images_dir, self.working_dir)
for dir in self.conf.docker_dir:
self.copy_dir(dir, self.working_dir)
self.copy_apt_files()
LOG.debug('Created working dir: %s', self.working_dir)
def set_time(self):
for root, dirs, files in os.walk(self.working_dir):
for file_ in files:
os.utime(os.path.join(root, file_), (0, 0))
for dir_ in dirs:
os.utime(os.path.join(root, dir_), (0, 0))
LOG.debug('Set atime and mtime to 0 for all content in working dir')
def _get_filters(self):
filters = {
'customizable': jinja_filters.customizable,
}
return filters
def _get_methods(self):
"""Mapping of available Jinja methods.
return a dictionary that maps available function names and their
corresponding python methods to make them available in jinja templates
"""
return {
'debian_package_install': jinja_methods.debian_package_install,
'handle_repos': jinja_methods.handle_repos,
}
def get_users(self):
all_sections = (set(self.conf._groups.keys()) |
set(self.conf.list_all_sections()))
ret = dict()
for section in all_sections:
match = re.search('^.*-user$', section)
if match:
user = self.conf[match.group(0)]
ret[match.group(0)[:-5]] = {
'uid': user.uid,
'gid': user.gid,
}
return ret
def create_dockerfiles(self):
kolla_version = version.version_info.cached_version_string()
supported_distro_name = common_config.DISTRO_PRETTY_NAME.get(
self.base)
for path in self.docker_build_paths:
template_name = "Dockerfile.j2"
image_name = path.split("/")[-1]
ts = time.time()
build_date = datetime.datetime.fromtimestamp(ts).strftime(
'%Y%m%d')
values = {'base_distro': self.base,
'base_image': self.conf.base_image,
'base_distro_tag': self.base_tag,
'base_arch': self.base_arch,
'use_dumb_init': self.use_dumb_init,
'base_package_type': self.base_package_type,
'debian_arch': self.debian_arch,
'docker_healthchecks': self.docker_healthchecks,
'supported_distro_name': supported_distro_name,
'install_metatype': self.install_metatype,
'image_prefix': self.image_prefix,
'infra_image_prefix': self.infra_image_prefix,
'install_type': self.install_type,
'namespace': self.namespace,
'openstack_release': self.openstack_release,
'tag': self.tag,
'maintainer': self.maintainer,
'kolla_version': kolla_version,
'image_name': image_name,
'users': self.get_users(),
'distro_python_version': self.distro_python_version,
'distro_package_manager': self.distro_package_manager,
'rpm_setup': self.rpm_setup,
'build_date': build_date,
'clean_package_cache': self.clean_package_cache}
env = jinja2.Environment( # nosec: not used to render HTML
loader=jinja2.FileSystemLoader(self.working_dir))
env.filters.update(self._get_filters())
env.globals.update(self._get_methods())
tpl_path = os.path.join(
os.path.relpath(path, self.working_dir),
template_name)
template = env.get_template(tpl_path)
if self.conf.template_override:
tpl_dict = self._merge_overrides(self.conf.template_override)
template_name = os.path.basename(list(tpl_dict.keys())[0])
values['parent_template'] = template
env = jinja2.Environment( # nosec: not used to render HTML
loader=jinja2.DictLoader(tpl_dict))
env.filters.update(self._get_filters())
env.globals.update(self._get_methods())
template = env.get_template(template_name)
content = template.render(values, env=os.environ)
content_path = os.path.join(path, 'Dockerfile')
with open(content_path, 'w') as f:
LOG.debug("Rendered %s into:", tpl_path)
LOG.debug(content)
f.write(content)
LOG.debug("Wrote it to %s", content_path)
def _merge_overrides(self, overrides):
tpl_name = os.path.basename(overrides[0])
with open(overrides[0], 'r') as f:
tpl_content = f.read()
for override in overrides[1:]:
with open(override, 'r') as f:
cont = f.read()
# Remove extends header
cont = re.sub(r'.*\{\%.*extends.*\n', '', cont)
tpl_content += cont
return {tpl_name: tpl_content}
def find_dockerfiles(self):
"""Recursive search for Dockerfiles in the working directory."""
self.docker_build_paths = list()
path = self.working_dir
filename = 'Dockerfile.j2'
for root, dirs, names in os.walk(path):
if filename in names:
self.docker_build_paths.append(root)
LOG.debug('Found %s', root.split(self.working_dir)[1])
LOG.debug('Found %d Dockerfiles', len(self.docker_build_paths))
def cleanup(self):
"""Remove temp files."""
if not self.conf.work_dir:
shutil.rmtree(self.temp_dir)
def change_install_type(self, image, old_type, new_type):
# NOTE(hrw): /self.base to make sure that we do not break image name
image.canonical_name = image.canonical_name.replace(
f'/{self.base}-{old_type}-',
f'/{self.base}-{new_type}-')
if image.children:
for tmp_image in image.children:
tmp_image.parent_name = image.canonical_name
def filter_images(self):
"""Filter which images to build."""
filter_ = list()
if self.regex:
filter_ += self.regex
elif self.conf.profile:
for profile in self.conf.profile:
if profile not in self.conf.profiles:
self.conf.register_opt(cfg.ListOpt(profile,
default=[]),
'profiles')
if len(self.conf.profiles[profile]) == 0:
msg = 'Profile: {} does not exist'.format(profile)
raise ValueError(msg)
else:
filter_ += self.conf.profiles[profile]
# mark unbuildable images and their children
base = self.base
tag_element = r'(%s|%s|%s)' % (base,
self.install_type,
self.base_arch)
tag_re = re.compile(r'^%s(\+%s)*$' % (tag_element, tag_element))
unbuildable_images = set()
if not self.conf.enable_unbuildable:
for set_tag in UNBUILDABLE_IMAGES:
if tag_re.match(set_tag):
unbuildable_images.update(UNBUILDABLE_IMAGES[set_tag])
if unbuildable_images:
for image in self.images:
if image.name in unbuildable_images:
image.status = Status.UNBUILDABLE
else:
# let's check ancestors
# if any of them is unbuildable then we mark it
# and then mark image
build_image = True
ancestor_image = image
while (ancestor_image.parent is not None):
ancestor_image = ancestor_image.parent
if ancestor_image.name in unbuildable_images or \
ancestor_image.status == Status.UNBUILDABLE:
build_image = False
ancestor_image.status = Status.UNBUILDABLE
break
if not build_image:
image.status = Status.UNBUILDABLE
# When we want to build a subset of images then filter_ part kicks in.
# Otherwise we just mark everything buildable as matched for build.
# First, determine which buildable images match.
if filter_:
patterns = re.compile(r"|".join(filter_).join('()'))
for image in self.images:
# as we now list not buildable/skipped images we need to
# process them otherwise list will contain also not requested
# entries
if image.status in (Status.MATCHED, Status.UNBUILDABLE):
continue
if re.search(patterns, image.name):
image.status = Status.MATCHED
ancestor_image = image
while (ancestor_image.parent is not None and
ancestor_image.parent.status != Status.MATCHED):
ancestor_image = ancestor_image.parent
# Parents of a buildable image must also be buildable.
ancestor_image.status = Status.MATCHED
LOG.debug('Image %s matched regex', image.name)
else:
image.status = Status.UNMATCHED
else:
for image in self.images:
if image.status != Status.UNBUILDABLE:
image.status = Status.MATCHED
if self.conf.infra_rename:
for image in self.images:
is_infra = True
if image.name in BINARY_SOURCE_IMAGES:
# keep as is
is_infra = False
else:
# let's check ancestors if any of them is binary/source
ancestor_image = image
while (ancestor_image.parent is not None):
ancestor_image = ancestor_image.parent
if ancestor_image.name in BINARY_SOURCE_IMAGES:
is_infra = False
break
if is_infra:
self.change_install_type(image, self.install_type, 'infra')
pass
# Next, mark any skipped images.
for image in self.images:
if image.status != Status.MATCHED:
continue
# Skip image if --skip-existing was given and image exists.
if (self.conf.skip_existing and image.in_docker_cache()):
LOG.debug('Skipping existing image %s', image.name)
image.status = Status.SKIPPED
# Skip image if --skip-parents was given and image has children.
elif self.conf.skip_parents and image.children:
LOG.debug('Skipping parent image %s', image.name)
image.status = Status.SKIPPED
def summary(self):
"""Walk the dictionary of images statuses and print results."""
# For debug we print the logs again if the image error'd. This is to
# help us debug and it will be extra helpful in the gate.
for image in self.images:
if image.status in STATUS_ERRORS:
LOG.debug("Image %s failed", image.name)
self.get_image_statuses()
results = {
'built': [],
'failed': [],
'not_matched': [],
'skipped': [],
'unbuildable': [],
}
if self.image_statuses_good:
LOG.info("=========================")
LOG.info("Successfully built images")
LOG.info("=========================")
for name in sorted(self.image_statuses_good.keys()):
LOG.info(name)
results['built'].append({
'name': name,
})
if self.image_statuses_bad or self.image_statuses_allowed_to_fail:
LOG.info("===========================")
LOG.info("Images that failed to build")
LOG.info("===========================")
all_bad_statuses = self.image_statuses_bad.copy()
all_bad_statuses.update(self.image_statuses_allowed_to_fail)
for name, status in sorted(all_bad_statuses.items()):
if name in self.image_statuses_allowed_to_fail:
LOG.error('%s Failed with status: %s (allowed to fail)',
name, status.value)
else:
LOG.error('%s Failed with status: %s', name, status.value)
results['failed'].append({
'name': name,
'status': status.value,
})
if self.conf.logs_dir and status == Status.ERROR:
linkname = os.path.join(self.conf.logs_dir,
"000_FAILED_%s.log" % name)
try:
os.lstat(linkname)
os.remove(linkname)
except OSError:
pass
os.symlink("%s.log" % name, linkname)
if self.image_statuses_unmatched:
LOG.debug("=====================================")
LOG.debug("Images not matched for build by regex")
LOG.debug("=====================================")
for name in sorted(self.image_statuses_unmatched.keys()):
LOG.debug(name)
results['not_matched'].append({
'name': name,
})
if self.image_statuses_skipped:
LOG.info("===================================")
LOG.info("Images skipped due to build options")
LOG.info("===================================")
for name in sorted(self.image_statuses_skipped.keys()):
LOG.info(name)
results['skipped'].append({
'name': name,
})
if self.image_statuses_unbuildable:
LOG.info("=========================================")
LOG.info("Images not buildable due to build options")
LOG.info("=========================================")
for name in sorted(self.image_statuses_unbuildable.keys()):
LOG.info(name)
results['unbuildable'].append({
'name': name,
})
return results
def get_image_statuses(self):
if any([self.image_statuses_bad,
self.image_statuses_good,
self.image_statuses_unmatched,
self.image_statuses_skipped,
self.image_statuses_unbuildable,
self.image_statuses_allowed_to_fail]):
return (self.image_statuses_bad,
self.image_statuses_good,
self.image_statuses_unmatched,
self.image_statuses_skipped,
self.image_statuses_unbuildable,
self.image_statuses_allowed_to_fail)
for image in self.images:
if image.status == Status.BUILT:
self.image_statuses_good[image.name] = image.status
elif image.status == Status.UNMATCHED:
self.image_statuses_unmatched[image.name] = image.status
elif image.status == Status.SKIPPED:
self.image_statuses_skipped[image.name] = image.status
elif image.status == Status.UNBUILDABLE:
self.image_statuses_unbuildable[image.name] = image.status
else:
if image.name in self.conf.allowed_to_fail:
self.image_statuses_allowed_to_fail[
image.name] = image.status
else:
self.image_statuses_bad[image.name] = image.status
return (self.image_statuses_bad,
self.image_statuses_good,
self.image_statuses_unmatched,
self.image_statuses_skipped,
self.image_statuses_unbuildable,
self.image_statuses_allowed_to_fail)
def build_image_list(self):
def process_source_installation(image, section):
installation = dict()
# NOTE(jeffrey4l): source is not needed when the type is None
if self.conf._get('type', self.conf._get_group(section)) is None:
if image.parent_name is None:
LOG.debug('No source location found in section %s',
section)
else:
installation['type'] = self.conf[section]['type']
installation['source'] = self.conf[section]['location']
installation['name'] = section
if installation['type'] == 'git':
installation['reference'] = self.conf[section]['reference']
return installation
all_sections = (set(self.conf._groups.keys()) |
set(self.conf.list_all_sections()))
for path in self.docker_build_paths:
# Reading parent image name
with open(os.path.join(path, 'Dockerfile')) as f:
content = f.read()
image_name = os.path.basename(path)
canonical_name = (self.namespace + '/' + self.image_prefix +
image_name + ':' + self.tag)
parent_search_pattern = re.compile(r'^FROM.*$', re.MULTILINE)
match = re.search(parent_search_pattern, content)
if match:
parent_name = match.group(0).split(' ')[1]
else:
parent_name = ''
del match
image = Image(image_name, canonical_name, path,
parent_name=parent_name,
logger=utils.make_a_logger(self.conf, image_name),
docker_client=self.dc)
if self.install_type == 'source':
# NOTE(jeffrey4l): register the opts if the section didn't
# register in the kolla/common/config.py file
if image.name not in self.conf._groups:
self.conf.register_opts(common_config.get_source_opts(),
image.name)
image.source = process_source_installation(image, image.name)
for plugin in [match.group(0) for match in
(re.search('^{}-plugin-.+'.format(image.name),
section) for section in
all_sections) if match]:
try:
self.conf.register_opts(
common_config.get_source_opts(),
plugin
)
except cfg.DuplicateOptError:
LOG.debug('Plugin %s already registered in config',
plugin)
image.plugins.append(
process_source_installation(image, plugin))
for addition in [
match.group(0) for match in
(re.search('^{}-additions-.+'.format(image.name),
section) for section in all_sections) if match]:
try:
self.conf.register_opts(
common_config.get_source_opts(),
addition
)
except cfg.DuplicateOptError:
LOG.debug('Addition %s already registered in config',
addition)
image.additions.append(
process_source_installation(image, addition))
self.images.append(image)
def save_dependency(self, to_file):
try:
import graphviz
except ImportError:
LOG.error('"graphviz" is required for save dependency')
raise
dot = graphviz.Digraph(comment='Docker Images Dependency')
dot.body.extend(['rankdir=LR'])
for image in self.images:
if image.status not in [Status.MATCHED]:
continue
dot.node(image.name)
if image.parent is not None:
dot.edge(image.parent.name, image.name)
with open(to_file, 'w') as f:
f.write(dot.source)
def list_images(self):
for count, image in enumerate([
image for image in self.images if image.status == Status.MATCHED
]):
print(count + 1, ':', image.name)
def list_dependencies(self):
match = False
for image in self.images:
if image.status in [Status.MATCHED]:
match = True
if image.parent is None:
base = image
if not match:
print('Nothing matched!')
return
def list_children(images, ancestry):
children = next(iter(ancestry.values()))
for image in images:
if image.status not in [Status.MATCHED]:
continue
if not image.children:
children.append(image.name)
else:
newparent = {image.name: []}
children.append(newparent)
list_children(image.children, newparent)
ancestry = {base.name: []}
list_children(base.children, ancestry)
json.dump(ancestry, sys.stdout, indent=2)
def find_parents(self):
"""Associate all images with parents and children."""
sort_images = dict()
for image in self.images:
sort_images[image.canonical_name] = image
for parent_name, parent in sort_images.items():
for image in sort_images.values():
if (image.parent_name == parent_name or image.parent_name ==
parent_name.replace(self.install_type, 'infra')):
parent.children.append(image)
image.parent = parent
def build_queue(self, push_queue):
"""Organizes Queue list.
Return a list of Queues that have been organized into a hierarchy
based on dependencies
"""
build_queue = queue.Queue()
for image in self.images:
if image.status in (Status.UNMATCHED, Status.SKIPPED,
Status.UNBUILDABLE):
# Don't bother queuing up build tasks for things that
# were not matched in the first place... (not worth the
# effort to run them, if they won't be used anyway).
continue
# Build all root nodes, where a root is defined as having no parent
# or having a parent that is explicitly being skipped.
if image.parent is None or image.parent.status == Status.SKIPPED:
build_queue.put(BuildTask(self.conf, image, push_queue))
LOG.info('Added image %s to queue', image.name)
return build_queue
def run_build():
"""Build container images.
:return: A 6-tuple containing bad, good, unmatched, skipped,
unbuildable and allowed to fail container image status dicts,
or None if no images were built.
"""
conf = cfg.ConfigOpts()
common_config.parse(conf, sys.argv[1:], prog='kolla-build')
if conf.debug:
LOG.setLevel(logging.DEBUG)
if conf.squash:
squash_version = utils.get_docker_squash_version()
LOG.info('Image squash is enabled and "docker-squash" version is %s',
squash_version)
kolla = KollaWorker(conf)
kolla.setup_working_dir()
kolla.find_dockerfiles()
kolla.create_dockerfiles()
kolla.build_image_list()
kolla.find_parents()
kolla.filter_images()
if conf.template_only:
for image in kolla.images:
if image.status == Status.MATCHED:
continue
shutil.rmtree(image.path)
LOG.info('Dockerfiles are generated in %s', kolla.working_dir)
return
# We set the atime and mtime to 0 epoch to preserve allow the Docker cache
# to work like we want. A different size or hash will still force a rebuild
kolla.set_time()
if conf.save_dependency:
kolla.save_dependency(conf.save_dependency)
LOG.info('Docker images dependency are saved in %s',
conf.save_dependency)
return
if conf.list_images:
kolla.list_images()
return
if conf.list_dependencies:
kolla.list_dependencies()
return
push_queue = queue.Queue()
build_queue = kolla.build_queue(push_queue)
workers = []
with join_many(workers):
try:
for x in range(conf.threads):
worker = WorkerThread(conf, build_queue)
worker.setDaemon(True)
worker.start()
workers.append(worker)
for x in range(conf.push_threads):
worker = WorkerThread(conf, push_queue)
worker.setDaemon(True)
worker.start()
workers.append(worker)
# sleep until build_queue is empty
while build_queue.unfinished_tasks or push_queue.unfinished_tasks:
time.sleep(3)
# ensure all threads exited happily
push_queue.put(WorkerThread.tombstone)
build_queue.put(WorkerThread.tombstone)
except KeyboardInterrupt:
for w in workers:
w.should_stop = True
push_queue.put(WorkerThread.tombstone)
build_queue.put(WorkerThread.tombstone)
raise
if conf.summary:
results = kolla.summary()
if conf.format == 'json':
print(json.dumps(results))
kolla.cleanup()
return kolla.get_image_statuses()