tripleo-common/tripleo_common/image/kolla_builder.py

142 lines
4.8 KiB
Python

# Copyright 2017 Red Hat, Inc.
#
# 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 jinja2
import logging
import os
import re
import subprocess
import sys
import yaml
from tripleo_common.image import base
CONTAINER_IMAGES_DEFAULTS = {
'namespace': 'docker.io/tripleoupstream',
'ceph_namespace': 'docker.io/ceph',
'ceph_image': 'daemon',
'ceph_tag': 'tag-stable-3.0-luminous-centos-7',
'name_prefix': 'centos-binary-',
'name_suffix': '',
'tag': 'latest',
'neutron_driver': None,
'logging': 'files'
}
class KollaImageBuilder(base.BaseImageManager):
"""Build images using kolla-build"""
logger = logging.getLogger(__name__ + '.KollaImageBuilder')
handler = logging.StreamHandler(sys.stdout)
@staticmethod
def imagename_to_regex(imagename):
if not imagename:
return
# remove any namespace from the start
imagename = imagename.split('/')[-1]
# remove any tag from the end
imagename = imagename.split(':')[0]
# remove supported base names from the start
imagename = re.sub(r'^(centos|rhel)-', '', imagename)
# remove install_type from the start
imagename = re.sub(r'^(binary|source|rdo|rhos)-', '', imagename)
# what results should be acceptable as a regex to build one image
return imagename
def container_images_template_inputs(self, **kwargs):
'''Build the template mapping from defaults and keyword arguments.
Defaults in CONTAINER_IMAGES_DEFAULTS are combined with keyword
argments to return a dict that can be used to render the container
images template. Any set values for name_prefix and name_suffix are
hyphenated appropriately.
'''
mapping = dict(kwargs)
for k, v in CONTAINER_IMAGES_DEFAULTS.items():
mapping.setdefault(k, v)
np = mapping['name_prefix']
if np and not np.endswith('-'):
mapping['name_prefix'] = np + '-'
ns = mapping['name_suffix']
if ns and not ns.startswith('-'):
mapping['name_suffix'] = '-' + ns
return mapping
def container_images_from_template(self, filter=None, **kwargs):
'''Build container_images data from container_images_template.
Any supplied keyword arguments are used for the substitution mapping to
transform the data in the config file container_images_template
section.
The resulting data resembles a config file which contains a valid
populated container_images section.
If a function is passed to the filter argument, this will be used to
modify the entry after substitution. If the filter function returns
None then the entry will not be added to the resulting list.
Defaults are applied so that when no arguments are provided.
'''
mapping = self.container_images_template_inputs(**kwargs)
result = []
if len(self.config_files) != 1:
raise ValueError('A single config file must be specified')
config_file = self.config_files[0]
with open(config_file) as cf:
template = jinja2.Template(cf.read())
rendered = template.render(mapping)
rendered_dict = yaml.safe_load(rendered)
for i in rendered_dict[self.CONTAINER_IMAGES_TEMPLATE]:
entry = dict(i)
if filter:
entry = filter(entry)
if entry is not None:
result.append(entry)
return result
def build_images(self, kolla_config_files=None):
cmd = ['kolla-build']
if kolla_config_files:
for f in kolla_config_files:
cmd.append('--config-file')
cmd.append(f)
container_images = self.load_config_files(self.CONTAINER_IMAGES) or []
container_images.sort(key=lambda i: i.get('imagename'))
for i in container_images:
image = self.imagename_to_regex(i.get('imagename'))
if image:
cmd.append(image)
self.logger.info('Running %s' % ' '.join(cmd))
env = os.environ.copy()
process = subprocess.Popen(cmd, env=env, stdout=subprocess.PIPE)
out, err = process.communicate()
if process.returncode != 0:
raise subprocess.CalledProcessError(process.returncode, cmd, err)
return out