python utility to manage a tripleo based cloud
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# Copyright 2019 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.
#
"""Plugin action implementation"""
import json
import logging
import os
import shutil
import sys
from cryptography import x509
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization
from jinja2 import Environment
from jinja2 import FileSystemLoader
from osc_lib.i18n import _
from oslo_config import cfg
from tripleo_common.image import kolla_builder
from tripleoclient.config.minion import load_global_config
from tripleoclient.config.minion import MinionConfig
from tripleoclient import constants
from tripleoclient import exceptions
from tripleoclient import utils
from tripleoclient.v1 import undercloud_preflight
# Provides mappings for some of the instack_env tags to minion heat
# params or minion.conf opts known here (as a fallback), needed to maintain
# feature parity with instack net config override templates.
# TODO(bogdando): all of the needed mappings should be wired-in, eventually
# NOTE(aschultz): this is used by the custom netconfig still, even though
# the minion config is new.
INSTACK_NETCONF_MAPPING = {
'LOCAL_INTERFACE': 'minion_local_interface',
'LOCAL_IP': 'minion_local_ip',
'LOCAL_MTU': 'UndercloudMinionLocalMtu',
'PUBLIC_INTERFACE_IP': 'minion_local_ip', # can't be 'CloudName'
'UNDERCLOUD_NAMESERVERS': 'minion_nameservers',
'SUBNETS_STATIC_ROUTES': 'ControlPlaneStaticRoutes',
}
PARAMETER_MAPPING = {
'minion_debug': 'Debug',
'minion_local_mtu': 'UndercloudMinionLocalMtu',
'container_healthcheck_disabled': 'ContainerHealthcheckDisabled',
'minion_local_interface': 'NeutronPublicInterface',
}
SUBNET_PARAMETER_MAPPING = {
'cidr': 'NetworkCidr',
'gateway': 'NetworkGateway',
'host_routes': 'HostRoutes'
}
THT_HOME = os.environ.get('THT_HOME',
"/usr/share/openstack-tripleo-heat-templates/")
USER_HOME = os.environ.get('HOME', '')
CONF = cfg.CONF
# When adding new options to the lists below, make sure to regenerate the
# sample config by running "tox -e genconfig" in the project root.
ci_defaults = kolla_builder.container_images_prepare_defaults()
config = MinionConfig()
# Routed subnets
_opts = config.get_opts()
load_global_config()
LOG = logging.getLogger(__name__ + ".minion_config")
def _get_jinja_env_source(f):
path, filename = os.path.split(f)
env = Environment(loader=FileSystemLoader(path))
src = env.loader.get_source(env, filename)[0]
return (env, src)
def _process_undercloud_output(templates_dir, output_file_path):
"""copy the undercloud output file to our work dir"""
output_file = os.path.join(constants.MINION_OUTPUT_DIR, output_file_path)
env_file = os.path.join(templates_dir, 'tripleo-undercloud-base.yaml')
if os.path.exists(output_file):
src_file = output_file
elif os.path.exists(output_file_path):
src_file = output_file_path
else:
raise exceptions.DeploymentError('Cannot locate undercloud output '
'file {}'.format(output_file_path))
try:
shutil.copy(os.path.abspath(src_file), env_file)
except Exception:
msg = _('Cannot copy undercloud output file %s into a '
'tempdir!') % src_file
LOG.error(msg)
raise exceptions.DeploymentError(msg)
return env_file
def _process_undercloud_passwords(src_file, dest_file):
try:
shutil.copy(os.path.abspath(src_file), dest_file)
except Exception:
msg = _('Cannot copy undercloud password file %(src)s to '
'%(dest)s') % {'src': src_file, 'dest': dest_file}
LOG.error(msg)
raise exceptions.DeploymentError(msg)
def prepare_minion_deploy(upgrade=False, no_validations=False,
verbose_level=1, yes=False,
force_stack_update=False, dry_run=False):
"""Prepare Minion deploy command based on minion.conf"""
env_data = {}
registry_overwrites = {}
deploy_args = []
# Fetch configuration and use its log file param to add logging to a file
utils.load_config(CONF, constants.MINION_CONF_PATH)
utils.configure_logging(LOG, verbose_level, CONF['minion_log_file'])
# NOTE(bogdando): the generated env files are stored another path then
# picked up later.
# NOTE(aschultz): We copy this into the tht root that we save because
# we move any user provided environment files into this root later.
if not CONF.get('output_dir'):
output_dir = os.path.join(constants.MINION_OUTPUT_DIR,
'tripleo-deploy',
'minion')
else:
output_dir = CONF['output_dir']
tempdir = os.path.join(os.path.abspath(output_dir),
'tripleo-config-generated-env-files')
utils.makedirs(tempdir)
env_data['PythonInterpreter'] = sys.executable
env_data['ContainerImagePrepareDebug'] = CONF['minion_debug']
for param_key, param_value in PARAMETER_MAPPING.items():
if param_key in CONF.keys():
env_data[param_value] = CONF[param_key]
# Parse the minion.conf options to include necessary args and
# yaml files for minion deploy command
if CONF.get('minion_enable_selinux'):
env_data['SELinuxMode'] = 'enforcing'
else:
env_data['SELinuxMode'] = 'permissive'
if CONF.get('minion_ntp_servers'):
env_data['NtpServer'] = CONF['minion_ntp_servers']
env_data['TimeZone'] = (CONF.get('minion_timezone') or
utils.get_local_timezone())
# TODO(aschultz): fix this logic, look it up out of undercloud-outputs.yaml
env_data['DockerInsecureRegistryAddress'] = [
'%s:8787' % CONF['minion_local_ip'].split('/')[0]]
env_data['DockerInsecureRegistryAddress'].extend(
CONF['container_insecure_registries'])
env_data['ContainerCli'] = CONF['container_cli']
if CONF.get('container_registry_mirror'):
env_data['DockerRegistryMirror'] = CONF['container_registry_mirror']
# This parameter the IP address used to bind the local container registry
env_data['LocalContainerRegistry'] = CONF['minion_local_ip'].split('/')[0]
if CONF.get('minion_local_ip'):
deploy_args.append('--local-ip=%s' % CONF['minion_local_ip'])
tht_templates = CONF.get('templates') or THT_HOME
deploy_args.append('--templates=%s' % tht_templates)
if CONF.get('roles_file'):
deploy_args.append('--roles-file=%s' % CONF['roles_file'])
networks_file = (CONF.get('networks_file') or
os.path.join(tht_templates,
constants.UNDERCLOUD_NETWORKS_FILE))
deploy_args.append('--networks-file=%s' % networks_file)
if yes:
deploy_args += ['-y']
# copy the undercloud output file into our working dir and include it
output_file = _process_undercloud_output(
tempdir, CONF['minion_undercloud_output_file'])
deploy_args += ['-e', output_file]
# copy undercloud password file (the configuration is minion_password_file
# to the place that triple deploy looks for it
# tripleo-<stack name>-passwords.yaml)
_process_undercloud_passwords(
CONF['minion_password_file'],
os.path.join(output_dir, 'tripleo-minion-passwords.yaml'))
if upgrade:
# TODO(aschultz): validate minion upgrade, should be the same as the
# undercloud one.
deploy_args += [
'--upgrade',
'-e', os.path.join(
tht_templates,
"environments/lifecycle/undercloud-upgrade-prepare.yaml")]
if not CONF.get('heat_native'):
deploy_args.append('--heat-native=False')
else:
deploy_args.append('--heat-native')
if CONF.get('heat_container_image'):
deploy_args.append('--heat-container-image=%s'
% CONF['heat_container_image'])
# These should be loaded first so we can override all the bits later
deploy_args += [
"-e", os.path.join(tht_templates,
'environments/undercloud/undercloud-minion.yaml'),
'-e', os.path.join(tht_templates, 'environments/use-dns-for-vips.yaml')
]
# If a container images file is used, copy it into the tempdir to make it
# later into other deployment artifacts and user-provided files.
_container_images_config(CONF, deploy_args, env_data, tempdir)
if CONF.get('enable_heat_engine'):
deploy_args += ['-e', os.path.join(
tht_templates, "environments/services/heat-engine.yaml")]
if CONF.get('enable_ironic_conductor'):
deploy_args += ['-e', os.path.join(
tht_templates, "environments/services/ironic-conductor.yaml")]
if CONF.get('minion_service_certificate'):
# We assume that the certificate is trusted
env_data['InternalTLSCAFile'] = ''
env_data.update(
_get_public_tls_parameters(
CONF.get('minion_service_certificate')))
u = CONF.get('deployment_user') or utils.get_deployment_user()
env_data['DeploymentUser'] = u
# TODO(cjeanner) drop that once using oslo.privsep
deploy_args += ['--deployment-user', u]
deploy_args += ['--output-dir=%s' % output_dir]
utils.makedirs(output_dir)
# TODO(aschultz): move this to a central class
if CONF.get('net_config_override'):
data_file = CONF['net_config_override']
if os.path.abspath(data_file) != data_file:
data_file = os.path.join(USER_HOME, data_file)
if not os.path.exists(data_file):
msg = _("Could not find net_config_override file '%s'") % data_file
LOG.error(msg)
raise RuntimeError(msg)
# NOTE(bogdando): Process templated net config override data:
# * get a list of used instack_env j2 tags (j2 vars, like {{foo}}),
# * fetch values for the tags from the known mappins,
# * raise, if there is unmatched tags left
# * render the template into a JSON dict
net_config_env, template_source = _get_jinja_env_source(data_file)
# Create rendering context from the known to be present mappings for
# identified instack_env tags to generated in env_data minion heat
# params. Fall back to config opts, when env_data misses a param.
context = {}
for tag in INSTACK_NETCONF_MAPPING.keys():
mapped_value = INSTACK_NETCONF_MAPPING[tag]
if mapped_value in env_data.keys() or mapped_value in CONF.keys():
try:
context[tag] = CONF[mapped_value]
except cfg.NoSuchOptError:
context[tag] = env_data.get(mapped_value)
# this returns a unicode string, convert it in into json
net_config_str = net_config_env.get_template(
os.path.split(data_file)[-1]).render(context).replace(
"'", '"').replace('&quot;', '"')
try:
net_config_json = json.loads(net_config_str)
except ValueError:
net_config_json = json.loads("{%s}" % net_config_str)
if 'network_config' not in net_config_json:
msg = ('Unsupported data format in net_config_override '
'file %s: %s' % (data_file, net_config_str))
LOG.error(msg)
raise exceptions.DeploymentError(msg)
env_data['UndercloudNetConfigOverride'] = net_config_json
params_file = os.path.join(tempdir, 'minion_parameters.yaml')
utils.write_env_file(env_data, params_file, registry_overwrites)
deploy_args += ['-e', params_file]
if CONF.get('hieradata_override'):
data_file = CONF['hieradata_override']
if os.path.abspath(data_file) != data_file:
data_file = os.path.join(USER_HOME, data_file)
if not os.path.exists(data_file):
msg = _("Could not find hieradata_override file '%s'") % data_file
LOG.error(msg)
raise RuntimeError(msg)
deploy_args += ['--hieradata-override=%s' % data_file]
if CONF.get('minion_hostname'):
utils.set_hostname(CONF.get('minion_hostname'))
if CONF.get('minion_enable_validations') and not no_validations:
undercloud_preflight.minion_check(verbose_level, upgrade)
if CONF.get('custom_env_files'):
for custom_file in CONF['custom_env_files']:
deploy_args += ['-e', custom_file]
if verbose_level > 1:
deploy_args.append('--debug')
deploy_args.append('--log-file=%s' % CONF['minion_log_file'])
# Always add a drop-in for the ephemeral minion heat stack
# virtual state tracking (the actual file will be created later)
stack_vstate_dropin = os.path.join(
tht_templates, 'minion-stack-vstate-dropin.yaml')
deploy_args += ["-e", stack_vstate_dropin]
if force_stack_update:
deploy_args += ["--force-stack-update"]
roles_file = os.path.join(tht_templates, constants.MINION_ROLES_FILE)
cmd = ["sudo", "--preserve-env", "openstack", "tripleo", "deploy",
"--standalone-role", "UndercloudMinion", "--stack",
"minion", "-r", roles_file]
cmd += deploy_args[:]
# In dry-run, also report the expected heat stack virtual state/action
if dry_run:
stack_update_mark = os.path.join(
constants.STANDALONE_EPHEMERAL_STACK_VSTATE,
'update_mark_minion')
if os.path.isfile(stack_update_mark) or force_stack_update:
LOG.warning(_('The heat stack minion virtual state/action '
' would be UPDATE'))
return cmd
def _get_public_tls_parameters(service_certificate_path):
with open(service_certificate_path, "rb") as pem_file:
pem_data = pem_file.read()
cert = x509.load_pem_x509_certificate(pem_data, default_backend())
private_key = serialization.load_pem_private_key(
pem_data,
password=None,
backend=default_backend())
key_pem = private_key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.TraditionalOpenSSL,
encryption_algorithm=serialization.NoEncryption())
cert_pem = cert.public_bytes(serialization.Encoding.PEM)
return {
'SSLCertificate': cert_pem,
'SSLKey': key_pem
}
def _container_images_config(conf, deploy_args, env_data, tempdir):
if conf.container_images_file:
deploy_args += ['-e', conf.container_images_file]
try:
shutil.copy(os.path.abspath(conf.container_images_file), tempdir)
except Exception:
msg = _('Cannot copy a container images'
'file %s into a tempdir!') % conf.container_images_file
LOG.error(msg)
raise exceptions.DeploymentError(msg)
else:
# no images file was provided. Set a default ContainerImagePrepare
# parameter to trigger the preparation of the required container list
cip = kolla_builder.CONTAINER_IMAGE_PREPARE_PARAM
env_data['ContainerImagePrepare'] = cip