kuryr-kubernetes/kuryr_kubernetes/cni/main.py
Michał Dulko 898abb4a75 Deprecate running kuryr-k8s without kuryr-daemon
This commit implements what was discussed on the PTG, i.e. deprecation
of running Kuryr-Kubernetes without kuryr-daemon services. This commit
includes changes in configuration defaults, sample local.conf files,
documentation, gates and a release note explaining the change.

Change-Id: I152c81797cb83237af4917a4487cb1f1918270aa
2018-03-14 15:44:16 +01:00

84 lines
2.7 KiB
Python

# Copyright (c) 2016 Mirantis, Inc.
# All Rights Reserved.
#
# 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 os
import signal
import sys
import os_vif
from oslo_config import cfg
from oslo_log import log as logging
from oslo_log import versionutils
from oslo_serialization import jsonutils
from kuryr_kubernetes.cni import api as cni_api
from kuryr_kubernetes.cni.plugins import k8s_cni
from kuryr_kubernetes.cni import utils
from kuryr_kubernetes import config
from kuryr_kubernetes import constants as k_const
from kuryr_kubernetes import objects as k_objects
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
_CNI_TIMEOUT = 180
def run():
# REVISIT(ivc): current CNI implementation provided by this package is
# experimental and its primary purpose is to enable development of other
# components (e.g. functional tests, service/LBaaSv2 support)
cni_conf = utils.CNIConfig(jsonutils.load(sys.stdin))
args = ['--config-file', cni_conf.kuryr_conf]
try:
if cni_conf.debug:
args.append('-d')
except AttributeError:
pass
config.init(args)
config.setup_logging()
# Initialize o.vo registry.
k_objects.register_locally_defined_vifs()
os_vif.initialize()
if CONF.cni_daemon.daemon_enabled:
runner = cni_api.CNIDaemonizedRunner()
else:
# TODO(dulek): Switch that to versionutils.deprecation_warning once
# bug 1754087 is fixed.
versionutils.report_deprecated_feature(
LOG,
'Deploying kuryr-kubernetes without kuryr-daemon service is '
'deprecated since Rocky release and may be removed in future '
'releases.')
runner = cni_api.CNIStandaloneRunner(k8s_cni.K8sCNIPlugin())
LOG.info("Using '%s' ", runner.__class__.__name__)
def _timeout(signum, frame):
runner._write_dict(sys.stdout, {
'msg': 'timeout',
'code': k_const.CNI_TIMEOUT_CODE,
})
LOG.debug('timed out')
sys.exit(1)
signal.signal(signal.SIGALRM, _timeout)
signal.alarm(_CNI_TIMEOUT)
status = runner.run(os.environ, cni_conf, sys.stdout)
LOG.debug("Exiting with status %s", status)
if status:
sys.exit(status)