kuryr-kubernetes/kuryr_kubernetes/controller/drivers/default_security_groups.py
Maysa Macedo 9deb322962 Update CRD when NP has namespaceSelectors
When a namespace is created, deleted or updated and
its labels matches the namespaceSelector of a NP,
the CRD and the respective sg must be updated.

Partially Implements: blueprint k8s-network-policies

Change-Id: I515de28647f5f06248555733c27dd4f5a56149ec
2019-01-08 20:22:02 +00:00

91 lines
3.5 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.
from oslo_config import cfg
from oslo_log import log as logging
from kuryr_kubernetes import config
from kuryr_kubernetes.controller.drivers import base
LOG = logging.getLogger(__name__)
class DefaultPodSecurityGroupsDriver(base.PodSecurityGroupsDriver):
"""Provides security groups for Pod based on a configuration option."""
def get_security_groups(self, pod, project_id):
sg_list = config.CONF.neutron_defaults.pod_security_groups
if not sg_list:
# NOTE(ivc): this option is only required for
# Default{Pod,Service}SecurityGroupsDriver and its subclasses,
# but it may be optional for other drivers (e.g. when each
# namespace has own set of security groups)
raise cfg.RequiredOptError('pod_security_groups',
cfg.OptGroup('neutron_defaults'))
return sg_list[:]
def create_namespace_sg(self, namespace, project_id, crd_spec):
LOG.debug("Security group driver does not create SGs for the "
"namespaces.")
return {}
def delete_sg(self, sg_id):
LOG.debug("Security group driver does not implement deleting "
"SGs.")
def create_sg_rules(self, pod):
LOG.debug("Security group driver does not create SG rules for "
"the pods.")
def delete_sg_rules(self, pod):
LOG.debug("Security group driver does not delete SG rules for "
"the pods.")
def update_sg_rules(self, pod):
LOG.debug("Security group driver does not update SG rules for "
"the pods.")
def delete_namespace_sg_rules(self, namespace):
LOG.debug("Security group driver does not delete SG rules for "
"namespace.")
def create_namespace_sg_rules(self, namespace):
LOG.debug("Security group driver does not create SG rules for "
"namespace.")
def update_namespace_sg_rules(self, namespace):
LOG.debug("Security group driver does not update SG rules for "
"namespace.")
class DefaultServiceSecurityGroupsDriver(base.ServiceSecurityGroupsDriver):
"""Provides security groups for Service based on a configuration option."""
def get_security_groups(self, service, project_id):
# NOTE(ivc): use the same option as DefaultPodSecurityGroupsDriver
sg_list = config.CONF.neutron_defaults.pod_security_groups
if not sg_list:
# NOTE(ivc): this option is only required for
# Default{Pod,Service}SecurityGroupsDriver and its subclasses,
# but it may be optional for other drivers (e.g. when each
# namespace has own set of security groups)
raise cfg.RequiredOptError('pod_security_groups',
cfg.OptGroup('neutron_defaults'))
return sg_list[:]