62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# Copyright 2018 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log as logging
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from kuryr_kubernetes import clients
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from kuryr_kubernetes import constants as k_const
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from kuryr_kubernetes.controller.drivers import base as drivers
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from kuryr_kubernetes.handlers import k8s_base
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from kuryr_kubernetes import utils
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LOG = logging.getLogger(__name__)
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class NetworkPolicyHandler(k8s_base.ResourceEventHandler):
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"""NetworkPolicyHandler handles k8s Network Policies events"""
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OBJECT_KIND = k_const.K8S_OBJ_POLICY
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OBJECT_WATCH_PATH = k_const.K8S_API_POLICIES
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def __init__(self):
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super(NetworkPolicyHandler, self).__init__()
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self._drv_policy = drivers.NetworkPolicyDriver.get_instance()
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self.k8s = clients.get_kubernetes_client()
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def on_present(self, policy):
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LOG.debug("Created or updated: %s", policy)
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self._drv_policy.ensure_network_policy(policy)
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# Put finalizer in if it's not there already.
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self.k8s.add_finalizer(policy, k_const.NETWORKPOLICY_FINALIZER)
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def on_finalize(self, policy):
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LOG.debug("Finalizing policy %s", policy)
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if not self._drv_policy.release_network_policy(policy):
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# KNP was not found, so we need to finalize on our own.
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self.k8s.remove_finalizer(policy, k_const.NETWORKPOLICY_FINALIZER)
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def is_ready(self, quota):
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if not (utils.has_kuryr_crd(k_const.K8S_API_CRD_KURYRNETWORKPOLICIES)
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and self._check_quota(quota)):
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LOG.error("Marking NetworkPolicyHandler as not ready.")
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return False
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return True
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def _check_quota(self, quota):
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if utils.has_limit(quota.security_groups):
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return utils.is_available('security_groups', quota.security_groups)
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return True
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